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

65°F

18°C

Humidity 59%
Wind Speed NW 9 mph
Barometer 29.90 in (1012.3 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 7 Oct 9:54 pm EDT
Extended Forecast for

4 Miles SW Dayton IN

  • Tonight

    Tonight: Clear, with a low around 51. West northwest wind 3 to 5 mph.

    Low: 51 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 75. West wind 3 to 8 mph.

    High: 75 °F

    Sunny

  • Thursday Night

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

    Low: 49 °F

    Clear

  • Friday

    Friday: Mostly sunny, with a high near 79. South southeast wind 3 to 7 mph.

    High: 79 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 59. South southeast wind around 7 mph.

    Low: 59 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 84. South wind 7 to 9 mph.

    High: 84 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Showers likely, then showers and possibly a thunderstorm after 2am. Low around 57. Southeast wind around 8 mph. Chance of precipitation is 90%.

    Low: 57 °F

    Showers

  • Sunday

    Sunday: Showers and possibly a thunderstorm before 8am, then a chance of showers between 8am and 2pm. High near 73. East southeast wind around 8 mph. Chance of precipitation is 80%.

    High: 73 °F

    Showers then
    Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 56. Northeast wind around 5 mph becoming calm in the evening.

    Low: 56 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Clear, with a low around 51. West northwest wind 3 to 5 mph.
Thursday
Sunny, with a high near 75. West wind 3 to 8 mph.
Thursday Night
Clear, with a low around 49. Light and variable wind.
Friday
Mostly sunny, with a high near 79. South southeast wind 3 to 7 mph.
Friday Night
Mostly clear, with a low around 59. South southeast wind around 7 mph.
Saturday
Mostly sunny, with a high near 84. South wind 7 to 9 mph.
Saturday Night
Showers likely, then showers and possibly a thunderstorm after 2am. Low around 57. Southeast wind around 8 mph. Chance of precipitation is 90%.
Sunday
Showers and possibly a thunderstorm before 8am, then a chance of showers between 8am and 2pm. High near 73. East southeast wind around 8 mph. Chance of precipitation is 80%.
Sunday Night
Mostly cloudy, with a low around 56. Northeast wind around 5 mph becoming calm in the evening.
Columbus Day
Mostly sunny, with a high near 81. Calm wind becoming west southwest 5 to 8 mph in the afternoon.
Monday Night
A 20 percent chance of showers. Partly cloudy, with a low around 54.
Tuesday
A 20 percent chance of showers. Mostly sunny, with a high near 67.
Tuesday Night
Partly cloudy, with a low around 43.
Wednesday
Mostly sunny, with a high near 66.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SW Dayton IN
 40.33°N 86.83°W (Elev. 676 ft)
Last Update:
10:01 pm EDT Oct 7, 2026
Forecast Valid:
10pm EDT Oct 7, 2026-6pm EDT Oct 14, 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