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

42°F

6°C

Humidity 82%
Wind Speed SW 5 mph
Barometer 30.06 in (1017.9 mb)
Dewpoint 37°F (3°C)
Visibility 8.00 mi
Wind Chill39°F (4°C)
Last update 23 Nov 12:54 am EST
Extended Forecast for

4 Miles NNE Dayton IN

  • Overnight

    Overnight: Partly cloudy, with a low around 35. West wind around 9 mph.

    Low: 35 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 54. West northwest wind around 7 mph.

    High: 54 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 30. Calm wind.

    Low: 30 °F

    Mostly Clear

  • Monday

    Monday: Partly sunny, with a high near 54. Light south southeast wind becoming south 5 to 10 mph in the morning.

    High: 54 °F

    Partly Sunny

  • Monday Night

    Monday Night: Rain, mainly after 1am. Low around 46. South southeast wind around 7 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 46 °F

    Chance Rain
    then Rain

  • Tuesday

    Tuesday: A 40 percent chance of rain, mainly before 1pm. Cloudy, with a high near 58. Southwest wind 6 to 9 mph.

    High: 58 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: A 20 percent chance of rain before 1am. Mostly cloudy, with a low around 35. Southwest wind 6 to 10 mph, with gusts as high as 20 mph.

    Low: 35 °F

    Slight Chance
    Rain

  • Wednesday

    Wednesday: Mostly sunny, with a high near 42. Breezy, with a west wind 11 to 20 mph, with gusts as high as 29 mph.

    High: 42 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 23. West wind around 10 mph, with gusts as high as 18 mph.

    Low: 23 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 35. West wind around 9 mph.
Sunday
Sunny, with a high near 54. West northwest wind around 7 mph.
Sunday Night
Mostly clear, with a low around 30. Calm wind.
Monday
Partly sunny, with a high near 54. Light south southeast wind becoming south 5 to 10 mph in the morning.
Monday Night
Rain, mainly after 1am. Low around 46. South southeast wind around 7 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday
A 40 percent chance of rain, mainly before 1pm. Cloudy, with a high near 58. Southwest wind 6 to 9 mph.
Tuesday Night
A 20 percent chance of rain before 1am. Mostly cloudy, with a low around 35. Southwest wind 6 to 10 mph, with gusts as high as 20 mph.
Wednesday
Mostly sunny, with a high near 42. Breezy, with a west wind 11 to 20 mph, with gusts as high as 29 mph.
Wednesday Night
Partly cloudy, with a low around 23. West wind around 10 mph, with gusts as high as 18 mph.
Thanksgiving Day
Mostly sunny, with a high near 35. West wind 9 to 14 mph, with gusts as high as 21 mph.
Thursday Night
Partly cloudy, with a low around 19.
Friday
Mostly sunny, with a high near 34.
Friday Night
Partly cloudy, with a low around 20.
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:
4 Miles NNE Dayton IN
 40.44°N 86.74°W (Elev. 650 ft)
Last Update:
1:45 am EST Nov 23, 2025
Forecast Valid:
1am EST Nov 23, 2025-6pm EST Nov 29, 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