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

83°F

28°C

Humidity 70%
Wind Speed Vrbl 5 mph
Barometer 30.12 in (1019.3 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index88°F (31°C)
Last update 8 Aug 10:54 am EDT
Extended Forecast for

Dayton IN

  • Today

    Today: Sunny, with a high near 89. South wind 6 to 8 mph.

    High: 89 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 70. South wind around 6 mph.

    Low: 70 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 90. South wind 6 to 10 mph.

    High: 90 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 71. South wind around 6 mph.

    Low: 71 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 88. South southwest wind 6 to 9 mph.

    High: 88 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 71. South wind around 6 mph.

    Low: 71 °F

    Partly Cloudy

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 88. Southwest wind 5 to 8 mph.

    High: 88 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Monday Night

    Monday Night: A 40 percent chance of showers and thunderstorms, mainly after 8pm. Partly cloudy, with a low around 70. South wind 3 to 6 mph.

    Low: 70 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 87. South southwest wind 3 to 7 mph.

    High: 87 °F

    Chance
    T-storms

Detailed Forecast

Today
Sunny, with a high near 89. South wind 6 to 8 mph.
Tonight
Mostly clear, with a low around 70. South wind around 6 mph.
Saturday
Sunny, with a high near 90. South wind 6 to 10 mph.
Saturday Night
Mostly clear, with a low around 71. South wind around 6 mph.
Sunday
Sunny, with a high near 88. South southwest wind 6 to 9 mph.
Sunday Night
Partly cloudy, with a low around 71. South wind around 6 mph.
Monday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 88. Southwest wind 5 to 8 mph.
Monday Night
A 40 percent chance of showers and thunderstorms, mainly after 8pm. Partly cloudy, with a low around 70. South wind 3 to 6 mph.
Tuesday
A 40 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 87. South southwest wind 3 to 7 mph.
Tuesday Night
A 30 percent chance of showers and thunderstorms, mainly after 2am. Partly cloudy, with a low around 69. South southwest wind around 5 mph becoming calm in the evening.
Wednesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 84.
Wednesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 67.
Thursday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 85.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Dayton IN
 40.37°N 86.77°W (Elev. 666 ft)
Last Update:
11:45 am EDT Aug 8, 2025
Forecast Valid:
11am EDT Aug 8, 2025-6pm EDT Aug 14, 2025
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation