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

56°F

13°C

Humidity 60%
Wind Speed SE 6 mph
Barometer 30.19 in (1022.4 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Last update 12 Apr 1:54 am EDT
Extended Forecast for

Lafayette, Purdue University Airport IN

  • Overnight

    Overnight: Mostly cloudy, with a low around 53. South southeast wind around 8 mph.

    Low: 53 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 80. South southwest wind 10 to 18 mph, with gusts as high as 33 mph.

    High: 80 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A chance of rain, then rain likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 62. South southwest wind around 14 mph, with gusts as high as 28 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 62 °F

    Chance Rain
    then Rain
    Likely

  • Monday

    Monday: Rain likely and possibly a thunderstorm before 8am, then a chance of rain and thunderstorms after 8am. Partly sunny, with a high near 79. Southwest wind 13 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 79 °F

    Rain Likely
    then Chance
    T-storms

  • Monday Night

    Monday Night: A chance of rain and thunderstorms before 11pm, then a slight chance of rain. Mostly cloudy, with a low around 66. South southwest wind around 14 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

    Low: 66 °F

    Chance
    T-storms then
    Slight Chance
    Rain

  • Tuesday

    Tuesday: A 50 percent chance of rain and thunderstorms, mainly after 2pm. Partly sunny, with a high near 81. Southwest wind 11 to 15 mph, with gusts as high as 26 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 81 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Rain and thunderstorms likely, mainly between 8pm and 11pm, then rain likely and possibly a thunderstorm after 11pm. Mostly cloudy, with a low around 66. South southwest wind 10 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 60%.

    Low: 66 °F

    T-storms
    Likely then
    Rain Likely

  • Wednesday

    Wednesday: Rain and possibly a thunderstorm. High near 77. South southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.

    High: 77 °F

    Rain

  • Wednesday Night

    Wednesday Night: Rain and possibly a thunderstorm. Low around 63. South southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.

    Low: 63 °F

    Rain

Detailed Forecast

Overnight
Mostly cloudy, with a low around 53. South southeast wind around 8 mph.
Sunday
Partly sunny, with a high near 80. South southwest wind 10 to 18 mph, with gusts as high as 33 mph.
Sunday Night
A chance of rain, then rain likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 62. South southwest wind around 14 mph, with gusts as high as 28 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
Rain likely and possibly a thunderstorm before 8am, then a chance of rain and thunderstorms after 8am. Partly sunny, with a high near 79. Southwest wind 13 to 15 mph, with gusts as high as 25 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 chance of rain and thunderstorms before 11pm, then a slight chance of rain. Mostly cloudy, with a low around 66. South southwest wind around 14 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Tuesday
A 50 percent chance of rain and thunderstorms, mainly after 2pm. Partly sunny, with a high near 81. Southwest wind 11 to 15 mph, with gusts as high as 26 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Rain and thunderstorms likely, mainly between 8pm and 11pm, then rain likely and possibly a thunderstorm after 11pm. Mostly cloudy, with a low around 66. South southwest wind 10 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 60%.
Wednesday
Rain and possibly a thunderstorm. High near 77. South southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.
Wednesday Night
Rain and possibly a thunderstorm. Low around 63. South southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.
Thursday
A chance of rain and thunderstorms before 8am, then a chance of rain between 8am and 2pm, then a chance of rain and thunderstorms after 2pm. Mostly cloudy, with a high near 78. Southwest wind 9 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 40%.
Thursday Night
A 30 percent chance of rain and thunderstorms. Mostly clear, with a low around 58.
Friday
A 20 percent chance of rain. Mostly sunny, with a high near 82.
Friday Night
Rain and thunderstorms likely. Mostly cloudy, with a low around 61. Chance of precipitation is 70%.
Saturday
Rain and thunderstorms likely. Mostly cloudy, with a high near 75. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
Lafayette, Purdue University Airport IN
 40.42°N 86.94°W (Elev. 630 ft)
Last Update:
1:45 am EDT Apr 12, 2026
Forecast Valid:
2am EDT Apr 12, 2026-6pm EDT Apr 18, 2026
 
Forecast Discussion
 
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