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

86°F

30°C

Humidity 57%
Wind Speed Calm
Barometer 30.04 in (1016.6 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 14 Jul 6:54 pm EDT
Extended Forecast for

Lafayette IN

  • Tonight

    Tonight: Partly cloudy, with a low around 69. Calm wind.

    Low: 69 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Scattered showers and thunderstorms, mainly after 2pm. Patchy fog before 8am. Otherwise, partly sunny, with a high near 87. Calm wind becoming south southeast 5 to 7 mph in the afternoon. Chance of precipitation is 30%.

    High: 87 °F

    Patchy Fog
    then
    Scattered
    T-storms

  • Tuesday Night

    Tuesday Night: Scattered showers and thunderstorms, mainly after 2am. Mostly cloudy, with a low around 70. South southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%.

    Low: 70 °F

    Scattered
    T-storms

  • Wednesday

    Wednesday: Scattered showers and thunderstorms. Partly sunny, with a high near 87. Southwest wind 3 to 7 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 87 °F

    Scattered
    T-storms

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms, mainly after 2am. Partly cloudy, with a low around 72. Southwest wind around 6 mph.

    Low: 72 °F

    Chance
    T-storms

  • Thursday

    Thursday: Showers and thunderstorms likely, mainly after 2pm. Partly sunny, with a high near 87. West wind 6 to 9 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 87 °F

    Chance
    T-storms then
    T-storms
    Likely

  • Thursday Night

    Thursday Night: Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 67. West wind 5 to 7 mph becoming light and variable after midnight. Chance of precipitation is 60%.

    Low: 67 °F

    T-storms
    Likely

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms, mainly after 2pm. Partly sunny, with a high near 83. North wind 3 to 5 mph.

    High: 83 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 8pm, then a slight chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 67. Light and variable wind. Chance of precipitation is 30%.

    Low: 67 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Partly cloudy, with a low around 69. Calm wind.
Tuesday
Scattered showers and thunderstorms, mainly after 2pm. Patchy fog before 8am. Otherwise, partly sunny, with a high near 87. Calm wind becoming south southeast 5 to 7 mph in the afternoon. Chance of precipitation is 30%.
Tuesday Night
Scattered showers and thunderstorms, mainly after 2am. Mostly cloudy, with a low around 70. South southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%.
Wednesday
Scattered showers and thunderstorms. Partly sunny, with a high near 87. Southwest wind 3 to 7 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A 30 percent chance of showers and thunderstorms, mainly after 2am. Partly cloudy, with a low around 72. Southwest wind around 6 mph.
Thursday
Showers and thunderstorms likely, mainly after 2pm. Partly sunny, with a high near 87. West wind 6 to 9 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 67. West wind 5 to 7 mph becoming light and variable after midnight. Chance of precipitation is 60%.
Friday
A 30 percent chance of showers and thunderstorms, mainly after 2pm. Partly sunny, with a high near 83. North wind 3 to 5 mph.
Friday Night
A chance of showers and thunderstorms before 8pm, then a slight chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 67. Light and variable wind. Chance of precipitation is 30%.
Saturday
A 50 percent chance of showers and thunderstorms, mainly after 8am. Partly sunny, with a high near 85. Calm wind becoming south southwest around 6 mph in the afternoon.
Saturday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70.
Sunday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 86.
Sunday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 67.
Monday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 86.
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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:
6:51 pm EDT Jul 14, 2025
Forecast Valid:
7pm EDT Jul 14, 2025-6pm EDT Jul 21, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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