Weather Groton long-term weather forecast
Long-term weather forecast for Groton for ten days.
Thursday, Jan 15
39 / 23°F
| 0.00 in | 12 mph |
| 39 °F | 36 °F | 1 am | |
| 34 °F | 28 °F | 7 am | |
| 39 °F | 34 °F | 1 pm | |
| 23 °F | 16 °F | 7 pm |
sunrise 7:11 am
sunset 4:44 pm
HOURLY
sunset 4:44 pm
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Weather forecast Groton, Connecticut, USA extended forecast
| Time | State Temp. Feels like | Precip. | Wind | Pressure | Humidity | Dew | total |
Fog | Low |
Middle |
High |
||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Thursday 01/15/2026 |
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| 1 AM | overcast | 39 °F 36 °F |
0.00 in | 12 fps 9 mph south-southwest |
29.6 in | 98 % | 37 °F | 100 % | 0% | 35% | 99% | 99% | |
| 7 AM | partly cloudy | 34 °F 30 °F |
0.01 in | 9 fps 6 mph southwest |
29.5 in | 99 % | 32 °F | 28 % | 0% | 2% | 27% | 0% | |
| 1 PM | partly cloudy | 39 °F 34 °F |
0.0 in | 17 fps 12 mph west-northwest |
29.5 in | 65 % | 30 °F | 14 % | 0% | 10% | 4% | 0% | |
| 7 PM | clear | 23 °F 16 °F |
0.0 in | 15 fps 10 mph northwest |
29.8 in | 64 % | 14 °F | 3 % | 0% | 3% | 0% | 0% | |
Friday 01/16/2026 |
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| 1 AM | clear | 18 °F 10 °F |
0.0 in | 12 fps 8 mph north-northwest |
29.9 in | 53 % | 5 °F | 0 % | 0% | 0% | 0% | 0% | |
| 7 AM | clear | 18 °F 10 °F |
0.0 in | 9 fps 6 mph north-northwest |
30.0 in | 44 % | 0 °F | 1 % | 0% | 0% | 0% | 1% | |
| 1 PM | overcast | 32 °F 25 °F |
0.0 in | 4 fps 3 mph south-southeast |
30.0 in | 15 % | -9 °F | 100 % | 0% | 0% | 100% | 28% | |
| 7 PM | partly cloudy | 25 °F 19 °F |
0.0 in | 6 fps 4 mph east-southeast |
30.1 in | 68 % | 16 °F | 28 % | 0% | 7% | 15% | 7% | |
Groton, Connecticut, USA - information
State: Connecticut, USAGPS coordinates: 41.3501; -72.0784
Time zone: America / New York
time difference in hours with time in NY is -6 hours
Population: 9 221
Altitude: 91 ft
The administrative part:
- Connecticut, Hartford
- New London County, New London
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Data source
Weather forecast for Groton is supplied by MET Norway Norwegian Meteorological Institute and the NRK.Feels like
To calculate the perceived temperature, we use the Australian Apparent Temperature (AAT) model, which is designed for year-round calculations and takes air humidity into account in addition to temperature and wind speed.Weather with Meteobox for your website
Astronomical information Groton
data are always in the local timeSun and light
Jan. 15, 2026
| Sunrise: | Sunset: |
| 7:11 am | 4:44 pm |
| Noon: | Length of day: |
| 11:57 am | 09:32 |
| Start of civil twilight*: | End of civil twilight*: |
| 6:40 am | 5:15 pm |
| Start of nautical twilight*: | End of nautical twilight*: |
| 6:07 am | 5:48 pm |
| Start of astronomical twilight*: | End of astronomical twilight*: |
| 5:34 am | 6:21 pm |
| * What is Twilight? | |
Moon and moon phases
| Moonrise: | Moonset: |
| 01/15/2026 5:01 am | 01/15/2026 1:35 pm |
| Next new moon: | Next full moon: |
| 01/18/2026 | 02/01/2026 |
