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

Hazardous Weather Conditions

Current conditions at

Appleton-Outagamie (KATW)

Lat: 44.26°NLon: 88.52°WElev: 869ft.

Mostly Cloudy

93°F

34°C

Humidity 53%
Wind Speed SW 8 mph
Barometer 29.90 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index103°F (39°C)
Last update 1 Sep 4:45 pm CDT
Extended Forecast for

Appleton WI

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly after 4am. Patchy fog between 4am and 5am. Otherwise, mostly cloudy, with a low around 70. Southwest wind around 6 mph becoming calm in the evening.

    Low: 70 °F

    Mostly Cloudy
    then Chance
    T-storms and
    Patchy Fog

  • Wednesday

    Wednesday: Showers and thunderstorms likely before 9am, then a slight chance of showers after 5pm. Patchy fog before 8am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 84. Heat index values as high as 87. Calm wind becoming west around 5 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 84 °F

    Showers
    Likely and
    Patchy Fog
    then Slight
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 3am, then a chance of showers after 4am. Widespread fog, mainly after 4am. Otherwise, partly cloudy, with a low around 67. Light east wind. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 67 °F

    Chance
    Showers and
    Fog

  • Thursday

    Thursday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Widespread fog, mainly before 9am. Otherwise, mostly cloudy, with a high near 81. East wind 3 to 5 mph. Chance of precipitation is 60%.

    High: 81 °F

    Showers
    Likely and
    Fog

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 66. East wind 3 to 5 mph. Chance of precipitation is 60%.

    Low: 66 °F

    Chance
    T-storms then
    Showers
    Likely

  • Friday

    Friday: A chance of showers and thunderstorms before 7am, then a chance of showers between 7am and 1pm. Partly sunny, with a high near 81. Chance of precipitation is 50%.

    High: 81 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66.

    Low: 66 °F

    Chance
    T-storms

  • Saturday

    Saturday: Partly sunny, with a high near 80.

    High: 80 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A slight chance of showers and thunderstorms, then a chance of showers after 1am. Partly cloudy, with a low around 65. Chance of precipitation is 30%.

    Low: 65 °F

    Slight Chance
    T-storms then
    Chance
    Showers

Detailed Forecast

Tonight
A 40 percent chance of showers and thunderstorms, mainly after 4am. Patchy fog between 4am and 5am. Otherwise, mostly cloudy, with a low around 70. Southwest wind around 6 mph becoming calm in the evening.
Wednesday
Showers and thunderstorms likely before 9am, then a slight chance of showers after 5pm. Patchy fog before 8am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 84. Heat index values as high as 87. Calm wind becoming west around 5 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A chance of showers and thunderstorms before 3am, then a chance of showers after 4am. Widespread fog, mainly after 4am. Otherwise, partly cloudy, with a low around 67. Light east wind. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Widespread fog, mainly before 9am. Otherwise, mostly cloudy, with a high near 81. East wind 3 to 5 mph. Chance of precipitation is 60%.
Thursday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 66. East wind 3 to 5 mph. Chance of precipitation is 60%.
Friday
A chance of showers and thunderstorms before 7am, then a chance of showers between 7am and 1pm. Partly sunny, with a high near 81. Chance of precipitation is 50%.
Friday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66.
Saturday
Partly sunny, with a high near 80.
Saturday Night
A slight chance of showers and thunderstorms, then a chance of showers after 1am. Partly cloudy, with a low around 65. Chance of precipitation is 30%.
Sunday
A 40 percent chance of showers, mainly before 1pm. Partly sunny, with a high near 80.
Sunday Night
A 20 percent chance of showers. Partly cloudy, with a low around 62.
Labor Day
Partly sunny, with a high near 75.
Monday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 58.
Tuesday
A 30 percent chance of showers. Partly sunny, with a high near 74.
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ABOUT THIS FORECAST

 
Point Forecast:
Appleton WI
 44.29°N 88.4°W (Elev. 758 ft)
Last Update:
4:26 pm CDT Sep 1, 2026
Forecast Valid:
6pm CDT Sep 1, 2026-6pm CDT Sep 8, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation