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

50°F

10°C

Humidity 86%
Wind Speed SE 3 mph
Barometer 29.88 in (1012.0 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 25 Nov 12:54 am EST
Extended Forecast for

Dayton IN

  • Overnight

    Overnight: Showers, mainly after 4am. Patchy fog after 2am. Low around 46. South southeast wind around 7 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 46 °F

    Showers and
    Patchy Fog

  • Tuesday

    Tuesday: Showers before 11am, then patchy drizzle between 11am and 5pm, then patchy drizzle with a slight chance of rain after 5pm. Patchy fog before 11am. High near 56. South southeast wind 5 to 8 mph becoming west southwest in the afternoon. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 56 °F

    Showers and
    Patchy Fog
    then Patchy
    Drizzle

  • Tuesday Night

    Tuesday Night: A chance of rain before 4am, then a chance of rain and snow. Mostly cloudy, with a low around 34. Southwest wind 6 to 11 mph increasing to 13 to 18 mph after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 34 °F

    Chance Rain
    then Chance
    Rain/Snow

  • Wednesday

    Wednesday: A chance of snow before 7am, then a slight chance of snow after 1pm. Mostly cloudy, with a high near 38. Breezy, with a west wind 21 to 28 mph, with gusts as high as 41 mph. Chance of precipitation is 30%.

    High: 38 °F

    Chance Snow
    and Breezy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 23. West wind 13 to 16 mph, with gusts as high as 25 mph.

    Low: 23 °F

    Partly Cloudy

  • Thanksgiving Day

    Thanksgiving Day: Mostly sunny, with a high near 31. Blustery, with a west northwest wind 14 to 21 mph, with gusts as high as 30 mph.

    High: 31 °F

    Mostly Sunny
    and Blustery

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 17. West northwest wind 6 to 10 mph, with gusts as high as 18 mph.

    Low: 17 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 32. West wind around 7 mph.

    High: 32 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 30 percent chance of snow after 1am. Mostly cloudy, with a low around 21. Light and variable wind.

    Low: 21 °F

    Mostly Cloudy
    then Chance
    Snow

Detailed Forecast

Overnight
Showers, mainly after 4am. Patchy fog after 2am. Low around 46. South southeast wind around 7 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Showers before 11am, then patchy drizzle between 11am and 5pm, then patchy drizzle with a slight chance of rain after 5pm. Patchy fog before 11am. High near 56. South southeast wind 5 to 8 mph becoming west southwest in the afternoon. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
A chance of rain before 4am, then a chance of rain and snow. Mostly cloudy, with a low around 34. Southwest wind 6 to 11 mph increasing to 13 to 18 mph after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
A chance of snow before 7am, then a slight chance of snow after 1pm. Mostly cloudy, with a high near 38. Breezy, with a west wind 21 to 28 mph, with gusts as high as 41 mph. Chance of precipitation is 30%.
Wednesday Night
Partly cloudy, with a low around 23. West wind 13 to 16 mph, with gusts as high as 25 mph.
Thanksgiving Day
Mostly sunny, with a high near 31. Blustery, with a west northwest wind 14 to 21 mph, with gusts as high as 30 mph.
Thursday Night
Partly cloudy, with a low around 17. West northwest wind 6 to 10 mph, with gusts as high as 18 mph.
Friday
Mostly sunny, with a high near 32. West wind around 7 mph.
Friday Night
A 30 percent chance of snow after 1am. Mostly cloudy, with a low around 21. Light and variable wind.
Saturday
A chance of snow before 1pm, then snow likely, possibly mixed with rain. Cloudy, with a high near 35. South southeast wind 6 to 10 mph. Chance of precipitation is 60%.
Saturday Night
A chance of rain and snow. Cloudy, with a low around 28. Chance of precipitation is 40%.
Sunday
A 40 percent chance of rain. Cloudy, with a high near 39.
Sunday Night
A 40 percent chance of rain. Cloudy, with a low around 27.
Monday
A 30 percent chance of rain. Mostly cloudy, with a high near 39.
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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:
1:15 am EST Nov 25, 2025
Forecast Valid:
1am EST Nov 25, 2025-6pm EST Dec 1, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation