Grafton, NY Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Grafton, NY in one place.
Mostly sunny, with a high near 46. Northwest wind around 15 mph, with gusts as high as 30 mph.
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: Oct 15, 2026 5:55 PM EDT.
The active forecast window currently covers Oct 17 to Oct 21, 2026 for Grafton, NY.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 17 to Oct 21, 2026
- Latest sync
- Oct 15, 2026 5:55 PM EDT
- Forecast office
- ALY
- Source
- NOAA / NWS
Daily Outlook
This Week in Grafton
Tuesday looks like the warmest upcoming period in Grafton at 63 degrees F.
Saturday Night is the coolest period ahead with temperatures near 30 degrees F.
The strongest winds are forecast for Saturday at about 15 mph NW.
The forecast from Oct 17 through Oct 21 stays mostly dry.
Forecast Details
- Last updated
- Oct 15, 2026 5:55 PM EDT
- Coverage
- 5 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
Mostly clear, with a low around 30.
Sunny, with a high near 55.
Mostly clear, with a low around 34.
Sunny, with a high near 61.
Mostly clear, with a low around 37.
Mostly sunny, with a high near 63.
Partly cloudy, with a low around 40.
Sunny, with a high near 61.
Mostly clear, with a low around 36.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Oct 17
|
Mostly Sunny
|
46°F |
15 mph
NW
|
|
Saturday Night
Oct 17
|
Mostly Clear
|
30°F |
2 to 12 mph
W
|
|
Sunday
Oct 18
|
Sunny
|
55°F |
3 mph
SW
|
|
Sunday Night
Oct 18
|
Mostly Clear
|
34°F |
3 mph
S
|
|
Monday
Oct 19
|
Sunny
|
61°F |
3 mph
S
|
|
Monday Night
Oct 19
|
Mostly Clear
|
37°F |
2 mph
SW
|
|
Tuesday
Oct 20
|
Mostly Sunny
|
63°F |
3 mph
NW
|
|
Tuesday Night
Oct 20
|
Partly Cloudy
|
40°F |
2 mph
NW
|
|
Wednesday
Oct 21
|
Sunny
|
61°F |
5 mph
N
|
|
Wednesday Night
Oct 21
|
Mostly Clear
|
36°F |
0 to 3 mph
N
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Grafton.
