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

80°F

27°C

Humidity 29%
Wind Speed W 20 G 30 mph
Barometer 29.77 in (1007.8 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 20 Mar 2:54 pm EDT
Extended Forecast for

Lafayette, Purdue University Airport IN

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 78. West wind around 14 mph, with gusts as high as 20 mph.

    High: 78 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 42. North northeast wind 5 to 11 mph.

    Low: 42 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 70. Light and variable wind becoming south 5 to 9 mph in the morning.

    High: 70 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 57. South southwest wind 6 to 9 mph.

    Low: 57 °F

    Mostly Clear

  • Sunday

    Sunday: Partly sunny, with a high near 77. South southwest wind 10 to 14 mph becoming west in the afternoon. Winds could gust as high as 24 mph.

    High: 77 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of rain before 2am. Mostly cloudy, with a low around 35. North wind 13 to 15 mph, with gusts as high as 26 mph.

    Low: 35 °F

    Slight Chance
    Rain

  • Monday

    Monday: Mostly sunny, with a high near 49. North wind around 11 mph, with gusts as high as 18 mph.

    High: 49 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 31. North northeast wind around 5 mph becoming calm in the evening.

    Low: 31 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 56. South southeast wind 3 to 8 mph.

    High: 56 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 78. West wind around 14 mph, with gusts as high as 20 mph.
Tonight
Mostly cloudy, with a low around 42. North northeast wind 5 to 11 mph.
Saturday
Mostly sunny, with a high near 70. Light and variable wind becoming south 5 to 9 mph in the morning.
Saturday Night
Mostly clear, with a low around 57. South southwest wind 6 to 9 mph.
Sunday
Partly sunny, with a high near 77. South southwest wind 10 to 14 mph becoming west in the afternoon. Winds could gust as high as 24 mph.
Sunday Night
A 20 percent chance of rain before 2am. Mostly cloudy, with a low around 35. North wind 13 to 15 mph, with gusts as high as 26 mph.
Monday
Mostly sunny, with a high near 49. North wind around 11 mph, with gusts as high as 18 mph.
Monday Night
Partly cloudy, with a low around 31. North northeast wind around 5 mph becoming calm in the evening.
Tuesday
Partly sunny, with a high near 56. South southeast wind 3 to 8 mph.
Tuesday Night
Mostly cloudy, with a low around 37. Southwest wind around 6 mph becoming north northeast after midnight.
Wednesday
Partly sunny, with a high near 55.
Wednesday Night
Mostly cloudy, with a low around 43.
Thursday
A 30 percent chance of rain. Partly sunny, with a high near 72.
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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:
2:45 pm EDT Mar 20, 2026
Forecast Valid:
3pm EDT Mar 20, 2026-6pm EDT Mar 26, 2026
 
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