National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Lafayette, Purdue University Airport (KLAF)

Lat: 40.41°NLon: 86.95°WElev: 604ft.

Overcast

60°F

16°C

Humidity 84%
Wind Speed NE 6 mph
Barometer 30.01 in (1016.1 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 11 Oct 8:54 am EDT
Extended Forecast for

Williamsport IN

  • Today

    Today: Sunny, with a high near 78. Light north northeast wind.

    High: 78 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 57. Calm wind.

    Low: 57 °F

    Mostly Clear

  • Columbus Day

    Columbus Day: Mostly cloudy, then gradually becoming sunny, with a high near 88. South southwest wind 5 to 10 mph.

    High: 88 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: Mostly clear, with a low around 69. South southwest wind around 8 mph.

    Low: 69 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 88. West southwest wind 9 to 11 mph, with gusts as high as 20 mph.

    High: 88 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A 50 percent chance of showers and thunderstorms after 2am. Mostly clear, with a low around 64. Light and variable wind. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 64 °F

    Mostly Clear
    then Chance
    T-storms

  • Wednesday

    Wednesday: A chance of showers and thunderstorms before 8am, then showers likely between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 77. North northeast wind around 6 mph. Chance of precipitation is 60%.

    High: 77 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 58. North northeast wind around 7 mph. Chance of precipitation is 50%.

    Low: 58 °F

    Chance
    Showers

  • Thursday

    Thursday: Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 73. East northeast wind around 11 mph, with gusts as high as 18 mph. Chance of precipitation is 70%.

    High: 73 °F

    Showers
    Likely

Detailed Forecast

Today
Sunny, with a high near 78. Light north northeast wind.
Tonight
Mostly clear, with a low around 57. Calm wind.
Columbus Day
Mostly cloudy, then gradually becoming sunny, with a high near 88. South southwest wind 5 to 10 mph.
Monday Night
Mostly clear, with a low around 69. South southwest wind around 8 mph.
Tuesday
Sunny, with a high near 88. West southwest wind 9 to 11 mph, with gusts as high as 20 mph.
Tuesday Night
A 50 percent chance of showers and thunderstorms after 2am. Mostly clear, with a low around 64. Light and variable wind. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
A chance of showers and thunderstorms before 8am, then showers likely between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 77. North northeast wind around 6 mph. Chance of precipitation is 60%.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 58. North northeast wind around 7 mph. Chance of precipitation is 50%.
Thursday
Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 73. East northeast wind around 11 mph, with gusts as high as 18 mph. Chance of precipitation is 70%.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 52. South southeast wind around 9 mph becoming west southwest after midnight. Chance of precipitation is 50%.
Friday
A 20 percent chance of showers. Mostly cloudy, with a high near 65.
Friday Night
Partly cloudy, with a low around 39.
Saturday
Mostly sunny, with a high near 57.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Williamsport IN
 40.28°N 87.3°W (Elev. 630 ft)
Last Update:
8:45 am EDT Oct 11, 2026
Forecast Valid:
9am EDT Oct 11, 2026-6pm EDT Oct 17, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation