OCONOMOWOC, WI 53066 Weather Forecast & Current Conditions

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WATERTOWN, WI
Current Weather

12:35 AM CDT JUN 21, 2025
Broken Clouds
73°F
Feels Like: 73°F
Dewpoint: 64°F
Rel. Hum.: 73%
Visibility: 10 miles
Wind: SSE at 7 mph
Pressure: 29.84 inches
Last 72 hours

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OCONOMOWOC, WI 53066
Weather Forecast

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REST OF TONIGHT
Partly cloudy. Near steady temperature in the mid 70s. South winds 10 to 15 mph.
SATURDAY
Hot and humid. Breezy. Mostly sunny. Highs in the mid 90s. Southwest winds 15 to 25 mph with gusts to around 40 mph. Highest heat index readings 102 to 107 in the late morning and afternoon.
SATURDAY NIGHT
Clear. Lows in the upper 70s. Southwest winds 15 to 20 mph with gusts to around 35 mph. Highest heat index readings 100 to 105 through around midnight.
SUNDAY
Hot and humid. Sunny. Highs in the mid 90s. Southwest winds 15 to 20 mph. Highest heat index readings 101 to 106 in the late morning and afternoon.
SUNDAY NIGHT
Clear. Lows in the mid 70s. Southwest winds 10 to 15 mph. Highest heat index readings 96 to 101 in the evening.
MONDAY
Sunny. A 20 percent chance of light showers in the afternoon. Highs in the mid 90s.
MONDAY NIGHT
Partly cloudy with a 50 percent chance of light showers and thunderstorms. Lows around 70.
TUESDAY
Partly sunny. Chance of light showers and slight chance of thunderstorms in the morning, then light showers likely and chance of thunderstorms in the afternoon. Not as warm. Highs in the lower 80s. Chance of precipitation 60 percent.
TUESDAY NIGHT
Mostly cloudy. Chance of light showers and thunderstorms through around midnight, then light showers likely and chance of thunderstorms after midnight. Lows in the lower 60s. Chance of precipitation 60 percent.
WEDNESDAY
Light showers likely and chance of thunderstorms. Highs in the mid 80s. Chance of precipitation 70 percent.
WEDNESDAY NIGHT
Mostly cloudy. Chance of light showers and thunderstorms through around midnight, then light showers likely and chance of thunderstorms after midnight. Lows in the mid 60s. Chance of precipitation 60 percent.
THURSDAY
Light showers likely in the morning, then light showers likely and slight chance of thunderstorms in the afternoon. Highs in the lower 80s. Chance of precipitation 60 percent.
THURSDAY NIGHT
Mostly cloudy with a 50 percent chance of light showers and thunderstorms. Lows in the lower 60s.

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  6:00 PM MDT  6/20/2025
Saturday
21 JUN 2025
OCONOMOWOC, WI 53066 weather forecast Day 1, 0 hours 1 AM 74° 74° Partly Cloudy 7%

0% Thunder
( 20% severe)
S   10 79% 67°
Low 72° OCONOMOWOC, WI 53066 weather forecast Day 1, 3 hours 4 AM 73° 73° Partly Cloudy SSW   12 84% 68°
High 93° OCONOMOWOC, WI 53066 weather forecast Day 1, 6 hours 7 AM 76° 77° Partly Cloudy 6%

0% Thunder
( 5% severe)
S   14 82% 70°

Partly Cloudy




Breezy
OCONOMOWOC, WI 53066 weather forecast Day 1, 9 hours 10 AM 84° 89° Partly Cloudy SSW   17 65% 71°
OCONOMOWOC, WI 53066 weather forecast Day 1, 12 hours 1 PM 90° 98° Partly Cloudy 2%

0% Thunder
( 7% severe)
SSW   18 56% 72°
OCONOMOWOC, WI 53066 weather forecast Day 1, 15 hours 4 PM 92° 99° Clear SSW   18 51% 71°
OCONOMOWOC, WI 53066 weather forecast Day 1, 18 hours 7 PM 89° 94° Partly Cloudy 2%

0% Thunder
( 13% severe)
SW   15 54% 70°
OCONOMOWOC, WI 53066 weather forecast Day 1, 21 hours 10 PM 84° 88° Clear SW   14 61% 69°
Sunday
22 JUN 2025
OCONOMOWOC, WI 53066 weather forecast Day 2, 0 hours 1 AM 80° 83° Clear 1%

0% Thunder
( 8% severe)
SW   13 72% 70°
Low 76° OCONOMOWOC, WI 53066 weather forecast Day 2, 3 hours 4 AM 78° 80° Clear SW   13 74% 69°
High 94° OCONOMOWOC, WI 53066 weather forecast Day 2, 6 hours 7 AM 79° 82° Clear 0%

0% Thunder
( 5% severe)
SW   13 74% 70°

Clear



OCONOMOWOC, WI 53066 weather forecast Day 2, 9 hours 10 AM 86° 91° Clear SW   15 59% 70°
OCONOMOWOC, WI 53066 weather forecast Day 2, 12 hours 1 PM 91° 97° Clear 0%

0% Thunder
( 9% severe)
SSW   15 50% 70°
OCONOMOWOC, WI 53066 weather forecast Day 2, 15 hours 4 PM 93° 98° Clear SSW   16 46% 69°
OCONOMOWOC, WI 53066 weather forecast Day 2, 18 hours 7 PM 89° 93° Clear 0%

0% Thunder
( 12% severe)
SSW   13 50% 68°
OCONOMOWOC, WI 53066 weather forecast Day 2, 21 hours 10 PM 83° 86° Clear SSW   12 59% 67°

WATERTOWN, WI extended weather forecast

Monday
23 JUN 2025
Tuesday
24 JUN 2025
Wednesday
25 JUN 2025
Thursday
26 JUN 2025
Friday
27 JUN 2025
Low 69° Low 69° Low 61° Low 63° Low 64°
High 94° High 79° High 78° High 83° High 87°
OCONOMOWOC, WI 53066 weather forecast Day 3 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
Partly Cloudy
18% Rain
Overcast
75% Rain
Overcast
72% Rain
Overcast
68% Rain
Overcast
56% Rain
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