Cornwall Junction, PA Weather Forecast
Local 7-day forecast
Slight Chance Rain Showers
Track current conditions, temperature changes, wind, and the full daily outlook for Cornwall Junction, PA in one place.
A slight chance of rain showers after 4am. Mostly cloudy, with a low around 66. East wind around 1 mph. Chance of precipitation is 20%.
Local Weather Overview
This forecast page for Cornwall Junction, 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: Sep 17, 2026 5:13 AM EDT.
The active forecast window currently covers Sep 17 to Sep 23, 2026 for Cornwall Junction, PA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Sep 17 to Sep 23, 2026
- Latest sync
- Sep 17, 2026 5:13 AM EDT
- Forecast office
- CTP
- Source
- NOAA / NWS
Daily Outlook
This Week in Cornwall Junction
Thursday looks like the warmest upcoming period in Cornwall Junction at 85 degrees F.
Friday Night is the coolest period ahead with temperatures near 53 degrees F.
The strongest winds are forecast for Tuesday at about 16 mph E.
Precipitation is mentioned in 11 upcoming forecast periods.
Forecast Details
- Last updated
- Sep 17, 2026 5:13 AM EDT
- Coverage
- 7 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 chance of rain showers and patchy fog before 2pm, then a chance of showers and thunderstorms between 2pm and 4pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 85. South wind 1 to 7 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
A chance of showers and thunderstorms before 7pm, then showers and thunderstorms likely between 7pm and 2am. Mostly cloudy, with a low around 66. West wind 1 to 7 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
Sunny, with a high near 80. North wind 7 to 12 mph.
Mostly clear, with a low around 53. North wind 5 to 12 mph.
Mostly sunny, with a high near 77.
Rain showers likely after 8pm. Mostly cloudy, with a low around 61. Chance of precipitation is 60%.
Rain showers likely before 8am, then showers and thunderstorms. Cloudy, with a high near 78. Chance of precipitation is 90%.
Showers and thunderstorms before 2am. Mostly cloudy, with a low around 58. Chance of precipitation is 90%.
A slight chance of rain showers after 2pm. Partly sunny, with a high near 72.
A chance of rain showers. Mostly cloudy, with a low around 55. Chance of precipitation is 30%.
A chance of rain showers. Partly sunny, with a high near 68. Chance of precipitation is 40%.
A chance of rain showers. Mostly cloudy, with a low around 53. Chance of precipitation is 40%.
A chance of rain showers. Partly sunny, with a high near 70.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Overnight
Sep 17
|
Slight Chance Rain Showers
|
66°F |
1 mph
E
|
|
Thursday
Sep 17
|
Chance Rain Showers
|
85°F |
1 to 7 mph
S
|
|
Thursday Night
Sep 17
|
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
|
66°F |
1 to 7 mph
W
|
|
Friday
Sep 18
|
Sunny
|
80°F |
7 to 12 mph
N
|
|
Friday Night
Sep 18
|
Mostly Clear
|
53°F |
5 to 12 mph
N
|
|
Saturday
Sep 19
|
Mostly Sunny
|
77°F |
7 mph
E
|
|
Saturday Night
Sep 19
|
Rain Showers Likely
|
61°F |
7 to 13 mph
SE
|
|
Sunday
Sep 20
|
Showers And Thunderstorms
|
78°F |
9 to 14 mph
SW
|
|
Sunday Night
Sep 20
|
Showers And Thunderstorms
|
58°F |
12 mph
NW
|
|
Monday
Sep 21
|
Partly Sunny then Slight Chance Rain Showers
|
72°F |
12 mph
NE
|
|
Monday Night
Sep 21
|
Chance Rain Showers
|
55°F |
9 to 14 mph
NE
|
|
Tuesday
Sep 22
|
Chance Rain Showers
|
68°F |
16 mph
E
|
|
Tuesday Night
Sep 22
|
Chance Rain Showers
|
53°F |
13 to 16 mph
E
|
|
Wednesday
Sep 23
|
Chance Rain Showers
|
70°F |
16 mph
E
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Cornwall Junction.