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

66°F

19°C

Humidity 84%
Wind Speed Calm
Barometer 30.17 in (1021.4 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 29 Aug 8:54 am EDT
Extended Forecast for

Lafayette IN

  • Today

    Today: Mostly sunny, with a high near 82. Calm wind becoming south southwest around 5 mph in the afternoon.

    High: 82 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 66. Light south southeast wind.

    Low: 66 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 85. South southwest wind 5 to 10 mph, with gusts as high as 18 mph.

    High: 85 °F

    Partly Sunny

  • Sunday Night

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

    Low: 71 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 90. Southwest wind 6 to 9 mph, with gusts as high as 18 mph.

    High: 90 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 73. South southwest wind 3 to 6 mph.

    Low: 73 °F

    Mostly Clear

  • Tuesday

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

  • Wednesday

    Wednesday: Sunny and hot, with a high near 93. Southwest wind 6 to 9 mph, with gusts as high as 18 mph.

    High: 93 °F

    Hot

Detailed Forecast

Today
Mostly sunny, with a high near 82. Calm wind becoming south southwest around 5 mph in the afternoon.
Tonight
Mostly cloudy, with a low around 66. Light south southeast wind.
Sunday
Partly sunny, with a high near 85. South southwest wind 5 to 10 mph, with gusts as high as 18 mph.
Sunday Night
Partly cloudy, with a low around 71. South southwest wind around 6 mph.
Monday
Mostly sunny, with a high near 90. Southwest wind 6 to 9 mph, with gusts as high as 18 mph.
Monday Night
Mostly clear, with a low around 73. South southwest wind 3 to 6 mph.
Tuesday
Mostly sunny and hot, with a high near 92. Southwest wind 6 to 8 mph.
Tuesday Night
Mostly clear, with a low around 74. South southwest wind 3 to 5 mph.
Wednesday
Sunny and hot, with a high near 93. Southwest wind 6 to 9 mph, with gusts as high as 18 mph.
Wednesday Night
A 20 percent chance of showers and thunderstorms after 2am. Mostly clear, with a low around 72. Light southwest wind.
Thursday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.
Thursday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70.
Friday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lafayette IN
 40.42°N 86.88°W (Elev. 630 ft)
Last Update:
8:45 am EDT Aug 29, 2026
Forecast Valid:
9am EDT Aug 29, 2026-6pm EDT Sep 4, 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