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

23°F

-5°C

Humidity 85%
Wind Speed S 3 mph
Barometer 30.35 in (1028.3 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Last update 12 Jan 2:54 am EST
Extended Forecast for

Collegeville IN

  • Overnight

    Overnight: Partly cloudy, with a low around 25. Southwest wind around 15 mph, with gusts as high as 25 mph.

    Low: 25 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 40. Southwest wind 10 to 15 mph, with gusts as high as 30 mph.

    High: 40 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 31. South southwest wind around 10 mph, with gusts as high as 20 mph.

    Low: 31 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of rain after noon. Partly sunny, with a high near 47. Breezy, with a west southwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 47 °F

    Breezy.
    Mostly Cloudy
    then Slight
    Chance Rain

  • Tuesday Night

    Tuesday Night: A 30 percent chance of rain before midnight. Mostly cloudy, with a low around 33. West northwest wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 33 °F

    Chance Rain
    then Mostly
    Cloudy

  • Wednesday

    Wednesday: Snow likely, possibly mixed with rain, becoming all snow after 4pm. Mostly cloudy, with a high near 38. Breezy. Chance of precipitation is 70%.

    High: 38 °F

    Rain/Snow
    Likely and
    Breezy

  • Wednesday Night

    Wednesday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 16. Blustery.

    Low: 16 °F

    Chance Snow
    and Blustery

  • Thursday

    Thursday: A chance of snow before noon. Partly sunny, with a high near 25.

    High: 25 °F

    Chance Snow
    then Partly
    Sunny

  • Thursday Night

    Thursday Night: A chance of snow. Mostly cloudy, with a low around 19.

    Low: 19 °F

    Chance Snow

Detailed Forecast

Overnight
Partly cloudy, with a low around 25. Southwest wind around 15 mph, with gusts as high as 25 mph.
Monday
Mostly sunny, with a high near 40. Southwest wind 10 to 15 mph, with gusts as high as 30 mph.
Monday Night
Partly cloudy, with a low around 31. South southwest wind around 10 mph, with gusts as high as 20 mph.
Tuesday
A 20 percent chance of rain after noon. Partly sunny, with a high near 47. Breezy, with a west southwest wind 15 to 20 mph, with gusts as high as 30 mph.
Tuesday Night
A 30 percent chance of rain before midnight. Mostly cloudy, with a low around 33. West northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Wednesday
Snow likely, possibly mixed with rain, becoming all snow after 4pm. Mostly cloudy, with a high near 38. Breezy. Chance of precipitation is 70%.
Wednesday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 16. Blustery.
Thursday
A chance of snow before noon. Partly sunny, with a high near 25.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 19.
Friday
A chance of snow after noon. Mostly cloudy, with a high near 32.
Friday Night
A chance of snow. Mostly cloudy, with a low around 19.
Saturday
Partly sunny, with a high near 26.
Saturday Night
Mostly cloudy, with a low around 10.
Sunday
Partly sunny, with a high near 22.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Collegeville IN
 40.92°N 87.16°W
Last Update:
12:51 am CST Jan 12, 2026
Forecast Valid:
2am CST Jan 12, 2026-6pm CST Jan 18, 2026
 
Forecast Discussion
 
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Additional Resources

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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