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

47°F

8°C

Humidity 93%
Wind Speed Calm
Barometer 30.07 in (1018.3 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 20 Nov 1:54 pm EST
Extended Forecast for

Lafayette IN

  • This Afternoon

    This Afternoon: Cloudy, with a high near 49. South southwest wind around 6 mph.

    High: 49 °F

    Cloudy

  • 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 north northeast around 6 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: A 50 percent chance of rain before 1am. Cloudy, with a low around 36. North northeast wind around 6 mph. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 36 °F

    Chance Rain

  • Saturday

    Saturday: Sunny, with a high near 49. Light north northeast wind.

    High: 49 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 35. Light south southwest wind.

    Low: 35 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 56. West southwest wind 3 to 6 mph.

    High: 56 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 38. Calm wind.

    Low: 38 °F

    Partly Cloudy

  • Monday

    Monday: A 30 percent chance of rain after 1pm. Mostly cloudy, with a high near 56. Calm wind becoming south southeast 5 to 7 mph in the morning.

    High: 56 °F

    Mostly Cloudy
    then Chance
    Rain

Detailed Forecast

This Afternoon
Cloudy, with a high near 49. South southwest wind around 6 mph.
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 north northeast around 6 mph in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Friday Night
A 50 percent chance of rain before 1am. Cloudy, with a low around 36. North northeast wind around 6 mph. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
Sunny, with a high near 49. Light north northeast wind.
Saturday Night
Mostly clear, with a low around 35. Light south southwest wind.
Sunday
Sunny, with a high near 56. West southwest wind 3 to 6 mph.
Sunday Night
Partly cloudy, with a low around 38. Calm wind.
Monday
A 30 percent chance of rain after 1pm. Mostly cloudy, with a high near 56. Calm wind becoming south southeast 5 to 7 mph in the morning.
Monday Night
Rain. Low around 47. South wind around 7 mph. Chance of precipitation is 80%.
Tuesday
A 50 percent chance of rain. Mostly cloudy, with a high near 57.
Tuesday Night
Mostly cloudy, with a low around 36.
Wednesday
Partly sunny, with a high near 44.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lafayette IN
 40.42°N 86.88°W (Elev. 630 ft)
Last Update:
1:45 pm EST Nov 20, 2025
Forecast Valid:
2pm EST Nov 20, 2025-6pm EST Nov 26, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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