Charleston, PA Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Charleston, PA in one place.
Mostly sunny, with a high near 78. South wind around 3 mph.
Local Weather Overview
This forecast page for Charleston, 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 14, 2026 5:44 PM EDT.
The active forecast window currently covers Sep 16 to Sep 20, 2026 for Charleston, PA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Sep 16 to Sep 20, 2026
- Latest sync
- Sep 14, 2026 5:44 PM EDT
- Forecast office
- CTP
- Source
- NOAA / NWS
Daily Outlook
This Week in Charleston
Thursday looks like the warmest upcoming period in Charleston at 79 degrees F.
Friday Night is the coolest period ahead with temperatures near 54 degrees F.
The strongest winds are forecast for Sunday at about 12 mph W.
Precipitation is mentioned in 7 upcoming forecast periods.
Forecast Details
- Last updated
- Sep 14, 2026 5:44 PM EDT
- Coverage
- 5 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 after 2am. Mostly cloudy, with a low around 61. Chance of precipitation is 30%.
A chance of rain showers before 2pm, then showers and thunderstorms likely. Mostly cloudy, with a high near 79. Chance of precipitation is 60%.
Showers and thunderstorms likely before 2am. Mostly cloudy, with a low around 61. Chance of precipitation is 60%.
Partly sunny, with a high near 73.
Partly cloudy, with a low around 54.
A chance of rain showers after 2pm. Partly sunny, with a high near 73. Chance of precipitation is 40%.
A chance of rain showers. Mostly cloudy, with a low around 58. Chance of precipitation is 40%.
A chance of rain showers. Mostly cloudy, with a high near 71. Chance of precipitation is 50%.
A chance of rain showers. Mostly cloudy, with a low around 54.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Sep 16
|
Mostly Sunny
|
78°F |
3 mph
S
|
|
Wednesday Night
Sep 16
|
Mostly Cloudy then Chance Rain Showers
|
61°F |
2 mph
S
|
|
Thursday
Sep 17
|
Showers And Thunderstorms Likely
|
79°F |
0 to 8 mph
SW
|
|
Thursday Night
Sep 17
|
Showers And Thunderstorms Likely
|
61°F |
1 to 6 mph
NW
|
|
Friday
Sep 18
|
Partly Sunny
|
73°F |
2 to 7 mph
N
|
|
Friday Night
Sep 18
|
Partly Cloudy
|
54°F |
0 to 6 mph
N
|
|
Saturday
Sep 19
|
Partly Sunny then Chance Rain Showers
|
73°F |
0 to 9 mph
S
|
|
Saturday Night
Sep 19
|
Chance Rain Showers
|
58°F |
7 to 10 mph
SW
|
|
Sunday
Sep 20
|
Chance Rain Showers
|
71°F |
12 mph
W
|
|
Sunday Night
Sep 20
|
Chance Rain Showers
|
54°F |
3 to 9 mph
E
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Charleston.