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

67°F

19°C

Humidity 87%
Wind Speed Calm
Barometer 30.09 in (1018.3 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 29 Aug 11:54 pm EDT
Extended Forecast for

Lafayette IN

  • Overnight

    Overnight: Mostly cloudy, with a low around 66. Calm wind becoming south southeast around 6 mph.

    Low: 66 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 86. South southwest wind 6 to 9 mph.

    High: 86 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 71. South wind 3 to 6 mph.

    Low: 71 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 90. Southwest wind 7 to 10 mph, with gusts as high as 20 mph.

    High: 90 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 74. South southwest wind around 6 mph.

    Low: 74 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 93. Southwest wind around 7 mph.

    High: 93 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 76. Calm wind becoming south southwest around 5 mph after midnight.

    Low: 76 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 95. Southwest wind 6 to 9 mph, with gusts as high as 18 mph.

    High: 95 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 74. South southwest wind around 5 mph.

    Low: 74 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 66. Calm wind becoming south southeast around 6 mph.
Sunday
Partly sunny, with a high near 86. South southwest wind 6 to 9 mph.
Sunday Night
Partly cloudy, with a low around 71. South wind 3 to 6 mph.
Monday
Mostly sunny, with a high near 90. Southwest wind 7 to 10 mph, with gusts as high as 20 mph.
Monday Night
Mostly clear, with a low around 74. South southwest wind around 6 mph.
Tuesday
Sunny and hot, with a high near 93. Southwest wind around 7 mph.
Tuesday Night
Mostly clear, with a low around 76. Calm wind becoming south southwest around 5 mph after midnight.
Wednesday
Sunny and hot, with a high near 95. Southwest wind 6 to 9 mph, with gusts as high as 18 mph.
Wednesday Night
Mostly clear, with a low around 74. South southwest wind around 5 mph.
Thursday
A 20 percent chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 91. West wind 3 to 6 mph.
Thursday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70.
Friday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87.
Friday Night
Partly cloudy, with a low around 69.
Saturday
Mostly sunny, with a high near 86.
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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:
12:15 am EDT Aug 30, 2026
Forecast Valid:
12am EDT Aug 30, 2026-6pm EDT Sep 5, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation