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Sun Prairie, WI

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Sun Prairie, WI Weather
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Winter Center

Today Hourly

Daily

Radar MinuteCast® Monthly Air Quality Health & Activities

September 16 - October 30

Tue 9/16

85° /56°
1%
Rather cloudy and very warm

RealFeel®87°

RealFeel Shade™83°

Max UV Index4.0 (Moderate)

WindSSE 6 mph

Wed 9/17

84° /58°
3%
Very warm with times of clouds and sun

RealFeel®88°

RealFeel Shade™82°

Max UV Index5.0 (Moderate)

WindSE 5 mph

Thu 9/18

81° /58°
6%
Warm with times of clouds and sun

RealFeel®84°

RealFeel Shade™79°

Max UV Index5.0 (Moderate)

WindESE 6 mph

Fri 9/19

78° /62°
25%
Cloudy and warm

RealFeel®77°

RealFeel Shade™75°

Max UV Index2.0 (Low)

WindSE 8 mph

Sat 9/20

79° /60°
61%
Cloudy and remaining warm; a couple of showers in the afternoon

RealFeel®77°

RealFeel Shade™75°

Max UV Index2.0 (Low)

WindS 9 mph

Sun 9/21

76° /57°
90%
Partly sunny with a couple of showers

RealFeel®78°

RealFeel Shade™73°

Max UV Index5.0 (Moderate)

WindSSW 13 mph

Mon 9/22

77° /57°
10%
Warm; mostly cloudy in the morning followed by sun through high clouds

RealFeel®79°

RealFeel Shade™78°

Max UV Index3.0 (Moderate)

WindSSW 5 mph

Tue 9/23

75° /53°
59%
Cloudy; a thunderstorm in spots in the morning followed by occasional rain and a thunderstorm in the afternoon

RealFeel®73°

RealFeel Shade™73°

Max UV Index1.0 (Low)

WindENE 8 mph

Wed 9/24

76° /56°
55%
A morning shower in the area; otherwise, warm with more clouds than sun

RealFeel®80°

RealFeel Shade™76°

Max UV Index3.0 (Moderate)

WindNE 7 mph

Thu 9/25

75° /54°
67%
Considerable cloudiness with rain tapering off

RealFeel®73°

RealFeel Shade™73°

Max UV Index1.0 (Low)

WindE 7 mph

Fri 9/26

78° /56°
75%
Warm with rain

RealFeel®84°

RealFeel Shade™84°

Max UV Index1.0 (Low)

WindESE 6 mph

Sat 9/27

78° /59°
8%
Warm; mostly cloudy in the morning followed by sun through high clouds

RealFeel®81°

RealFeel Shade™81°

Max UV Index3.0 (Moderate)

WindNE 4 mph

Sun 9/28

77° /56°
49%
A stray shower in the morning; otherwise, mostly cloudy and remaining warm

RealFeel®78°

RealFeel Shade™75°

Max UV Index3.0 (Moderate)

WindENE 5 mph

Mon 9/29

67° /45°
25%
Cloudy

RealFeel®67°

RealFeel Shade™67°

Max UV Index1.0 (Low)

WindESE 2 mph

Tue 9/30

71° /51°
20%
After a cloudy start, sun returns

RealFeel®73°

RealFeel Shade™69°

Max UV Index4.0 (Moderate)

WindWSW 6 mph

Wed 10/1

70° /51°
60%
Mostly cloudy with occasional rain in the afternoon

RealFeel®72°

RealFeel Shade™68°

Max UV Index4.0 (Moderate)

WindSW 7 mph

Thu 10/2

71° /50°
73%
Cloudy with rain tapering off

RealFeel®70°

RealFeel Shade™70°

Max UV Index1.0 (Low)

WindESE 6 mph

Fri 10/3

71° /51°
55%
Mostly cloudy with a couple of showers

RealFeel®70°

RealFeel Shade™69°

Max UV Index1.0 (Low)

WindSW 7 mph

Sat 10/4

70° /50°
25%
Turning cloudy

RealFeel®69°

RealFeel Shade™69°

Max UV Index4.0 (Moderate)

WindNNW 5 mph

Sun 10/5

69° /50°
65%
More clouds than sun with a couple of showers in the afternoon

RealFeel®67°

RealFeel Shade™67°

Max UV Index3.0 (Moderate)

WindESE 6 mph

Mon 10/6

69° /49°
56%
Occasional morning rain; otherwise, considerable cloudiness

RealFeel®67°

RealFeel Shade™67°

Max UV Index1.0 (Low)

WindSW 7 mph

Tue 10/7

68° /50°
5%
Plenty of sunshine

RealFeel®69°

RealFeel Shade™66°

Max UV Index4.0 (Moderate)

WindSW 8 mph

Wed 10/8

70° /50°
5%
Plenty of sunshine

RealFeel®72°

RealFeel Shade™68°

Max UV Index4.0 (Moderate)

WindSSW 6 mph

Thu 10/9

70° /49°
20%
Plenty of sunshine

RealFeel®71°

RealFeel Shade™67°

Max UV Index4.0 (Moderate)

WindSSW 7 mph

Fri 10/10

69° /50°
10%
Mostly sunny

RealFeel®71°

RealFeel Shade™67°

Max UV Index4.0 (Moderate)

WindS 6 mph

Sat 10/11

69° /50°
56%
Overcast with a little rain in the afternoon

RealFeel®66°

RealFeel Shade™66°

Max UV Index2.0 (Low)

WindSSE 8 mph

Sun 10/12

68° /47°
57%
A little rain in the morning; otherwise, mostly cloudy

RealFeel®67°

RealFeel Shade™64°

Max UV Index2.0 (Low)

WindWSW 12 mph

Mon 10/13

66° /46°
20%
Partly sunny

RealFeel®70°

RealFeel Shade™65°

Max UV Index4.0 (Moderate)

WindNNE 6 mph

Tue 10/14

64° /45°
25%
Cloudy

RealFeel®64°

RealFeel Shade™64°

Max UV Index1.0 (Low)

WindE 6 mph

Wed 10/15

59° /45°
55%
Sun followed by increasing clouds with a couple of showers in the afternoon

RealFeel®59°

RealFeel Shade™56°

Max UV Index3.0 (Moderate)

WindWNW 7 mph

Thu 10/16

57° /44°
20%
Mostly sunny

RealFeel®59°

RealFeel Shade™55°

Max UV Index3.0 (Moderate)

WindNNW 7 mph

Fri 10/17

60° /45°
55%
Cloudy; a morning shower in spots followed by a little rain in the afternoon

RealFeel®58°

RealFeel Shade™58°

Max UV Index1.0 (Low)

WindSSW 6 mph

Sat 10/18

56° /44°
55%
Cloudy with a little rain

RealFeel®50°

RealFeel Shade™50°

Max UV Index1.0 (Low)

WindNW 13 mph

Sun 10/19

53° /40°
59%
Periods of rain

RealFeel®45°

RealFeel Shade™45°

Max UV Index1.0 (Low)

WindNNW 15 mph

Mon 10/20

51° /38°
20%
Mostly sunny

RealFeel®55°

RealFeel Shade™51°

Max UV Index3.0 (Moderate)

WindNNW 6 mph

Tue 10/21

52° /38°
25%
Mostly cloudy

RealFeel®51°

RealFeel Shade™50°

Max UV Index2.0 (Low)

WindSSW 6 mph

Wed 10/22

54° /39°
20%
Partial sunshine

RealFeel®59°

RealFeel Shade™52°

Max UV Index3.0 (Moderate)

WindSSE 5 mph

Thu 10/23

60° /45°
60%
Considerable clouds; a morning shower in spots followed by a little rain in the afternoon

RealFeel®58°

RealFeel Shade™58°

Max UV Index1.0 (Low)

WindSSW 12 mph

Fri 10/24

62° /45°
25%
Cloudy

RealFeel®57°

RealFeel Shade™57°

Max UV Index1.0 (Low)

WindSSW 15 mph

Sat 10/25

60° /40°
72%
A thick cloud cover with rain tapering to a couple of showers

RealFeel®57°

RealFeel Shade™57°

Max UV Index1.0 (Low)

WindWNW 9 mph

Sun 10/26

50° /35°
20%
Cooler with sun followed by increasing clouds

RealFeel®49°

RealFeel Shade™45°

Max UV Index3.0 (Moderate)

WindW 9 mph

Mon 10/27

53° /41°
1%
Times of clouds and sun

RealFeel®51°

RealFeel Shade™51°

Max UV Index3.0 (Moderate)

WindNNE 9 mph

Tue 10/28

54° /37°
55%
Partly sunny with a shower in spots in the afternoon

RealFeel®51°

RealFeel Shade™50°

Max UV Index3.0 (Moderate)

WindSSE 9 mph

Wed 10/29

51° /29°
59%
Periods of rain

RealFeel®46°

RealFeel Shade™46°

Max UV Index1.0 (Low)

WindNE 9 mph

Thu 10/30

48° /27°
25%
Low clouds

RealFeel®42°

RealFeel Shade™42°

Max UV Index1.0 (Low)

WindNE 10 mph

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World North America United States Wisconsin Sun Prairie

Weather Near Sun Prairie:

  • Janesville, WI
  • Madison, WI
  • Rockford, IL
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Proven Superior Accuracy™ About AccuWeather Digital Advertising Careers Press Contact Us
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Apps & Downloads
iPhone App Android App See all Apps & Downloads
Subscription Services
AccuWeather Premium AccuWeather Professional
More
AccuWeather Ready Business Health Hurricane Leisure and Recreation Severe Weather Space and Astronomy Sports Travel Weather News Winter Center
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