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

59°F

15°C

Humidity 83%
Wind Speed NE 6 mph
Barometer 30.20 in (1022.3 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 3 Aug 7:54 am EDT
Extended Forecast for

Dayton IN

  • Today

    Today: Sunny, with a high near 77. Light east northeast wind becoming east 5 to 10 mph in the morning.

    High: 77 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 60. East northeast wind around 6 mph becoming calm after midnight.

    Low: 60 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 82. Calm wind becoming east 5 to 7 mph in the morning.

    High: 82 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 63. East wind around 6 mph becoming calm in the evening.

    Low: 63 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 83. Calm wind becoming east southeast around 6 mph in the afternoon.

    High: 83 °F

    Partly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 65. Light east southeast wind.

    Low: 65 °F

    Chance
    T-storms then
    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 84. Light southeast wind.

    High: 84 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 65. Light south southeast wind.

    Low: 65 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 85. Calm wind becoming south southeast around 5 mph in the afternoon.

    High: 85 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 77. Light east northeast wind becoming east 5 to 10 mph in the morning.
Tonight
Mostly clear, with a low around 60. East northeast wind around 6 mph becoming calm after midnight.
Monday
Mostly sunny, with a high near 82. Calm wind becoming east 5 to 7 mph in the morning.
Monday Night
Mostly cloudy, with a low around 63. East wind around 6 mph becoming calm in the evening.
Tuesday
A 30 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 83. Calm wind becoming east southeast around 6 mph in the afternoon.
Tuesday Night
A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 65. Light east southeast wind.
Wednesday
Sunny, with a high near 84. Light southeast wind.
Wednesday Night
Mostly clear, with a low around 65. Light south southeast wind.
Thursday
Sunny, with a high near 85. Calm wind becoming south southeast around 5 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 66. Light south southeast wind.
Friday
Sunny, with a high near 86.
Friday Night
Mostly clear, with a low around 68.
Saturday
Sunny, with a high near 88.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Dayton IN
 40.37°N 86.77°W (Elev. 666 ft)
Last Update:
8:15 am EDT Aug 3, 2025
Forecast Valid:
8am EDT Aug 3, 2025-6pm EDT Aug 9, 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