Allenstown, NH Weather Forecast
Local 7-day forecast
Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Allenstown, NH in one place.
Rain showers and areas of fog before 8am, then rain showers and areas of fog between 8am and 11am, then showers and thunderstorms. Cloudy, with a high near 78. South wind 5 to 10 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
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: Aug 2, 2026 4:09 PM EDT.
The active forecast window currently covers Aug 3 to Aug 8, 2026 for Allenstown, NH.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Aug 3 to Aug 8, 2026
- Latest sync
- Aug 2, 2026 4:09 PM EDT
- Forecast office
- GYX
- Source
- NOAA / NWS
Daily Outlook
This Week in Allenstown
Thursday looks like the warmest upcoming period in Allenstown at 87 degrees F.
Monday Night is the coolest period ahead with temperatures near 61 degrees F.
The strongest winds are forecast for Monday at about 5 to 10 mph S.
Precipitation is mentioned in 10 upcoming forecast periods.
Forecast Details
- Last updated
- Aug 2, 2026 4:09 PM 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
Showers and thunderstorms before 3am. Partly cloudy, with a low around 61. West wind 5 to 10 mph. Chance of precipitation is 80%.
Sunny, with a high near 83. West wind around 5 mph.
Partly cloudy, with a low around 61.
A chance of rain showers after 2pm. Mostly sunny, with a high near 84. Chance of precipitation is 30%.
A chance of rain showers before 9pm. Partly cloudy, with a low around 65. Chance of precipitation is 30%.
A chance of rain showers between 8am and 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 87. Chance of precipitation is 50%.
A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 67. Chance of precipitation is 40%.
A slight chance of showers and thunderstorms between 2pm and 4pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 87. Chance of precipitation is 30%.
A chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 66. Chance of precipitation is 30%.
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 86.
A slight chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 65.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Monday
Aug 3
|
Showers And Thunderstorms
|
78°F |
5 to 10 mph
S
|
|
Monday Night
Aug 3
|
Showers And Thunderstorms
|
61°F |
5 to 10 mph
W
|
|
Tuesday
Aug 4
|
Sunny
|
83°F |
5 mph
W
|
|
Tuesday Night
Aug 4
|
Partly Cloudy
|
61°F |
0 to 5 mph
W
|
|
Wednesday
Aug 5
|
Mostly Sunny then Chance Rain Showers
|
84°F |
0 to 5 mph
SW
|
|
Wednesday Night
Aug 5
|
Chance Rain Showers then Partly Cloudy
|
65°F |
0 to 5 mph
SW
|
|
Thursday
Aug 6
|
Chance Rain Showers then Chance Showers And Thunderstorms
|
87°F |
0 to 5 mph
SW
|
|
Thursday Night
Aug 6
|
Chance Showers And Thunderstorms then Partly Cloudy
|
67°F |
0 to 5 mph
SW
|
|
Friday
Aug 7
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
87°F |
0 to 5 mph
W
|
|
Friday Night
Aug 7
|
Chance Showers And Thunderstorms
|
66°F |
5 mph
W
|
|
Saturday
Aug 8
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
86°F |
5 mph
W
|
|
Saturday Night
Aug 8
|
Slight Chance Showers And Thunderstorms then Partly Cloudy
|
65°F |
0 to 5 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Allenstown.
