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 82%
Wind Speed N 7 mph
Barometer 30.05 in (1017.3 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 20 Aug 9:54 am EDT
Extended Forecast for

4 Miles SW Dayton IN

  • Today

    Today: Partly sunny, with a high near 79. North wind 9 to 11 mph.

    High: 79 °F

    Partly Sunny

  • Tonight

    Tonight: Patchy fog after 1am. Otherwise, partly cloudy, with a low around 59. North northeast wind 5 to 10 mph.

    Low: 59 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Thursday

    Thursday: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 79. North northeast wind 6 to 9 mph.

    High: 79 °F

    Patchy Fog
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 59. North northeast wind around 6 mph becoming calm in the evening.

    Low: 59 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 81. Calm wind becoming northeast around 5 mph in the afternoon.

    High: 81 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 61. Calm wind.

    Low: 61 °F

    Partly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers after 2pm. Mostly sunny, with a high near 82. Calm wind becoming west northwest 5 to 7 mph in the afternoon.

    High: 82 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Saturday Night

    Saturday Night: A 10 percent chance of showers before 8pm. Mostly clear, with a low around 56. Northwest wind 3 to 6 mph.

    Low: 56 °F

    Slight Chance
    Showers then
    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 75. Light west northwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 18 mph.

    High: 75 °F

    Sunny

Detailed Forecast

Today
Partly sunny, with a high near 79. North wind 9 to 11 mph.
Tonight
Patchy fog after 1am. Otherwise, partly cloudy, with a low around 59. North northeast wind 5 to 10 mph.
Thursday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 79. North northeast wind 6 to 9 mph.
Thursday Night
Mostly clear, with a low around 59. North northeast wind around 6 mph becoming calm in the evening.
Friday
Sunny, with a high near 81. Calm wind becoming northeast around 5 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 61. Calm wind.
Saturday
A 20 percent chance of showers after 2pm. Mostly sunny, with a high near 82. Calm wind becoming west northwest 5 to 7 mph in the afternoon.
Saturday Night
A 10 percent chance of showers before 8pm. Mostly clear, with a low around 56. Northwest wind 3 to 6 mph.
Sunday
Sunny, with a high near 75. Light west northwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 18 mph.
Sunday Night
Mostly clear, with a low around 51. West northwest wind 3 to 8 mph.
Monday
Sunny, with a high near 71.
Monday Night
Mostly clear, with a low around 49.
Tuesday
Sunny, with a high near 73.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SW Dayton IN
 40.33°N 86.83°W (Elev. 676 ft)
Last Update:
10:15 am EDT Aug 20, 2025
Forecast Valid:
10am EDT Aug 20, 2025-6pm EDT Aug 26, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation