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

78°F

26°C

Humidity 67%
Wind Speed Vrbl 3 mph
Barometer 30.02 in (1016.0 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 27 Aug 12:54 pm EDT
Extended Forecast for

West Lafayette IN

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 80. North northwest wind around 6 mph.

    High: 80 °F

    Mostly Sunny

  • Tonight

    Tonight: Patchy fog after 2am. Otherwise, mostly clear, with a low around 58. Light north wind.

    Low: 58 °F

    Mostly Clear
    then Patchy
    Fog

  • Friday

    Friday: Areas of fog before 9am. Otherwise, sunny, with a high near 81. Calm wind.

    High: 81 °F

    Areas Fog
    then Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 58. Calm wind.

    Low: 58 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 82. Light south wind.

    High: 82 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 65. Light south wind.

    Low: 65 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 85. South southwest wind 5 to 11 mph, with gusts as high as 21 mph.

    High: 85 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 70. South wind 6 to 8 mph.

    Low: 70 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 88. Southwest wind 8 to 11 mph, with gusts as high as 20 mph.

    High: 88 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 80. North northwest wind around 6 mph.
Tonight
Patchy fog after 2am. Otherwise, mostly clear, with a low around 58. Light north wind.
Friday
Areas of fog before 9am. Otherwise, sunny, with a high near 81. Calm wind.
Friday Night
Mostly clear, with a low around 58. Calm wind.
Saturday
Mostly sunny, with a high near 82. Light south wind.
Saturday Night
Partly cloudy, with a low around 65. Light south wind.
Sunday
Mostly sunny, with a high near 85. South southwest wind 5 to 11 mph, with gusts as high as 21 mph.
Sunday Night
Partly cloudy, with a low around 70. South wind 6 to 8 mph.
Monday
Mostly sunny, with a high near 88. Southwest wind 8 to 11 mph, with gusts as high as 20 mph.
Monday Night
Partly cloudy, with a low around 72. South southwest wind 3 to 6 mph.
Tuesday
Mostly sunny, with a high near 88.
Tuesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72.
Wednesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.
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ABOUT THIS FORECAST

 
Point Forecast:
West Lafayette IN
 40.44°N 86.91°W (Elev. 699 ft)
Last Update:
1:15 pm EDT Aug 27, 2026
Forecast Valid:
1pm EDT Aug 27, 2026-6pm EDT Sep 2, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation