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.

Partly Cloudy

65°F

18°C

Humidity 81%
Wind Speed Calm
Barometer 29.99 in (1015.3 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 20 Jun 12:54 am EDT
Extended Forecast for

Lafayette IN

  • Overnight

    Overnight: Scattered sprinkles between 4am and 5am, then isolated showers after 5am. Mostly cloudy, with a steady temperature around 64. Calm wind becoming west southwest around 5 mph. Chance of precipitation is 10%.

    Low: 64 °F

    Isolated
    Showers

  • Saturday

    Saturday: Scattered showers, mainly before 7am. Mostly cloudy, then gradually becoming sunny, with a high near 79. West wind 6 to 10 mph. Chance of precipitation is 30%.

    High: 79 °F

    Scattered
    Showers then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 58. West northwest wind around 5 mph becoming calm in the evening.

    Low: 58 °F

    Partly Cloudy

  • Sunday

    Sunday: Showers and possibly a thunderstorm, mainly after 2pm. Some of the storms could produce heavy rainfall. High near 76. Calm wind becoming east southeast 5 to 7 mph in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 76 °F

    Isolated
    Showers then
    Heavy Rain

  • 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 around 11 mph becoming southwest after midnight. Winds could gust as high as 23 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 8 to 10 mph, with gusts as high as 20 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 10 mph becoming light after midnight. Winds could gust as high as 20 mph.

    Low: 54 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 75. Light north northeast wind.

    High: 75 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 57. Calm wind.

    Low: 57 °F

    Partly Cloudy

Detailed Forecast

Overnight
Scattered sprinkles between 4am and 5am, then isolated showers after 5am. Mostly cloudy, with a steady temperature around 64. Calm wind becoming west southwest around 5 mph. Chance of precipitation is 10%.
Saturday
Scattered showers, mainly before 7am. Mostly cloudy, then gradually becoming sunny, with a high near 79. West wind 6 to 10 mph. Chance of precipitation is 30%.
Saturday Night
Partly cloudy, with a low around 58. West northwest wind around 5 mph becoming calm in the evening.
Sunday
Showers and possibly a thunderstorm, mainly after 2pm. Some of the storms could produce heavy rainfall. High near 76. Calm wind becoming east southeast 5 to 7 mph in the afternoon. Chance of precipitation is 90%. 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 around 11 mph becoming southwest after midnight. Winds could gust as high as 23 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 8 to 10 mph, with gusts as high as 20 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 10 mph becoming light after midnight. Winds could gust as high as 20 mph.
Tuesday
Sunny, with a high near 75. Light north northeast wind.
Tuesday Night
Partly cloudy, with a low around 57. Calm wind.
Wednesday
A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 76. Calm wind becoming west southwest around 5 mph in the afternoon.
Wednesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 58.
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 58.
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:
Lafayette IN
 40.42°N 86.88°W (Elev. 630 ft)
Last Update:
1:15 am EDT Jun 20, 2026
Forecast Valid:
1am EDT Jun 20, 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