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 and patchy fog before 2pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 74. East wind around 2 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: May 24, 2026 1:47 PM EDT.
The active forecast window currently covers May 26 to May 30, 2026 for Charlestown, PA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- May 26 to May 30, 2026
- Latest sync
- May 24, 2026 1:47 PM EDT
- Forecast office
- CTP
- Source
- NOAA / NWS
Daily Outlook
This Week in Charlestown
Wednesday looks like the warmest upcoming period in Charlestown at 77 degrees F.
Friday Night is the coolest period ahead with temperatures near 53 degrees F.
The strongest winds are forecast for Friday Night at about 6 mph N.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- May 24, 2026 1:47 PM EDT
- Coverage
- 5 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
A chance of rain showers before 8pm, then a chance of rain showers and patchy fog between 2am and 3am, then areas of fog and a chance of rain showers. Mostly cloudy, with a low around 62. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
A chance of rain showers and patchy fog before 2pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 77. Chance of precipitation is 40%.
A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 61. Chance of precipitation is 40%.
A slight chance of rain showers after 8am. Partly sunny, with a high near 76.
A slight chance of rain showers before 8pm. Partly cloudy, with a low around 56.
Sunny, with a high near 71.
Partly cloudy, with a low around 53.
Mostly sunny, with a high near 70.
Partly cloudy, with a low around 53.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
May 26
|
Rain Showers Likely
|
74°F |
2 mph
E
|
|
Tuesday Night
May 26
|
Chance Rain Showers
|
62°F |
2 mph
S
|
|
Wednesday
May 27
|
Chance Rain Showers then Chance Showers And Thunderstorms
|
77°F |
2 mph
W
|
|
Wednesday Night
May 27
|
Chance Showers And Thunderstorms
|
61°F |
3 mph
NW
|
|
Thursday
May 28
|
Slight Chance Rain Showers
|
76°F |
5 mph
N
|
|
Thursday Night
May 28
|
Slight Chance Rain Showers then Partly Cloudy
|
56°F |
5 mph
N
|
|
Friday
May 29
|
Sunny
|
71°F |
5 mph
NW
|
|
Friday Night
May 29
|
Partly Cloudy
|
53°F |
6 mph
N
|
|
Saturday
May 30
|
Mostly Sunny
|
70°F |
6 mph
N
|
|
Saturday Night
May 30
|
Partly Cloudy
|
53°F |
5 mph
NE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Charlestown.