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

73°F

23°C

Humidity 94%
Wind Speed Calm
Barometer 29.97 in (1014.5 mb)
Dewpoint 71°F (22°C)
Visibility 9.00 mi
Last update 12 Jul 11:54 pm EDT
Extended Forecast for

Lafayette, Purdue University Airport IN

  • Overnight

    Overnight: Patchy fog after 1am. Otherwise, partly cloudy, with a low around 67. Light west wind.

    Low: 67 °F

    Patchy Fog

  • Sunday

    Sunday: Isolated showers and thunderstorms after 2pm. Patchy fog before 9am. Otherwise, partly sunny, with a high near 85. Calm wind becoming west 5 to 7 mph in the afternoon. Chance of precipitation is 20%.

    High: 85 °F

    Patchy Fog
    then Isolated
    T-storms

  • Sunday Night

    Sunday Night: Isolated showers and thunderstorms before 11pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 66. Light and variable wind. Chance of precipitation is 20%.

    Low: 66 °F

    Isolated
    T-storms then
    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 86. Light southwest wind.

    High: 86 °F

    Sunny

  • Monday Night

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

    Low: 68 °F

    Mostly Clear

  • Tuesday

    Tuesday: A slight chance of showers, then a chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 87. Calm wind becoming south around 6 mph in the morning. Chance of precipitation is 30%.

    High: 87 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70. South wind around 5 mph becoming calm in the evening.

    Low: 70 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 87. South southwest wind 5 to 9 mph. Chance of precipitation is 70%.

    High: 87 °F

    Chance
    T-storms then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms after 8pm. Mostly cloudy, with a low around 70. Southwest wind around 7 mph. Chance of precipitation is 60%.

    Low: 70 °F

    Showers
    Likely then
    Chance
    T-storms

Detailed Forecast

Overnight
Patchy fog after 1am. Otherwise, partly cloudy, with a low around 67. Light west wind.
Sunday
Isolated showers and thunderstorms after 2pm. Patchy fog before 9am. Otherwise, partly sunny, with a high near 85. Calm wind becoming west 5 to 7 mph in the afternoon. Chance of precipitation is 20%.
Sunday Night
Isolated showers and thunderstorms before 11pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 66. Light and variable wind. Chance of precipitation is 20%.
Monday
Sunny, with a high near 86. Light southwest wind.
Monday Night
Mostly clear, with a low around 68. Calm wind.
Tuesday
A slight chance of showers, then a chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 87. Calm wind becoming south around 6 mph in the morning. Chance of precipitation is 30%.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70. South wind around 5 mph becoming calm in the evening.
Wednesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 87. South southwest wind 5 to 9 mph. Chance of precipitation is 70%.
Wednesday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms after 8pm. Mostly cloudy, with a low around 70. Southwest wind around 7 mph. Chance of precipitation is 60%.
Thursday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 87. West southwest wind 7 to 9 mph.
Thursday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67.
Friday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 83.
Friday Night
Partly cloudy, with a low around 65.
Saturday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 84.
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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:
12:45 am EDT Jul 13, 2025
Forecast Valid:
12am EDT Jul 13, 2025-6pm EDT Jul 19, 2025
 
Forecast Discussion
 
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Additional Resources

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