Central Square - Cambridge, Massachusetts
42° 21.82' N - 071° 06.48' W - 20 feet
Thursday January 15 15:15:00 2026

Monthly Summary: 
Yearly Summary: 

Today Week Month Year All
High Temperature: 54.1
12:58
54.1
Thursday
54.1
01/15/2026
54.1
01/15/2026
105.1
06/24/2025
°F
Low Temperature: 45.5
03:32
28.7
Monday
16.3
01/05/2026
16.3
01/05/2026
-9.1
02/04/2023
°F
High Humidity: 88
02:02
93
Sunday
93
01/07/2026
93
01/07/2026
100
05/17/2011
%
Low Humidity: 55
15:01
45
Tuesday
42
01/02/2026
42
01/02/2026
4
06/13/2023
%
High Dewpoint: 43.4
06:02
50.1
Friday
50.1
01/09/2026
50.1
01/09/2026
90.5
07/01/2009
°F
Low Dewpoint: 35.6
15:10
14.1
Monday
0.0
01/01/2026
0.0
01/01/2026
-28.2
02/04/2023
°F
High Barometer: 29.412
00:03
30.294
Friday
30.294
01/09/2026
30.294
01/09/2026
31.100
01/04/2015
inHg
Low Barometer: 29.228
13:57
29.228
Thursday
29.228
01/15/2026
29.228
01/15/2026
28.625
02/07/2020
inHg
High Heat Index: 52.0
12:58
52.4
Friday
52.4
01/09/2026
52.4
01/09/2026
119.6
06/20/2024
°F
Low Wind Chill: 39.9
08:44
17.4
Monday
1.5
01/01/2026
1.5
01/01/2026
-31.6
02/04/2023
°F
High Wind Speed: 17
06:49
24
Friday
24
01/01/2026
24
01/01/2026
88
04/13/2020
mph
Ave Wind Speed: 3 3 2 2 3 mph
High Rain Rate: 0.00
00:00
0.15
Saturday
0.36
01/07/2026
0.36
01/07/2026
655.35
04/23/2021
in/hr
Rain Total: 0.00
0.39
0.61 0.61 713.79 in
High UV Index: 2.1
10:40
2.6
Saturday
2.6
01/10/2026
2.6
01/10/2026
14.0
07/03/2013
High Solar Radiation: 439
10:39
520
Saturday
520
01/10/2026
520
01/10/2026
2483
07/25/2015
W/m²
High Particulate:
Matter (PM2.5):
20.935
10:47
26.045
Friday
50.235
01/06/2026
50.235
01/06/2026
5428.570
04/30/2023
µg/m³