Grafton, NY Weather Forecast
Local 7-day forecast
Partly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Grafton, NY in one place.
Partly sunny, with a high near 70.
Local Weather Overview
This forecast page for Grafton, NY 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 15, 2026 2:08 PM EDT.
The active forecast window currently covers Apr 18 to Apr 21, 2026 for Grafton, NY.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 18 to Apr 21, 2026
- Latest sync
- Apr 15, 2026 2:08 PM EDT
- Forecast office
- ALY
- Source
- NOAA / NWS
Daily Outlook
This Week in Grafton
Saturday looks like the warmest upcoming period in Grafton at 70 degrees F.
Monday Night is the coolest period ahead with temperatures near 30 degrees F.
The strongest winds are forecast for Monday at about 13 to 18 mph W.
Precipitation is mentioned in 5 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 15, 2026 2:08 PM EDT
- Coverage
- 4 days
- Time zone
- America/New_York
- Forecast office
- ALY
- Radar station
- KENX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A chance of rain showers after 8pm. Mostly cloudy, with a low around 48. Chance of precipitation is 40%.
Rain showers likely. Mostly cloudy, with a high near 58. Chance of precipitation is 60%.
Rain showers likely before 2am, then a slight chance of rain and snow showers. Mostly cloudy, with a low around 33. Chance of precipitation is 60%.
A slight chance of rain and snow showers before 8am. Partly sunny, with a high near 44.
Mostly clear, with a low around 30.
Sunny, with a high near 56.
A slight chance of rain showers after 8pm. Mostly cloudy, with a low around 41.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Apr 18
|
Partly Sunny
|
70°F |
2 to 12 mph
SE
|
|
Saturday Night
Apr 18
|
Chance Rain Showers
|
48°F |
8 to 12 mph
S
|
|
Sunday
Apr 19
|
Rain Showers Likely
|
58°F |
9 to 13 mph
SW
|
|
Sunday Night
Apr 19
|
Rain Showers Likely then Slight Chance Rain And Snow Showers
|
33°F |
13 mph
W
|
|
Monday
Apr 20
|
Slight Chance Rain And Snow Showers then Partly Sunny
|
44°F |
13 to 18 mph
W
|
|
Monday Night
Apr 20
|
Mostly Clear
|
30°F |
6 to 14 mph
W
|
|
Tuesday
Apr 21
|
Sunny
|
56°F |
6 to 10 mph
W
|
|
Tuesday Night
Apr 21
|
Slight Chance Rain Showers
|
41°F |
5 to 8 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Grafton.