Alstead, NH Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Alstead, NH in one place.
Sunny, with a high near 89.
Local Weather Overview
This forecast page for Alstead, 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: Jul 12, 2026 6:46 AM EDT.
The active forecast window currently covers Jul 14 to Jul 18, 2026 for Alstead, NH.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 14 to Jul 18, 2026
- Latest sync
- Jul 12, 2026 6:46 AM EDT
- Forecast office
- GYX
- Source
- NOAA / NWS
Daily Outlook
This Week in Alstead
Tuesday looks like the warmest upcoming period in Alstead at 89 degrees F.
Friday Night is the coolest period ahead with temperatures near 55 degrees F.
The strongest winds are forecast for Tuesday at about 5 to 10 mph SW.
Precipitation is mentioned in 2 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 12, 2026 6:46 AM EDT
- Coverage
- 5 days
- Time zone
- America/New_York
- Forecast office
- GYX
- Radar station
- KENX
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 71.
Mostly sunny, with a high near 86.
Partly cloudy, with a low around 61.
Sunny, with a high near 82.
Mostly clear, with a low around 57.
Sunny, with a high near 79.
A slight chance of rain showers after 4am. Mostly clear, with a low around 55.
A slight chance of rain showers before 8am, then a slight chance of showers and thunderstorms between 2pm and 5pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 79.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Jul 14
|
Sunny
|
89°F |
5 to 10 mph
SW
|
|
Tuesday Night
Jul 14
|
Mostly Clear
|
71°F |
10 mph
W
|
|
Wednesday
Jul 15
|
Mostly Sunny
|
86°F |
10 mph
W
|
|
Wednesday Night
Jul 15
|
Partly Cloudy
|
61°F |
5 to 10 mph
W
|
|
Thursday
Jul 16
|
Sunny
|
82°F |
5 to 10 mph
NW
|
|
Thursday Night
Jul 16
|
Mostly Clear
|
57°F |
0 to 5 mph
NW
|
|
Friday
Jul 17
|
Sunny
|
79°F |
5 to 10 mph
W
|
|
Friday Night
Jul 17
|
Mostly Clear then Slight Chance Rain Showers
|
55°F |
0 to 5 mph
NW
|
|
Saturday
Jul 18
|
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
|
79°F |
0 to 5 mph
NW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Alstead.