Central Square - Cambridge, Massachusetts
42° 21.82' N - 071° 06.48' W - 20 feet
Saturday May 23 12:35:00 2026

Monthly Summary: 
Yearly Summary: 

Today Week Month Year All
High Temperature: 65.0
12:22
101.1
Tuesday
101.1
05/19/2026
101.1
05/19/2026
105.1
06/24/2025
°F
Low Temperature: 53.5
05:19
48.5
Saturday
44.7
05/03/2026
4.4
02/08/2026
-9.1
02/04/2023
°F
High Humidity: 67
06:54
92
Saturday
93
05/15/2026
94
03/07/2026
100
05/17/2011
%
Low Humidity: 45
12:06
27
Saturday
23
05/04/2026
15
04/09/2026
4
06/13/2023
%
High Dewpoint: 44.1
11:51
73.6
Tuesday
73.6
05/19/2026
73.6
05/19/2026
90.5
07/01/2009
°F
Low Dewpoint: 36.3
00:03
31.3
Friday
25.5
05/03/2026
-14.8
01/24/2026
-28.2
02/04/2023
°F
High Barometer: 30.471
11:15
30.471
Saturday
30.471
05/23/2026
30.648
03/02/2026
31.100
01/04/2015
inHg
Low Barometer: 30.357
00:39
29.776
Wednesday
29.620
05/14/2026
29.219
03/17/2026
28.625
02/07/2020
inHg
High Heat Index: 63.4
12:22
106.5
Tuesday
106.5
05/19/2026
106.5
05/19/2026
119.6
06/20/2024
°F
Low Wind Chill: 53.5
05:19
47.4
Saturday
38.3
05/03/2026
-15.9
02/08/2026
-31.6
02/04/2023
°F
High Wind Speed: 13
10:06
19
Tuesday
29
05/05/2026
46
03/17/2026
88
04/13/2020
mph
Ave Wind Speed: 1 2 2 3 3 mph
High Rain Rate: 0.00
00:00
0.37
Tuesday
1.37
05/14/2026
655.35
01/27/2026
655.35
04/23/2021
in/hr
Rain Total: 0.00
0.38
1.72 9.77 722.95 in
High UV Index: 3.6
11:42
8.5
Thursday
8.5
05/21/2026
8.5
05/21/2026
14.0
07/03/2013
High Solar Radiation: 338
11:43
984
Wednesday
1134
05/12/2026
1134
05/12/2026
2483
07/25/2015
W/m²
High Particulate:
Matter (PM2.5):
6.440
07:02
47.605
Sunday
376.135
05/03/2026
376.135
05/03/2026
5428.570
04/30/2023
µg/m³