Current conditions at

Lafayette, Purdue University Airport (KLAF)

Lat: 40.41°NLon: 86.95°WElev: 604ft.

Fair

51°F

11°C

Humidity 41%
Wind Speed Calm
Barometer 30.53 in (1034.1 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Last update 17 Oct 1:54 pm EDT
Extended Forecast for

Lafayette, Purdue University Airport IN

Frost Advisory October 18, 02:00am until October 18, 09:00am
Click here for hazard details and duration
Frost Advisory
  • This Afternoon

    This Afternoon: Sunny, with a high near 56. North wind 3 to 5 mph.

    High: 56 °F

    Sunny

  • Tonight

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

    Low: 34 °F

    Clear then
    Frost

  • Sunday

    Sunday: Widespread frost before 9am.  Otherwise, sunny, with a high near 66. Calm wind becoming south southwest 5 to 7 mph in the morning.

    High: 66 °F

    Frost then
    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 37. Calm wind.

    Low: 37 °F

    Clear

  • Monday

    Monday: Patchy frost before 9am.  Otherwise, sunny, with a high near 70. Calm wind.

    High: 70 °F

    Patchy Frost
    then Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 39. Calm wind.

    Low: 39 °F

    Mostly Clear

  • Tuesday

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

    High: 73 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 43. Calm wind.

    Low: 43 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 75. Calm wind.

    High: 75 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 56. North wind 3 to 5 mph.
Tonight
Widespread frost, mainly after 5am. Otherwise, clear, with a low around 34. Calm wind.
Sunday
Widespread frost before 9am. Otherwise, sunny, with a high near 66. Calm wind becoming south southwest 5 to 7 mph in the morning.
Sunday Night
Clear, with a low around 37. Calm wind.
Monday
Patchy frost before 9am. Otherwise, sunny, with a high near 70. Calm wind.
Monday Night
Mostly clear, with a low around 39. Calm wind.
Tuesday
Sunny, with a high near 73. Calm wind.
Tuesday Night
Mostly clear, with a low around 43. Calm wind.
Wednesday
Sunny, with a high near 75. Calm wind.
Wednesday Night
Mostly clear, with a low around 46. Calm wind.
Thursday
Sunny, with a high near 78.
Thursday Night
Mostly clear, with a low around 48.
Friday
Sunny, with a high near 79.
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ABOUT THIS FORECAST

 
Point Forecast:
Lafayette, Purdue University Airport IN
 40.42°N 86.91°W (Elev. 604 ft)
1:45 pm EDT Oct 17, 2026
1pm EDT Oct 17, 2026-6pm EDT Oct 23, 2026
 
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Additional Resources

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