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

22°F

-6°C

Humidity 50%
Wind Speed S 6 mph
Barometer 30.23 in (1024.6 mb)
Dewpoint 6°F (-14°C)
Visibility 10.00 mi
Wind Chill14°F (-10°C)
Last update 20 Jan 10:54 pm EST
Extended Forecast for

Lafayette IN

  • Tonight

    Tonight: A 10 percent chance of snow after 5am. Cloudy, with a temperature rising to around 28 by 4am. South wind 10 to 13 mph, with gusts as high as 28 mph.

    Low: 22 °F⇑

    Slight Chance
    Snow

  • Wednesday

    Wednesday: A 40 percent chance of snow, mainly between 7am and 1pm. Cloudy through mid morning, then gradual clearing, with a high near 36. West southwest wind 14 to 16 mph, with gusts as high as 31 mph.

    High: 36 °F

    Chance Snow

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 19. West southwest wind 8 to 13 mph, with gusts as high as 24 mph.

    Low: 19 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 28. West wind around 9 mph.

    High: 28 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 3. West northwest wind 5 to 9 mph.

    Low: 3 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny and cold, with a high near 6. Northwest wind around 10 mph, with gusts as high as 20 mph.

    High: 6 °F

    Cold

  • Friday Night

    Friday Night: Mostly cloudy, with a low around -2. North wind around 6 mph.

    Low: -2 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 20 percent chance of snow after 1pm. Mostly cloudy and cold, with a high near 12. East northeast wind 5 to 7 mph.

    High: 12 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Saturday Night

    Saturday Night: A 30 percent chance of snow. Mostly cloudy, with a low around 6. Northeast wind around 6 mph.

    Low: 6 °F

    Chance Snow

Detailed Forecast

Tonight
A 10 percent chance of snow after 5am. Cloudy, with a temperature rising to around 28 by 4am. South wind 10 to 13 mph, with gusts as high as 28 mph.
Wednesday
A 40 percent chance of snow, mainly between 7am and 1pm. Cloudy through mid morning, then gradual clearing, with a high near 36. West southwest wind 14 to 16 mph, with gusts as high as 31 mph.
Wednesday Night
Partly cloudy, with a low around 19. West southwest wind 8 to 13 mph, with gusts as high as 24 mph.
Thursday
Mostly sunny, with a high near 28. West wind around 9 mph.
Thursday Night
Mostly cloudy, with a low around 3. West northwest wind 5 to 9 mph.
Friday
Partly sunny and cold, with a high near 6. Northwest wind around 10 mph, with gusts as high as 20 mph.
Friday Night
Mostly cloudy, with a low around -2. North wind around 6 mph.
Saturday
A 20 percent chance of snow after 1pm. Mostly cloudy and cold, with a high near 12. East northeast wind 5 to 7 mph.
Saturday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 6. Northeast wind around 6 mph.
Sunday
A 20 percent chance of snow before 1pm. Partly sunny, with a high near 17. North wind around 6 mph.
Sunday Night
Mostly cloudy, with a low around 4.
Monday
Mostly sunny, with a high near 19.
Monday Night
Mostly clear, with a low around 7.
Tuesday
Mostly sunny, with a high near 26.
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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:
10:45 pm EST Jan 20, 2026
Forecast Valid:
11pm EST Jan 20, 2026-6pm EST Jan 27, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation