Summit, PA Weather Forecast
Local 7-day forecast
Slight Chance Rain Showers
Track current conditions, temperature changes, wind, and the full daily outlook for Summit, PA in one place.
A slight chance of rain showers. Partly sunny, with a high near 79. South wind around 14 mph, with gusts as high as 26 mph. Chance of precipitation is 20%. New rainfall amounts between a tenth and quarter of an inch possible.
Local Weather Overview
This forecast page for Summit, 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 18, 2026 7:31 PM EDT.
The active forecast window currently covers Apr 18 to Apr 24, 2026 for Summit, PA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 18 to Apr 24, 2026
- Latest sync
- Apr 18, 2026 7:31 PM EDT
- Forecast office
- CTP
- Source
- NOAA / NWS
Daily Outlook
This Week in Summit
This Afternoon looks like the warmest upcoming period in Summit at 79 degrees F.
Monday Night is the coolest period ahead with temperatures near 23 degrees F.
The strongest winds are forecast for Sunday at about 18 mph NW.
Precipitation is mentioned in 10 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 18, 2026 7:31 PM 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
Showers and thunderstorms. Cloudy, with a low around 39. Southwest wind 10 to 16 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
A chance of rain showers before 7am, then a chance of sleet and a chance of rain showers between 7am and 8am, then a chance of rain and snow showers between 8am and noon. Mostly cloudy, with a high near 47. Northwest wind around 18 mph, with gusts as high as 33 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
A chance of rain showers between 7pm and 8pm, then a chance of rain and snow showers. Mostly cloudy, with a low around 30. West wind 9 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 50%. New snow accumulation of less than one inch possible.
A chance of snow showers before 2pm. Mostly sunny, with a high near 41. Northwest wind 12 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 30%. New snow accumulation of less than one inch possible.
Widespread frost after 4am. Mostly clear, with a low around 23.
Sunny, with a high near 57.
A chance of rain showers after 8pm. Partly cloudy, with a low around 44. Chance of precipitation is 40%.
A chance of rain showers before 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 65. Chance of precipitation is 40%.
A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 43. Chance of precipitation is 30%.
Sunny, with a high near 72.
Mostly clear, with a low around 50.
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 76.
A chance of showers and thunderstorms. Partly cloudy, with a low around 54.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
This Afternoon
Apr 18
|
Slight Chance Rain Showers
|
79°F |
14 mph
S
|
|
Tonight
Apr 18
|
Showers And Thunderstorms
|
39°F |
10 to 16 mph
SW
|
|
Sunday
Apr 19
|
Chance Rain And Snow Showers then Mostly Cloudy
|
47°F |
18 mph
NW
|
|
Sunday Night
Apr 19
|
Chance Rain And Snow Showers
|
30°F |
9 to 15 mph
W
|
|
Monday
Apr 20
|
Chance Snow Showers
|
41°F |
12 to 15 mph
NW
|
|
Monday Night
Apr 20
|
Mostly Clear then Widespread Frost
|
23°F |
2 to 13 mph
W
|
|
Tuesday
Apr 21
|
Sunny
|
57°F |
3 to 10 mph
SW
|
|
Tuesday Night
Apr 21
|
Chance Rain Showers
|
44°F |
9 mph
SW
|
|
Wednesday
Apr 22
|
Chance Rain Showers
|
65°F |
9 to 13 mph
W
|
|
Wednesday Night
Apr 22
|
Chance Showers And Thunderstorms then Partly Cloudy
|
43°F |
3 to 10 mph
W
|
|
Thursday
Apr 23
|
Sunny
|
72°F |
3 to 8 mph
W
|
|
Thursday Night
Apr 23
|
Mostly Clear
|
50°F |
7 mph
SW
|
|
Friday
Apr 24
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
76°F |
6 to 10 mph
SW
|
|
Friday Night
Apr 24
|
Chance Showers And Thunderstorms
|
54°F |
6 to 9 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Summit.
