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

36°F

2°C

Humidity 82%
Wind Speed N 18 G 31 mph
Barometer 30.07 in (1018.4 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Wind Chill26°F (-3°C)
Last update 23 Mar 1:54 am EDT
Extended Forecast for

Collegeville IN

  • Overnight

    Overnight: Mostly cloudy, with a steady temperature around 33. North wind around 15 mph, with gusts as high as 25 mph.

    Low: 33 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy through mid morning, then gradual clearing, with a high near 42. North wind around 15 mph, with gusts as high as 25 mph.

    High: 42 °F

    Becoming
    Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 28. North northeast wind 5 to 10 mph becoming light and variable after midnight.

    Low: 28 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Partly sunny, with a high near 53. Calm wind becoming south around 5 mph in the morning. Winds could gust as high as 10 mph.

    High: 53 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 35. South wind around 5 mph, with gusts as high as 10 mph.

    Low: 35 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 69.

    High: 69 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 52.

    Low: 52 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Thursday

    Thursday: A chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 33.

    Low: 33 °F

    Showers
    Likely

Detailed Forecast

Overnight
Mostly cloudy, with a steady temperature around 33. North wind around 15 mph, with gusts as high as 25 mph.
Monday
Mostly cloudy through mid morning, then gradual clearing, with a high near 42. North wind around 15 mph, with gusts as high as 25 mph.
Monday Night
Increasing clouds, with a low around 28. North northeast wind 5 to 10 mph becoming light and variable after midnight.
Tuesday
Partly sunny, with a high near 53. Calm wind becoming south around 5 mph in the morning. Winds could gust as high as 10 mph.
Tuesday Night
Partly cloudy, with a low around 35. South wind around 5 mph, with gusts as high as 10 mph.
Wednesday
Partly sunny, with a high near 69.
Wednesday Night
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 52.
Thursday
A chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 78.
Thursday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 33.
Friday
Partly sunny, with a high near 42.
Friday Night
Mostly clear, with a low around 26.
Saturday
Sunny, with a high near 51.
Saturday Night
Mostly clear, with a low around 34.
Sunday
Mostly sunny, with a high near 60.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Collegeville IN
 40.92°N 87.16°W
Last Update:
1:31 am CDT Mar 23, 2026
Forecast Valid:
1am CDT Mar 23, 2026-6pm CDT Mar 29, 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