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

53°F

12°C

Humidity 77%
Wind Speed W 3 mph
Barometer 29.97 in (1014.5 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 7 Oct 12:54 am EDT
Extended Forecast for

Dayton IN

  • Overnight

    Overnight: Clear, with a low around 53. South southwest wind around 7 mph.

    Low: 53 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 82. South southwest wind around 10 mph, with gusts as high as 22 mph.

    High: 82 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 51. West northwest wind around 6 mph becoming calm in the evening.

    Low: 51 °F

    Mostly Clear

  • Thursday

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

    High: 76 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 47. Light and variable wind.

    Low: 47 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 78. Calm wind becoming south southeast 5 to 7 mph in the afternoon.

    High: 78 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 57. South southeast wind around 8 mph.

    Low: 57 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 83. South southwest wind 7 to 9 mph.

    High: 83 °F

    Sunny

  • Saturday Night

    Saturday Night: A 50 percent chance of showers after 2am. Partly cloudy, with a low around 60. South southeast wind around 7 mph.

    Low: 60 °F

    Partly Cloudy
    then Chance
    Showers

Detailed Forecast

Overnight
Clear, with a low around 53. South southwest wind around 7 mph.
Wednesday
Sunny, with a high near 82. South southwest wind around 10 mph, with gusts as high as 22 mph.
Wednesday Night
Mostly clear, with a low around 51. West northwest wind around 6 mph becoming calm in the evening.
Thursday
Sunny, with a high near 76. Calm wind becoming west northwest 5 to 7 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 47. Light and variable wind.
Friday
Mostly sunny, with a high near 78. Calm wind becoming south southeast 5 to 7 mph in the afternoon.
Friday Night
Mostly clear, with a low around 57. South southeast wind around 8 mph.
Saturday
Sunny, with a high near 83. South southwest wind 7 to 9 mph.
Saturday Night
A 50 percent chance of showers after 2am. Partly cloudy, with a low around 60. South southeast wind around 7 mph.
Sunday
Showers likely, mainly between 8am and 2pm. Mostly cloudy, with a high near 74. East wind around 8 mph. Chance of precipitation is 60%.
Sunday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 55.
Columbus Day
Mostly sunny, with a high near 79.
Monday Night
A 20 percent chance of showers. Partly cloudy, with a low around 56.
Tuesday
A 30 percent chance of showers. Mostly sunny, with a high near 73.
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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:
1:15 am EDT Oct 7, 2026
Forecast Valid:
1am EDT Oct 7, 2026-6pm EDT Oct 13, 2026
 
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