Lexington Weather

Current Conditions [‒] Current Conditions [+]

62.2°F Colder than last hour.

16.8°C

Comfortable

Clear

Tonight: Lo 51 °F

Wednesday: Hi 77 °F

Dew Point: 41.7°F Increased 0.2°F since last hour .

Humidity: 47% Increased 3.0% since last hour.

Air Quality Index: 27

Good

(Fine Particles)

Barometer: 30.11 in S

1020 mb

Rain Rate: 0.00 in/hr

Rain Today: 0.00 in

Rain Monday: 0.00 in

Visibility: 10 miles

Wind:

Now: Calm

Avg: Calm

Gusts: 0 mph

OTHER PERSONAL WEATHER STATIONS

REGIONAL CONDITIONS

NWS Weather Forecast -
Tonight, Wednesday, & Wednesday Night through Tuesday

Issued by:
National Weather Service Boston / Norton, MA
Point Forecast Updated Tue Nov 3, 2026 7:14pm EST

Overview:

- Unseasonable warmth and dry weather continues Wednesday

- Wet and unsettled weather returns Thursday through the weekend with continued warmer temperatures to start before cooler temps arrive Sunday and beyond.

Tonight:

Mostly Cloudy

Lo 51 °F

Mostly cloudy, with a low around 51. Southwest wind around 6 mph.

Wednesday:

Mostly Sunny

Hi 77 °F

Mostly sunny. High near 77, with temperatures falling to around 67 in the afternoon. Southwest wind 5 to 10 mph.

Wednesday Night:

Partly Cloudy

Lo 55 °F

Partly cloudy, with a low around 55. Southwest wind around 8 mph.

Thursday:

Mostly Cloudy then Slight Chance Light Rain

Hi 75 °F

A slight chance of rain between 4pm and 5pm. Mostly cloudy, with a high near 75. Southwest wind 7 to 12 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.

Thursday Night:

Mostly Cloudy then Chance Light Rain

Lo 62 °F

A chance of rain after 1am. Mostly cloudy, with a low around 62. Southwest wind around 8 mph. Chance of precipitation is 50%.

Friday:

Rain

Hi 70 °F

Rain likely before 1pm, then rain and a slight chance of thunderstorms. Mostly cloudy, with a high near 70. South wind around 6 mph. Chance of precipitation is 80%.

Friday Night:

Rain

Lo 56 °F

Rain and a chance of thunderstorms. Cloudy, with a low around 56. East wind around 6 mph. Chance of precipitation is 80%.

Saturday:

Light Rain Likely

Hi 64 °F

Rain likely and a slight chance of thunderstorms. Mostly cloudy, with a high near 64. Northwest wind around 7 mph. Chance of precipitation is 70%.

Saturday Night:

Chance Light Rain

Lo 44 °F

A chance of rain. Mostly cloudy, with a low around 44. Northwest wind around 6 mph. Chance of precipitation is 50%.

Sunday:

Chance Light Rain then Mostly Sunny

Hi 60 °F

A chance of rain before noon. Mostly sunny, with a high near 60. West wind 5 to 8 mph. Chance of precipitation is 30%.

Sunday Night:

Partly Cloudy

Lo 38 °F

Partly cloudy, with a low around 38. West wind around 6 mph.

Monday:

Mostly Sunny then Slight Chance Light Rain

Hi 58 °F

A slight chance of rain after noon. Mostly sunny, with a high near 58. West wind 6 to 10 mph, with gusts as high as 21 mph.

Monday Night:

Slight Chance Light Rain

Lo 37 °F

A slight chance of rain before 1am. Partly cloudy, with a low around 37. West wind around 8 mph.

Tuesday:

Mostly Sunny

Hi 58 °F

Mostly sunny, with a high near 58. Southwest wind 8 to 12 mph, with gusts as high as 25 mph.

FULL FORECAST

NWS Hourly Forecast -
Tonight 11pm through Thu 10am

Issued by:
National Weather Service Boston / Norton, MA
Updated Tue Nov 3, 2026 7:14pm EST

11:00pm

Mostly Cloudy

55°F
Dew Pt 45°F
Wind from SW

SW 6 mph
Precip: 3%

Wed
12:00am

Mostly Cloudy

54°F
Dew Pt 45°F
Wind from SW

SW 6 mph
Precip: 3%

Wed
1:00am

Mostly Cloudy

54°F
Dew Pt 46°F
Wind from SW

SW 6 mph
Precip: 3%

Wed
2:00am

Partly Cloudy

53°F
Dew Pt 46°F
Wind from SW

SW 6 mph
Precip: 3%

Wed
3:00am

Partly Cloudy

53°F
Dew Pt 47°F
Wind from SW

SW 6 mph
Precip: 3%

Wed
4:00am

Partly Cloudy

52°F
Dew Pt 47°F
Wind from SW

SW 6 mph
Precip: 3%

Wed
5:00am

Partly Cloudy

52°F
Dew Pt 48°F
Wind from SW

SW 6 mph
Precip: 4%

Wed
6:00am

Mostly Sunny

51°F
Dew Pt 48°F
Wind from SW

SW 5 mph
Precip: 4%

Wed
7:00am

Sunny

52°F
Dew Pt 49°F
Wind from SW

SW 6 mph
Precip: 5%

Wed
8:00am

Sunny

56°F
Dew Pt 50°F
Wind from SW

SW 6 mph
Precip: 5%

Wed
9:00am

Mostly Sunny

61°F
Dew Pt 51°F
Wind from SW

SW 7 mph
Precip: 5%

Wed
10:00am

Mostly Sunny

67°F
Dew Pt 52°F
Wind from SW

SW 7 mph
Precip: 5%

Wed
11:00am

Mostly Sunny

70°F
Dew Pt 52°F
Wind from SW

SW 8 mph
Precip: 5%

Wed
12:00pm

Mostly Sunny

74°F
Dew Pt 52°F
Wind from SW

SW 9 mph
Precip: 4%

Wed
1:00pm

Mostly Sunny

75°F
Dew Pt 52°F
Wind from SW

SW 10 mph
Precip: 4%

Wed
2:00pm

Mostly Sunny

75°F
Dew Pt 52°F
Wind from SW

SW 9 mph
Precip: 4%

Wed
3:00pm

Mostly Sunny

75°F
Dew Pt 52°F
Wind from SW

SW 9 mph
Precip: 3%

Wed
4:00pm

Mostly Sunny

71°F
Dew Pt 52°F
Wind from SW

SW 8 mph
Precip: 3%

Wed
5:00pm

Sunny

67°F
Dew Pt 52°F
Wind from SW

SW 7 mph
Precip: 3%

Wed
6:00pm

Mostly Clear

64°F
Dew Pt 53°F
Wind from SW

SW 8 mph
Precip: 3%

Wed
7:00pm

Mostly Clear

62°F
Dew Pt 53°F
Wind from SW

SW 8 mph
Precip: 0%

Wed
8:00pm

Mostly Clear

60°F
Dew Pt 53°F
Wind from SW

SW 8 mph
Precip: 0%

Wed
9:00pm

Mostly Clear

59°F
Dew Pt 53°F
Wind from SW

SW 7 mph
Precip: 0%

Wed
10:00pm

Mostly Clear

58°F
Dew Pt 53°F
Wind from SW

SW 7 mph
Precip: 0%

Wed
11:00pm

Mostly Clear

58°F
Dew Pt 53°F
Wind from SW

SW 7 mph
Precip: 0%

Thu
12:00am

Partly Cloudy

56°F
Dew Pt 54°F
Wind from SW

SW 7 mph
Precip: 0%

Thu
1:00am

Partly Cloudy

56°F
Dew Pt 54°F
Wind from SW

SW 6 mph
Precip: 0%

Thu
2:00am

Partly Cloudy

55°F
Dew Pt 54°F
Wind from SW

SW 6 mph
Precip: 0%

Thu
3:00am

Partly Cloudy

55°F
Dew Pt 54°F
Wind from SW

SW 6 mph
Precip: 0%

Thu
4:00am

Partly Cloudy

55°F
Dew Pt 54°F
Wind from SW

SW 7 mph
Precip: 0%

Thu
5:00am

Mostly Cloudy

55°F
Dew Pt 55°F
Wind from SW

SW 7 mph
Precip: 0%

Thu
6:00am

Partly Sunny

54°F
Dew Pt 54°F
Wind from SW

SW 7 mph
Precip: 0%

Thu
7:00am

Partly Sunny

55°F
Dew Pt 55°F
Wind from SW

SW 7 mph
Precip: 1%

Thu
8:00am

Partly Sunny

58°F
Dew Pt 58°F
Wind from SW

SW 8 mph
Precip: 1%

Thu
9:00am

Partly Sunny

62°F
Dew Pt 60°F
Wind from SW

SW 9 mph
Precip: 2%

Thu
10:00am

Partly Sunny

68°F
Dew Pt 61°F
Wind from SW

SW 9 mph
Precip: 3%

VIEW ON NWS WEB SITE

FORECAST DISCUSSION

Area Forecast Discussion
for Boston / Norton, MA

        
000
FXUS61 KBOX 032324
AFDBOX

Area Forecast Discussion
National Weather Service Boston/Norton MA
624 PM EST Tue Nov 3 2026

.WHAT HAS CHANGED...
No significant changes to the forecast since the last update.

