Central Square - Cambridge, Massachusetts
42° 21.82' N - 071° 06.48' W - 20 feet
Friday December 12 20:30:00 2025
Station
Time: 20:30
Date: 12 Dec 2025
Latitude: 42° 21.82' N
Longitude: 071° 06.48' W
Elevation: 20 feet
Daylight: 09:08
Sun
Start civil twilight: 06:31
Sunrise: 07:03
Transit: 11:38
Sunset: 16:12
End civil twilight: 16:44
Azimuth: 281.0°
Altitude: -46.7°
Right ascension: 260.5°
Declination: -23.2°
Solstice: 12/21/2025 10:02:48 AM
Equinox: 03/20/2026 10:45:50 AM
Moon
Rise: 00:55
Transit: 06:07
Set: 12:11
Azimuth: 42.6°
Altitude: -43.7°
Right ascension: 184.0°
Declination: -4.2°
New moon: 12/19/2025 08:43:14 PM
Full moon: 01/03/2026 05:02:47 AM
Phase: Last Quarter
38% full
Temperature (°F)
Current: 32.4
Day Average: 29.0
Day High: 36.7 at 13:43
Day Low: 22.6 at 06:42
Week Average: 31.7
Week High: 49.4 at 03:30:57 PM Wednesday
Week Low: 14.0 at 07:04:54 AM Tuesday
Month Average: 32.2
Month High: 49.4 on 12/10/2025
Month Low: 12.9 on 12/05/2025
Year Average: 55.1
Year High: 105.1 on 06/24/2025
Year Low: 9.0 on 01/22/2025
All Time Average: 54.0
All Time High: 105.1 on 06/24/2025
All Time Low: -9.1 on 02/04/2023
Humidity (%)
Current: 57
Day Average: 51
Day High: 57 at 07:15
Day Low: 43 at 12:21
Week Average: 55
Week High: 86 at 08:35:25 PM Wednesday
Week Low: 25 at 02:25:28 PM Monday
Month Average: 60
Month High: 92 on 12/02/2025
Month Low: 25 on 12/08/2025
Year Average: 65
Year High: 96 on 03/31/2025
Year Low: 15 on 03/28/2025
All Time Average: 65
All Time High: 100 on 05/17/2011
All Time Low: 4 on 06/13/2023
Dew Point (°F)
Current: 18.9
Day Average: 12.9
Day High: 19.0 at 20:21
Day Low: 8.4 at 04:37
Week Average: 16.4
Week High: 41.8 at 06:30:31 PM Wednesday
Week Low: -4.9 at 02:34:20 PM Monday
Month Average: 16.4
Month High: 41.8 on 12/10/2025
Month Low: -5.6 on 12/05/2025
Year Average: 42.4
Year High: 78.3 on 07/17/2025
Year Low: -9.1 on 01/22/2025
All Time Average: 41.2
All Time High: 90.5 on 07/01/2009
All Time Low: -28.2 on 02/04/2023
Wind Chill (°F)
Current: 32.4
Day Low: 9.8 at 07:49
Week Low: 6.3 at 06:36:54 AM Tuesday
Month Low: -1.0 on 12/05/2025
Year Low: -4.0 on 01/22/2025
All Time Low: -31.6 on 02/04/2023
Heat Index (°F)
Current: 32.4
Day High: 36.7 at 13:43
Week High: 47.4 at 05:41:11 PM Wednesday
Month High: 47.4 on 12/10/2025
Year High: 116.1 on 07/25/2025
All Time High: 119.6 on 06/20/2024
Barometer ( inHg)
Current: 29.918
Day Average: 29.770
Day High: 29.919 at 20:01
Day Low: 29.592 at 00:00
Week Average: 29.817
Week High: 30.238 at 08:17:03 PM Monday
Week Low: 29.231 at 01:19:01 AM Thursday
Month Average: 29.897
Month High: 30.304 on 12/05/2025
Month Low: 29.231 on 12/11/2025
Year Average: 29.932
Year High: 30.611 on 02/02/2025
Year Low: 28.889 on 02/16/2025
All Time Average: 29.961
All Time High: 31.100 on 01/04/2015
All Time Low: 28.625 on 02/07/2020
Wind ( mph)
Current: 2 SW
Day Average: 3 SW
Day High: 22 at 14:50
Week Average: 3 SW
Week High: 26 at 02:52:41 AM Monday
Month Average: 3 WSW
Month High: 30 on 12/04/2025
Year Average: 2 SW
Year High: 36 on 03/06/2025
All Time Average: 3 WNW
All Time High: 88 on 04/13/2020
Rain ( in - in/hr)
Rate: 0.00
Day: 0.00
Day High Rate: 0.00 at 00:00
Week: 0.08
Week High Rate: 0.06 at 07:09:25 PM Wednesday
Month: 0.49
Month High Rate: 0.09 on 12/02/2025
Year: 37.90
Year High Rate: 655.35 on 01/04/2025
All Time High Rate: 655.35 on 04/23/2021