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

66°F

19°C

Humidity 78%
Wind Speed SW 9 mph
Barometer 29.83 in (1009.8 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 10 Mar 1:54 am EDT
Extended Forecast for

2 Miles SW Lafayette, Purdue University Airport IN

  • Overnight

    Overnight: Isolated showers after 4am. Mostly cloudy, with a steady temperature around 63. South southwest wind around 11 mph, with gusts as high as 22 mph. Chance of precipitation is 10%.

    Low: 63 °F

    Isolated
    Showers

  • Tuesday

    Tuesday: Cloudy, then gradually becoming mostly sunny, with a high near 73. South southwest wind 8 to 13 mph, with gusts as high as 22 mph.

    High: 73 °F

    Decreasing
    Clouds

  • Tuesday Night

    Tuesday Night: Scattered showers and thunderstorms, then showers and possibly a thunderstorm after 8pm. Low around 55. South wind 11 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 55 °F

    Showers
    Likely then
    T-storms

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm before 2pm, then showers likely. High near 66. Southwest wind 14 to 17 mph becoming west northwest in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

    High: 66 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers likely before 8pm. Mostly cloudy, with a low around 29. Northwest wind 10 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 29 °F

    Showers
    Likely then
    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 47. Northwest wind 5 to 9 mph.

    High: 47 °F

    Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of rain after 2am. Mostly cloudy, with a low around 39. South southwest wind 7 to 15 mph, with gusts as high as 29 mph.

    Low: 39 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Friday

    Friday: A 10 percent chance of rain before 8am. Mostly cloudy, with a high near 55. Breezy, with a south southwest wind around 20 mph, with gusts as high as 37 mph.

    High: 55 °F

    Breezy.
    Slight Chance
    Rain then
    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 32. West northwest wind 5 to 9 mph becoming light north after midnight.

    Low: 32 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Isolated showers after 4am. Mostly cloudy, with a steady temperature around 63. South southwest wind around 11 mph, with gusts as high as 22 mph. Chance of precipitation is 10%.
Tuesday
Cloudy, then gradually becoming mostly sunny, with a high near 73. South southwest wind 8 to 13 mph, with gusts as high as 22 mph.
Tuesday Night
Scattered showers and thunderstorms, then showers and possibly a thunderstorm after 8pm. Low around 55. South wind 11 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
Showers and possibly a thunderstorm before 2pm, then showers likely. High near 66. Southwest wind 14 to 17 mph becoming west northwest in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Wednesday Night
Showers likely before 8pm. Mostly cloudy, with a low around 29. Northwest wind 10 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Sunny, with a high near 47. Northwest wind 5 to 9 mph.
Thursday Night
A 20 percent chance of rain after 2am. Mostly cloudy, with a low around 39. South southwest wind 7 to 15 mph, with gusts as high as 29 mph.
Friday
A 10 percent chance of rain before 8am. Mostly cloudy, with a high near 55. Breezy, with a south southwest wind around 20 mph, with gusts as high as 37 mph.
Friday Night
Mostly cloudy, with a low around 32. West northwest wind 5 to 9 mph becoming light north after midnight.
Saturday
Mostly cloudy, with a high near 55. East wind 6 to 13 mph, with gusts as high as 22 mph.
Saturday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 43.
Sunday
Rain likely. Cloudy, with a high near 57. Breezy. Chance of precipitation is 70%.
Sunday Night
A chance of rain and snow. Mostly cloudy, with a low around 20. Chance of precipitation is 50%.
Monday
A 10 percent chance of snow. Mostly cloudy, with a high near 30.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SW Lafayette, Purdue University Airport IN
 40.42°N 86.94°W (Elev. 630 ft)
Last Update:
2:15 am EDT Mar 10, 2026
Forecast Valid:
2am EDT Mar 10, 2026-6pm EDT Mar 16, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation