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

23°C

73°F

Humidity 94%
Wind Speed Calm
Barometer 1014.5 mb (29.97 in)
Dewpoint 22°C (71°F)
Visibility 14 km
Last update 12 Jul 11:54 pm EDT
Extended Forecast for

Lafayette IN

  • Overnight

    Overnight: Patchy fog after 1am. Otherwise, partly cloudy, with a steady temperature around 22. Calm wind.

    Low: 22 °C

    Patchy Fog

  • Sunday

    Sunday: Isolated showers and thunderstorms after 2pm. Patchy fog before 9am. Otherwise, partly sunny, with a high near 29. Calm wind becoming west 5 to 10 km/h in the afternoon. Chance of precipitation is 20%.

    High: 29 °C

    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 19. Calm wind. Chance of precipitation is 20%.

    Low: 19 °C

    Isolated
    T-storms then
    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 31. Calm wind.

    High: 31 °C

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 21. Calm wind.

    Low: 21 °C

    Mostly Clear

  • Tuesday

    Tuesday: A slight chance of showers, then a chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 31. Calm wind becoming south 5 to 10 km/h in the morning. Chance of precipitation is 30%.

    High: 31 °C

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 22. Calm wind.

    Low: 22 °C

    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 31. South southwest wind 5 to 11 km/h. Chance of precipitation is 70%.

    High: 31 °C

    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 22. Southwest wind 8 to 10 km/h. Chance of precipitation is 60%.

    Low: 22 °C

    Showers
    Likely then
    Chance
    T-storms

Detailed Forecast

Overnight
Patchy fog after 1am. Otherwise, partly cloudy, with a steady temperature around 22. Calm wind.
Sunday
Isolated showers and thunderstorms after 2pm. Patchy fog before 9am. Otherwise, partly sunny, with a high near 29. Calm wind becoming west 5 to 10 km/h 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 19. Calm wind. Chance of precipitation is 20%.
Monday
Sunny, with a high near 31. Calm wind.
Monday Night
Mostly clear, with a low around 21. Calm wind.
Tuesday
A slight chance of showers, then a chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 31. Calm wind becoming south 5 to 10 km/h in the morning. Chance of precipitation is 30%.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 22. Calm wind.
Wednesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 31. South southwest wind 5 to 11 km/h. 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 22. Southwest wind 8 to 10 km/h. Chance of precipitation is 60%.
Thursday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 31. West southwest wind around 11 km/h. Chance of precipitation is 60%.
Thursday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 19. Chance of precipitation is 60%.
Friday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 29.
Friday Night
Partly cloudy, with a low around 19.
Saturday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 29.
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ABOUT THIS FORECAST

 
Point Forecast:
Lafayette IN
 40.42°N 86.88°W (Elev. 630 m)
Last Update:
12:15 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

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