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

74°F

23°C

Humidity 85%
Wind Speed Calm
Barometer 30.08 in (1018.2 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Last update 8 Jul 8:54 am EDT
Extended Forecast for

Lafayette IN

  • Today

    Today: Mostly sunny, with a high near 85. Light and variable wind.

    High: 85 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 68. Calm wind.

    Low: 68 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 87. Calm wind becoming west southwest 5 to 7 mph in the morning.

    High: 87 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Showers and thunderstorms likely before 2am, then showers and possibly a thunderstorm between 2am and 5am, then showers after 5am. Low around 68. Light south wind. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 68 °F

    Showers

  • Friday

    Friday: Showers, with thunderstorms also possible after 8am. High near 84. Light northwest wind. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 84 °F

    Showers then
    Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Light north northeast wind. Chance of precipitation is 40%.

    Low: 66 °F

    Chance
    T-storms then
    Chance
    Showers

  • Saturday

    Saturday: A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 84. Calm wind becoming east around 5 mph in the afternoon.

    High: 84 °F

    Chance
    Showers then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 8pm, then a slight chance of showers. Mostly cloudy, with a low around 66. East northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.

    Low: 66 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Sunday

    Sunday: A slight chance of showers, with thunderstorms also possible after 2pm. Mostly sunny, with a high near 84. Calm wind becoming northeast around 5 mph in the afternoon. Chance of precipitation is 20%.

    High: 84 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

Detailed Forecast

Today
Mostly sunny, with a high near 85. Light and variable wind.
Tonight
Mostly clear, with a low around 68. Calm wind.
Thursday
Mostly sunny, with a high near 87. Calm wind becoming west southwest 5 to 7 mph in the morning.
Thursday Night
Showers and thunderstorms likely before 2am, then showers and possibly a thunderstorm between 2am and 5am, then showers after 5am. Low around 68. Light south wind. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Friday
Showers, with thunderstorms also possible after 8am. High near 84. Light northwest wind. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Light north northeast wind. Chance of precipitation is 40%.
Saturday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 84. Calm wind becoming east around 5 mph in the afternoon.
Saturday Night
A chance of showers and thunderstorms before 8pm, then a slight chance of showers. Mostly cloudy, with a low around 66. East northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.
Sunday
A slight chance of showers, with thunderstorms also possible after 2pm. Mostly sunny, with a high near 84. Calm wind becoming northeast around 5 mph in the afternoon. Chance of precipitation is 20%.
Sunday Night
A slight chance of thunderstorms before 8pm. Mostly clear, with a low around 66. Light northeast wind. Chance of precipitation is 10%.
Monday
Sunny, with a high near 87.
Monday Night
Mostly clear, with a low around 68.
Tuesday
Sunny, with a high near 88.
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ABOUT THIS FORECAST

 
Point Forecast:
Lafayette IN
 40.42°N 86.88°W (Elev. 630 ft)
Last Update:
8:45 am EDT Jul 8, 2026
Forecast Valid:
9am EDT Jul 8, 2026-6pm EDT Jul 14, 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