Central Square - Cambridge, Massachusetts
42° 21.82' N - 071° 06.48' W - 20 feet
Sunday January 18 07:20:00 2026

Monthly Summary: 
Yearly Summary: 

Today Week Month Year All
High Temperature: 33.7
00:00
54.1
Thursday
54.1
01/15/2026
54.1
01/15/2026
105.1
06/24/2025
°F
Low Temperature: 31.7
03:24
19.2
Friday
16.3
01/05/2026
16.3
01/05/2026
-9.1
02/04/2023
°F
High Humidity: 87
04:15
93
Sunday
93
01/07/2026
93
01/07/2026
100
05/17/2011
%
Low Humidity: 84
00:00
30
Friday
30
01/16/2026
30
01/16/2026
4
06/13/2023
%
High Dewpoint: 29.4
00:00
43.4
Thursday
50.1
01/09/2026
50.1
01/09/2026
90.5
07/01/2009
°F
Low Dewpoint: 27.7
03:24
2.7
Friday
0.0
01/01/2026
0.0
01/01/2026
-28.2
02/04/2023
°F
High Barometer: 30.035
01:22
30.082
Saturday
30.294
01/09/2026
30.294
01/09/2026
31.100
01/04/2015
inHg
Low Barometer: 29.964
05:57
29.228
Thursday
29.228
01/15/2026
29.228
01/15/2026
28.625
02/07/2020
inHg
High Heat Index: 33.7
00:00
52.0
Thursday
52.4
01/09/2026
52.4
01/09/2026
119.6
06/20/2024
°F
Low Wind Chill: 25.7
02:53
4.9
Friday
1.5
01/01/2026
1.5
01/01/2026
-31.6
02/04/2023
°F
High Wind Speed: 7
02:53
23
Sunday
24
01/01/2026
24
01/01/2026
88
04/13/2020
mph
Ave Wind Speed: 1 3 2 2 3 mph
High Rain Rate: 0.00
00:00
0.00
Sunday
0.36
01/07/2026
0.36
01/07/2026
655.35
04/23/2021
in/hr
Rain Total: 0.00
0.05
0.62 0.62 713.80 in
High UV Index: 0.0
00:00
2.6
Monday
2.6
01/10/2026
2.6
01/10/2026
14.0
07/03/2013
High Solar Radiation: 0
00:00
448
Friday
520
01/10/2026
520
01/10/2026
2483
07/25/2015
W/m²
High Particulate:
Matter (PM2.5):
40.255
06:40
40.255
Sunday
50.235
01/06/2026
50.235
01/06/2026
5428.570
04/30/2023
µg/m³