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

52°F

11°C

Humidity 93%
Wind Speed Calm
Barometer 30.18 in (1022.0 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 3 Oct 11:54 pm EDT
Extended Forecast for

Lafayette, Purdue University Airport IN

  • Overnight

    Overnight: Mostly clear, with a low around 44. Calm wind.

    Low: 44 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 74. Calm wind becoming northwest 5 to 7 mph in the afternoon.

    High: 74 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 46. North northwest wind around 5 mph becoming calm in the evening.

    Low: 46 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 69. Calm wind becoming north northeast around 5 mph.

    High: 69 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 42. Calm wind.

    Low: 42 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 72. Calm wind becoming south 5 to 7 mph in the afternoon.

    High: 72 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 50. South southwest wind around 6 mph.

    Low: 50 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 78. Southwest wind 5 to 8 mph.

    High: 78 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 49. Northwest wind around 5 mph becoming calm in the evening.

    Low: 49 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 44. Calm wind.
Sunday
Sunny, with a high near 74. Calm wind becoming northwest 5 to 7 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 46. North northwest wind around 5 mph becoming calm in the evening.
Monday
Sunny, with a high near 69. Calm wind becoming north northeast around 5 mph.
Monday Night
Clear, with a low around 42. Calm wind.
Tuesday
Sunny, with a high near 72. Calm wind becoming south 5 to 7 mph in the afternoon.
Tuesday Night
Clear, with a low around 50. South southwest wind around 6 mph.
Wednesday
Sunny, with a high near 78. Southwest wind 5 to 8 mph.
Wednesday Night
Mostly clear, with a low around 49. Northwest wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 74. Calm wind becoming northwest 5 to 7 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 50.
Friday
Sunny, with a high near 74.
Friday Night
Mostly clear, with a low around 51.
Saturday
Mostly sunny, with a high near 77.
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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:
12:45 am EDT Oct 4, 2026
Forecast Valid:
12am EDT Oct 4, 2026-6pm EDT Oct 10, 2026
 
Forecast Discussion
 
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