SISTER BAY, WI 54234 Weather Forecast & Current Conditions

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STURGEON BAY, WI
Current Weather

8:57 AM CDT MAY 14, 2026
Clear
52°F
Feels Like: 50°F
Dewpoint: 34°F
Rel. Hum.: 50%
Visibility: 10 miles
Wind: NNW at 7 mph
Pressure: 30.12 inches
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SISTER BAY, WI 54234
Weather Forecast

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TODAY
Sunny. Highs around 60. Northwest wind 5 to 10 mph shifting to the southeast in the afternoon.
TONIGHT
Mostly clear in the evening, then mostly cloudy with a chance of showers after midnight. Lows in the middle 40s. South wind 10 to 15 mph. Chance of rain 40 percent.
FRIDAY
Blustery. Warmer. Mostly cloudy with a slight chance of showers in the morning, then mostly sunny in the afternoon. Highs in the middle 60s. South wind 15 to 25 mph with gusts to around 35 mph. Chance of rain 20 percent.
FRIDAY NIGHT
Blustery. Mostly clear in the evening then becoming mostly cloudy. Lows in the upper 40s. South wind 15 to 25 mph with gusts to around 35 mph shifting to the southwest 10 to 15 mph after midnight.
SATURDAY
Warmer. Partly cloudy in the morning then clearing. Highs in the lower 70s. Southwest wind 10 to 15 mph.
SATURDAY NIGHT
Mostly clear. Lows in the middle 40s.
SUNDAY
Partly cloudy. Highs in the lower 60s.
SUNDAY NIGHT
Showers likely and a chance of thunderstorms. Lows in the upper 40s. Chance of rain 70 percent.
MONDAY
Blustery. Warmer. Mostly cloudy with a chance of showers. Highs in the middle 70s. Chance of rain 50 percent.
MONDAY NIGHT
Showers likely and a chance of thunderstorms. Lows around 50. Chance of rain 70 percent.
TUESDAY
Partly sunny with a 50 percent chance of showers. Highs in the lower 70s.
TUESDAY NIGHT
Mostly cloudy with a 30 percent chance of showers. Lows in the middle 40s.
WEDNESDAY
Partly sunny. Highs in the middle 60s.

Visible Weather Satellite
SISTER BAY, WI 54234
Infrared Weather Satellite
SISTER BAY, WI 54234
NEXRAD Weather Radar
SISTER BAY, WI 54234

STURGEON BAY, WI 3 hourly weather forecast

weather forecast created  8:00 PM EDT  5/13/2026
Thursday
14 MAY 2026
SISTER BAY, WI 54234 weather forecast Day 1, 0 hours 1 AM 45° 41° Clear 0%

0% Thunder
( 0% severe)
NNW   8 68% 35°
Low 42° SISTER BAY, WI 54234 weather forecast Day 1, 3 hours 4 AM 43° 38° Clear NW   8 73% 35°
High 60° SISTER BAY, WI 54234 weather forecast Day 1, 6 hours 7 AM 44° 40° Clear 0%

0% Thunder
( 0% severe)
NW   7 73% 36°

Clear



SISTER BAY, WI 54234 weather forecast Day 1, 9 hours 10 AM 53° 53° Clear NNW   3 57% 38°
SISTER BAY, WI 54234 weather forecast Day 1, 12 hours 1 PM 57° 56° Clear 0%

0% Thunder
( 0% severe)
ENE   6 49% 38°
SISTER BAY, WI 54234 weather forecast Day 1, 15 hours 4 PM 58° 56° Clear SE   8 45% 37°
SISTER BAY, WI 54234 weather forecast Day 1, 18 hours 7 PM 54° 52° Partly Cloudy 2%

0% Thunder
( 0% severe)
SSE   7 50% 36°
SISTER BAY, WI 54234 weather forecast Day 1, 21 hours 10 PM 47° 43° Partly Cloudy S   8 60% 34°
Friday
15 MAY 2026
SISTER BAY, WI 54234 weather forecast Day 2, 0 hours 1 AM 46° 41° Mostly Cloudy 25%
RAIN
<.01 in
0% Thunder
( 2% severe)
S   10 65% 35°
Low 44° SISTER BAY, WI 54234 weather forecast Day 2, 3 hours 4 AM 47° 42° Mostly Cloudy S   12 63% 35°
High 64° SISTER BAY, WI 54234 weather forecast Day 2, 6 hours 7 AM 48° 42° Mostly Cloudy 10%
RAIN
<.01 in
0% Thunder
( 3% severe)
S   14 65% 37°

Partly Cloudy




Breezy
SISTER BAY, WI 54234 weather forecast Day 2, 9 hours 10 AM 54° 49° Partly Cloudy S   17 57% 39°
SISTER BAY, WI 54234 weather forecast Day 2, 12 hours 1 PM 60° 57° Partly Cloudy 2%

0% Thunder
( 4% severe)
S   18 51% 42°
SISTER BAY, WI 54234 weather forecast Day 2, 15 hours 4 PM 61° 58° Partly Cloudy S   20 56% 45°
SISTER BAY, WI 54234 weather forecast Day 2, 18 hours 7 PM 59° 56° Partly Cloudy 4%

0% Thunder
( 10% severe)
S   18 62% 46°
SISTER BAY, WI 54234 weather forecast Day 2, 21 hours 10 PM 55° 51° Partly Cloudy S   14 74% 47°

STURGEON BAY, WI extended weather forecast

Saturday
16 MAY 2026
Sunday
17 MAY 2026
Monday
18 MAY 2026
Tuesday
19 MAY 2026
Wednesday
20 MAY 2026
Low 52° Low 53° Low 56° Low 52° Low 46°
High 76° High 67° High 69° High 62° High 62°
SISTER BAY, WI 54234 weather forecast Day 3 SISTER BAY, WI 54234 weather forecast Day 4 SISTER BAY, WI 54234 weather forecast Day 5 SISTER BAY, WI 54234 weather forecast Day 6 SISTER BAY, WI 54234 weather forecast Day 7
Partly Cloudy
32% Rain
Mostly Cloudy
47% Rain
Overcast
67% Rain
Mostly Cloudy
59% Rain
Mostly Cloudy
28% Rain
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