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.

Fair

69°F

21°C

Humidity 49%
Wind Speed SW 8 G 20 mph
Barometer 29.90 in (1012.1 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Last update 7 Oct 10:54 am EDT
Extended Forecast for

Williamsport IN

  • Today

    Today: Sunny, with a high near 83. West southwest wind 7 to 10 mph.

    High: 83 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 52. Northwest wind around 6 mph becoming calm in the evening.

    Low: 52 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 77. Calm wind becoming west northwest around 6 mph in the afternoon.

    High: 77 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 48. Calm wind.

    Low: 48 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 79. Calm wind becoming south southeast around 6 mph in the afternoon.

    High: 79 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 57. South wind around 6 mph.

    Low: 57 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 84. South wind 5 to 8 mph.

    High: 84 °F

    Sunny

  • Saturday Night

    Saturday Night: A 50 percent chance of showers after 2am. Partly cloudy, with a low around 61. South southeast wind 3 to 6 mph.

    Low: 61 °F

    Partly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: A 50 percent chance of showers. Partly sunny, with a high near 76. East wind 5 to 7 mph.

    High: 76 °F

    Chance
    Showers

Detailed Forecast

Today
Sunny, with a high near 83. West southwest wind 7 to 10 mph.
Tonight
Clear, with a low around 52. Northwest wind around 6 mph becoming calm in the evening.
Thursday
Sunny, with a high near 77. Calm wind becoming west northwest around 6 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 48. Calm wind.
Friday
Mostly sunny, with a high near 79. Calm wind becoming south southeast around 6 mph in the afternoon.
Friday Night
Mostly clear, with a low around 57. South wind around 6 mph.
Saturday
Sunny, with a high near 84. South wind 5 to 8 mph.
Saturday Night
A 50 percent chance of showers after 2am. Partly cloudy, with a low around 61. South southeast wind 3 to 6 mph.
Sunday
A 50 percent chance of showers. Partly sunny, with a high near 76. East wind 5 to 7 mph.
Sunday Night
Mostly cloudy, with a low around 56. Northeast wind around 5 mph becoming calm in the evening.
Columbus Day
Mostly sunny, with a high near 80.
Monday Night
A 20 percent chance of showers. Partly cloudy, with a low around 57.
Tuesday
A 30 percent chance of showers. Mostly sunny, with a high near 74.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Williamsport IN
 40.28°N 87.27°W (Elev. 499 ft)
Last Update:
10:45 am EDT Oct 7, 2026
Forecast Valid:
11am EDT Oct 7, 2026-6pm EDT Oct 13, 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