Oconomowoc, WI Weather Forecast
Waukesha County, Wisconsin
Live radar, warnings and storm tracking for Oconomowoc, with free alerts the moment it counts.
The next few hours
Dry for the moment, with rain moving in this morning
It is 43°, but the wind is taking it down to 40° on exposed skin. The sky is clear.
The wind turns to the northwest around 6 AM. The first rain arrives between 10 AM and 11 AM. That leaves a usable window outdoors until about 10 AM, and it closes quickly after that.
Taller, warmer bars mean heavier rain. Dotted means no reading for that hour.
Hour by hour
One wet spell, dry either side of it
The wet part of the window runs from about 10 AM to noon, 2 hours of it, with the highest chance near 11 AM.
It tapers off after noon. Pressure rises 0.06 inHg behind it, which is the drier air arriving. The overnight low settles near 37°. Tomorrow reaches 50°, 8° cooler than today.
Sunrise and sunset
Next five days, scored 0 to 100The first day or two use the HRRR and NBM cloud layers. Later days only have total cloud, so treat them as a rough guide.
Know when sunset at this place will be worth a photo
We score every sunrise and sunset here from the cloud, haze and smoke forecast, and let you know when one is likely to light up. Sunrise the evening before, sunset a few hours ahead.
Seven-day outlook
24–59°F across the weekThe week runs between 24° and 59°, with today the warmest day of it. There is no real trend across it: one day looks much like the next. Tomorrow is the wettest day, peaking near 33%. 5 of the 7 days stay dry.
Free alerts for Oconomowoc
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Oconomowoc, WI at a glance
Oconomowoc is home to about 18,682 people in Waukesha County, across 12 square miles. It ranks 46th by population of 322 places in Wisconsin with a forecast here. The nearest neighbour with its own forecast is Summit, 4 miles away.
- County
- Waukesha County
- Population
- 18,682 2023 est.
- Land area
- 12 sq mi
- People per sq mi
- 1,588
- Forecast point
- 43.1004°N, 88.4927°W
How well can the network see Oconomowoc?
The nearest Doppler radar is KMKX (Milwaukee, WI), to the SSW. Its lowest scan passes about 490 ft above Oconomowoc. That is about as close as US radar coverage gets: low-level rotation and gust fronts over Oconomowoc show up clearly. Oconomowoc is closer to its radar than 96% of US cities.
The closest weather station is KRYV (Watertown Muni). Representative on most days, though a thunderstorm can hit one and miss the other.
Forecasts near Oconomowoc
- Summit, WI4 mi
- Delafield, WI6 mi
- Ixonia, WI7 mi
- Hartland, WI8 mi
- Ottawa, WI8 mi
- Wales, WI9 mi
- Ashippun, WI9 mi
- Merton, WI10 mi
Elsewhere in Wisconsin
MilwaukeeMadisonGreen BayKenoshaRacineAppletonAll Wisconsin forecasts →

