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

73°F

23°C

Humidity 69%
Wind Speed N 5 mph
Barometer 30.07 in (1017.8 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 28 Aug 7:54 pm EDT
Extended Forecast for

Lafayette IN

  • Tonight

    Tonight: Isolated showers before 9pm. Patchy fog after 1am. Otherwise, mostly clear, with a low around 51. North northwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.

    Low: 51 °F

    Isolated
    Showers then
    Patchy Fog

  • Friday

    Friday: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 74. Calm wind becoming northeast around 6 mph in the afternoon.

    High: 74 °F

    Patchy Fog
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 47. Light northeast wind.

    Low: 47 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 74. Light east northeast wind.

    High: 74 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 51. Light east northeast wind.

    Low: 51 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 76. Calm wind becoming east northeast around 6 mph in the afternoon.

    High: 76 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 52. Light east northeast wind.

    Low: 52 °F

    Mostly Clear

  • Labor Day

    Labor Day: Sunny, with a high near 78. Calm wind becoming east northeast around 5 mph in the afternoon.

    High: 78 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 55. Calm wind.

    Low: 55 °F

    Mostly Clear

Detailed Forecast

Tonight
Isolated showers before 9pm. Patchy fog after 1am. Otherwise, mostly clear, with a low around 51. North northwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.
Friday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 74. Calm wind becoming northeast around 6 mph in the afternoon.
Friday Night
Mostly clear, with a low around 47. Light northeast wind.
Saturday
Sunny, with a high near 74. Light east northeast wind.
Saturday Night
Mostly clear, with a low around 51. Light east northeast wind.
Sunday
Sunny, with a high near 76. Calm wind becoming east northeast around 6 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 52. Light east northeast wind.
Labor Day
Sunny, with a high near 78. Calm wind becoming east northeast around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 55. Calm wind.
Tuesday
Mostly sunny, with a high near 77. Calm wind.
Tuesday Night
Partly cloudy, with a low around 57.
Wednesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 78.
Wednesday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 54.
Thursday
A 30 percent chance of showers. Partly sunny, with a high near 66.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lafayette IN
 40.42°N 86.88°W (Elev. 630 ft)
Last Update:
7:45 pm EDT Aug 28, 2025
Forecast Valid:
8pm EDT Aug 28, 2025-6pm EDT Sep 4, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation