Lexington Weather

Lexington, Massachusetts, USA

80°F
7/13/2026 8:00pm 
  • Lexington Conditions: Clear
  • Temperature: 79.5°F / 26.4°CColder 1.1°F than last hour.
  • Dew Point: 65.8°FDecreased 2.0°Fsince last hour.
  • Relative Humidity: 63%Decreased 2.0% since last hour.
  • Wind: Calm, 10-min avg: Calm, gust: 3 mph
  • Barometer: 30.00 in Steady
  • Visibility: 10 miles
  • Rain Today: 0.00 in
  •   
Southeast Middlesex County, MA - Heat Advisory
 - SEE ALL NEARBY ALERTS -

Trends / Extremes

Outlook Drive

Trends as of Jul 13, 2026 at 8:00pm

TEMP/DEW POINT
°F

Current:  79.5  /  65.8
5 min ago:  79.5  /  65.8
10 min ago:  79.7  /  66.0
15 min ago:  79.9  /  66.2
30 min ago:  80.1  /  65.8
1 hr ago:  80.6  /  67.8

WIND
mph

Current:  Calm  
5 min ago:  Calm  
10 min ago:  Calm  
15 min ago:  Calm  
30 min ago:  Calm  
1 hr ago:  Calm  

PRESSURE
in

Current:  30.00
5 min ago:  30.00
10 min ago:  30.00
15 min ago:  30.00
30 min ago:  29.99
1 hr ago:  30.00

RAIN RATE
in/hr

Current:  0.00
5 min ago:  0.00
10 min ago:  0.00
15 min ago:  0.00
30 min ago:  0.00
1 hr ago:  0.00

Extremes

HIGH TEMPS

Last Hour1:  79.5°F at 8:00pm
Today:  84.6°F at 3:19pm
Sunday:  81.7°F at 1:25pm
July:  96.3°F on Jul 2
2026:  96.3°F on Jul 2
All-Time2:  98.2°F on Jul 24, 2022

LOW TEMPS

Last Hour1:  79.5°F at 8:00pm
Today:  63.7°F at 6:11am
Sunday:  61.5°F at 6:30am
July:  60.1°F on Jul 8
2026:  1.0°F on Jan 31
All-Time2:  -10.7°F on Feb 14, 2016

HIGH DEW POINTS

Last Hour1:  65.8°F at 8:00pm
Today:  70.2°F at 2:53pm
Sunday:  62.6°F at 12:46pm
July:  77.2°F on Jul 1
2026:  78.1°F on Jun 12
All-Time2 80.8°F on Jul 10, 2024

LOW DEW POINTS

Last Hour1:  65.8°F at 8:00pm
Today:  58.3°F at 5:09am
Sunday:  54.1°F at 7:14pm
July:  54.1°F on Jul 12
2026:  -12.6°F on Jan 24
All-Time2:  -28.1°F on Feb 4, 2023

BAROMETER HIGHS

Last Hour1:  -- in at
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Today:  30.15 in at 7:11am
Sunday:  30.15 in at 10:24pm
July:  30.15 in on Jul 12
2026:  30.64 in on Mar 2
All-Time2:  30.89 in on Dec 14, 2024

BAROMETER LOWS

Last Hour1:  -- in at
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Today:  29.99 in at 4:41pm
Sunday:  30.01 in at 12:20am
July:  29.65 in on Jul 10
2026:  29.21 in on Mar 17
All-Time2:  28.63 in on Feb 7, 2020

HIGH HEAT INDEX

Last Hour1:  N/A
Today:  88.7°F
Sunday:  82.5°F at 12:46pm
July:  109.1°F on Jul 2
2026:  109.1°F on Jul 2
All-Time2 112.7°F on Jun 23, 2025

LOW WIND CHILL

Last Hour1:  N/A
Today:  N/A
Sunday:  N/A
July:  N/A
2026:  -13.4°F on Feb 8
All-Time2:  -33.2°F on Feb 4, 2023

Rain and Wind

RAIN TOTALS3

Last 60 min:  0.00 in
Today:  0.00 in
Sunday:  0.00 in
July:  2.48 in
2026:  14.30 in
All-Time2:  474.91 in

WIND GUSTS 

Recent:  3 mph
Last Hour1:  None
Today:  15 mph at 1:32pm
Sunday:  4 mph at 4:32pm
July:  15 mph on Jul 13
2026:  37 mph on Mar 17
All-Time2:  41 mph on Dec 18, 2023

1From the top of the hour (08:00pm) until now

2Record keeping started on Jun 12, 2015

3Rain totals do not necessarily include melted frozen precipitation. More accurate precipitation information is recorded manually and reported to CoCoRaHS.