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

26°F

-3°C

Humidity 88%
Wind Speed Calm
Barometer 30.63 in (1037.8 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Last update 28 Mar 7:54 am EDT
Extended Forecast for

Lafayette, Purdue University Airport IN

  • Today

    Today: Sunny, with a high near 47. Calm wind becoming south southwest around 6 mph in the afternoon.

    High: 47 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 36. South wind 6 to 8 mph.

    Low: 36 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Partly sunny, with a high near 59. South southwest wind 9 to 14 mph, with gusts as high as 26 mph.

    High: 59 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 52. South southwest wind around 10 mph, with gusts as high as 20 mph.

    Low: 52 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 74. South southwest wind 10 to 15 mph, with gusts as high as 26 mph.

    High: 74 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A 20 percent chance of rain and thunderstorms after 2am. Mostly cloudy, with a low around 63. South southwest wind 13 to 15 mph, with gusts as high as 30 mph.

    Low: 63 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Tuesday

    Tuesday: A slight chance of rain and thunderstorms before 8am, then a chance of rain between 8am and 2pm, then rain likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 78. Breezy, with a south southwest wind 16 to 20 mph, with gusts as high as 38 mph. Chance of precipitation is 60%.

    High: 78 °F

    Rain Likely
    and Breezy

  • Tuesday Night

    Tuesday Night: Rain and possibly a thunderstorm. Low around 43. Southwest wind 14 to 16 mph becoming northwest after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 80%.

    Low: 43 °F

    Rain

  • Wednesday

    Wednesday: A 40 percent chance of rain. Mostly cloudy, with a high near 52. North wind around 14 mph, with gusts as high as 23 mph.

    High: 52 °F

    Chance Rain

Detailed Forecast

Today
Sunny, with a high near 47. Calm wind becoming south southwest around 6 mph in the afternoon.
Tonight
Increasing clouds, with a low around 36. South wind 6 to 8 mph.
Sunday
Partly sunny, with a high near 59. South southwest wind 9 to 14 mph, with gusts as high as 26 mph.
Sunday Night
Mostly cloudy, with a low around 52. South southwest wind around 10 mph, with gusts as high as 20 mph.
Monday
Mostly sunny, with a high near 74. South southwest wind 10 to 15 mph, with gusts as high as 26 mph.
Monday Night
A 20 percent chance of rain and thunderstorms after 2am. Mostly cloudy, with a low around 63. South southwest wind 13 to 15 mph, with gusts as high as 30 mph.
Tuesday
A slight chance of rain and thunderstorms before 8am, then a chance of rain between 8am and 2pm, then rain likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 78. Breezy, with a south southwest wind 16 to 20 mph, with gusts as high as 38 mph. Chance of precipitation is 60%.
Tuesday Night
Rain and possibly a thunderstorm. Low around 43. Southwest wind 14 to 16 mph becoming northwest after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 80%.
Wednesday
A 40 percent chance of rain. Mostly cloudy, with a high near 52. North wind around 14 mph, with gusts as high as 23 mph.
Wednesday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 35. Northeast wind around 10 mph, with gusts as high as 21 mph.
Thursday
A 50 percent chance of rain. Mostly cloudy, with a high near 51.
Thursday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 39.
Friday
A 30 percent chance of rain. Partly sunny, with a high near 63.
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ABOUT THIS FORECAST

 
Point Forecast:
Lafayette, Purdue University Airport IN
 40.42°N 86.94°W (Elev. 630 ft)
Last Update:
8:36 am EDT Mar 28, 2026
Forecast Valid:
8am EDT Mar 28, 2026-6pm EDT Apr 3, 2026
 
Forecast Discussion
 
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