Grafton, NY Weather Forecast

Local 7-day forecast

70°
F

Partly Sunny

Track current conditions, temperature changes, wind, and the full daily outlook for Grafton, NY in one place.

Saturday, April 18, 2026
Wind: 2 to 12 mph SE
Saturday

Partly sunny, with a high near 70.

Local 7-day forecast

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
Next High
70°F
Saturday
Next Low
48°F
Saturday Night
Rain Outlook
5
Periods mentioning precipitation
Windiest
13 to 18 mph
Monday

Daily Outlook

Today
Apr 18
Partly Sunny
70 °F
/ 48°F
Wind 2 to 12 mph
Sun
Apr 19
Rain Showers Likely
58 °F
/ 33°F
Wind 9 to 13 mph
Mon
Apr 20
Slight Chance Rain And Snow Showers then Partly Sunny
44 °F
/ 30°F
Wind 13 to 18 mph
Tue
Apr 21
Sunny
56 °F
/ 41°F
Wind 6 to 10 mph

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 source

Extended Forecast

Saturday Night
Apr 18
48°F
Chance Rain Showers
8 to 12 mph S

A chance of rain showers after 8pm. Mostly cloudy, with a low around 48. Chance of precipitation is 40%.

Sunday
Apr 19
58°F
Rain Showers Likely
9 to 13 mph SW

Rain showers likely. Mostly cloudy, with a high near 58. Chance of precipitation is 60%.

Sunday Night
Apr 19
33°F
Rain Showers Likely then Slight Chance Rain And Snow Showers
13 mph W

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%.

Monday
Apr 20
44°F
Slight Chance Rain And Snow Showers then Partly Sunny
13 to 18 mph W

A slight chance of rain and snow showers before 8am. Partly sunny, with a high near 44.

Monday Night
Apr 20
30°F
Mostly Clear
6 to 14 mph W

Mostly clear, with a low around 30.

Tuesday
Apr 21
56°F
Sunny
6 to 10 mph W

Sunny, with a high near 56.

Tuesday Night
Apr 21
41°F
Slight Chance Rain Showers
5 to 8 mph SW

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
Saint John Francis Regis Catholic Church 'Grafton  New York' - sign
Saint John Francis Regis Catholic Church 'Grafton New York' - sign image
Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.