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

81°F

27°C

Humidity 49%
Wind Speed S 3 mph
Barometer 30.12 in (1019.7 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 29 Aug 3:54 pm EDT
Extended Forecast for

West Lafayette IN

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 81. South southwest wind around 6 mph.

    High: 81 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 67. South southeast wind 3 to 6 mph.

    Low: 67 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 87. South southwest wind 5 to 10 mph, with gusts as high as 18 mph.

    High: 87 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 71. South wind around 6 mph.

    Low: 71 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 90. South southwest wind 7 to 10 mph, with gusts as high as 20 mph.

    High: 90 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 73. South southwest wind 5 to 7 mph.

    Low: 73 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny and hot, with a high near 93. Southwest wind 6 to 8 mph.

    High: 93 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 75. South southwest wind 3 to 6 mph.

    Low: 75 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 94. Southwest wind 6 to 10 mph, with gusts as high as 18 mph.

    High: 94 °F

    Hot

Detailed Forecast

This Afternoon
Partly sunny, with a high near 81. South southwest wind around 6 mph.
Tonight
Mostly cloudy, with a low around 67. South southeast wind 3 to 6 mph.
Sunday
Partly sunny, with a high near 87. South southwest wind 5 to 10 mph, with gusts as high as 18 mph.
Sunday Night
Partly cloudy, with a low around 71. South wind around 6 mph.
Monday
Mostly sunny, with a high near 90. South southwest wind 7 to 10 mph, with gusts as high as 20 mph.
Monday Night
Partly cloudy, with a low around 73. South southwest wind 5 to 7 mph.
Tuesday
Sunny and hot, with a high near 93. Southwest wind 6 to 8 mph.
Tuesday Night
Mostly clear, with a low around 75. South southwest wind 3 to 6 mph.
Wednesday
Sunny and hot, with a high near 94. Southwest wind 6 to 10 mph, with gusts as high as 18 mph.
Wednesday Night
Mostly clear, with a low around 74. South southwest wind around 5 mph.
Thursday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 90.
Thursday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 69.
Friday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87.
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ABOUT THIS FORECAST

 
Point Forecast:
West Lafayette IN
 40.46°N 86.91°W (Elev. 699 ft)
Last Update:
3:45 pm EDT Aug 29, 2026
Forecast Valid:
4pm EDT Aug 29, 2026-6pm EDT Sep 4, 2026
 
Forecast Discussion
 
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Additional Resources

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National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation