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.

Mostly Cloudy

35°F

2°C

Humidity 78%
Wind Speed Calm
Barometer 30.09 in (1019.3 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Last update 17 Nov 11:54 pm EST
Extended Forecast for

Lafayette IN

  • Overnight

    Overnight: Scattered showers, then showers and possibly a thunderstorm after 1am. Low around 37. Calm wind becoming east around 6 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 37 °F

    Showers

  • Tuesday

    Tuesday: Showers likely, mainly before 7am. Cloudy, with a high near 48. East southeast wind 7 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 48 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 38. Northeast wind around 5 mph.

    Low: 38 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 51. Northeast wind around 5 mph becoming calm in the afternoon.

    High: 51 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 41. Calm wind.

    Low: 41 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 40 percent chance of showers, mainly after 1pm. Mostly cloudy, with a high near 59. Calm wind becoming south around 6 mph in the afternoon.

    High: 59 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Showers likely. Mostly cloudy, with a low around 45. South southwest wind around 6 mph becoming northwest after midnight. Chance of precipitation is 60%.

    Low: 45 °F

    Showers
    Likely

  • Friday

    Friday: Showers likely, mainly after 1pm. Mostly cloudy, with a high near 54. North northeast wind 6 to 8 mph. Chance of precipitation is 60%.

    High: 54 °F

    Showers
    Likely

  • Friday Night

    Friday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 35. North northeast wind around 6 mph.

    Low: 35 °F

    Chance
    Showers

Detailed Forecast

Overnight
Scattered showers, then showers and possibly a thunderstorm after 1am. Low around 37. Calm wind becoming east around 6 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
Showers likely, mainly before 7am. Cloudy, with a high near 48. East southeast wind 7 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday Night
Mostly cloudy, with a low around 38. Northeast wind around 5 mph.
Wednesday
Mostly cloudy, with a high near 51. Northeast wind around 5 mph becoming calm in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 41. Calm wind.
Thursday
A 40 percent chance of showers, mainly after 1pm. Mostly cloudy, with a high near 59. Calm wind becoming south around 6 mph in the afternoon.
Thursday Night
Showers likely. Mostly cloudy, with a low around 45. South southwest wind around 6 mph becoming northwest after midnight. Chance of precipitation is 60%.
Friday
Showers likely, mainly after 1pm. Mostly cloudy, with a high near 54. North northeast wind 6 to 8 mph. Chance of precipitation is 60%.
Friday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 35. North northeast wind around 6 mph.
Saturday
Mostly sunny, with a high near 49. North northeast wind around 6 mph.
Saturday Night
Partly cloudy, with a low around 33.
Sunday
Mostly sunny, with a high near 52.
Sunday Night
Partly cloudy, with a low around 38.
Monday
A 20 percent chance of showers. Partly sunny, with a high near 54.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lafayette IN
 40.42°N 86.85°W (Elev. 699 ft)
Last Update:
12:15 am EST Nov 18, 2025
Forecast Valid:
12am EST Nov 18, 2025-6pm EST Nov 24, 2025
 
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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