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.

Overcast

72°F

22°C

Humidity 87%
Wind Speed N 5 mph
Barometer 29.96 in (1013.9 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 5 Jul 11:54 pm EDT
Extended Forecast for

Lafayette, Purdue University Airport IN

  • Overnight

    Overnight: Isolated showers before 1am. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 66. North wind 3 to 5 mph. Chance of precipitation is 20%.

    Low: 66 °F

    Isolated
    Showers and
    Patchy Fog

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms, mainly between 2pm and 4pm. Patchy fog before 9am. Otherwise, partly sunny, with a high near 81. North northeast wind 5 to 8 mph.

    High: 81 °F

    Patchy Fog
    then Chance
    T-storms

  • Monday Night

    Monday Night: A 10 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 64. North northeast wind around 6 mph becoming calm in the evening.

    Low: 64 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 84. Calm wind becoming north northeast around 6 mph in the afternoon.

    High: 84 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 64. Light northeast wind.

    Low: 64 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 86. Calm wind.

    High: 86 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 67. Calm wind.

    Low: 67 °F

    Mostly Clear

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 86. Southwest wind 3 to 8 mph.

    High: 86 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 8pm. Mostly cloudy, with a low around 69. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%.

    Low: 69 °F

    Showers
    Likely

Detailed Forecast

Overnight
Isolated showers before 1am. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 66. North wind 3 to 5 mph. Chance of precipitation is 20%.
Monday
A 30 percent chance of showers and thunderstorms, mainly between 2pm and 4pm. Patchy fog before 9am. Otherwise, partly sunny, with a high near 81. North northeast wind 5 to 8 mph.
Monday Night
A 10 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 64. North northeast wind around 6 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 84. Calm wind becoming north northeast around 6 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 64. Light northeast wind.
Wednesday
Sunny, with a high near 86. Calm wind.
Wednesday Night
Mostly clear, with a low around 67. Calm wind.
Thursday
A 30 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 86. Southwest wind 3 to 8 mph.
Thursday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 8pm. Mostly cloudy, with a low around 69. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%.
Friday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 83. Calm wind becoming west southwest around 6 mph in the afternoon. Chance of precipitation is 70%.
Friday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 66. Chance of precipitation is 60%.
Saturday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 83.
Saturday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64.
Sunday
Mostly sunny, with a high near 84.
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ABOUT THIS FORECAST

 
Point Forecast:
Lafayette, Purdue University Airport IN
 40.42°N 86.91°W (Elev. 604 ft)
Last Update:
12:15 am EDT Jul 6, 2026
Forecast Valid:
12am EDT Jul 6, 2026-6pm EDT Jul 12, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation