National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Lafayette, Purdue University Airport (KLAF)

Lat: 40.41°NLon: 86.95°WElev: 604ft.

Fair

33°F

1°C

Humidity 92%
Wind Speed Calm
Barometer 30.51 in (1033.6 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Last update 18 Oct 6:54 am EDT
Extended Forecast for

West Lafayette IN

Frost Advisory October 18, 07:17am until October 18, 09:00am
Click here for hazard details and duration
...
  •  
    Frost Advisory October 18, 07:17am until October 18, 09:00am

    NOW until 9:00am Sun

    Frost Advisory

  • Today

    High: 64 °F

    Frost then
    Sunny

  • Tonight

    Tonight: Patchy frost after 5am. Otherwise, clear, with a low around 34. Calm wind.

    Low: 34 °F

    Clear then
    Patchy Frost

  • Monday

    Monday: Patchy frost before 10am. Otherwise, sunny, with a high near 68. Calm wind.

    High: 68 °F

    Patchy Frost
    then Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 38. Calm wind.

    Low: 38 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 71. Calm wind.

    High: 71 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 41. Calm wind.

    Low: 41 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 73. Calm wind.

    High: 73 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 44. Calm wind.

    Low: 44 °F

    Clear

Detailed Forecast

Today
Widespread frost, mainly before 9am. Otherwise, sunny, with a high near 64. South southwest wind 3 to 8 mph.
Tonight
Patchy frost after 5am. Otherwise, clear, with a low around 34. Calm wind.
Monday
Patchy frost before 10am. Otherwise, sunny, with a high near 68. Calm wind.
Monday Night
Mostly clear, with a low around 38. Calm wind.
Tuesday
Sunny, with a high near 71. Calm wind.
Tuesday Night
Mostly clear, with a low around 41. Calm wind.
Wednesday
Sunny, with a high near 73. Calm wind.
Wednesday Night
Clear, with a low around 44. Calm wind.
Thursday
Sunny, with a high near 75. Calm wind.
Thursday Night
Mostly clear, with a low around 46. Calm wind.
Friday
Sunny, with a high near 74.
Friday Night
Mostly clear, with a low around 45.
Saturday
Sunny, with a high near 75.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
West Lafayette IN
 40.46°N 86.91°W (Elev. 699 ft)
Last Update:
7:15 am EDT Oct 18, 2026
Forecast Valid:
7am EDT Oct 18, 2026-6pm EDT Oct 24, 2026
 
Forecast Discussion
 
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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