&&

.KEY MESSAGES...

- Unseasonable warmth and dry weather continues Wednesday

- Wet and unsettled weather returns Thursday through the 
  weekend with continued warmer temperatures to start before 
  cooler temps arrive Sunday and beyond.

&&

.DISCUSSION...
KEY MESSAGE 1...Unseasonable warmth and dry weather continue 
Wednesday

Mid-level ridging and surface high pressure continue to dominate the 
pattern through early Thursday. A thermal ridge with 925mb 
temperatures +14 to +17C positions across southern New England.
Mainly sunny skies, fairly dry soils, and SW flow will typically 
support better mixing than most guidance anticipates. This will 
likely favor temperatures warmer than what model guidance projects. 
High temperatures Wednesday are likely to be in the upper 60s to low 
70s range, with mid 70s possible in the valleys. Can't rule out 
temperatures overperforming reaching the upper 70s. NBM 
probabilities show low to moderate probabilities (20-50%) for 
greater than 75 degrees in portions of the CT Valley and Boston 
Metro. If this does happen, records have potential to be met or 
broken. Record at BOS is 78, PVD 77, ORH 74, BDL 78. 

A warm day will be followed by a warm night. Overnight temperatures 
fall into the 50s which is about average for our high temperatures 
this time of year. Some locations may have a shot at 
meeting/breaking the high min record. 

KEY MESSAGE 2...Wet and unsettled weather returns Thursday 
through the weekend with continued warmer temperatures to start 
before cooler temps arrive Sunday and beyond.

Ensemble guidance continues to herald the end of our highly 
anomalous stretch of dry weather by Thursday, kicking off a period 
of 36-48 hours of periodic rainfall, sometimes heavy. This comes 
courtesy of a few things; first is an approaching front extending 
from a trough of low pressure crossing the Great Lakes. After moving 
through NY the front stalls draped across New England from SW to NE 
late Thursday. This brings the initial round of rain chances for 
Thursday, mainly for western areas of SNE while much of the region 
southeast of a BDL-ORH line may stay dry. A better shot of 
widespread and heavier rainfall then arrives for Friday into early 
Saturday as a secondary wave of low pressure forms along the front. 
It deepens as it lifts north in the vicinity of Cape Cod Saturday 
and then even moreso over the Gulf of Maine on Sunday by which time 
we'll be on the drier side. 

There will be a lot of moisture for this system to work with as 
persistent moist SW flow ahead of the upper trough pulls in PWATs 
over 1.5" and dewpoints into the low 60s! This will lead to very 
warm low temps Friday morning (in the low 60s) but more importantly, 
fuel for the good dynamics to work with. Those elevated dewpoints 
will make for some instability allowing for some convection to 
contribute to localized downpours, while convergence around the low 
and placement beneath the RRQ of a 105kt upper jet will provide more 
lift in the meso/synoptic scale. Exact placement of the swath of 
heaviest rainfall will unfortunately not be nailed down until we get 
closer to the event as it will be determined by where exactly the 
front stalls. Generally ensemble guidance is calling for a 1-3" 
rainfall with EPS and GEFS calling for a 50-60% and 30-40% chance of 
AOA 1" of rainfall respectively, centered over central and eastern 
SNE. Fortunately, we've been very dry and Flash Flood Guidance is 
high. Thus, not expecting flash flooding to be an issue though some 
poor drainage/urban flooding is possible especially given the leaves 
blocking drainage this time of year. 

Beyond Saturday we'll see some scattered showers continuing as the 
upper trough is slow to exit overhead; nothing like Friday/Saturday, 
though, as the atmospheric column begins to dry out going into next 
week. Behind the trough colder NW flow ushers in a colder (closer to 
normal) airmass for early next week as high temperatures return to 
the 50s.

&&

.AVIATION /00Z WEDNESDAY THROUGH SUNDAY/...
Forecaster Confidence Levels...

Low - less than 30 percent. 
Moderate - 30 to 60 percent. 
High - greater than 60 percent.

00z TAF Update:

Tonight...High confidence. 

VFR. Mid level ceilings possible later tonight. Low chance for 
development of a low stratus deck across the south coast and 
Cape/Islands 06-12Z. Not high enough confidence to include in 
TAFs at this time. Winds generally SW/SSW winds tonight at or 
below 10 kt.

Wednesday...High confidence.

VFR. SCT higher decks possible during the day. Areas of lower
FEW/SCT cloud decks can't be ruled out along the south 
coast/Cape terminals. Winds SSW/SW at 5-15 kts. Few gusts to
18-20 kts for ORH and coastal terminals in afternoon.

Wednesday Night...Moderate confidence.

Initially VFR, likely falling to MVFR and IFR after 06z due to
lower ceilings. Areas along could see reduced visbys to MVFR/IFR
levels earlier in the overnight period, but these could exit 
after 06z. S to SSW winds overnight at 5-10 kt, with some areas
in the higher elevations seeing occasional 18 kt gusts after 
06z.

KBOS Terminal...High confidence in TAF.

KBDL Terminal...High confidence in TAF.

Outlook /Thursday through Sunday/...

Thursday: Mainly VFR, with local IFR possible. Breezy. Chance
RA.

Thursday Night: Mainly VFR, with local IFR possible. Chance RA.

Friday: Mainly MVFR, with local IFR possible. RA, slight chance
TSRA.

Friday Night: MVFR/IFR conditions possible. RA, slight chance
TSRA.

Saturday through Saturday Night: VFR. Chance RA.

Sunday: VFR. Slight chance RA.

&&

.MARINE...
Forecaster Confidence Levels...

Low - less than 30 percent. 
Moderate - 30 to 60 percent. 
High - greater than 60 percent.

Through Wednesday Night...High confidence.

Surface high pressure stays positioned across southern New 
England through Thursday. This will favor seas 1-3 ft and winds 
less than 25 kts out of the SW. Winds become breezy by Wednesday
afternoon with 20 kt gusts. A few gusts up to 20-25 kts are 
possible with the greatest chance for the SE coastal waters near
the Cape/Islands. Gusts likely aren't consistent enough 25kt+ 
over a period to warrant SCAs at this time.

Outlook /Thursday through Sunday/...

Thursday: Winds less than 25 kt. 

Thursday Night: Winds less than 25 kt. Seas locally approaching
5 ft. Chance of rain. 

Friday: Winds less than 25 kt. Areas of seas approaching 5 ft.
Rain, slight chance of thunderstorms. 

Friday Night: Winds less than 25 kt. Seas up to 5 ft. Rain,
slight chance of thunderstorms. Local visibility 1 to 3 nm.

Saturday: Winds less than 25 kt. Seas up to 5 ft. Rain, slight
chance of thunderstorms. 

Saturday Night: Winds less than 25 kt. Seas up to 5 ft. Chance
of rain. 

Sunday: Winds less than 25 kt. Seas up to 5 ft. Slight chance
of rain. 

&&

.CLIMATE...
Persistent unseasonable warmth over the next several day will
challenge calendar-day record highs and record high minimums
across southern New England climate sites.

Daily Record Highs to Watch:

Boston (BOS): Wednesday 78F (1987)|Thursday 79F (1994) 

Hartford/Bradley (BDL): Wednesday 78F (1987)|Thursday 75F (2022)

Providence (PVD): Wednesday 77F (1987)|Thursday 75F (1994)

Worcester (ORH): Wednesday 74F (1987)|Thursday 73F (1994)


Daily Record Lows to Watch:

Boston (BOS): Thursday 56F (1994)|Friday 57F (2020)

Hartford/Bradley (BDL): Thursday 55F (1994)|Friday 56F (2020)

Providence (PVD): Thursday 56F (1994)|Friday 58F (2020)

Worcester (ORH): Thursday 55F (1994)| 55F (2020)

&&

.BOX WATCHES/WARNINGS/ADVISORIES...
CT...None.
MA...None.
RI...None.
MARINE...None.

&&

$$

DISCUSSION...BW/Mensch
AVIATION...Hrencecin/Mensch
MARINE...BW/Mensch
CLIMATE...BW/Mensch

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