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

40°F

4°C

Humidity 89%
Wind Speed NE 6 mph
Barometer 30.37 in (1028.7 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill36°F (2°C)
Last update 11 Apr 3:54 am EDT
Extended Forecast for

Lafayette, Purdue University Airport IN

  • Today

    Today: Patchy frost between 7am and 8am. Otherwise, increasing clouds, with a high near 64. Northeast wind 6 to 8 mph becoming east southeast in the afternoon.

    High: 64 °F

    Patchy Frost
    then Mostly
    Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 53. East southeast wind 6 to 9 mph.

    Low: 53 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 80. Breezy, with a south southwest wind 10 to 15 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 34 mph.

    High: 80 °F

    Mostly Sunny
    then Partly
    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: A chance of showers, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 64. South southwest wind 15 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 64 °F

    Chance
    Showers then
    Showers
    Likely

  • Monday

    Monday: Showers and thunderstorms likely before 11am, then a chance of showers between 11am and 2pm, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 78. Southwest wind around 15 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 78 °F

    Showers
    Likely then
    Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 66. South southwest wind around 11 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.

    Low: 66 °F

    Chance
    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: A slight chance of thunderstorms before 8am, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 82. South southwest wind 11 to 16 mph, with gusts as high as 29 mph. Chance of precipitation is 30%.

    High: 82 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67. South southwest wind around 13 mph, with gusts as high as 23 mph.

    Low: 67 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 80. Southwest wind 11 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.

    High: 80 °F

    Showers
    Likely

Detailed Forecast

Today
Patchy frost between 7am and 8am. Otherwise, increasing clouds, with a high near 64. Northeast wind 6 to 8 mph becoming east southeast in the afternoon.
Tonight
Mostly cloudy, with a low around 53. East southeast wind 6 to 9 mph.
Sunday
Partly sunny, with a high near 80. Breezy, with a south southwest wind 10 to 15 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 34 mph.
Sunday Night
A chance of showers, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 64. South southwest wind 15 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
Showers and thunderstorms likely before 11am, then a chance of showers between 11am and 2pm, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 78. Southwest wind around 15 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday Night
A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 66. South southwest wind around 11 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.
Tuesday
A slight chance of thunderstorms before 8am, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 82. South southwest wind 11 to 16 mph, with gusts as high as 29 mph. Chance of precipitation is 30%.
Tuesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67. South southwest wind around 13 mph, with gusts as high as 23 mph.
Wednesday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 80. Southwest wind 11 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 63. Southwest wind around 8 mph. Chance of precipitation is 50%.
Thursday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 77. Chance of precipitation is 60%.
Thursday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 60. Chance of precipitation is 60%.
Friday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 79.
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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:
4:45 am EDT Apr 11, 2026
Forecast Valid:
4am EDT Apr 11, 2026-6pm EDT Apr 17, 2026
 
Forecast Discussion
 
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Additional Resources

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