Thacher Island - Rockport, Massachusetts
42° 38.21' N - 070° 34.52' W - 20 feet
Wednesday December 10 10:20:00 2025
Station
Time: 10:20
Date: 10 Dec 2025
Latitude: 42° 38.21' N
Longitude: 070° 34.52' W
Elevation: 20 feet
Daylight: 09:07
Sun
Start civil twilight: 06:28
Sunrise: 07:01
Transit: 11:35
Sunset: 16:09
End civil twilight: 16:41
Azimuth: 161.3°
Altitude: 22.2°
Right ascension: 257.8°
Declination: -23.0°
Solstice: 12/21/2025 10:02:48 AM
Equinox: 03/20/2026 10:45:50 AM
Moon
Rise: 22:44
Transit: 04:39
Set: 11:30
Azimuth: 272.9°
Altitude: 11.8°
Right ascension: 155.8°
Declination: 10.0°
New moon: 12/19/2025 08:43:14 PM
Full moon: 01/03/2026 05:02:47 AM
Phase: Waning Gibbous
63% full
Temperature (°F)
Current: -
Day Average: -
Day High: - at  -
Day Low: - at  -
Week Average: 27.4
Week High: 38.6 at 03:33:47 PM Sunday
Week Low: 23.7 at 10:45:38 AM Tuesday
Month Average: 34.1
Month High: 40.9 on 12/04/2025
Month Low: 23.7 on 12/09/2025
Year Average: 49.6
Year High: 92.2 on 06/24/2025
Year Low: 12.7 on 01/21/2025
All Time Average: 50.8
All Time High: 93.3 on 07/21/2019
All Time Low: -8.8 on 02/04/2023
Humidity (%)
Current: -
Day Average: -
Day High: - at  -
Day Low: - at  -
Week Average: 48
Week High: 60 at 03:33:11 PM Sunday
Week Low: 39 at 01:04:58 PM Tuesday
Month Average: 65
Month High: 87 on 12/03/2025
Month Low: 39 on 12/09/2025
Year Average: 77
Year High: 100 on 08/14/2025
Year Low: 24 on 03/28/2025
All Time Average: 79
All Time High: 100 on 08/23/2015
All Time Low: 1 on 06/11/2019
Dew Point (°F)
Current: -
Day Average: -
Day High: - at  -
Day Low: - at  -
Week Average: 10.0
Week High: 25.9 at 03:33:47 PM Sunday
Week Low: 4.4 at 12:55:52 PM Tuesday
Month Average: 10.0
Month High: 32.5 on 12/03/2025
Month Low: 4.4 on 12/09/2025
Year Average: 42.2
Year High: 75.8 on 06/24/2025
Year Low: -6.7 on 01/22/2025
All Time Average: 43.0
All Time High: 86.1 on 07/11/2023
All Time Low: -47.3 on 06/13/2019
Wind Chill (°F)
Current: -
Day Low: - at  -
Week Low: 13.1 at 10:51:24 AM Tuesday
Month Low: 13.1 on 12/09/2025
Year Low: -6.6 on 02/19/2025
All Time Low: -42.4 on 02/04/2023
Heat Index (°F)
Current: -
Day High: - at  -
Week High: 38.6 at 03:33:47 PM Sunday
Month High: 40.0 on 12/04/2025
Year High: 104.5 on 06/24/2025
All Time High: 112.3 on 07/11/2023
Barometer ( inHg)
Current: -
Day Average: -
Day High: - at  -
Day Low: - at  -
Week Average: -
Week High: - at  -
Week Low: - at  -
Month Average: -
Month High: - on  -
Month Low: - on  -
Year Average: -
Year High: - on  -
Year Low: - on  -
All Time Average: 29.885
All Time High: 30.822 on 11/25/2015
All Time Low: 27.272 on 07/11/2023
Wind ( mph)
Current: 14 WSW
Day Average: 19 WSW
Day High: 36 at 00:02
Week Average: 15 WNW
Week High: 42 at 02:54:44 AM Monday
Month Average: 14 WNW
Month High: 53 on 12/02/2025
Year Average: 12 W
Year High: 105 on 03/29/2025
All Time Average: 11 NW
All Time High: 105 on 12/10/2024
Rain ( in - in/hr)
Rate: 0.00
Day: 0.00
Day High Rate: 655.35 at 00:00
Week: 0.00
Week High Rate: 655.35 at 12:00:03 AM Sunday
Month: 0.00
Month High Rate: 655.35 on 12/01/2025
Year: 15.83
Year High Rate: 655.35 on 05/20/2025
All Time High Rate: 655.35 on 02/23/2021