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

Lafayette IN

Frost Advisory October 18, 07:39am until October 18, 09:00am
Click here for hazard details and duration
...
  •  
    Frost Advisory October 18, 07:39am until October 18, 09:00am

    NOW until 9:00am Sun

    Frost Advisory

  • Today

    High: 65 °F

    Frost then
    Sunny

  • Tonight

    Tonight: Clear, with a low around 36. Calm wind.

    Low: 36 °F

    Clear

  • Monday

    Monday: Patchy frost before 9am.  Otherwise, sunny, with a high near 69. Calm wind.

    High: 69 °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 72. Calm wind.

    High: 72 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 42. Calm wind.

    Low: 42 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 74. Calm wind.

    High: 74 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 45. Calm wind.

    Low: 45 °F

    Clear

Detailed Forecast

Today
Widespread frost, mainly between 8am and 9am. Otherwise, sunny, with a high near 65. South southwest wind 3 to 7 mph.
Tonight
Clear, with a low around 36. Calm wind.
Monday
Patchy frost before 9am. Otherwise, sunny, with a high near 69. Calm wind.
Monday Night
Mostly clear, with a low around 38. Calm wind.
Tuesday
Sunny, with a high near 72. Calm wind.
Tuesday Night
Mostly clear, with a low around 42. Calm wind.
Wednesday
Sunny, with a high near 74. Calm wind.
Wednesday Night
Clear, with a low around 45. 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 75.
Friday Night
Mostly clear, with a low around 46.
Saturday
Sunny, with a high near 75.
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ABOUT THIS FORECAST

 
Point Forecast:
Lafayette IN
 40.42°N 86.88°W (Elev. 630 ft)
7:15 am EDT Oct 18, 2026
7am EDT Oct 18, 2026-6pm EDT Oct 24, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database