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

82°F

28°C

Humidity 46%
Wind Speed Calm
Barometer 30.11 in (1019.4 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 28 Aug 5:54 pm EDT
Extended Forecast for

Lafayette IN

  • Tonight

    Tonight: Mostly clear, with a low around 60. Light and variable wind.

    Low: 60 °F

    Mostly Clear

  • Saturday

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

    High: 82 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 66. Calm wind becoming south southeast around 5 mph after midnight.

    Low: 66 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 86. South southwest wind 6 to 11 mph, with gusts as high as 21 mph.

    High: 86 °F

    Mostly 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 89. Southwest wind 6 to 10 mph, with gusts as high as 18 mph.

    High: 89 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 73. South southwest wind around 6 mph.

    Low: 73 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 92. Southwest wind 6 to 9 mph.

    High: 92 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 74. South southwest wind 3 to 5 mph.

    Low: 74 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 60. Light and variable wind.
Saturday
Mostly sunny, with a high near 82. Light south wind.
Saturday Night
Mostly cloudy, with a low around 66. Calm wind becoming south southeast around 5 mph after midnight.
Sunday
Mostly sunny, with a high near 86. South southwest wind 6 to 11 mph, with gusts as high as 21 mph.
Sunday Night
Partly cloudy, with a low around 71. South wind around 6 mph.
Monday
Mostly sunny, with a high near 89. Southwest wind 6 to 10 mph, with gusts as high as 18 mph.
Monday Night
Mostly clear, with a low around 73. South southwest wind around 6 mph.
Tuesday
Sunny and hot, with a high near 92. Southwest wind 6 to 9 mph.
Tuesday Night
Mostly clear, with a low around 74. South southwest wind 3 to 5 mph.
Wednesday
Mostly sunny and hot, with a high near 91. Southwest wind 5 to 8 mph.
Wednesday Night
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 73.
Thursday
A 10 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.
Thursday Night
A 20 percent chance of showers. Partly cloudy, with a low around 71.
Friday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lafayette IN
 40.4°N 86.86°W (Elev. 656 ft)
Last Update:
5:45 pm EDT Aug 28, 2026
Forecast Valid:
5pm EDT Aug 28, 2026-6pm EDT Sep 4, 2026
 
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Additional Resources

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National Digital Forecast Database

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National Digital Forecast Database Weather Element Forecast

Chance of Precipitation