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

Hazardous Weather Conditions

Current conditions at

Watertown (KRYV)

Lat: 43.17°NLon: 88.72°WElev: 814ft.

Fair

85°F

29°C

Humidity 36%
Wind Speed NW 5 mph
Barometer 30.17 in
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 29 Sep 4:15 pm CDT
Extended Forecast for

Oconomowoc WI

  • Tonight

    Tonight: Patchy fog after 2am. Otherwise, mostly clear, with a low around 56. East wind around 5 mph becoming calm.

    Low: 56 °F

    Clear then
    Patchy Fog

  • Tuesday

    Tuesday: Mostly sunny, with a high near 79. Light east wind increasing to 5 to 10 mph in the afternoon.

    High: 79 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 57. East wind around 5 mph.

    Low: 57 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 75. East wind 5 to 10 mph.

    High: 75 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 55. Southeast wind around 5 mph.

    Low: 55 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 78. Southeast wind around 5 mph.

    High: 78 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 58. Southeast wind around 5 mph becoming calm after midnight.

    Low: 58 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 85. Light south wind increasing to 5 to 10 mph in the morning.

    High: 85 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 63.

    Low: 63 °F

    Mostly Clear

Detailed Forecast

Tonight
Patchy fog after 2am. Otherwise, mostly clear, with a low around 56. East wind around 5 mph becoming calm.
Tuesday
Mostly sunny, with a high near 79. Light east wind increasing to 5 to 10 mph in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 57. East wind around 5 mph.
Wednesday
Partly sunny, with a high near 75. East wind 5 to 10 mph.
Wednesday Night
Mostly cloudy, with a low around 55. Southeast wind around 5 mph.
Thursday
Mostly sunny, with a high near 78. Southeast wind around 5 mph.
Thursday Night
Mostly clear, with a low around 58. Southeast wind around 5 mph becoming calm after midnight.
Friday
Sunny, with a high near 85. Light south wind increasing to 5 to 10 mph in the morning.
Friday Night
Mostly clear, with a low around 63.
Saturday
Mostly sunny, with a high near 84.
Saturday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 61.
Sunday
Mostly sunny, with a high near 82.
Sunday Night
Partly cloudy, with a low around 62.
Monday
A 20 percent chance of showers. Mostly sunny, with a high near 78.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Oconomowoc WI
 43.11°N 88.48°W (Elev. 899 ft)
Last Update:
4:11 pm CDT Sep 29, 2025
Forecast Valid:
4pm CDT Sep 29, 2025-6pm CDT Oct 6, 2025
 
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