Charlestown, PA Weather Forecast
Local 7-day forecast
Rain Showers Likely
Track current conditions, temperature changes, wind, and the full daily outlook for Charlestown, PA in one place.
Rain showers likely. Mostly cloudy, with a high near 63. East wind 3 to 7 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
Local Weather Overview
This forecast page for Charlestown, 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: Oct 13, 2026 11:45 PM EDT.
The active forecast window currently covers Oct 15 to Oct 20, 2026 for Charlestown, PA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 15 to Oct 20, 2026
- Latest sync
- Oct 13, 2026 11:45 PM EDT
- Forecast office
- CTP
- Source
- NOAA / NWS
Daily Outlook
This Week in Charlestown
Friday looks like the warmest upcoming period in Charlestown at 73 degrees F.
Saturday Night is the coolest period ahead with temperatures near 34 degrees F.
The strongest winds are forecast for Friday Night at about 15 to 20 mph NW.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 13, 2026 11:45 PM EDT
- Coverage
- 6 days
- Time zone
- America/New_York
- Forecast office
- CTP
- Radar station
- KLWX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Rain showers likely. Cloudy, with a low around 58. South wind 3 to 12 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
A chance of rain showers. Partly sunny, with a high near 73. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
A chance of rain showers before 2am. Partly cloudy, with a low around 42. Chance of precipitation is 40%.
Sunny, with a high near 51.
Areas of frost after 3am. Mostly clear, with a low around 34.
Widespread frost before 9am. Sunny, with a high near 58.
Mostly clear, with a low around 40.
Mostly sunny, with a high near 62.
Partly cloudy, with a low around 46.
Mostly sunny, with a high near 65.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Thursday
Oct 15
|
Rain Showers Likely
|
63°F |
3 to 7 mph
E
|
|
Thursday Night
Oct 15
|
Rain Showers Likely
|
58°F |
3 to 12 mph
S
|
|
Friday
Oct 16
|
Chance Rain Showers
|
73°F |
9 to 14 mph
SW
|
|
Friday Night
Oct 16
|
Chance Rain Showers
|
42°F |
15 to 20 mph
NW
|
|
Saturday
Oct 17
|
Sunny
|
51°F |
12 to 20 mph
NW
|
|
Saturday Night
Oct 17
|
Mostly Clear then Areas Of Frost
|
34°F |
2 to 9 mph
W
|
|
Sunday
Oct 18
|
Widespread Frost then Sunny
|
58°F |
5 mph
SW
|
|
Sunday Night
Oct 18
|
Mostly Clear
|
40°F |
3 mph
S
|
|
Monday
Oct 19
|
Mostly Sunny
|
62°F |
5 mph
S
|
|
Monday Night
Oct 19
|
Partly Cloudy
|
46°F |
0 to 3 mph
SW
|
|
Tuesday
Oct 20
|
Mostly Sunny
|
65°F |
2 mph
NW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Charlestown.
