Cornwall, PA Weather Forecast
Local 7-day forecast
Partly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Cornwall, PA in one place.
Partly sunny, with a high near 85. Southwest wind 5 to 13 mph, with gusts as high as 23 mph.
Local Weather Overview
This forecast page for Cornwall, PA 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 9:44 AM EDT.
The active forecast window currently covers Apr 16 to Apr 21, 2026 for Cornwall, PA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 16 to Apr 21, 2026
- Latest sync
- Apr 15, 2026 9:44 AM EDT
- Forecast office
- CTP
- Source
- NOAA / NWS
Daily Outlook
This Week in Cornwall
Thursday looks like the warmest upcoming period in Cornwall at 85 degrees F.
Monday Night is the coolest period ahead with temperatures near 33 degrees F.
The strongest winds are forecast for Monday at about 16 to 21 mph NW.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 15, 2026 9:44 AM EDT
- Coverage
- 6 days
- Time zone
- America/New_York
- Forecast office
- CTP
- Radar station
- KCCX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A slight chance of rain showers after 8pm. Mostly cloudy, with a low around 64. West wind 6 to 10 mph. Chance of precipitation is 20%.
A chance of rain showers. Partly sunny, with a high near 76. West wind 7 to 10 mph. Chance of precipitation is 30%.
A chance of rain showers before 8pm. Mostly clear, with a low around 56. Chance of precipitation is 30%.
Mostly sunny, with a high near 78.
A chance of rain showers after 8pm. Mostly cloudy, with a low around 53. Chance of precipitation is 40%.
A chance of rain showers. Mostly cloudy, with a high near 63. Chance of precipitation is 50%.
A chance of rain showers before 2am. Partly cloudy, with a low around 37. Chance of precipitation is 50%.
Mostly sunny, with a high near 50.
Mostly clear, with a low around 33.
Sunny, with a high near 61.
Mostly clear, with a low around 46.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Thursday
Apr 16
|
Partly Sunny
|
85°F |
5 to 13 mph
SW
|
|
Thursday Night
Apr 16
|
Slight Chance Rain Showers
|
64°F |
6 to 10 mph
W
|
|
Friday
Apr 17
|
Chance Rain Showers
|
76°F |
7 to 10 mph
W
|
|
Friday Night
Apr 17
|
Chance Rain Showers then Mostly Clear
|
56°F |
3 to 9 mph
N
|
|
Saturday
Apr 18
|
Mostly Sunny
|
78°F |
3 to 12 mph
SE
|
|
Saturday Night
Apr 18
|
Chance Rain Showers
|
53°F |
12 mph
SE
|
|
Sunday
Apr 19
|
Chance Rain Showers
|
63°F |
10 to 17 mph
W
|
|
Sunday Night
Apr 19
|
Chance Rain Showers
|
37°F |
13 to 16 mph
W
|
|
Monday
Apr 20
|
Mostly Sunny
|
50°F |
16 to 21 mph
NW
|
|
Monday Night
Apr 20
|
Mostly Clear
|
33°F |
7 to 17 mph
NW
|
|
Tuesday
Apr 21
|
Sunny
|
61°F |
7 to 12 mph
SW
|
|
Tuesday Night
Apr 21
|
Mostly Clear
|
46°F |
7 to 12 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Cornwall.