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

44°F

7°C

Humidity 96%
Wind Speed SE 3 mph
Barometer 30.12 in (1020.3 mb)
Dewpoint 43°F (6°C)
Visibility 2.50 mi
Last update 20 Nov 8:54 am EST
Extended Forecast for

West Lafayette IN

  • Today

    Today: Patchy fog before 1pm. Otherwise, cloudy, with a high near 49. Calm wind becoming south southwest around 6 mph in the afternoon.

    High: 49 °F

    Patchy Fog

  • Tonight

    Tonight: Areas of fog. Otherwise, cloudy, with a low around 46. Calm wind.

    Low: 46 °F

    Areas Fog

  • Friday

    Friday: Rain, mainly after 1pm. Patchy fog before 9am. High near 54. Calm wind becoming northeast 5 to 7 mph in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 54 °F

    Chance Rain
    and Patchy
    Fog then Rain

  • Friday Night

    Friday Night: Rain likely, mainly before 1am. Mostly cloudy, with a low around 35. North northeast wind around 7 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 35 °F

    Rain Likely

  • Saturday

    Saturday: Mostly sunny, with a high near 49. North northeast wind around 5 mph.

    High: 49 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 34. Light and variable wind.

    Low: 34 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 56. Southwest wind 5 to 8 mph.

    High: 56 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 36. West southwest wind around 5 mph becoming calm in the evening.

    Low: 36 °F

    Partly Cloudy

  • Monday

    Monday: A 20 percent chance of rain after 1pm. Mostly cloudy, with a high near 54. South southeast wind 3 to 7 mph.

    High: 54 °F

    Mostly Cloudy
    then Slight
    Chance Rain

Detailed Forecast

Today
Patchy fog before 1pm. Otherwise, cloudy, with a high near 49. Calm wind becoming south southwest around 6 mph in the afternoon.
Tonight
Areas of fog. Otherwise, cloudy, with a low around 46. Calm wind.
Friday
Rain, mainly after 1pm. Patchy fog before 9am. High near 54. Calm wind becoming northeast 5 to 7 mph in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Friday Night
Rain likely, mainly before 1am. Mostly cloudy, with a low around 35. North northeast wind around 7 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
Mostly sunny, with a high near 49. North northeast wind around 5 mph.
Saturday Night
Mostly clear, with a low around 34. Light and variable wind.
Sunday
Sunny, with a high near 56. Southwest wind 5 to 8 mph.
Sunday Night
Partly cloudy, with a low around 36. West southwest wind around 5 mph becoming calm in the evening.
Monday
A 20 percent chance of rain after 1pm. Mostly cloudy, with a high near 54. South southeast wind 3 to 7 mph.
Monday Night
Rain likely, mainly after 1am. Cloudy, with a low around 42. Southeast wind 5 to 7 mph. Chance of precipitation is 60%.
Tuesday
A 50 percent chance of rain. Mostly cloudy, with a high near 55.
Tuesday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 39.
Wednesday
Partly sunny, with a high near 46.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
West Lafayette IN
 40.46°N 86.91°W (Elev. 699 ft)
Last Update:
9:45 am EST Nov 20, 2025
Forecast Valid:
9am EST Nov 20, 2025-6pm EST Nov 26, 2025
 
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Additional Resources

Radar & Satellite Image

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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