Lexington Weather

Lexington, Massachusetts, USA

78°F
8/26/2026 6:18pm 
  • Lexington Conditions: Partly cloudy
  • Temperature: 78.1°F / 25.6°CColder 0.3°F than last hour.
  • Dew Point: 64.9°FIncreased 1.0°Fsince last hour.
  • Relative Humidity: 64%Increased 3.0% since last hour.
  • Wind: Calm, 10-min avg: Calm, gust: None
  • Barometer: 29.96 in Steady
  • Visibility: 10 miles
  • Rain Today: 0.00 in
  •   

Trends / Extremes

Outlook Drive

Trends as of Aug 26, 2026 at 6:18pm

TEMP/DEW POINT
°F

Current:  78.1  /  64.9
5 min ago:  78.1  /  64.9
10 min ago:  78.1  /  64.4
15 min ago:  78.1  /  64.4
30 min ago:  78.1  /  63.5
1 hr ago:  78.4  /  63.9

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:  29.96
5 min ago:  29.96
10 min ago:  29.96
15 min ago:  29.96
30 min ago:  29.96
1 hr ago:  29.96

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:  78.3°F at 6:06pm
Today:  81.7°F at 2:44pm
Tuesday:  77.2°F at 2:39pm
August:  90.9°F on Aug 7
2026:  96.3°F on Jul 2
All-Time2:  98.2°F on Jul 24, 2022

LOW TEMPS

Last Hour1:  78.1°F at 6:00pm
Today:  61.0°F at 6:14am
Tuesday:  60.6°F at 6:50am
August:  57.9°F on Aug 16
2026:  1.0°F on Jan 31
All-Time2:  -10.7°F on Feb 14, 2016

HIGH DEW POINTS

Last Hour1:  65.1°F at 6:06pm
Today:  65.3°F at 1:20pm
Tuesday:  64.0°F at 11:53am
August:  79.0°F on Aug 6
2026:  79.0°F on Aug 6
All-Time2 80.8°F on Jul 10, 2024

LOW DEW POINTS

Last Hour1:  64.4°F at 6:00pm
Today:  57.9°F at 5:48am
Tuesday:  57.7°F at 6:50am
August:  52.3°F on Aug 16
2026:  -12.6°F on Jan 24
All-Time2:  -28.1°F on Feb 4, 2023

BAROMETER HIGHS

Last Hour1:  29.96 in at 6:03pm
Today:  30.01 in at 9:45am
Tuesday:  29.92 in at 11:53pm
August:  30.12 in on Aug 15
2026:  30.64 in on Mar 2
All-Time2:  30.89 in on Dec 14, 2024

BAROMETER LOWS

Last Hour1:  29.96 in at 6:00pm
Today:  29.92 in at 12:00am
Tuesday:  29.84 in at 4:45pm
August:  29.63 in on Aug 3
2026:  29.21 in on Mar 17
All-Time2:  28.63 in on Feb 7, 2020

HIGH HEAT INDEX

Last Hour1:  N/A
Today:  83.0°F
Tuesday:  N/A
August:  100.9°F on Aug 6
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
Tuesday:  N/A
August:  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
Tuesday:  0.00 in
August:  2.24 in
2026:  19.90 in
All-Time2:  480.51 in

WIND GUSTS 

Recent:  None
Last Hour1:  None
Today:  7 mph at 2:56pm
Tuesday:  8 mph at 11:20am
August:  18 mph on Aug 3
2026:  37 mph on Mar 17
All-Time2:  41 mph on Dec 18, 2023

1From the top of the hour (06:00pm) 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.