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

48°F

9°C

Humidity 46%
Wind Speed W 8 mph
Barometer 29.88 in (1011.9 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 28 Feb 12:54 am EST
Extended Forecast for

Lafayette, Purdue University Airport IN

  • Overnight

    Overnight: Mostly clear, with a low around 33. West wind around 7 mph becoming north northwest.

    Low: 33 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 51. East northeast wind 6 to 8 mph.

    High: 51 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 26. North wind 8 to 10 mph, with gusts as high as 18 mph.

    Low: 26 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 37. North northeast wind around 10 mph, with gusts as high as 18 mph.

    High: 37 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A 30 percent chance of snow after 1am. Mostly cloudy, with a low around 23. Northeast wind around 7 mph.

    Low: 23 °F

    Mostly Cloudy
    then Chance
    Snow

  • Monday

    Monday: Partly sunny, with a high near 43. East southeast wind 6 to 10 mph.

    High: 43 °F

    Partly Sunny

  • Monday Night

    Monday Night: Rain likely, mainly after 1am. Mostly cloudy, with a low around 32. East southeast wind around 7 mph. Chance of precipitation is 60%.

    Low: 32 °F

    Slight Chance
    Rain then
    Rain Likely

  • Tuesday

    Tuesday: Rain likely. Cloudy, with a high near 49. Southeast wind 6 to 8 mph becoming south southwest in the afternoon. Chance of precipitation is 70%.

    High: 49 °F

    Rain Likely

  • Tuesday Night

    Tuesday Night: Rain likely, with thunderstorms also possible after 1am. Cloudy, with a low around 38. West wind around 7 mph becoming northeast after midnight. Chance of precipitation is 60%.

    Low: 38 °F

    Rain Likely

Detailed Forecast

Overnight
Mostly clear, with a low around 33. West wind around 7 mph becoming north northwest.
Saturday
Mostly sunny, with a high near 51. East northeast wind 6 to 8 mph.
Saturday Night
Mostly cloudy, with a low around 26. North wind 8 to 10 mph, with gusts as high as 18 mph.
Sunday
Partly sunny, with a high near 37. North northeast wind around 10 mph, with gusts as high as 18 mph.
Sunday Night
A 30 percent chance of snow after 1am. Mostly cloudy, with a low around 23. Northeast wind around 7 mph.
Monday
Partly sunny, with a high near 43. East southeast wind 6 to 10 mph.
Monday Night
Rain likely, mainly after 1am. Mostly cloudy, with a low around 32. East southeast wind around 7 mph. Chance of precipitation is 60%.
Tuesday
Rain likely. Cloudy, with a high near 49. Southeast wind 6 to 8 mph becoming south southwest in the afternoon. Chance of precipitation is 70%.
Tuesday Night
Rain likely, with thunderstorms also possible after 1am. Cloudy, with a low around 38. West wind around 7 mph becoming northeast after midnight. Chance of precipitation is 60%.
Wednesday
A 50 percent chance of rain. Cloudy, with a high near 56. East wind 7 to 10 mph, with gusts as high as 20 mph.
Wednesday Night
Rain likely. Mostly cloudy, with a low around 46. Chance of precipitation is 70%.
Thursday
Rain likely. Mostly cloudy, with a high near 60. Chance of precipitation is 70%.
Thursday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 48.
Friday
Rain likely. Cloudy, with a high near 63. Chance of precipitation is 60%.
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Forecast Area
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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:
12:51 am EST Feb 28, 2026
Forecast Valid:
1am EST Feb 28, 2026-6pm EST Mar 6, 2026
 
Forecast Discussion
 
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Additional Resources

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