Lexington, Massachusetts, USA
63.0°F
17.2°C
Muggy
Overcast
Tonight: Lo 44 °F
Sunday: Hi 55 °F
Dew Point: 61.5°F
Humidity: 95%
Barometer:
mb
Rain Rate: 0.00 in/hr
Rain Today: 0.64 in
Rain Friday: 0.02 in
Visibility: 10 miles
Wind:
Now: 1 mph
Avg: 1 mph
Gusts: 7 mph
Issued by:
National Weather Service Boston / Norton, MA
Point Forecast Updated Sat Apr 26, 2025 7:20pm EDT
Lingering rain will move out of the region, and a cold front then ushers in a much cooler airmass tonight. Cloudy, cool, and blustery conditions on Sunday. High pressure returns with dry conditions for Monday and Tuesday, along with mild to warm temperatures. A cold front moves across the region on Wednesday with a few showers possible late Tuesday night into early Wednesday morning. Seasonable temperatures to end the week with the next chance for rain by Friday.
Showers And T-Storms
Lo 44 °F
Showers and thunderstorms before 1am. Mostly cloudy, with a low around 44. West wind 8 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New rainfall amounts less than a tenth of an inch possible.
Partly Sunny then Slight Chance Light Rain
Hi 55 °F
A slight chance of rain after 4pm. Partly sunny, with a high near 55. West wind 10 to 17 mph, with gusts as high as 32 mph. Chance of precipitation is 20%.
Slight Chance Light Rain then Partly Cloudy
Lo 48 °F
A slight chance of rain before 7pm. Partly cloudy, with a low around 48. Northwest wind 10 to 17 mph, with gusts as high as 33 mph. Chance of precipitation is 20%.
Sunny
Hi 72 °F
Sunny, with a high near 72. Northwest wind around 9 mph.
Mostly Clear
Lo 49 °F
Mostly clear, with a low around 49. West wind 2 to 6 mph.
Mostly Sunny
Hi 77 °F
Mostly sunny, with a high near 77. Southwest wind 3 to 13 mph.
Slight Chance Rain Showers
Lo 59 °F
A slight chance of rain showers between 10pm and 2am. Mostly cloudy, with a low around 59. Southwest wind around 12 mph, with gusts as high as 22 mph.
Mostly Sunny
Hi 74 °F
Mostly sunny, with a high near 74. West wind around 13 mph, with gusts as high as 23 mph.
Partly Cloudy
Lo 46 °F
Partly cloudy, with a low around 46. Northwest wind 6 to 10 mph.
Mostly Sunny
Hi 67 °F
Mostly sunny, with a high near 67. Southwest wind around 7 mph.
Mostly Cloudy then Chance Rain Showers
Lo 49 °F
A chance of rain showers after midnight. Mostly cloudy, with a low around 49. South wind around 7 mph. Chance of precipitation is 40%.
Rain Showers Likely
Hi 68 °F
Rain showers likely. Mostly cloudy, with a high near 68. South wind 5 to 10 mph. Chance of precipitation is 60%.
Rain Showers Likely
Lo 53 °F
Rain showers likely. Mostly cloudy, with a low around 53. Southwest wind around 9 mph. Chance of precipitation is 60%.
Chance Rain Showers
Hi 68 °F
A chance of rain showers. Partly sunny, with a high near 68. Southwest wind 7 to 10 mph. Chance of precipitation is 40%.
Issued by:
National Weather Service Boston / Norton, MA
Updated Sat Apr 26, 2025 7:20pm EDT
000 FXUS61 KBOX 261943 AFDBOX Area Forecast Discussion National Weather Service Boston/Norton MA 343 PM EDT Sat Apr 26 2025 .SYNOPSIS... Lingering rain will move out of the region, and a cold front then ushers in a much cooler airmass tonight. Cloudy, cool, and blustery conditions on Sunday. High pressure returns with dry conditions for Monday and Tuesday, along with mild to warm temperatures. A cold front moves across the region on Wednesday with a few showers possible late Tuesday night into early Wednesday morning. Seasonable temperatures to end the week with the next chance for rain by Friday. && .NEAR TERM /UNTIL 6 AM SUNDAY MORNING/... Key Messages: * Drying out with dropping temperatures and gusty winds with frontal passage tonight Any lingering rain will exit the region tonight around midnight and a cold front will progress through, which will also help clear some of today's cloud cover. Gusty west winds to around 25 knots will be possible. Drier conditions take hold as this cooler and drier airmass moves in; dewpoints expected to fall from the 50s and 60s down to the 30s and 40s, and PWATs decrease down to around 0.5". Lows tonight expected to be in the low 40s across the interior, with mid 40s for much of the coastal plain into the Cape and Islands. && .SHORT TERM /6 AM SUNDAY MORNING THROUGH SUNDAY NIGHT/... Key Messages: * Cool and blustery before winds diminish overnight Clouds return for Sunday due to the cyclonic flow aloft from a trough sitting over the region. Winds shift more NW as the day goes on. CAA will continue to promote the mixing of winds aloft down to the surface, fueling gusts to 35 kt in the highest elevations. Most guidance is indicating that the highest winds are possible in the afternoon to evening hours when the core of the 50-60 kt jet will be over much of southern New England as the trough continues to move east. However, the mixing of the strongest winds may be cut off as the jet decouples in the evening hours, so held off on any wind headlines for the time being. Clear conditions make a return Sunday night as high pressure begins to move in after the low exits. Highs Sunday are expected to be in the 50s, and lows Sunday night should be in the 40s. && .LONG TERM /MONDAY THROUGH SATURDAY/... Key Messages: * Much warmer with dry conditions Monday and Tuesday. A few showers are possible Tuesday night into Wednesday morning ahead of an approaching cold front. * Near seasonable temperatures Thursday and Friday. While Thursday is likely dry, rain chances return for Friday. High pressure moves off the Mid Atlantic coast early neat week, but extends far enough north into New England to maintain dry weather through Tuesday. Our region will also be on the warmer side of this high pressure with increasing southwest winds, especially Tuesday. A low pressure moving across eastern Canada should push its cold front across southern New England some time Tuesday night into Wednesday morning. This will mean a chance for showers during this time. High pressure briefly returns Thursday with dry weather, but this time its positioning will lead to lower temperatures. Another low pressure moving across eastern Canada should send another cold front our way late next week. Thus, there is a risk for more showers late next week into next weekend. && .AVIATION /20Z SATURDAY THROUGH THURSDAY/... Low - less than 30 percent. Moderate - 30 to 60 percent. High - greater than 60 percent. 18Z TAF Update: Rest of Today: Moderate confidence. Widespread MVFR/IFR in bands of steady moderate rain, most of which has started to move offshore. More rain and continued IFR conditions are moving through the region at this time, which is expected to continue through the rest of today. Possible SCT SHRA/TS near/west of ORH after 20z, although development and strength of any TS would depend on how quickly we see any breaks in OVC. If we do see any storms, they would likely be weakening as they move east of ORH. Occasional rumbles of thunder also possible south of the Cape. S/SW winds around 10-15 kt with occasional gusts up to upper 20-kt range. Tonight: High confidence. Improvement toward SCT-BKN VFR with cold frontal passage, though some MVFR bases may develop overnight in western airports. Winds become W/WNW around 10-15 kt with gusts 25 kt (up to 30 kt high terrain). Sunday through Sunday Night: High confidence. VFR. NW winds 10-15 kts. Gusts to 30-35 kt possible across the region during the afternoon/evening hours, dropping off overnight. KBOS TAF...Moderate confidence in timing. Scattered RA possible over the next few hours, ending around 02z. Cigs improving to borderline VFR levels overnight. Gusty winds continue through tonight with the cold frontal passage. KBDL TAF...Moderate confidence in TAF. Timing for lifting of cigs dependent on frontal passage. Improvement to MVFR possible around 21z, but may be later. Isolated TS could be possible this evening. Outlook /Monday through Thursday/... Monday: VFR. Breezy. Monday Night: VFR. Tuesday: VFR. Breezy. Tuesday Night: VFR. Breezy. Slight chance SHRA. Wednesday: VFR. Breezy. Wednesday Night through Thursday: VFR. && .MARINE... Forecaster Confidence Levels: Low - less than 30 percent. Medium - 30 to 60 percent. High - greater than 60 percent. Southerly flow continues to strengthen into the SCA range for the rest of today, with winds 25-30 kt and seas 4-7 ft. Rain and reduced visibilities expected until a sharp frontal passage this evening, bringing a windshift to W/NW around 15-25 kt. Sunday NW winds will gust 20 to 25 kts with seas of 3-6 ft. Small Craft Advisory conditions expected to continue through Sunday night across the eastern waters into Nantucket Sound and Cape Cod Bay, with wind gusts to 25 kt and higher possible. Seas Sunday night ranging from 4-6 ft. Outlook /Monday through Thursday/... Monday: Winds less than 25 kt. Areas of seas approaching 5 ft. Monday Night: Winds less than 25 kt. Tuesday: Low risk for Small Craft Advisory winds with gusts up to 25 kt. Seas locally approaching 5 ft. Tuesday Night: Moderate risk for Small Craft Advisory winds with gusts up to 25 kt. Seas up to 5 ft. Slight chance of rain showers. Wednesday: Winds less than 25 kt. Local rough seas. Wednesday Night: Winds less than 25 kt. Areas of seas approaching 5 ft. Thursday: Winds less than 25 kt. && .BOX WATCHES/WARNINGS/ADVISORIES... CT...None. MA...None. RI...None. MARINE...Small Craft Advisory until 7 AM EDT Monday for ANZ231-232-250- 254-255. Small Craft Advisory until 4 AM EDT Monday for ANZ233>237-256. && $$ SYNOPSIS...Belk/Hrencecin NEAR TERM...Hrencecin SHORT TERM...Hrencecin LONG TERM...Belk AVIATION...Belk/Hrencecin MARINE...Belk/Hrencecin/Mensch
Radar images courtesy Weather Underground / Intellicast.
UV Index forecast high for today: 4 Medium
Current (Estimated): 0 None
Note: Rain measured automatically by weather station. Rain totals do not necessarily include melted frozen precipitation.
For more accurate, manually measured rain data, see the Local Precip Data page.
0.00 in
Rain Rate (/hr):
0.00 in
Rain Last 60 min:
0.64 in
Rain Today:
0.02 in
Friday:
3.85 in
April:
11.39 in
2025
28.0 in
Season Snow:
3 snow days in April
3:41pm
63.3°F
High today:
7:44am
59.5°F
Low today:
2:48pm
76.5°F
High Friday:
4:25am
54.9°F
Low Friday:
3:41pm
61.9°F
High dew pt today:
11:59pm
55.9°F
High dew pt Friday:
9:42am
16 mph
Wind gust today:
3:01pm
6 mph
Wind gust Friday:
No alerts/warnings active for Southeast Middlesex County.
First Light:
5:16am
Sunrise:
5:46am
Sunset:
7:39pm
Twilight ends:
8:09pm
Daylight length:
13 hours 53 minutes
Phase:
Waning Crescent (1%)
Moon rise:
4:53am
Moon set:
6:34pm