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.

Overcast

69°F

21°C

Humidity 90%
Wind Speed NW 8 mph
Barometer 29.93 in (1013.2 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 22 Aug 9:54 am EDT
Extended Forecast for

Lafayette IN

  • Today

    Today: Mostly sunny, with a high near 78. Northwest wind 6 to 11 mph, with gusts as high as 20 mph.

    High: 78 °F

    Mostly Sunny

  • Tonight

    Tonight: A 20 percent chance of showers before 9pm. Patchy fog before 4am, then patchy fog after 5am. Otherwise, mostly clear, with a low around 58. Northwest wind around 6 mph becoming calm in the evening.

    Low: 58 °F

    Slight Chance
    Showers then
    Patchy Fog

  • Sunday

    Sunday: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 75. Calm wind becoming northwest 5 to 9 mph in the afternoon.

    High: 75 °F

    Patchy Fog
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Patchy fog after 2am. Otherwise, mostly cloudy, then gradually becoming mostly clear, with a low around 53. Light north wind.

    Low: 53 °F

    Partly Cloudy
    then Patchy
    Fog

  • Monday

    Monday: Areas of fog before 8am. Otherwise, mostly sunny, with a high near 75. Calm wind.

    High: 75 °F

    Areas Fog
    then Mostly
    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 55. Calm wind.

    Low: 55 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 77. Calm wind.

    High: 77 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 59. Calm wind.

    Low: 59 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 80. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 80 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 78. Northwest wind 6 to 11 mph, with gusts as high as 20 mph.
Tonight
A 20 percent chance of showers before 9pm. Patchy fog before 4am, then patchy fog after 5am. Otherwise, mostly clear, with a low around 58. Northwest wind around 6 mph becoming calm in the evening.
Sunday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 75. Calm wind becoming northwest 5 to 9 mph in the afternoon.
Sunday Night
Patchy fog after 2am. Otherwise, mostly cloudy, then gradually becoming mostly clear, with a low around 53. Light north wind.
Monday
Areas of fog before 8am. Otherwise, mostly sunny, with a high near 75. Calm wind.
Monday Night
Partly cloudy, with a low around 55. Calm wind.
Tuesday
Sunny, with a high near 77. Calm wind.
Tuesday Night
Partly cloudy, with a low around 59. Calm wind.
Wednesday
Mostly sunny, with a high near 80. Calm wind becoming southwest around 5 mph in the afternoon.
Wednesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 63. Calm wind.
Thursday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 81.
Thursday Night
A 10 percent chance of showers and thunderstorms. Mostly clear, with a low around 61.
Friday
Sunny, with a high near 81.
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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:
9:45 am EDT Aug 22, 2026
Forecast Valid:
10am EDT Aug 22, 2026-6pm EDT Aug 28, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation