Williamsport, OH Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Williamsport, OH in one place.
Sunny, with a high near 90. Southeast wind around 1 mph.
Local Weather Overview
This forecast page for Williamsport, OH 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: Jul 14, 2026 7:22 PM EDT.
The active forecast window currently covers Jul 14 to Jul 20, 2026 for Williamsport, OH.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 14 to Jul 20, 2026
- Latest sync
- Jul 14, 2026 7:22 PM EDT
- Forecast office
- ILN
- Source
- NOAA / NWS
Daily Outlook
This Week in Williamsport
Thursday looks like the warmest upcoming period in Williamsport at 94 degrees F.
Sunday Night is the coolest period ahead with temperatures near 69 degrees F.
The strongest winds are forecast for Saturday at about 5 to 12 mph W.
Precipitation is mentioned in 8 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 14, 2026 7:22 PM EDT
- Coverage
- 7 days
- Time zone
- America/New_York
- Forecast office
- ILN
- Radar station
- KILN
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly clear, with a low around 70. West wind around 3 mph.
Sunny, with a high near 93. Heat index values as high as 100. West wind 2 to 6 mph.
Partly cloudy, with a low around 74. West wind around 6 mph.
Mostly sunny, with a high near 94. West wind around 6 mph.
Mostly clear, with a low around 72.
A chance of showers and thunderstorms between 8am and 11am, then a chance of showers and thunderstorms. Partly sunny, with a high near 91. Chance of precipitation is 40%.
A chance of showers and thunderstorms before 2am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 72. Chance of precipitation is 50%.
Showers and thunderstorms likely. Mostly cloudy, with a high near 88. Chance of precipitation is 70%.
Showers and thunderstorms likely before 8pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 72. Chance of precipitation is 70%.
A chance of showers and thunderstorms. Partly sunny, with a high near 87. Chance of precipitation is 40%.
A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 69. Chance of precipitation is 40%.
A chance of showers and thunderstorms after 8am. Mostly sunny, with a high near 88. Chance of precipitation is 30%.
A chance of showers and thunderstorms before 8pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 70.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
This Afternoon
Jul 14
|
Sunny
|
90°F |
1 mph
SE
|
|
Tonight
Jul 14
|
Mostly Clear
|
70°F |
3 mph
W
|
|
Wednesday
Jul 15
|
Sunny
|
93°F |
2 to 6 mph
W
|
|
Wednesday Night
Jul 15
|
Partly Cloudy
|
74°F |
6 mph
W
|
|
Thursday
Jul 16
|
Mostly Sunny
|
94°F |
6 mph
W
|
|
Thursday Night
Jul 16
|
Mostly Clear
|
72°F |
6 mph
N
|
|
Friday
Jul 17
|
Chance Showers And Thunderstorms
|
91°F |
2 to 6 mph
S
|
|
Friday Night
Jul 17
|
Chance Showers And Thunderstorms
|
72°F |
6 mph
SW
|
|
Saturday
Jul 18
|
Showers And Thunderstorms Likely
|
88°F |
5 to 12 mph
W
|
|
Saturday Night
Jul 18
|
Showers And Thunderstorms Likely then Chance Showers And Thunderstorms
|
72°F |
10 mph
W
|
|
Sunday
Jul 19
|
Chance Showers And Thunderstorms
|
87°F |
12 mph
W
|
|
Sunday Night
Jul 19
|
Chance Showers And Thunderstorms then Partly Cloudy
|
69°F |
5 to 10 mph
W
|
|
Monday
Jul 20
|
Chance Showers And Thunderstorms
|
88°F |
5 to 12 mph
SW
|
|
Monday Night
Jul 20
|
Chance Showers And Thunderstorms
|
70°F |
10 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Williamsport.