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

69°F

21°C

Humidity 47%
Wind Speed Vrbl 7 mph
Barometer 30.14 in (1020.5 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 20 May 5:54 pm EDT
Extended Forecast for

2 Miles ENE Dayton IN

  • Tonight

    Tonight: Mostly cloudy, with a low around 49. North northeast wind 7 to 10 mph.

    Low: 49 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 68. East northeast wind 13 to 16 mph, with gusts as high as 23 mph.

    High: 68 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 50. East northeast wind 9 to 14 mph, with gusts as high as 20 mph.

    Low: 50 °F

    Partly Cloudy

  • Friday

    Friday: Showers likely, mainly after 2pm. Mostly cloudy, with a high near 70. East northeast wind 11 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    High: 70 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm before 2am, then showers likely. Low around 60. East wind 8 to 10 mph becoming south southeast after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 60 °F

    Showers

  • Saturday

    Saturday: Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 77. West southwest wind 8 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 77 °F

    Showers
    Likely then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: A slight chance of thunderstorms before 8pm, then a slight chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 60. West southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.

    Low: 60 °F

    Slight Chance
    T-storms

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms, mainly after 2pm. Mostly cloudy, with a high near 79. Calm wind becoming west southwest 5 to 7 mph in the afternoon.

    High: 79 °F

    Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 60. Calm wind. Chance of precipitation is 30%.

    Low: 60 °F

    Chance
    T-storms then
    Chance
    Showers

Detailed Forecast

Tonight
Mostly cloudy, with a low around 49. North northeast wind 7 to 10 mph.
Thursday
Mostly sunny, with a high near 68. East northeast wind 13 to 16 mph, with gusts as high as 23 mph.
Thursday Night
Partly cloudy, with a low around 50. East northeast wind 9 to 14 mph, with gusts as high as 20 mph.
Friday
Showers likely, mainly after 2pm. Mostly cloudy, with a high near 70. East northeast wind 11 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Friday Night
Showers and possibly a thunderstorm before 2am, then showers likely. Low around 60. East wind 8 to 10 mph becoming south southeast after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 77. West southwest wind 8 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A slight chance of thunderstorms before 8pm, then a slight chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 60. West southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.
Sunday
A 30 percent chance of showers and thunderstorms, mainly after 2pm. Mostly cloudy, with a high near 79. Calm wind becoming west southwest 5 to 7 mph in the afternoon.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 60. Calm wind. Chance of precipitation is 30%.
Memorial Day
A 30 percent chance of showers, mainly before 2pm. Mostly cloudy, with a high near 80. Northeast wind 3 to 6 mph.
Monday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 62.
Tuesday
A 30 percent chance of showers. Mostly cloudy, with a high near 81.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 65.
Wednesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 82.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ENE Dayton IN
 40.39°N 86.74°W (Elev. 656 ft)
Last Update:
6:45 pm EDT May 20, 2026
Forecast Valid:
6pm EDT May 20, 2026-6pm EDT May 27, 2026
 
Forecast Discussion
 
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Additional Resources

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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