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

28°F

-2°C

Humidity 63%
Wind Speed N 5 mph
Barometer 30.22 in (1024.0 mb)
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Wind Chill22°F (-6°C)
Last update 4 Jan 8:54 am EST
Extended Forecast for

Dayton IN

  • Today

    Today: Partly sunny, with a high near 34. Calm wind becoming south around 6 mph in the afternoon.

    High: 34 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 28. South wind 7 to 10 mph, with gusts as high as 20 mph.

    Low: 28 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 45. South southwest wind 7 to 10 mph, with gusts as high as 20 mph.

    High: 45 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 36. South wind 6 to 8 mph.

    Low: 36 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 53. South wind around 10 mph.

    High: 53 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 33. West wind around 6 mph.

    Low: 33 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 51. West wind 3 to 6 mph.

    High: 51 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 38. South wind around 6 mph.

    Low: 38 °F

    Partly Cloudy

  • Thursday

    Thursday: A 50 percent chance of rain, mainly after 1pm. Mostly cloudy, with a high near 55. South southeast wind 8 to 11 mph becoming west southwest in the afternoon. Winds could gust as high as 18 mph.

    High: 55 °F

    Slight Chance
    Rain then
    Chance Rain

Detailed Forecast

Today
Partly sunny, with a high near 34. Calm wind becoming south around 6 mph in the afternoon.
Tonight
Mostly cloudy, with a low around 28. South wind 7 to 10 mph, with gusts as high as 20 mph.
Monday
Mostly sunny, with a high near 45. South southwest wind 7 to 10 mph, with gusts as high as 20 mph.
Monday Night
Mostly cloudy, with a low around 36. South wind 6 to 8 mph.
Tuesday
Mostly cloudy, with a high near 53. South wind around 10 mph.
Tuesday Night
Mostly cloudy, with a low around 33. West wind around 6 mph.
Wednesday
Mostly sunny, with a high near 51. West wind 3 to 6 mph.
Wednesday Night
Partly cloudy, with a low around 38. South wind around 6 mph.
Thursday
A 50 percent chance of rain, mainly after 1pm. Mostly cloudy, with a high near 55. South southeast wind 8 to 11 mph becoming west southwest in the afternoon. Winds could gust as high as 18 mph.
Thursday Night
Rain likely. Mostly cloudy, with a low around 40. Southwest wind 6 to 8 mph becoming northeast after midnight. Chance of precipitation is 60%.
Friday
A 50 percent chance of rain. Mostly cloudy, with a high near 50.
Friday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 32.
Saturday
A slight chance of rain and snow. Partly sunny, with a high near 39. Chance of precipitation is 20%.
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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:
8:45 am EST Jan 4, 2026
Forecast Valid:
9am EST Jan 4, 2026-6pm EST Jan 10, 2026
 
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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