Central Square - Cambridge, Massachusetts
42° 21.82' N - 071° 06.48' W - 20 feet
Sunday March 15 08:35:00 2026

Monthly Summary: 
Yearly Summary: 

Today Week Month Year All
High Temperature: 35.6
00:00
78.9
Tuesday
78.9
03/10/2026
78.9
03/10/2026
105.1
06/24/2025
°F
Low Temperature: 32.6
04:37
30.6
Friday
14.1
03/02/2026
4.4
02/08/2026
-9.1
02/04/2023
°F
High Humidity: 65
04:45
93
Sunday
94
03/07/2026
94
03/07/2026
100
05/17/2011
%
Low Humidity: 59
00:00
20
Monday
20
03/09/2026
20
03/09/2026
4
06/13/2023
%
High Dewpoint: 23.2
01:19
58.0
Thursday
58.0
03/12/2026
58.0
03/12/2026
90.5
07/01/2009
°F
Low Dewpoint: 21.4
06:32
13.6
Friday
-6.6
03/02/2026
-14.8
01/24/2026
-28.2
02/04/2023
°F
High Barometer: 30.456
08:33
30.456
Sunday
30.648
03/02/2026
30.648
03/02/2026
31.100
01/04/2015
inHg
Low Barometer: 30.212
00:00
29.395
Thursday
29.395
03/12/2026
29.228
01/15/2026
28.625
02/07/2020
inHg
High Heat Index: 35.6
00:00
77.6
Tuesday
77.6
03/10/2026
77.6
03/10/2026
119.6
06/20/2024
°F
Low Wind Chill: 26.4
00:10
21.1
Friday
1.5
03/02/2026
-15.9
02/08/2026
-31.6
02/04/2023
°F
High Wind Speed: 14
00:10
23
Monday
23
03/09/2026
38
02/23/2026
88
04/13/2020
mph
Ave Wind Speed: 1 3 3 3 3 mph
High Rain Rate: 0.00
00:00
1.73
Thursday
655.35
03/02/2026
655.35
01/27/2026
655.35
04/23/2021
in/hr
Rain Total: 0.00
0.25
1.35 4.13 717.31 in
High UV Index: 1.5
08:14
5.4
Sunday
5.4
03/08/2026
5.4
03/08/2026
14.0
07/03/2013
High Solar Radiation: 111
08:26
795
Saturday
795
03/14/2026
795
03/14/2026
2483
07/25/2015
W/m²
High Particulate:
Matter (PM2.5):
4.755
07:19
32.670
Thursday
32.870
03/06/2026
137.470
02/25/2026
5428.570
04/30/2023
µg/m³