Grafton, NH Weather Forecast
Local 7-day forecast
Mostly Cloudy then Slight Chance Rain Showers
Track current conditions, temperature changes, wind, and the full daily outlook for Grafton, NH in one place.
A slight chance of rain showers after 4pm. Mostly cloudy, with a high near 47. Southeast wind 0 to 5 mph.
Local Weather Overview
This forecast page for Grafton, 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 8:53 AM EDT.
The active forecast window currently covers Apr 22 to Apr 26, 2026 for Grafton, NH.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 22 to Apr 26, 2026
- Latest sync
- Apr 20, 2026 8:53 AM EDT
- Forecast office
- GYX
- Source
- NOAA / NWS
Daily Outlook
This Week in Grafton
Sunday looks like the warmest upcoming period in Grafton at 59 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 32 degrees F.
The strongest winds are forecast for Thursday at about 0 to 10 mph NW.
Precipitation is mentioned in 5 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 20, 2026 8:53 AM EDT
- Coverage
- 5 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 cloudy, with a low around 32.
Mostly sunny, with a high near 54.
Partly cloudy, with a low around 32.
Sunny, with a high near 54.
Partly cloudy, with a low around 33.
A slight chance of rain showers after 1pm. Mostly sunny, with a high near 58.
A chance of rain showers. Mostly cloudy, with a low around 35. Chance of precipitation is 30%.
A chance of rain showers. Partly sunny, with a high near 59. Chance of precipitation is 30%.
A slight chance of rain showers. Mostly cloudy, with a low around 38.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Apr 22
|
Mostly Cloudy then Slight Chance Rain Showers
|
47°F |
0 to 5 mph
SE
|
|
Wednesday Night
Apr 22
|
Mostly Cloudy
|
32°F |
0 to 5 mph
N
|
|
Thursday
Apr 23
|
Mostly Sunny
|
54°F |
0 to 10 mph
NW
|
|
Thursday Night
Apr 23
|
Partly Cloudy
|
32°F |
5 mph
NW
|
|
Friday
Apr 24
|
Sunny
|
54°F |
5 mph
NW
|
|
Friday Night
Apr 24
|
Partly Cloudy
|
33°F |
0 to 5 mph
N
|
|
Saturday
Apr 25
|
Mostly Sunny then Slight Chance Rain Showers
|
58°F |
0 to 5 mph
E
|
|
Saturday Night
Apr 25
|
Chance Rain Showers
|
35°F |
0 to 5 mph
E
|
|
Sunday
Apr 26
|
Chance Rain Showers
|
59°F |
0 to 5 mph
E
|
|
Sunday Night
Apr 26
|
Slight Chance Rain Showers
|
38°F |
0 to 5 mph
E
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Grafton.