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

64°F

18°C

Humidity 28%
Wind Speed SW 9 mph
Barometer 30.12 in (1020.0 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 29 Mar 5:54 pm EDT
Extended Forecast for

Lafayette, Purdue University Airport IN

  • Tonight

    Tonight: Mostly cloudy, with a low around 54. South southwest wind 9 to 11 mph, with gusts as high as 21 mph.

    Low: 54 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 77. South southwest wind 10 to 15 mph, with gusts as high as 30 mph.

    High: 77 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 62. South southwest wind 11 to 14 mph, with gusts as high as 29 mph.

    Low: 62 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A slight chance of rain, then a chance of rain and thunderstorms after 11am. Mostly cloudy, with a high near 79. Breezy, with a south southwest wind 14 to 20 mph, with gusts as high as 39 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 79 °F

    Slight Chance
    T-storms then
    Chance Rain
    and Breezy

  • Tuesday Night

    Tuesday Night: A chance of rain and thunderstorms before 8pm, then rain and possibly a thunderstorm between 8pm and 5am, then rain after 5am. Low around 46. Southwest wind 11 to 14 mph becoming northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 46 °F

    Rain

  • Wednesday

    Wednesday: Rain likely, with thunderstorms also possible after 11am. Cloudy, with a high near 55. Northeast wind 10 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 55 °F

    Rain Likely

  • Wednesday Night

    Wednesday Night: Rain and possibly a thunderstorm. Low around 47. East northeast wind 11 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 80%.

    Low: 47 °F

    Rain

  • Thursday

    Thursday: Rain and possibly a thunderstorm before 2pm, then rain likely. High near 65. Southeast wind 14 to 17 mph becoming south southwest in the afternoon. Winds could gust as high as 29 mph. Chance of precipitation is 80%.

    High: 65 °F

    Rain

  • Thursday Night

    Thursday Night: Rain likely. Cloudy, with a low around 46. Southwest wind around 11 mph, with gusts as high as 22 mph. Chance of precipitation is 70%.

    Low: 46 °F

    Rain Likely

Detailed Forecast

Tonight
Mostly cloudy, with a low around 54. South southwest wind 9 to 11 mph, with gusts as high as 21 mph.
Monday
Partly sunny, with a high near 77. South southwest wind 10 to 15 mph, with gusts as high as 30 mph.
Monday Night
Mostly cloudy, with a low around 62. South southwest wind 11 to 14 mph, with gusts as high as 29 mph.
Tuesday
A slight chance of rain, then a chance of rain and thunderstorms after 11am. Mostly cloudy, with a high near 79. Breezy, with a south southwest wind 14 to 20 mph, with gusts as high as 39 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
A chance of rain and thunderstorms before 8pm, then rain and possibly a thunderstorm between 8pm and 5am, then rain after 5am. Low around 46. Southwest wind 11 to 14 mph becoming northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
Rain likely, with thunderstorms also possible after 11am. Cloudy, with a high near 55. Northeast wind 10 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
Rain and possibly a thunderstorm. Low around 47. East northeast wind 11 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 80%.
Thursday
Rain and possibly a thunderstorm before 2pm, then rain likely. High near 65. Southeast wind 14 to 17 mph becoming south southwest in the afternoon. Winds could gust as high as 29 mph. Chance of precipitation is 80%.
Thursday Night
Rain likely. Cloudy, with a low around 46. Southwest wind around 11 mph, with gusts as high as 22 mph. Chance of precipitation is 70%.
Friday
A 40 percent chance of rain. Mostly cloudy, with a high near 67. Southwest wind around 10 mph.
Friday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 52.
Saturday
Rain likely and possibly a thunderstorm. Mostly cloudy, with a high near 72. Chance of precipitation is 60%.
Saturday Night
Rain likely and possibly a thunderstorm. Mostly cloudy, with a low around 50. Chance of precipitation is 60%.
Sunday
A 40 percent chance of rain. Mostly cloudy, with a high near 59.
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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:
6:45 pm EDT Mar 29, 2026
Forecast Valid:
6pm EDT Mar 29, 2026-6pm EDT Apr 5, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation