OCONOMOWOC, WI 53066 Weather Forecast & Current Conditions

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WATERTOWN, WI
Current Weather

3:35 PM CDT APR 1, 2026
Clear
39°F
Feels Like: 31°F
Dewpoint: 28°F
Rel. Hum.: 64%
Visibility: 10 miles
Wind: NE at 14 mph, gusts to 18
Pressure: 30.23 inches
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OCONOMOWOC, WI 53066
Weather Forecast

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REST OF TODAY
Much colder. Partly sunny. Near steady temperature in the upper 30s. Northeast winds 15 to 20 mph.
TONIGHT
Chance of light rain late in the evening. Rain, possibly mixed with freezing rain and thunderstorms after midnight. Ice accumulation of less than one quarter of an inch. Lows in the lower 30s. East winds 15 to 20 mph. Chance of precipitation near 100 percent.
THURSDAY
Warmer. Rain showers and chance of thunderstorms until late afternoon, then rain showers with thunderstorms likely late in the afternoon. Highs in the mid 60s. East winds 15 to 20 mph shifting to the south 10 to 15 mph in the afternoon. Chance of precipitation near 100 percent.
THURSDAY NIGHT
Mostly cloudy. Rain showers with thunderstorms likely through around midnight. Lows in the lower 40s. Southwest winds 10 to 20 mph. Chance of precipitation 90 percent.
FRIDAY
Cooler. Partly sunny. Highs in the lower 50s. West winds 5 to 10 mph shifting to the northeast in the afternoon.
FRIDAY NIGHT
Light rain showers and chance of thunderstorms. Lows around 40. Chance of precipitation 90 percent.
SATURDAY
Mostly cloudy. A 40 percent chance of light rain showers and thunderstorms in the morning. Highs in the mid 50s.
SATURDAY NIGHT
Mostly cloudy. Lows in the lower 30s.
SUNDAY
Partly sunny. Highs in the upper 40s.
SUNDAY NIGHT
Clear through around midnight then becoming partly cloudy. Lows in the lower 30s.
MONDAY
Partly sunny. Slight chance of light rain showers, possibly mixed with snow showers in the morning, then slight chance of light rain showers in the afternoon. Highs in the upper 40s. Chance of precipitation 20 percent.
MONDAY NIGHT
Mostly cloudy. A 20 percent chance of light rain showers and snow showers through around midnight. Lows in the mid 20s.
TUESDAY
Sunny. Highs in the lower 40s.

Visible Weather Satellite
OCONOMOWOC, WI 53066
Infrared Weather Satellite
OCONOMOWOC, WI 53066
NEXRAD Weather Radar
OCONOMOWOC, WI 53066

WATERTOWN, WI 3 hourly weather forecast

weather forecast created  5:00 AM MST  4/ 1/2026
Wednesday
1 APR 2026
OCONOMOWOC, WI 53066 weather forecast Day 1, 12 hours 12 PM 41° 33° Mostly Cloudy 10%
RAIN/SNOW
<.05 in
0% Thunder
( 1% severe)
ENE   14 54% 26°
High 43° OCONOMOWOC, WI 53066 weather forecast Day 1, 15 hours 3 PM 42° 35° Mostly Cloudy ENE   13 52% 26°
Mostly Cloudy

Chance of Rain & Snow

OCONOMOWOC, WI 53066 weather forecast Day 1, 18 hours 6 PM 38° 30° Mostly Cloudy 49%
RAIN/SNOW
.5–1.25 in
0% Thunder
( 3% severe)
E   12 61% 26°
OCONOMOWOC, WI 53066 weather forecast Day 1, 21 hours 9 PM 37° 29° Mostly Cloudy E   12 69% 28°
Thursday
2 APR 2026
OCONOMOWOC, WI 53066 weather forecast Day 2, 0 hours 12 AM 35° 26° Mostly Cloudy 97%
RAIN/ICE
***
0% Thunder
( 7% severe)
E   13 78% 29°
Low 33° OCONOMOWOC, WI 53066 weather forecast Day 2, 3 hours 3 AM 35° 26° Mostly Cloudy E   14 82% 30°
High 63° OCONOMOWOC, WI 53066 weather forecast Day 2, 6 hours 6 AM 35° 26° Mostly Cloudy 99%
RAIN
***
0% Thunder
( 17% severe)
E   14 89% 32°

Mostly Cloudy

Rain

OCONOMOWOC, WI 53066 weather forecast Day 2, 9 hours 9 AM 40° 32° Mostly Cloudy E   14 92% 38°
OCONOMOWOC, WI 53066 weather forecast Day 2, 12 hours 12 PM 47° 41° Mostly Cloudy 96%
RAIN
***
0% Thunder
( 24% severe)
ESE   13 93% 45°
OCONOMOWOC, WI 53066 weather forecast Day 2, 15 hours 3 PM 59° 56° Mostly Cloudy S   15 87% 55°
OCONOMOWOC, WI 53066 weather forecast Day 2, 18 hours 6 PM 62° 60° Mostly Cloudy 74%
RAIN
***
0% Thunder
( 26% severe)
S   14 81% 56°
OCONOMOWOC, WI 53066 weather forecast Day 2, 21 hours 9 PM 59° 56° Mostly Cloudy SSW   14 87% 55°
Friday
3 APR 2026
OCONOMOWOC, WI 53066 weather forecast Day 3, 0 hours 12 AM 53° 49° Mostly Cloudy 9%

0% Thunder
( 2% severe)
WSW   13 83% 48°
Low 41° OCONOMOWOC, WI 53066 weather forecast Day 3, 3 hours 3 AM 46° 41° Mostly Cloudy W   10 86% 42°
High 60° OCONOMOWOC, WI 53066 weather forecast Day 3, 6 hours 6 AM 41° 37° Mostly Cloudy 2%

0% Thunder
( 0% severe)
W   6 86% 37°

Mostly Cloudy

Chance of Rain

OCONOMOWOC, WI 53066 weather forecast Day 3, 9 hours 9 AM 45° 43° Mostly Cloudy W   5 76% 38°
OCONOMOWOC, WI 53066 weather forecast Day 3, 15 hours 12 PM 52° 51° Partly Cloudy 22%
RAIN
<.01 in
0% Thunder
( 6% severe)
NNW   5 66% 41°
OCONOMOWOC, WI 53066 weather forecast Day 3, 18 hours 3 PM 57° 55° Mostly Cloudy E   8 62% 44°
OCONOMOWOC, WI 53066 weather forecast Day 3, 21 hours 6 PM 52° 48° Mostly Cloudy     E   10 69% 42°

WATERTOWN, WI extended weather forecast

Saturday
4 APR 2026
Sunday
5 APR 2026
Monday
6 APR 2026
Tuesday
7 APR 2026
Wednesday
8 APR 2026
Low 39° Low 31° Low 29° Low 26° Low 26°
High 55° High 48° High 45° High 44° High 48°
OCONOMOWOC, WI 53066 weather forecast Day 4 OCONOMOWOC, WI 53066 weather forecast Day 5 OCONOMOWOC, WI 53066 weather forecast Day 6 OCONOMOWOC, WI 53066 weather forecast Day 7 <!--SEARCHED_TOWN_NAME--> weather forecast Day 8
Overcast
85% Rain
Mostly Cloudy
41% Rain/Snow
Mostly Cloudy
14% Rain/Snow
Partly Cloudy
18% Rain/Snow
Mostly Cloudy
22% Rain/Snow
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