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.

Fog/Mist

65°F

18°C

Humidity 100%
Wind Speed W 3 mph
Barometer 29.94 in (1013.3 mb)
Dewpoint 65°F (18°C)
Visibility 2.50 mi
Last update 27 Aug 3:54 am EDT
Extended Forecast for

Lafayette IN

  • Today

    Today: Patchy fog before 8am. Otherwise, mostly sunny, with a high near 81. Calm wind becoming north northwest around 6 mph in the afternoon.

    High: 81 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tonight

    Tonight: Clear, with a low around 60. North wind around 5 mph becoming calm in the evening.

    Low: 60 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 80. Calm wind becoming north around 5 mph in the afternoon.

    High: 80 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 59. Calm wind.

    Low: 59 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 83. Light south wind.

    High: 83 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 65. Light south wind.

    Low: 65 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 86. South southwest wind 5 to 11 mph, with gusts as high as 21 mph.

    High: 86 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 70. South wind 6 to 8 mph.

    Low: 70 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 88. Southwest wind 8 to 10 mph, with gusts as high as 20 mph.

    High: 88 °F

    Mostly Sunny

Detailed Forecast

Today
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 81. Calm wind becoming north northwest around 6 mph in the afternoon.
Tonight
Clear, with a low around 60. North wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 80. Calm wind becoming north around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 59. Calm wind.
Saturday
Mostly sunny, with a high near 83. Light south wind.
Saturday Night
Partly cloudy, with a low around 65. Light south wind.
Sunday
Mostly sunny, with a high near 86. South southwest wind 5 to 11 mph, with gusts as high as 21 mph.
Sunday Night
Partly cloudy, with a low around 70. South wind 6 to 8 mph.
Monday
Mostly sunny, with a high near 88. Southwest wind 8 to 10 mph, with gusts as high as 20 mph.
Monday Night
A 20 percent chance of showers after 2am. Partly cloudy, with a low around 72. South southwest wind 3 to 6 mph.
Tuesday
A 10 percent chance of showers. Mostly sunny, with a high near 88.
Tuesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72.
Wednesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.
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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:
3:45 am EDT Aug 27, 2026
Forecast Valid:
4am EDT Aug 27, 2026-6pm EDT Sep 2, 2026
 
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Additional Resources

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National Digital Forecast Database Weather Element Forecast

Chance of Precipitation