Grafton, NH Weather Forecast
Local 7-day forecast
Rain then Rain Showers Likely
Track current conditions, temperature changes, wind, and the full daily outlook for Grafton, NH in one place.
Rain before noon, then rain showers likely. Mostly cloudy, with a high near 75. Southeast wind 0 to 5 mph. Chance of precipitation is 90%.
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: Aug 16, 2026 12:40 AM EDT.
The active forecast window currently covers Aug 17 to Aug 22, 2026 for Grafton, NH.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Aug 17 to Aug 22, 2026
- Latest sync
- Aug 16, 2026 12:40 AM EDT
- Forecast office
- GYX
- Source
- NOAA / NWS
Daily Outlook
This Week in Grafton
Wednesday looks like the warmest upcoming period in Grafton at 82 degrees F.
Thursday Night is the coolest period ahead with temperatures near 52 degrees F.
The strongest winds are forecast for Monday at about 0 to 5 mph SE.
Precipitation is mentioned in 5 upcoming forecast periods.
Forecast Details
- Last updated
- Aug 16, 2026 12:40 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
A slight chance of rain showers before 10pm. Mostly cloudy, with a low around 59. North wind around 0 mph.
Mostly sunny, with a high near 80.
Partly cloudy, with a low around 57.
Mostly sunny, with a high near 82.
A chance of rain showers after 7pm. Mostly cloudy, with a low around 58. Chance of precipitation is 40%.
A chance of rain showers. Partly sunny, with a high near 77. Chance of precipitation is 40%.
A chance of rain showers before 8pm. Partly cloudy, with a low around 52. Chance of precipitation is 30%.
Mostly sunny, with a high near 77.
Partly cloudy, with a low around 52.
Mostly sunny, with a high near 77.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Monday
Aug 17
|
Rain then Rain Showers Likely
|
75°F |
0 to 5 mph
SE
|
|
Monday Night
Aug 17
|
Slight Chance Rain Showers then Mostly Cloudy
|
59°F |
0 mph
|
|
Tuesday
Aug 18
|
Mostly Sunny
|
80°F |
0 to 5 mph
NW
|
|
Tuesday Night
Aug 18
|
Partly Cloudy
|
57°F |
0 mph
|
|
Wednesday
Aug 19
|
Mostly Sunny
|
82°F |
0 to 5 mph
W
|
|
Wednesday Night
Aug 19
|
Chance Rain Showers
|
58°F |
0 to 5 mph
W
|
|
Thursday
Aug 20
|
Chance Rain Showers
|
77°F |
5 mph
NW
|
|
Thursday Night
Aug 20
|
Chance Rain Showers then Partly Cloudy
|
52°F |
0 to 5 mph
NW
|
|
Friday
Aug 21
|
Mostly Sunny
|
77°F |
0 to 5 mph
NW
|
|
Friday Night
Aug 21
|
Partly Cloudy
|
52°F |
0 mph
|
|
Saturday
Aug 22
|
Mostly Sunny
|
77°F |
0 to 5 mph
E
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Grafton.
