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.

Overcast

61°F

16°C

Humidity 46%
Wind Speed E 15 mph
Barometer 30.17 in (1021.5 mb)
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Last update 21 May 10:54 pm EDT
Extended Forecast for

2 Miles ENE Dayton IN

  • Tonight

    Tonight: Mostly cloudy, with a low around 50. East wind around 10 mph, with gusts as high as 20 mph.

    Low: 50 °F

    Mostly Cloudy

  • Friday

    Friday: A 30 percent chance of showers, mainly after 3pm. Mostly cloudy, with a high near 70. East northeast wind 10 to 13 mph, with gusts as high as 21 mph.

    High: 70 °F

    Mostly Cloudy
    then Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers before 11pm, then a chance of showers and thunderstorms between 11pm and 2am, then showers likely and possibly a thunderstorm after 2am. Cloudy, with a low around 58. East wind 7 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 58 °F

    Showers
    Likely

  • Saturday

    Saturday: Showers likely, mainly before 8am. Mostly cloudy, with a high near 75. North northeast wind 6 to 9 mph becoming west northwest in the afternoon. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 75 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A 10 percent chance of showers before 8pm. Mostly cloudy, with a low around 58. Northwest wind around 5 mph becoming calm in the evening.

    Low: 58 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Sunday

    Sunday: A 50 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 80. Calm wind becoming west southwest around 6 mph in the afternoon. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 80 °F

    Partly Sunny
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 59. Calm wind. Chance of precipitation is 30%.

    Low: 59 °F

    Chance
    T-storms then
    Chance
    Showers

  • Memorial Day

    Memorial Day: A 20 percent chance of showers after 8am. Partly sunny, with a high near 81. Calm wind becoming east around 6 mph in the afternoon.

    High: 81 °F

    Slight Chance
    Showers

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 62. Light east southeast wind.

    Low: 62 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 50. East wind around 10 mph, with gusts as high as 20 mph.
Friday
A 30 percent chance of showers, mainly after 3pm. Mostly cloudy, with a high near 70. East northeast wind 10 to 13 mph, with gusts as high as 21 mph.
Friday Night
A chance of showers before 11pm, then a chance of showers and thunderstorms between 11pm and 2am, then showers likely and possibly a thunderstorm after 2am. Cloudy, with a low around 58. East wind 7 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
Showers likely, mainly before 8am. Mostly cloudy, with a high near 75. North northeast wind 6 to 9 mph becoming west northwest in the afternoon. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
A 10 percent chance of showers before 8pm. Mostly cloudy, with a low around 58. Northwest wind around 5 mph becoming calm in the evening.
Sunday
A 50 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 80. Calm wind becoming west southwest around 6 mph in the afternoon. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 59. Calm wind. Chance of precipitation is 30%.
Memorial Day
A 20 percent chance of showers after 8am. Partly sunny, with a high near 81. Calm wind becoming east around 6 mph in the afternoon.
Monday Night
Mostly cloudy, with a low around 62. Light east southeast wind.
Tuesday
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 83. East southeast wind 3 to 8 mph. Chance of precipitation is 30%.
Tuesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 65.
Wednesday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 82. Chance of precipitation is 60%.
Wednesday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 65. Chance of precipitation is 60%.
Thursday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 84.
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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:
10:45 pm EDT May 21, 2026
Forecast Valid:
11pm EDT May 21, 2026-6pm EDT May 28, 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