Cornwall, NY Weather Forecast
Local 7-day forecast
Patchy Fog
Track current conditions, temperature changes, wind, and the full daily outlook for Cornwall, NY in one place.
Patchy fog. Mostly clear, with a low around 55. Southwest wind around 2 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: Oct 13, 2026 7:17 AM EDT.
The active forecast window currently covers Oct 13 to Oct 19, 2026 for Cornwall, NY.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 13 to Oct 19, 2026
- Latest sync
- Oct 13, 2026 7:17 AM EDT
- Forecast office
- OKX
- Source
- NOAA / NWS
Daily Outlook
This Week in Cornwall
Wednesday looks like the warmest upcoming period in Cornwall at 75 degrees F.
Saturday Night is the coolest period ahead with temperatures near 33 degrees F.
The strongest winds are forecast for Friday Night at about 13 to 17 mph NW.
Precipitation is mentioned in 3 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 13, 2026 7:17 AM 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
Patchy fog before 9am. Mostly sunny. High near 71, with temperatures falling to around 69 in the afternoon. South wind 2 to 8 mph.
Partly cloudy, with a low around 62. Southwest wind around 7 mph.
Mostly sunny. High near 75, with temperatures falling to around 72 in the afternoon. West wind around 8 mph.
Partly cloudy. Low around 51, with temperatures rising to around 53 overnight. Northwest wind around 8 mph.
Sunny. High near 61, with temperatures falling to around 59 in the afternoon.
Rain showers after 2am. Mostly cloudy, with a low around 49. Chance of precipitation is 80%.
Rain showers. Mostly cloudy, with a high near 64. Chance of precipitation is 80%.
Rain showers likely before 8pm. Partly cloudy, with a low around 40. Chance of precipitation is 60%.
Sunny, with a high near 46.
Mostly clear, with a low around 33.
Sunny, with a high near 51.
Mostly clear, with a low around 36.
Mostly sunny, with a high near 58.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Overnight
Oct 13
|
Patchy Fog
|
55°F |
2 mph
SW
|
|
Tuesday
Oct 13
|
Patchy Fog then Mostly Sunny
|
71°F |
2 to 8 mph
S
|
|
Tuesday Night
Oct 13
|
Partly Cloudy
|
62°F |
7 mph
SW
|
|
Wednesday
Oct 14
|
Mostly Sunny
|
75°F |
8 mph
W
|
|
Wednesday Night
Oct 14
|
Partly Cloudy
|
51°F |
8 mph
NW
|
|
Thursday
Oct 15
|
Sunny
|
61°F |
2 to 7 mph
N
|
|
Thursday Night
Oct 15
|
Mostly Cloudy then Rain Showers
|
49°F |
2 to 6 mph
E
|
|
Friday
Oct 16
|
Rain Showers
|
64°F |
6 to 13 mph
SW
|
|
Friday Night
Oct 16
|
Rain Showers Likely then Partly Cloudy
|
40°F |
13 to 17 mph
NW
|
|
Saturday
Oct 17
|
Sunny
|
46°F |
14 to 17 mph
NW
|
|
Saturday Night
Oct 17
|
Mostly Clear
|
33°F |
7 to 13 mph
NW
|
|
Sunday
Oct 18
|
Sunny
|
51°F |
7 mph
W
|
|
Sunday Night
Oct 18
|
Mostly Clear
|
36°F |
5 mph
SW
|
|
Monday
Oct 19
|
Mostly Sunny
|
58°F |
3 to 7 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Cornwall.