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.

Overcast

22°F

-6°C

Humidity 89%
Wind Speed Calm
Barometer 29.88 in (1012.6 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Last update 2 Jan 5:54 am EST
Extended Forecast for

Lafayette, Purdue University Airport IN

  • Today

    Today: Partly sunny, with a high near 28. Calm wind becoming north northwest around 6 mph in the afternoon.

    High: 28 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 21. Light north northeast wind.

    Low: 21 °F

    Mostly Cloudy

  • Saturday

    Saturday: Cloudy, then gradually becoming mostly sunny, with a high near 33. Light northeast wind.

    High: 33 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 16. Calm wind.

    Low: 16 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 34. Calm wind.

    High: 34 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 25. Calm wind becoming south 5 to 9 mph in the evening.

    Low: 25 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 46. South southwest wind 9 to 11 mph, with gusts as high as 21 mph.

    High: 46 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 34. South southwest wind around 6 mph.

    Low: 34 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 50. South southwest wind 7 to 10 mph.

    High: 50 °F

    Partly Sunny

Detailed Forecast

Today
Partly sunny, with a high near 28. Calm wind becoming north northwest around 6 mph in the afternoon.
Tonight
Mostly cloudy, with a low around 21. Light north northeast wind.
Saturday
Cloudy, then gradually becoming mostly sunny, with a high near 33. Light northeast wind.
Saturday Night
Mostly clear, with a low around 16. Calm wind.
Sunday
Mostly sunny, with a high near 34. Calm wind.
Sunday Night
Mostly cloudy, with a low around 25. Calm wind becoming south 5 to 9 mph in the evening.
Monday
Mostly sunny, with a high near 46. South southwest wind 9 to 11 mph, with gusts as high as 21 mph.
Monday Night
Mostly cloudy, with a low around 34. South southwest wind around 6 mph.
Tuesday
Partly sunny, with a high near 50. South southwest wind 7 to 10 mph.
Tuesday Night
Mostly cloudy, with a low around 33. West southwest wind around 6 mph.
Wednesday
Partly sunny, with a high near 49.
Wednesday Night
Mostly cloudy, with a low around 36.
Thursday
A 40 percent chance of rain. Mostly cloudy, with a high near 53.
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ABOUT THIS FORECAST

 
Point Forecast:
Lafayette, Purdue University Airport IN
 40.42°N 86.94°W (Elev. 630 ft)
Last Update:
5:51 am EST Jan 2, 2026
Forecast Valid:
6am EST Jan 2, 2026-6pm EST Jan 8, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation