SUSSEX, WI 53089 Weather Forecast & Current Conditions

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WAUKESHA, WI
Current Weather

9:45 AM CDT MAY 13, 2026
Broken Clouds
52°F
Feels Like: 47°F
Dewpoint: 36°F
Rel. Hum.: 54%
Visibility: 10 miles
Wind: NW at 17 mph, gusts to 28
Pressure: 30.00 inches
Last 72 hours

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SUSSEX, WI 53089
Weather Forecast

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Snow Depth pages
TODAY
Cooler. Mostly cloudy. Highs in the lower 60s. Northwest winds 10 to 15 mph with gusts to around 30 mph.
TONIGHT
Partly cloudy in the evening then clearing. Lows in the upper 30s. North winds up to 5 mph.
THURSDAY
Sunny. Highs in the upper 60s. Northeast winds up to 5 mph shifting to the southeast in the afternoon.
THURSDAY NIGHT
Partly cloudy through around midnight, then mostly cloudy with a 40 percent chance of light rain showers after midnight. Lows in the mid 40s. Southeast winds 5 to 10 mph.
FRIDAY
Partly sunny. A 30 percent chance of light rain showers in the morning. Highs in the upper 70s. South winds 10 to 15 mph.
FRIDAY NIGHT
Mostly clear. Lows in the mid 50s.
SATURDAY
Mostly sunny. A 20 percent chance of light rain showers and thunderstorms in the afternoon. Highs in the mid 80s.
SATURDAY NIGHT
Partly cloudy with a 50 percent chance of light rain showers and thunderstorms. Lows in the lower 50s.
SUNDAY
Mostly cloudy. Light rain showers likely and chance of thunderstorms in the morning, then chance of light rain showers and slight chance of thunderstorms in the afternoon. Cooler. Highs in the mid 70s. Chance of precipitation 60 percent.
SUNDAY NIGHT
Mostly cloudy with a 50 percent chance of light rain showers and thunderstorms. Lows in the upper 50s.
MONDAY
Partly sunny. Chance of light rain showers and slight chance of thunderstorms in the morning, then rain showers likely and chance of thunderstorms in the afternoon. Warmer. Highs in the mid 80s. Chance of precipitation 60 percent.
MONDAY NIGHT
Mostly cloudy. Rain showers likely and slight chance of thunderstorms through around midnight, then chance of light rain showers after midnight. Lows in the upper 50s. Chance of precipitation 60 percent.
TUESDAY
Partly sunny with a 50 percent chance of light rain showers. Cooler. Highs in the lower 70s.

Visible Weather Satellite
SUSSEX, WI 53089
Infrared Weather Satellite
SUSSEX, WI 53089
NEXRAD Weather Radar
SUSSEX, WI 53089

WAUKESHA, WI 3 hourly weather forecast

weather forecast created  8:00 PM EDT  5/12/2026
Wednesday
13 MAY 2026
SUSSEX, WI 53089 weather forecast Day 1, 0 hours 1 AM 54° 51° Partly Cloudy 1%

0% Thunder
( 2% severe)
NW   12 66% 43°
Low 45° SUSSEX, WI 53089 weather forecast Day 1, 3 hours 4 AM 48° 43° Partly Cloudy NW   13 68% 38°
High 61° SUSSEX, WI 53089 weather forecast Day 1, 6 hours 7 AM 46° 40° Partly Cloudy 0%

0% Thunder
( 1% severe)
NW   14 71% 37°

Mostly Cloudy



SUSSEX, WI 53089 weather forecast Day 1, 9 hours 10 AM 52° 47° Mostly Cloudy NNW   15 54% 36°
SUSSEX, WI 53089 weather forecast Day 1, 12 hours 1 PM 57° 53° Mostly Cloudy 0%

0% Thunder
( 2% severe)
NNW   16 43% 35°
SUSSEX, WI 53089 weather forecast Day 1, 15 hours 4 PM 60° 57° Mostly Cloudy NNW   15 37% 34°
SUSSEX, WI 53089 weather forecast Day 1, 18 hours 7 PM 59° 57° Partly Cloudy 0%

0% Thunder
( 1% severe)
N   10 40% 35°
SUSSEX, WI 53089 weather forecast Day 1, 21 hours 10 PM 48° 47° Clear   CALM 60% 35°
Thursday
14 MAY 2026
SUSSEX, WI 53089 weather forecast Day 2, 0 hours 1 AM 43° 42° Clear 0%

0% Thunder
( 0% severe)
  CALM 73% 35°
Low 39° SUSSEX, WI 53089 weather forecast Day 2, 3 hours 4 AM 39° 37° Clear   CALM 82% 34°
High 66° SUSSEX, WI 53089 weather forecast Day 2, 6 hours 7 AM 43° 42° Clear 0%

0% Thunder
( 0% severe)
  CALM 76% 36°

Clear



SUSSEX, WI 53089 weather forecast Day 2, 9 hours 10 AM 57° 58° Clear   CALM 43% 35°
SUSSEX, WI 53089 weather forecast Day 2, 12 hours 1 PM 63° 64° Clear 0%

0% Thunder
( 0% severe)
ESE   3 34% 34°
SUSSEX, WI 53089 weather forecast Day 2, 15 hours 4 PM 65° 65° Clear SE   8 33% 35°
SUSSEX, WI 53089 weather forecast Day 2, 18 hours 7 PM 61° 60° Partly Cloudy 5%

0% Thunder
( 3% severe)
SE   10 35% 33°
SUSSEX, WI 53089 weather forecast Day 2, 21 hours 10 PM 51° 48° Mostly Cloudy SE   7 48% 32°

WAUKESHA, WI extended weather forecast

Friday
15 MAY 2026
Saturday
16 MAY 2026
Sunday
17 MAY 2026
Monday
18 MAY 2026
Tuesday
19 MAY 2026
Low 43° Low 56° Low 50° Low 57° Low 58°
High 68° High 78° High 66° High 77° High 67°
SUSSEX, WI 53089 weather forecast Day 3 SUSSEX, WI 53089 weather forecast Day 4 SUSSEX, WI 53089 weather forecast Day 5 SUSSEX, WI 53089 weather forecast Day 6 SUSSEX, WI 53089 weather forecast Day 7
Overcast
38% Rain
Partly Cloudy
34% Rain
Mostly Cloudy
55% Rain
Mostly Cloudy
33% Rain
Overcast
51% Rain
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