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

63°F

17°C

Humidity 31%
Wind Speed SW 6 mph
Barometer 30.11 in (1019.6 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 29 Mar 6:54 pm EDT
Extended Forecast for

Lafayette IN

  • Tonight

    Tonight: Cloudy, then gradually becoming partly cloudy, with a low around 55. South southwest wind around 9 mph, with gusts as high as 20 mph.

    Low: 55 °F

    Decreasing
    Clouds

  • Monday

    Monday: Partly sunny, with a high near 74. South southwest wind 10 to 14 mph, with gusts as high as 30 mph.

    High: 74 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 63. South southwest wind 10 to 15 mph, with gusts as high as 29 mph.

    Low: 63 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A slight chance of rain, then a chance of rain and thunderstorms after 11am. Mostly cloudy, with a high near 79. South southwest wind 14 to 18 mph, with gusts as high as 38 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 79 °F

    Slight Chance
    T-storms then
    Chance Rain

  • Tuesday Night

    Tuesday Night: A chance of rain and thunderstorms before 8pm, then rain and possibly a thunderstorm between 8pm and 5am, then rain after 5am. Low around 47. Southwest wind 10 to 13 mph becoming west northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 47 °F

    Rain

  • Wednesday

    Wednesday: Rain likely, with thunderstorms also possible after 11am. Cloudy, with a high near 55. Northeast wind around 11 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 55 °F

    Rain Likely

  • Wednesday Night

    Wednesday Night: Rain and possibly a thunderstorm. Low around 47. East wind 10 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 80%.

    Low: 47 °F

    Rain

  • Thursday

    Thursday: Rain and possibly a thunderstorm before 2pm, then rain likely. High near 65. Southeast wind 14 to 16 mph becoming south southwest in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 80%.

    High: 65 °F

    Rain

  • Thursday Night

    Thursday Night: Rain likely. Cloudy, with a low around 47. Southwest wind around 11 mph, with gusts as high as 22 mph. Chance of precipitation is 70%.

    Low: 47 °F

    Rain Likely

Detailed Forecast

Tonight
Cloudy, then gradually becoming partly cloudy, with a low around 55. South southwest wind around 9 mph, with gusts as high as 20 mph.
Monday
Partly sunny, with a high near 74. South southwest wind 10 to 14 mph, with gusts as high as 30 mph.
Monday Night
Mostly cloudy, with a low around 63. South southwest wind 10 to 15 mph, with gusts as high as 29 mph.
Tuesday
A slight chance of rain, then a chance of rain and thunderstorms after 11am. Mostly cloudy, with a high near 79. South southwest wind 14 to 18 mph, with gusts as high as 38 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
A chance of rain and thunderstorms before 8pm, then rain and possibly a thunderstorm between 8pm and 5am, then rain after 5am. Low around 47. Southwest wind 10 to 13 mph becoming west northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
Rain likely, with thunderstorms also possible after 11am. Cloudy, with a high near 55. Northeast wind around 11 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
Rain and possibly a thunderstorm. Low around 47. East wind 10 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 80%.
Thursday
Rain and possibly a thunderstorm before 2pm, then rain likely. High near 65. Southeast wind 14 to 16 mph becoming south southwest in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 80%.
Thursday Night
Rain likely. Cloudy, with a low around 47. Southwest wind around 11 mph, with gusts as high as 22 mph. Chance of precipitation is 70%.
Friday
A 40 percent chance of rain. Mostly cloudy, with a high near 67. Southwest wind around 9 mph.
Friday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 53.
Saturday
Rain likely and possibly a thunderstorm. Mostly cloudy, with a high near 73. Chance of precipitation is 60%.
Saturday Night
Rain likely and possibly a thunderstorm. Mostly cloudy, with a low around 51. Chance of precipitation is 60%.
Sunday
A 40 percent chance of rain. Mostly cloudy, with a high near 59.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lafayette IN
 40.42°N 86.88°W (Elev. 630 ft)
Last Update:
7:45 pm EDT Mar 29, 2026
Forecast Valid:
7pm EDT Mar 29, 2026-6pm EDT Apr 5, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation