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

51°F

11°C

Humidity 89%
Wind Speed Calm
Barometer 30.23 in (1023.4 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 1 Sep 6:54 am EDT
Extended Forecast for

Lafayette, Purdue University Airport IN

  • Labor Day

    Labor Day: Sunny, with a high near 80. East northeast wind 3 to 6 mph.

    High: 80 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 52. Light north northeast wind.

    Low: 52 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 82. Light northeast wind.

    High: 82 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 57. Calm wind.

    Low: 57 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 82. Calm wind becoming southwest 5 to 8 mph in the morning.

    High: 82 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm, then showers after 2am. Low around 53. Southwest wind around 7 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 53 °F

    Showers

  • Thursday

    Thursday: Showers, mainly before 8am. High near 67. West northwest wind 6 to 9 mph. Chance of precipitation is 80%.

    High: 67 °F

    Showers then
    Slight Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 49. West northwest wind around 5 mph becoming calm in the evening.

    Low: 49 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 73. South southwest wind 6 to 11 mph, with gusts as high as 22 mph.

    High: 73 °F

    Mostly Sunny

Detailed Forecast

Labor Day
Sunny, with a high near 80. East northeast wind 3 to 6 mph.
Tonight
Mostly clear, with a low around 52. Light north northeast wind.
Tuesday
Sunny, with a high near 82. Light northeast wind.
Tuesday Night
Mostly clear, with a low around 57. Calm wind.
Wednesday
Sunny, with a high near 82. Calm wind becoming southwest 5 to 8 mph in the morning.
Wednesday Night
Showers likely and possibly a thunderstorm, then showers after 2am. Low around 53. Southwest wind around 7 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday
Showers, mainly before 8am. High near 67. West northwest wind 6 to 9 mph. Chance of precipitation is 80%.
Thursday Night
Mostly clear, with a low around 49. West northwest wind around 5 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 73. South southwest wind 6 to 11 mph, with gusts as high as 22 mph.
Friday Night
Partly cloudy, with a low around 48. West northwest wind 3 to 7 mph.
Saturday
Sunny, with a high near 70.
Saturday Night
Mostly clear, with a low around 46.
Sunday
Sunny, with a high near 72.
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ABOUT THIS FORECAST

 
Point Forecast:
Lafayette, Purdue University Airport IN
 40.42°N 86.91°W (Elev. 604 ft)
Last Update:
7:15 am EDT Sep 1, 2025
Forecast Valid:
7am EDT Sep 1, 2025-6pm EDT Sep 7, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation