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

72°F

22°C

Humidity 94%
Wind Speed SW 7 mph
Barometer 29.83 in (1009.9 mb)
Dewpoint 70°F (21°C)
Visibility 7.00 mi
Last update 15 Oct 8:54 pm EDT
Extended Forecast for

Williamsport IN

  • Tonight

    Tonight: A chance of showers and thunderstorms. Cloudy, with a low around 50. West wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 50 °F

    Chance
    Showers

  • Friday

    Friday: A slight chance of showers before 7am, then a chance of showers after 3pm. Mostly cloudy, with a steady temperature around 53. West northwest wind 15 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 30%.

    High: 53 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Showers likely, mainly before 8pm. Mostly cloudy, with a low around 39. North wind 9 to 16 mph, with gusts as high as 32 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 39 °F

    Showers
    Likely then
    Chance
    Showers

  • Saturday

    Saturday: Partly sunny, then gradually becoming sunny, with a high near 56. North wind around 6 mph becoming calm in the afternoon.

    High: 56 °F

    Becoming
    Sunny

  • Saturday Night

    Saturday Night: Areas of frost after 3am. Otherwise, clear, with a low around 35. Calm wind.

    Low: 35 °F

    Clear then
    Areas Frost

  • Sunday

    Sunday: Areas of frost before 9am. Otherwise, sunny, with a high near 66. Calm wind becoming south around 6 mph in the morning.

    High: 66 °F

    Areas Frost
    then Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 38. Calm wind.

    Low: 38 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 69. Light south southwest wind.

    High: 69 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 43. Calm wind.

    Low: 43 °F

    Partly Cloudy

Detailed Forecast

Tonight
A chance of showers and thunderstorms. Cloudy, with a low around 50. West wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
A slight chance of showers before 7am, then a chance of showers after 3pm. Mostly cloudy, with a steady temperature around 53. West northwest wind 15 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 30%.
Friday Night
Showers likely, mainly before 8pm. Mostly cloudy, with a low around 39. North wind 9 to 16 mph, with gusts as high as 32 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Partly sunny, then gradually becoming sunny, with a high near 56. North wind around 6 mph becoming calm in the afternoon.
Saturday Night
Areas of frost after 3am. Otherwise, clear, with a low around 35. Calm wind.
Sunday
Areas of frost before 9am. Otherwise, sunny, with a high near 66. Calm wind becoming south around 6 mph in the morning.
Sunday Night
Clear, with a low around 38. Calm wind.
Monday
Sunny, with a high near 69. Light south southwest wind.
Monday Night
Partly cloudy, with a low around 43. Calm wind.
Tuesday
Mostly sunny, with a high near 74. Calm wind.
Tuesday Night
Mostly clear, with a low around 45.
Wednesday
Sunny, with a high near 75.
Wednesday Night
Mostly clear, with a low around 47.
Thursday
Sunny, with a high near 77.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Williamsport IN
 40.28°N 87.3°W (Elev. 630 ft)
Last Update:
8:45 pm EDT Oct 15, 2026
Forecast Valid:
9pm EDT Oct 15, 2026-6pm EDT Oct 22, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation