Groton, NH Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Groton, NH in one place.
Mostly sunny, with a high near 53.
Local Weather Overview
This forecast page for Groton, NH is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Apr 21, 2026 5:52 AM EDT.
The active forecast window currently covers Apr 23 to Apr 27, 2026 for Groton, NH.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 23 to Apr 27, 2026
- Latest sync
- Apr 21, 2026 5:52 AM EDT
- Forecast office
- GYX
- Source
- NOAA / NWS
Daily Outlook
This Week in Groton
Monday looks like the warmest upcoming period in Groton at 59 degrees F.
Friday Night is the coolest period ahead with temperatures near 30 degrees F.
The strongest winds are forecast for Thursday at about 0 to 10 mph NW.
The forecast from Apr 23 through Apr 27 stays mostly dry.
Forecast Details
- Last updated
- Apr 21, 2026 5:52 AM EDT
- Coverage
- 5 days
- Time zone
- America/New_York
- Forecast office
- GYX
- Radar station
- KGYX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Partly cloudy, with a low around 31.
Sunny, with a high near 52.
Mostly clear, with a low around 30.
Mostly sunny, with a high near 56.
Mostly cloudy, with a low around 35.
Partly sunny, with a high near 57.
Mostly cloudy, with a low around 38.
Partly sunny, with a high near 59.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Thursday
Apr 23
|
Mostly Sunny
|
53°F |
0 to 10 mph
NW
|
|
Thursday Night
Apr 23
|
Partly Cloudy
|
31°F |
0 to 10 mph
NW
|
|
Friday
Apr 24
|
Sunny
|
52°F |
5 mph
NW
|
|
Friday Night
Apr 24
|
Mostly Clear
|
30°F |
0 to 5 mph
N
|
|
Saturday
Apr 25
|
Mostly Sunny
|
56°F |
0 to 5 mph
E
|
|
Saturday Night
Apr 25
|
Mostly Cloudy
|
35°F |
0 to 5 mph
NE
|
|
Sunday
Apr 26
|
Partly Sunny
|
57°F |
0 to 5 mph
E
|
|
Sunday Night
Apr 26
|
Mostly Cloudy
|
38°F |
0 to 5 mph
E
|
|
Monday
Apr 27
|
Partly Sunny
|
59°F |
0 to 5 mph
E
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Groton.