Sandown, NH Weather Forecast
Local 7-day forecast
Partly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Sandown, NH in one place.
Partly sunny, with a high near 57.
Local Weather Overview
This forecast page for Sandown, 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 20, 2026 8:31 AM EDT.
The active forecast window currently covers Apr 23 to Apr 26, 2026 for Sandown, NH.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 23 to Apr 26, 2026
- Latest sync
- Apr 20, 2026 8:31 AM EDT
- Forecast office
- GYX
- Source
- NOAA / NWS
Daily Outlook
This Week in Sandown
Sunday looks like the warmest upcoming period in Sandown at 58 degrees F.
Thursday Night is the coolest period ahead with temperatures near 36 degrees F.
The strongest winds are forecast for Thursday at about 0 to 5 mph NW.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 20, 2026 8:31 AM EDT
- Coverage
- 4 days
- Time zone
- America/New_York
- Forecast office
- GYX
- Radar station
- KBOX
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 36.
Mostly sunny, with a high near 57.
Partly cloudy, with a low around 36.
A slight chance of rain showers after 2pm. Mostly sunny, with a high near 56.
A chance of rain showers. Mostly cloudy, with a low around 38. Chance of precipitation is 30%.
A chance of rain showers. Partly sunny, with a high near 58. Chance of precipitation is 30%.
A slight chance of rain showers. Mostly cloudy, with a low around 41.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Thursday
Apr 23
|
Partly Sunny
|
57°F |
0 to 5 mph
NW
|
|
Thursday Night
Apr 23
|
Partly Cloudy
|
36°F |
5 mph
NW
|
|
Friday
Apr 24
|
Mostly Sunny
|
57°F |
5 mph
N
|
|
Friday Night
Apr 24
|
Partly Cloudy
|
36°F |
0 to 5 mph
NE
|
|
Saturday
Apr 25
|
Mostly Sunny then Slight Chance Rain Showers
|
56°F |
0 to 5 mph
NE
|
|
Saturday Night
Apr 25
|
Chance Rain Showers
|
38°F |
0 to 5 mph
S
|
|
Sunday
Apr 26
|
Chance Rain Showers
|
58°F |
0 to 5 mph
E
|
|
Sunday Night
Apr 26
|
Slight Chance Rain Showers
|
41°F |
0 to 5 mph
E
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Sandown.