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

70°F

21°C

Humidity 73%
Wind Speed NE 5 mph
Barometer 30.03 in (1016.6 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 27 Aug 10:54 pm EDT
Extended Forecast for

Dayton IN

  • Tonight

    Tonight: Areas of fog after midnight. Otherwise, mostly clear, with a low around 57. Calm wind.

    Low: 57 °F

    Areas Fog

  • Friday

    Friday: Areas of fog before 10am. Otherwise, sunny, with a high near 81. Light north northeast wind.

    High: 81 °F

    Areas Fog
    then Sunny

  • Friday Night

    Friday Night: Patchy fog after 2am. Otherwise, mostly clear, with a low around 57. Calm wind.

    Low: 57 °F

    Mostly Clear
    then Patchy
    Fog

  • Saturday

    Saturday: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 82. Light southeast wind.

    High: 82 °F

    Patchy Fog
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 65. Calm wind becoming south southeast around 5 mph after midnight.

    Low: 65 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 86. South southwest wind 6 to 13 mph, with gusts as high as 21 mph.

    High: 86 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 70. South wind 7 to 9 mph, with gusts as high as 18 mph.

    Low: 70 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 88. Southwest wind 9 to 13 mph, with gusts as high as 21 mph.

    High: 88 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 73. South southwest wind 6 to 8 mph.

    Low: 73 °F

    Partly Cloudy

Detailed Forecast

Tonight
Areas of fog after midnight. Otherwise, mostly clear, with a low around 57. Calm wind.
Friday
Areas of fog before 10am. Otherwise, sunny, with a high near 81. Light north northeast wind.
Friday Night
Patchy fog after 2am. Otherwise, mostly clear, with a low around 57. Calm wind.
Saturday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 82. Light southeast wind.
Saturday Night
Partly cloudy, with a low around 65. Calm wind becoming south southeast around 5 mph after midnight.
Sunday
Mostly sunny, with a high near 86. South southwest wind 6 to 13 mph, with gusts as high as 21 mph.
Sunday Night
Partly cloudy, with a low around 70. South wind 7 to 9 mph, with gusts as high as 18 mph.
Monday
Mostly sunny, with a high near 88. Southwest wind 9 to 13 mph, with gusts as high as 21 mph.
Monday Night
Partly cloudy, with a low around 73. South southwest wind 6 to 8 mph.
Tuesday
Mostly sunny, with a high near 90. Southwest wind 8 to 10 mph.
Tuesday Night
Partly cloudy, with a low around 73.
Wednesday
Mostly sunny, with a high near 89.
Wednesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71.
Thursday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.
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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:
11:15 pm EDT Aug 27, 2026
Forecast Valid:
11pm EDT Aug 27, 2026-6pm EDT Sep 3, 2026
 
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Additional Resources

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Chance of Precipitation