Williamsport, PA Weather Forecast
Local 7-day forecast
Mostly Cloudy then Slight Chance Rain Showers
Track current conditions, temperature changes, wind, and the full daily outlook for Williamsport, PA in one place.
A slight chance of rain showers after 2pm. Mostly cloudy, with a high near 72.
Local Weather Overview
This forecast page for Williamsport, 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 9, 2026 3:36 PM EDT.
The active forecast window currently covers Apr 13 to Apr 15, 2026 for Williamsport, PA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 13 to Apr 15, 2026
- Latest sync
- Apr 9, 2026 3:36 PM EDT
- Forecast office
- CTP
- Source
- NOAA / NWS
Daily Outlook
This Week in Williamsport
Wednesday looks like the warmest upcoming period in Williamsport at 81 degrees F.
Monday Night is the coolest period ahead with temperatures near 57 degrees F.
The strongest winds are forecast for Monday at about 3 to 12 mph SW.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 9, 2026 3:36 PM EDT
- Coverage
- 3 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 slight chance of rain showers before 2am. Mostly cloudy, with a low around 57.
A slight chance of rain showers after 2pm. Mostly cloudy, with a high near 78.
A chance of rain showers. Mostly cloudy, with a low around 60. Chance of precipitation is 30%.
A chance of rain showers. Mostly cloudy, with a high near 81. Chance of precipitation is 30%.
A chance of rain showers before 2am. Mostly cloudy, with a low around 59.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Monday
Apr 13
|
Mostly Cloudy then Slight Chance Rain Showers
|
72°F |
3 to 12 mph
SW
|
|
Monday Night
Apr 13
|
Slight Chance Rain Showers
|
57°F |
3 to 12 mph
W
|
|
Tuesday
Apr 14
|
Mostly Cloudy then Slight Chance Rain Showers
|
78°F |
2 to 10 mph
SW
|
|
Tuesday Night
Apr 14
|
Chance Rain Showers
|
60°F |
2 to 8 mph
SW
|
|
Wednesday
Apr 15
|
Chance Rain Showers
|
81°F |
2 to 10 mph
SW
|
|
Wednesday Night
Apr 15
|
Chance Rain Showers
|
59°F |
5 to 8 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Williamsport.
