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

71°F

22°C

Humidity 71%
Wind Speed E 5 mph
Barometer 30.16 in (1020.7 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 28 Aug 9:54 am EDT
Extended Forecast for

4 Miles N Williamsport IN

  • Today

    Today: Sunny, with a high near 80. Calm wind.

    High: 80 °F

    Sunny

  • Tonight

    Tonight: Patchy fog after 4am. Otherwise, mostly clear, with a low around 60. Calm wind.

    Low: 60 °F

    Clear then
    Patchy Fog

  • Saturday

    Saturday: Patchy fog before 9am. Otherwise, sunny, with a high near 81. Calm wind becoming south around 5 mph in the afternoon.

    High: 81 °F

    Patchy Fog
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 64. South southeast wind 3 to 5 mph.

    Low: 64 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 87. South southwest wind 6 to 10 mph, with gusts as high as 18 mph.

    High: 87 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 70. South wind 5 to 7 mph.

    Low: 70 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 90. South southwest wind 7 to 9 mph.

    High: 90 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 72. South wind 5 to 7 mph.

    Low: 72 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny and hot, with a high near 92. Southwest wind 6 to 8 mph.

    High: 92 °F

    Hot

Detailed Forecast

Today
Sunny, with a high near 80. Calm wind.
Tonight
Patchy fog after 4am. Otherwise, mostly clear, with a low around 60. Calm wind.
Saturday
Patchy fog before 9am. Otherwise, sunny, with a high near 81. Calm wind becoming south around 5 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 64. South southeast wind 3 to 5 mph.
Sunday
Mostly sunny, with a high near 87. South southwest wind 6 to 10 mph, with gusts as high as 18 mph.
Sunday Night
Partly cloudy, with a low around 70. South wind 5 to 7 mph.
Monday
Mostly sunny, with a high near 90. South southwest wind 7 to 9 mph.
Monday Night
Partly cloudy, with a low around 72. South wind 5 to 7 mph.
Tuesday
Sunny and hot, with a high near 92. Southwest wind 6 to 8 mph.
Tuesday Night
Mostly clear, with a low around 73. Light south wind.
Wednesday
A 20 percent chance of showers and thunderstorms. Sunny and hot, with a high near 91.
Wednesday Night
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 72.
Thursday
Sunny and hot, with a high near 91.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles N Williamsport IN
 40.35°N 87.29°W (Elev. 656 ft)
Last Update:
9:45 am EDT Aug 28, 2026
Forecast Valid:
10am EDT Aug 28, 2026-6pm EDT Sep 3, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation