Allenstown, NH Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Allenstown, NH in one place.
Sunny, with a high near 63. Northeast wind around 10 mph, with gusts as high as 25 mph.
Local Weather Overview
This forecast page for Allenstown, 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: Sep 22, 2026 5:25 AM EDT.
The active forecast window currently covers Sep 23 to Sep 28, 2026 for Allenstown, NH.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Sep 23 to Sep 28, 2026
- Latest sync
- Sep 22, 2026 5:25 AM EDT
- Forecast office
- GYX
- Source
- NOAA / NWS
Daily Outlook
This Week in Allenstown
Monday looks like the warmest upcoming period in Allenstown at 65 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 42 degrees F.
The strongest winds are forecast for Friday Night at about 15 to 20 mph N.
Precipitation is mentioned in 7 upcoming forecast periods.
Forecast Details
- Last updated
- Sep 22, 2026 5:25 AM EDT
- Coverage
- 6 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
Mostly clear, with a low around 42. Northeast wind around 5 mph.
Sunny, with a high near 64.
Mostly cloudy, with a low around 46.
A chance of rain showers after 8am. Mostly cloudy, with a high near 63. Chance of precipitation is 40%.
Rain showers likely. Mostly cloudy, with a low around 48. Chance of precipitation is 60%.
A chance of rain showers. Mostly cloudy, with a high near 62. Chance of precipitation is 50%.
Rain showers likely. Mostly cloudy, with a low around 48. Chance of precipitation is 60%.
A chance of rain showers. Partly sunny, with a high near 63. Chance of precipitation is 50%.
A chance of rain showers. Mostly cloudy, with a low around 47. Chance of precipitation is 40%.
A slight chance of rain showers before 7am. Partly sunny, with a high near 65.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Sep 23
|
Sunny
|
63°F |
10 mph
NE
|
|
Wednesday Night
Sep 23
|
Mostly Clear
|
42°F |
5 mph
NE
|
|
Thursday
Sep 24
|
Sunny
|
64°F |
5 to 10 mph
NE
|
|
Thursday Night
Sep 24
|
Mostly Cloudy
|
46°F |
5 to 10 mph
NE
|
|
Friday
Sep 25
|
Chance Rain Showers
|
63°F |
10 to 15 mph
NE
|
|
Friday Night
Sep 25
|
Rain Showers Likely
|
48°F |
15 to 20 mph
N
|
|
Saturday
Sep 26
|
Chance Rain Showers
|
62°F |
15 to 20 mph
N
|
|
Saturday Night
Sep 26
|
Rain Showers Likely
|
48°F |
15 mph
N
|
|
Sunday
Sep 27
|
Chance Rain Showers
|
63°F |
15 mph
N
|
|
Sunday Night
Sep 27
|
Chance Rain Showers
|
47°F |
10 to 15 mph
NE
|
|
Monday
Sep 28
|
Slight Chance Rain Showers then Partly Sunny
|
65°F |
10 to 15 mph
NE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Allenstown.
