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

72°F

22°C

Humidity 52%
Wind Speed NW 3 mph
Barometer 29.96 in (1014.3 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Last update 19 Jun 8:54 pm EDT
Extended Forecast for

Dayton IN

  • Tonight

    Tonight: Scattered sprinkles after 4am. Increasing clouds, with a low around 59. West wind around 5 mph becoming calm in the evening.

    Low: 59 °F

    Scattered
    Sprinkles

  • Saturday

    Saturday: Isolated showers before 8am, then scattered sprinkles between 8am and 9am. Cloudy through mid morning, then gradual clearing, with a high near 79. West wind 5 to 10 mph. Chance of precipitation is 10%.

    High: 79 °F

    Isolated
    Showers then
    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 58. West northwest wind around 6 mph becoming calm in the evening.

    Low: 58 °F

    Partly Cloudy

  • Sunday

    Sunday: Isolated showers, then showers and possibly a thunderstorm after 2pm. High near 77. Calm wind becoming east southeast 5 to 8 mph in the morning. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 77 °F

    Isolated
    Showers then
    Showers

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm before 2am, then showers likely. Some of the storms could produce heavy rainfall. Low around 61. East southeast wind 13 to 15 mph becoming southwest after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.

    Low: 61 °F

    Heavy Rain

  • Monday

    Monday: Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 74. North northeast wind 11 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 74 °F

    Showers
    Likely then
    Chance
    Showers

  • Monday Night

    Monday Night: A 10 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 54. North wind 5 to 11 mph, with gusts as high as 20 mph.

    Low: 54 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 75. North wind 3 to 5 mph.

    High: 75 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 56. Light and variable wind.

    Low: 56 °F

    Partly Cloudy

Detailed Forecast

Tonight
Scattered sprinkles after 4am. Increasing clouds, with a low around 59. West wind around 5 mph becoming calm in the evening.
Saturday
Isolated showers before 8am, then scattered sprinkles between 8am and 9am. Cloudy through mid morning, then gradual clearing, with a high near 79. West wind 5 to 10 mph. Chance of precipitation is 10%.
Saturday Night
Partly cloudy, with a low around 58. West northwest wind around 6 mph becoming calm in the evening.
Sunday
Isolated showers, then showers and possibly a thunderstorm after 2pm. High near 77. Calm wind becoming east southeast 5 to 8 mph in the morning. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Sunday Night
Showers and possibly a thunderstorm before 2am, then showers likely. Some of the storms could produce heavy rainfall. Low around 61. East southeast wind 13 to 15 mph becoming southwest after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
Monday
Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 74. North northeast wind 11 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday Night
A 10 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 54. North wind 5 to 11 mph, with gusts as high as 20 mph.
Tuesday
Sunny, with a high near 75. North wind 3 to 5 mph.
Tuesday Night
Partly cloudy, with a low around 56. Light and variable wind.
Wednesday
A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 76. Calm wind becoming west southwest 5 to 7 mph in the afternoon.
Wednesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 57.
Thursday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 76.
Thursday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 57.
Friday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 77.
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ABOUT THIS FORECAST

 
Point Forecast:
Dayton IN
 40.37°N 86.77°W (Elev. 666 ft)
Last Update:
8:45 pm EDT Jun 19, 2026
Forecast Valid:
9pm EDT Jun 19, 2026-6pm EDT Jun 26, 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