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.

Overcast

67°F

19°C

Humidity 87%
Wind Speed W 8 mph
Barometer 30.07 in (1018.0 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 25 Jul 10:54 am EDT
Extended Forecast for

Lafayette, Purdue University Airport IN

  • Today

    Today: Isolated showers before 1pm, then scattered sprinkles after 1pm. Cloudy, with a high near 74. South southwest wind 5 to 7 mph. Chance of precipitation is 20%.

    High: 74 °F

    Isolated
    Showers

  • Tonight

    Tonight: Patchy fog after 2am. Otherwise, partly cloudy, with a low around 68. Light southwest wind.

    Low: 68 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Sunday

    Sunday: Patchy fog before 9am. Otherwise, partly sunny, with a high near 89. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 89 °F

    Patchy Fog
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: A chance of showers, with thunderstorms also possible after 2am. Mostly cloudy, with a low around 72. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.

    Low: 72 °F

    Chance
    Showers

  • Monday

    Monday: A slight chance of thunderstorms before 8am, then a chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 93. South southwest wind 5 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.

    High: 93 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: A 40 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 72. Southwest wind 5 to 9 mph, with gusts as high as 20 mph.

    Low: 72 °F

    Chance
    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: Mostly sunny, with a high near 87. North wind 6 to 11 mph, with gusts as high as 20 mph.

    High: 87 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 64. North wind 5 to 9 mph becoming calm after midnight. Winds could gust as high as 20 mph.

    Low: 64 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 86. Calm wind becoming north around 6 mph in the afternoon.

    High: 86 °F

    Sunny

Detailed Forecast

Today
Isolated showers before 1pm, then scattered sprinkles after 1pm. Cloudy, with a high near 74. South southwest wind 5 to 7 mph. Chance of precipitation is 20%.
Tonight
Patchy fog after 2am. Otherwise, partly cloudy, with a low around 68. Light southwest wind.
Sunday
Patchy fog before 9am. Otherwise, partly sunny, with a high near 89. Calm wind becoming southwest around 5 mph in the afternoon.
Sunday Night
A chance of showers, with thunderstorms also possible after 2am. Mostly cloudy, with a low around 72. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.
Monday
A slight chance of thunderstorms before 8am, then a chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 93. South southwest wind 5 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.
Monday Night
A 40 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 72. Southwest wind 5 to 9 mph, with gusts as high as 20 mph.
Tuesday
Mostly sunny, with a high near 87. North wind 6 to 11 mph, with gusts as high as 20 mph.
Tuesday Night
Partly cloudy, with a low around 64. North wind 5 to 9 mph becoming calm after midnight. Winds could gust as high as 20 mph.
Wednesday
Sunny, with a high near 86. Calm wind becoming north around 6 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 64. North wind around 5 mph becoming calm in the evening.
Thursday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 86.
Thursday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 66.
Friday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86.
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Forecast Area
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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:
11:15 am EDT Jul 25, 2026
Forecast Valid:
11am EDT Jul 25, 2026-6pm EDT Jul 31, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation