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

Appleton-Outagamie (KATW)

Lat: 44.26°NLon: 88.52°WElev: 869ft.

Mostly Cloudy

82°F

28°C

Humidity 66%
Wind Speed Calm
Barometer 29.92 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 2 Sep 1:45 pm CDT
Extended Forecast for

Kaukauna WI

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 82. Heat index values as high as 85. West wind around 5 mph.

    High: 82 °F

    Mostly Sunny

  • Tonight

    Tonight: A slight chance of showers and thunderstorms between midnight and 2am. Patchy fog after 5am. Otherwise, partly cloudy, with a low around 66. Light and variable wind. Chance of precipitation is 20%.

    Low: 66 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms and
    Patchy Fog

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms, mainly after 9am. Patchy fog before 8am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 80. Heat index values as high as 84. Light and variable wind becoming east southeast 5 to 7 mph in the afternoon. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 80 °F

    Chance
    T-storms and
    Patchy Fog

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 65. East wind around 5 mph becoming light and variable in the evening. Chance of precipitation is 90%.

    Low: 65 °F

    Chance
    T-storms then
    Showers

  • Friday

    Friday: A slight chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 1pm. Partly sunny, with a high near 81. Calm wind becoming east southeast around 5 mph in the afternoon. Chance of precipitation is 20%.

    High: 81 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Friday Night

    Friday Night: A 50 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 65.

    Low: 65 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 80.

    High: 80 °F

    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 63.

    Low: 63 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 80.

    High: 80 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 82. Heat index values as high as 85. West wind around 5 mph.
Tonight
A slight chance of showers and thunderstorms between midnight and 2am. Patchy fog after 5am. Otherwise, partly cloudy, with a low around 66. Light and variable wind. Chance of precipitation is 20%.
Thursday
A 50 percent chance of showers and thunderstorms, mainly after 9am. Patchy fog before 8am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 80. Heat index values as high as 84. Light and variable wind becoming east southeast 5 to 7 mph in the afternoon. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 65. East wind around 5 mph becoming light and variable in the evening. Chance of precipitation is 90%.
Friday
A slight chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 1pm. Partly sunny, with a high near 81. Calm wind becoming east southeast around 5 mph in the afternoon. Chance of precipitation is 20%.
Friday Night
A 50 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 65.
Saturday
A 20 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 80.
Saturday Night
Partly cloudy, with a low around 63.
Sunday
Partly sunny, with a high near 80.
Sunday Night
A 30 percent chance of showers, mainly after 1am. Mostly cloudy, with a low around 63.
Labor Day
A 20 percent chance of showers. Partly sunny, with a high near 78.
Monday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 62.
Tuesday
A 40 percent chance of showers. Partly sunny, with a high near 77.
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ABOUT THIS FORECAST

 
Point Forecast:
Kaukauna WI
 44.29°N 88.28°W (Elev. 702 ft)
Last Update:
1:21 pm CDT Sep 2, 2026
Forecast Valid:
2pm CDT Sep 2, 2026-6pm CDT Sep 8, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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