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

60°F

16°C

Humidity 65%
Wind Speed NE 6 mph
Barometer 30.20 in (1022.4 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 4 Oct 10:54 pm EDT
Extended Forecast for

Dayton IN

  • Tonight

    Tonight: Clear, with a low around 46. Light north northwest wind.

    Low: 46 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 71. Calm wind becoming north northeast 5 to 8 mph in the afternoon.

    High: 71 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 43. Light and variable wind.

    Low: 43 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 73. Calm wind becoming south around 6 mph in the morning.

    High: 73 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 52. South wind 5 to 7 mph.

    Low: 52 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 79. Southwest wind 7 to 9 mph.

    High: 79 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 51. West northwest wind around 5 mph becoming calm in the evening.

    Low: 51 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 76. Calm wind becoming northwest 5 to 7 mph in the afternoon.

    High: 76 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 49. Light and variable wind.

    Low: 49 °F

    Mostly Clear

Detailed Forecast

Tonight
Clear, with a low around 46. Light north northwest wind.
Monday
Sunny, with a high near 71. Calm wind becoming north northeast 5 to 8 mph in the afternoon.
Monday Night
Clear, with a low around 43. Light and variable wind.
Tuesday
Sunny, with a high near 73. Calm wind becoming south around 6 mph in the morning.
Tuesday Night
Mostly clear, with a low around 52. South wind 5 to 7 mph.
Wednesday
Sunny, with a high near 79. Southwest wind 7 to 9 mph.
Wednesday Night
Mostly clear, with a low around 51. West northwest wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 76. Calm wind becoming northwest 5 to 7 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 49. Light and variable wind.
Friday
Sunny, with a high near 76. Calm wind becoming south southwest around 6 mph in the afternoon.
Friday Night
Mostly clear, with a low around 48.
Saturday
Sunny, with a high near 78.
Saturday Night
A 20 percent chance of showers. Partly cloudy, with a low around 53.
Sunday
A 20 percent chance of showers. Partly sunny, with a high near 79.
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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:
11:15 pm EDT Oct 4, 2026
Forecast Valid:
11pm EDT Oct 4, 2026-6pm EDT Oct 11, 2026
 
Forecast Discussion
 
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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