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 79. West wind around 15 mph, with gusts as high as 35 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: Jun 18, 2026 1:46 AM EDT.
The active forecast window currently covers Jun 19 to Jun 24, 2026 for Allenstown, NH.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jun 19 to Jun 24, 2026
- Latest sync
- Jun 18, 2026 1:46 AM EDT
- Forecast office
- GYX
- Source
- NOAA / NWS
Daily Outlook
This Week in Allenstown
Wednesday looks like the warmest upcoming period in Allenstown at 81 degrees F.
Sunday Night is the coolest period ahead with temperatures near 54 degrees F.
The strongest winds are forecast for Juneteenth at about 15 mph W.
Precipitation is mentioned in 7 upcoming forecast periods.
Forecast Details
- Last updated
- Jun 18, 2026 1:46 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 57. West wind around 15 mph, with gusts as high as 30 mph.
Mostly sunny, with a high near 76.
Partly cloudy, with a low around 56.
A chance of rain showers after 11am. Mostly sunny, with a high near 77. Chance of precipitation is 30%.
A chance of rain showers. Partly cloudy, with a low around 54. Chance of precipitation is 30%.
A chance of rain showers before 2pm, then showers and thunderstorms likely. Mostly cloudy, with a high near 74. Chance of precipitation is 60%.
Showers and thunderstorms likely. Mostly cloudy, with a low around 55. Chance of precipitation is 60%.
A chance of rain showers. Mostly sunny, with a high near 78. Chance of precipitation is 30%.
A slight chance of rain showers before 8pm. Partly cloudy, with a low around 57.
A slight chance of rain showers after 5pm. Mostly sunny, with a high near 81.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Juneteenth
Jun 19
|
Sunny
|
79°F |
15 mph
W
|
|
Friday Night
Jun 19
|
Mostly Clear
|
57°F |
15 mph
W
|
|
Saturday
Jun 20
|
Mostly Sunny
|
76°F |
15 mph
W
|
|
Saturday Night
Jun 20
|
Partly Cloudy
|
56°F |
10 to 15 mph
NW
|
|
Sunday
Jun 21
|
Chance Rain Showers
|
77°F |
10 mph
NW
|
|
Sunday Night
Jun 21
|
Chance Rain Showers
|
54°F |
0 to 5 mph
NW
|
|
Monday
Jun 22
|
Showers And Thunderstorms Likely
|
74°F |
0 to 5 mph
NE
|
|
Monday Night
Jun 22
|
Showers And Thunderstorms Likely
|
55°F |
5 mph
NE
|
|
Tuesday
Jun 23
|
Chance Rain Showers
|
78°F |
5 mph
NW
|
|
Tuesday Night
Jun 23
|
Slight Chance Rain Showers then Partly Cloudy
|
57°F |
0 to 5 mph
NW
|
|
Wednesday
Jun 24
|
Mostly Sunny then Slight Chance Rain Showers
|
81°F |
0 to 5 mph
W
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Allenstown.
