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

44°F

7°C

Humidity 85%
Wind Speed NE 6 mph
Barometer 30.37 in (1028.4 mb)
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 11 Apr 12:54 am EDT
Extended Forecast for

Lafayette IN

  • Overnight

    Overnight: Mostly clear, with a low around 38. Light northeast wind.

    Low: 38 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 64. Northeast wind 3 to 6 mph.

    High: 64 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 54. East southeast wind 3 to 7 mph.

    Low: 54 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 80. South southwest wind 9 to 17 mph, with gusts as high as 31 mph.

    High: 80 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A chance of rain, then rain likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 64. South southwest wind 14 to 16 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 Rain
    then Rain
    Likely

  • Monday

    Monday: Rain and thunderstorms likely before 11am, then a chance of rain between 11am and 2pm, then a chance of rain 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

    Rain Likely
    then Chance
    T-storms

  • Monday Night

    Monday Night: A chance of rain and thunderstorms before 11pm, then a chance of rain between 11pm and 2am, then a chance of rain and thunderstorms after 2am. Mostly cloudy, with a low around 67. South southwest wind around 11 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.

    Low: 67 °F

    Chance
    T-storms then
    Chance Rain

  • Tuesday

    Tuesday: A slight chance of thunderstorms before 8am, then a chance of rain and thunderstorms after 2pm. Partly sunny, with a high near 82. South southwest wind 10 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 30%.

    High: 82 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 50 percent chance of rain and thunderstorms. Mostly cloudy, with a low around 68. South southwest wind 11 to 13 mph, with gusts as high as 23 mph.

    Low: 68 °F

    Chance
    T-storms

Detailed Forecast

Overnight
Mostly clear, with a low around 38. Light northeast wind.
Saturday
Mostly sunny, with a high near 64. Northeast wind 3 to 6 mph.
Saturday Night
Mostly cloudy, with a low around 54. East southeast wind 3 to 7 mph.
Sunday
Partly sunny, with a high near 80. South southwest wind 9 to 17 mph, with gusts as high as 31 mph.
Sunday Night
A chance of rain, then rain likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 64. South southwest wind 14 to 16 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
Rain and thunderstorms likely before 11am, then a chance of rain between 11am and 2pm, then a chance of rain 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 rain and thunderstorms before 11pm, then a chance of rain between 11pm and 2am, then a chance of rain and thunderstorms after 2am. Mostly cloudy, with a low around 67. 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 rain and thunderstorms after 2pm. Partly sunny, with a high near 82. South southwest wind 10 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 30%.
Tuesday Night
A 50 percent chance of rain and thunderstorms. Mostly cloudy, with a low around 68. South southwest wind 11 to 13 mph, with gusts as high as 23 mph.
Wednesday
Rain likely and possibly a thunderstorm. Mostly cloudy, with a high near 80. Southwest wind 10 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 70%.
Wednesday Night
A 50 percent chance of rain and thunderstorms. Mostly cloudy, with a low around 64.
Thursday
Rain likely and possibly a thunderstorm. Mostly cloudy, with a high near 78. Chance of precipitation is 60%.
Thursday Night
Rain and thunderstorms likely. Mostly cloudy, with a low around 60. Chance of precipitation is 60%.
Friday
A 30 percent chance of rain and thunderstorms. Partly sunny, with a high near 79.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lafayette IN
 40.42°N 86.88°W (Elev. 630 ft)
Last Update:
1:15 am EDT Apr 11, 2026
Forecast Valid:
1am EDT Apr 11, 2026-6pm EDT Apr 17, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation