Central Square - Cambridge, Massachusetts
42° 21.82' N - 071° 06.48' W - 20 feet
Sunday December 14 17:30:00 2025
Station
Time: 17:30
Date: 14 Dec 2025
Latitude: 42° 21.82' N
Longitude: 071° 06.48' W
Elevation: 20 feet
Daylight: 09:07
Sun
Start civil twilight: 06:33
Sunrise: 07:05
Transit: 11:39
Sunset: 16:12
End civil twilight: 16:45
Azimuth: 250.9°
Altitude: -13.8°
Right ascension: 262.6°
Declination: -23.3°
Solstice: 12/21/2025 10:02:48 AM
Equinox: 03/20/2026 10:45:50 AM
Moon
Rise: 01:58
Transit: 07:28
Set: 12:49
Azimuth: 304.2°
Altitude: -49.8°
Right ascension: 203.7°
Declination: -14.3°
New moon: 12/19/2025 08:43:14 PM
Full moon: 01/03/2026 05:02:47 AM
Phase: Waning Crescent
22% full
Temperature (°F)
Current: 27.9
Day Average: 32.6
Day High: 35.5 at 00:00
Day Low: 27.8 at 17:28
Week Average: 32.6
Week High: 35.5 at 12:00:55 AM Sunday
Week Low: 27.8 at 05:28:15 PM Sunday
Month Average: 32.3
Month High: 49.4 on 12/10/2025
Month Low: 12.9 on 12/05/2025
Year Average: 55.0
Year High: 105.1 on 06/24/2025
Year Low: 9.0 on 01/22/2025
All Time Average: 53.9
All Time High: 105.1 on 06/24/2025
All Time Low: -9.1 on 02/04/2023
Humidity (%)
Current: 82
Day Average: 81
Day High: 88 at 09:24
Day Low: 64 at 00:00
Week Average: 81
Week High: 88 at 09:24:18 AM Sunday
Week Low: 64 at 12:00:04 AM Sunday
Month Average: 61
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: 23.1
Day Average: 27.2
Day High: 29.7 at 12:13
Day Low: 23.1 at 17:29
Week Average: 27.2
Week High: 29.7 at 12:13:20 PM Sunday
Week Low: 23.1 at 05:29:59 PM Sunday
Month Average: 27.2
Month High: 41.8 on 12/10/2025
Month Low: -5.6 on 12/05/2025
Year Average: 42.3
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: 23.3
Day Low: 15.7 at 16:22
Week Low: 15.7 at 04:22:21 PM Sunday
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: 27.9
Day High: 35.5 at 00:00
Week High: 35.5 at 12:00:55 AM Sunday
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: 29.847
Day Average: 29.859
Day High: 29.936 at 02:18
Day Low: 29.765 at 13:45
Week Average: 29.859
Week High: 29.936 at 02:18:01 AM Sunday
Week Low: 29.765 at 01:45:03 PM Sunday
Month Average: 29.902
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: 4 NW
Day Average: 2 WNW
Day High: 20 at 16:22
Week Average: 2 WNW
Week High: 20 at 04:22:21 PM Sunday
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: 0.01
Day High Rate: 0.00 at 00:00
Week: 0.01
Week High Rate: 0.00 at 12:00:04 AM Sunday
Month: 0.50
Month High Rate: 0.09 on 12/02/2025
Year: 37.91
Year High Rate: 655.35 on 01/04/2025
All Time High Rate: 655.35 on 04/23/2021