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.

Fog/Mist

40°F

4°C

Humidity 97%
Wind Speed NW 8 mph
Barometer 29.81 in (1009.5 mb)
Dewpoint 39°F (4°C)
Visibility 4.00 mi
Wind Chill35°F (2°C)
Last update 7 Jan 12:54 am EST
Extended Forecast for

Lafayette, Purdue University Airport IN

  • Overnight

    Overnight: Cloudy, with a steady temperature around 40. West wind 5 to 7 mph.

    Low: 40 °F

    Cloudy

  • Wednesday

    Wednesday: Patchy fog before 10am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 50. Southwest wind 3 to 8 mph.

    High: 50 °F

    Patchy Fog
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 38. South wind 6 to 9 mph.

    Low: 38 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Rain likely, mainly after 1pm. Cloudy, with a high near 60. South wind 10 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 60 °F

    Slight Chance
    Rain then
    Rain Likely

  • Thursday Night

    Thursday Night: Rain and possibly a thunderstorm before 1am, then a chance of rain and thunderstorms after 1am. Low around 50. Southwest wind 16 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 50 °F

    Rain

  • Friday

    Friday: A 30 percent chance of rain, mainly before 1pm. Mostly cloudy, with a high near 53. West southwest wind 8 to 10 mph becoming north northwest in the afternoon. Winds could gust as high as 22 mph.

    High: 53 °F

    Chance Rain

  • Friday Night

    Friday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 39. East northeast wind around 7 mph.

    Low: 39 °F

    Chance Rain

  • Saturday

    Saturday: A 50 percent chance of rain. Mostly cloudy, with a high near 45. East northeast wind 8 to 16 mph becoming west southwest in the morning. Winds could gust as high as 25 mph.

    High: 45 °F

    Chance Rain

  • Saturday Night

    Saturday Night: A 20 percent chance of snow. Mostly cloudy, with a low around 24. West wind around 14 mph, with gusts as high as 23 mph.

    Low: 24 °F

    Slight Chance
    Snow

Detailed Forecast

Overnight
Cloudy, with a steady temperature around 40. West wind 5 to 7 mph.
Wednesday
Patchy fog before 10am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 50. Southwest wind 3 to 8 mph.
Wednesday Night
Increasing clouds, with a low around 38. South wind 6 to 9 mph.
Thursday
Rain likely, mainly after 1pm. Cloudy, with a high near 60. South wind 10 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
Rain and possibly a thunderstorm before 1am, then a chance of rain and thunderstorms after 1am. Low around 50. Southwest wind 16 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Friday
A 30 percent chance of rain, mainly before 1pm. Mostly cloudy, with a high near 53. West southwest wind 8 to 10 mph becoming north northwest in the afternoon. Winds could gust as high as 22 mph.
Friday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 39. East northeast wind around 7 mph.
Saturday
A 50 percent chance of rain. Mostly cloudy, with a high near 45. East northeast wind 8 to 16 mph becoming west southwest in the morning. Winds could gust as high as 25 mph.
Saturday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 24. West wind around 14 mph, with gusts as high as 23 mph.
Sunday
Partly sunny, with a high near 33. West wind 10 to 13 mph, with gusts as high as 21 mph.
Sunday Night
Partly cloudy, with a low around 23.
Monday
Mostly sunny, with a high near 42.
Monday Night
Partly cloudy, with a low around 28.
Tuesday
Mostly sunny, with a high near 42.
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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:
1:21 am EST Jan 7, 2026
Forecast Valid:
1am EST Jan 7, 2026-6pm EST Jan 13, 2026
 
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Additional Resources

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