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

18°F

-8°C

Humidity 68%
Wind Speed NE 8 mph
Barometer 30.32 in (1027.5 mb)
Dewpoint 9°F (-13°C)
Visibility 10.00 mi
Wind Chill8°F (-13°C)
Last update 8 Dec 5:54 am EST
Extended Forecast for

Lafayette, Purdue University Airport IN

  • Today

    Today: Mostly sunny, with a high near 25. East wind 3 to 6 mph.

    High: 25 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a temperature falling to near 17 by 10pm, then rising to around 26 during the remainder of the night. Light and variable wind becoming south southwest 6 to 11 mph in the evening. Winds could gust as high as 20 mph.

    Low: 17 °F⇑

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 39. Southwest wind 11 to 14 mph, with gusts as high as 25 mph.

    High: 39 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Rain likely, mainly after 1am. Cloudy, with a low around 36. South southwest wind 10 to 18 mph, with gusts as high as 32 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 36 °F

    Chance Rain
    then Rain
    Likely

  • Wednesday

    Wednesday: A chance of rain before 10am, then a chance of rain and snow between 10am and 1pm, then a slight chance of snow after 1pm. Cloudy, with a high near 39. West northwest wind 14 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 40%.

    High: 39 °F

    Chance
    Rain/Snow

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 20. West northwest wind 6 to 10 mph, with gusts as high as 18 mph.

    Low: 20 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 30 percent chance of snow, mainly after 1pm. Mostly cloudy, with a high near 28. West wind around 6 mph.

    High: 28 °F

    Chance Snow

  • Thursday Night

    Thursday Night: A 20 percent chance of snow. Mostly cloudy, with a low around 16. West wind 3 to 6 mph.

    Low: 16 °F

    Slight Chance
    Snow

  • Friday

    Friday: A 30 percent chance of snow, mainly after 1pm. Mostly cloudy, with a high near 23. West wind 7 to 11 mph, with gusts as high as 20 mph.

    High: 23 °F

    Chance Snow

Detailed Forecast

Today
Mostly sunny, with a high near 25. East wind 3 to 6 mph.
Tonight
Mostly cloudy, with a temperature falling to near 17 by 10pm, then rising to around 26 during the remainder of the night. Light and variable wind becoming south southwest 6 to 11 mph in the evening. Winds could gust as high as 20 mph.
Tuesday
Partly sunny, with a high near 39. Southwest wind 11 to 14 mph, with gusts as high as 25 mph.
Tuesday Night
Rain likely, mainly after 1am. Cloudy, with a low around 36. South southwest wind 10 to 18 mph, with gusts as high as 32 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
A chance of rain before 10am, then a chance of rain and snow between 10am and 1pm, then a slight chance of snow after 1pm. Cloudy, with a high near 39. West northwest wind 14 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 40%.
Wednesday Night
Mostly cloudy, with a low around 20. West northwest wind 6 to 10 mph, with gusts as high as 18 mph.
Thursday
A 30 percent chance of snow, mainly after 1pm. Mostly cloudy, with a high near 28. West wind around 6 mph.
Thursday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 16. West wind 3 to 6 mph.
Friday
A 30 percent chance of snow, mainly after 1pm. Mostly cloudy, with a high near 23. West wind 7 to 11 mph, with gusts as high as 20 mph.
Friday Night
Mostly cloudy, with a low around 1. West northwest wind around 11 mph, with gusts as high as 20 mph.
Saturday
Partly sunny and cold, with a high near 10.
Saturday Night
Mostly cloudy, with a low around 1.
Sunday
Mostly sunny, with a high near 17.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lafayette, Purdue University Airport IN
 40.42°N 86.91°W (Elev. 604 ft)
Last Update:
6:15 am EST Dec 8, 2025
Forecast Valid:
6am EST Dec 8, 2025-6pm EST Dec 14, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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