Cornwall, NY Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Cornwall, NY in one place.
Mostly sunny, with a high near 60. North wind 13 to 18 mph, with gusts as high as 32 mph.
Local Weather Overview
This forecast page for Cornwall, 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: May 29, 2026 10:25 PM EDT.
The active forecast window currently covers May 30 to Jun 5, 2026 for Cornwall, NY.
Page Snapshot
- Page focus
- city weather
- Forecast window
- May 30 to Jun 5, 2026
- Latest sync
- May 29, 2026 10:25 PM EDT
- Forecast office
- OKX
- Source
- NOAA / NWS
Daily Outlook
This Week in Cornwall
Friday looks like the warmest upcoming period in Cornwall at 84 degrees F.
Saturday Night is the coolest period ahead with temperatures near 45 degrees F.
The strongest winds are forecast for Saturday at about 13 to 18 mph N.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- May 29, 2026 10:25 PM EDT
- Coverage
- 7 days
- Time zone
- America/New_York
- Forecast office
- OKX
- Radar station
- KOKX
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 45. Northwest wind 5 to 12 mph, with gusts as high as 23 mph.
Sunny, with a high near 71. Northwest wind 5 to 8 mph.
Partly cloudy, with a low around 54. West wind 3 to 7 mph.
A chance of showers and thunderstorms after 2pm. Mostly sunny. High near 72, with temperatures falling to around 70 in the afternoon. Chance of precipitation is 30%.
A chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 51. Chance of precipitation is 30%.
A chance of rain showers after 2pm. Mostly sunny, with a high near 70. Chance of precipitation is 40%.
A chance of rain showers. Partly cloudy, with a low around 51. Chance of precipitation is 40%.
A slight chance of rain showers. Mostly sunny, with a high near 71.
A slight chance of rain showers before 8pm. Partly cloudy, with a low around 54.
Sunny, with a high near 79.
Mostly clear, with a low around 60.
Mostly sunny, with a high near 84.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
May 30
|
Mostly Sunny
|
60°F |
13 to 18 mph
N
|
|
Saturday Night
May 30
|
Mostly Clear
|
45°F |
5 to 12 mph
NW
|
|
Sunday
May 31
|
Sunny
|
71°F |
5 to 8 mph
NW
|
|
Sunday Night
May 31
|
Partly Cloudy
|
54°F |
3 to 7 mph
W
|
|
Monday
Jun 1
|
Mostly Sunny then Chance Showers And Thunderstorms
|
72°F |
6 mph
NW
|
|
Monday Night
Jun 1
|
Chance Showers And Thunderstorms
|
51°F |
5 mph
NE
|
|
Tuesday
Jun 2
|
Mostly Sunny then Chance Rain Showers
|
70°F |
7 mph
N
|
|
Tuesday Night
Jun 2
|
Chance Rain Showers
|
51°F |
6 mph
N
|
|
Wednesday
Jun 3
|
Slight Chance Rain Showers
|
71°F |
8 mph
N
|
|
Wednesday Night
Jun 3
|
Slight Chance Rain Showers then Partly Cloudy
|
54°F |
6 mph
NW
|
|
Thursday
Jun 4
|
Sunny
|
79°F |
6 mph
NW
|
|
Thursday Night
Jun 4
|
Mostly Clear
|
60°F |
6 mph
W
|
|
Friday
Jun 5
|
Mostly Sunny
|
84°F |
5 to 8 mph
W
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Cornwall.