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Midwest warmup arrives but spring struggles to take hold in the Northeast. See the forecast. Chevron right

Green Bay, IL

49°F
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Green Bay

Illinois

49°
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Green Bay, IL Weather
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April 20 - May 4

Mon 4/20

49° /46°
1%
Mostly sunny

RealFeel®63°

RealFeel Shade™49°

Max UV Index7.0 (High)

WindESE 6 mph

Tue 4/21

75° /51°
55%
Breezy and warmer with periods of clouds and sunshine; a thunderstorm in spots late in the afternoon; gusty winds and small hail can accompany any downpour

RealFeel®73°

RealFeel Shade™71°

Max UV Index7.0 (High)

WindSW 15 mph

Wed 4/22

63° /56°
8%
Mostly cloudy and cooler

RealFeel®65°

RealFeel Shade™61°

Max UV Index2.0 (Low)

WindNE 8 mph

Thu 4/23

80° /61°
18%
Warmer with intervals of clouds and sun; breezy in the afternoon

RealFeel®81°

RealFeel Shade™77°

Max UV Index4.0 (Moderate)

WindS 12 mph

Fri 4/24

69° /48°
88%
Cloudy and not as warm with a couple of showers and a thunderstorm

RealFeel®68°

RealFeel Shade™66°

Max UV Index2.0 (Low)

WindSSW 10 mph

Sat 4/25

55° /45°
20%
Mostly sunny

RealFeel®62°

RealFeel Shade™54°

Max UV Index8.0 (Very High)

WindNNE 8 mph

Sun 4/26

54° /48°
25%
Cloudy most of the time

RealFeel®53°

RealFeel Shade™50°

Max UV Index3.0 (Moderate)

WindNE 9 mph

Mon 4/27

58° /46°
80%
Rain and a thunderstorm in the morning; cloudy

RealFeel®57°

RealFeel Shade™53°

Max UV Index4.0 (Moderate)

WindWSW 10 mph

Tue 4/28

52° /44°
55%
Mostly cloudy with a shower in the area

RealFeel®50°

RealFeel Shade™47°

Max UV Index3.0 (Moderate)

WindWNW 10 mph

Wed 4/29

55° /44°
55%
Mostly cloudy with occasional rain

RealFeel®55°

RealFeel Shade™55°

Max UV Index4.0 (Moderate)

WindNNW 8 mph

Thu 4/30

58° /48°
2%
Sun and clouds

RealFeel®71°

RealFeel Shade™59°

Max UV Index8.0 (Very High)

WindSSE 2 mph

Fri 5/1

61° /46°
73%
Cloudy with periods of rain in the afternoon

RealFeel®64°

RealFeel Shade™62°

Max UV Index3.0 (Moderate)

WindS 7 mph

Sat 5/2

56° /45°
60%
Mostly cloudy with a bit of rain in the afternoon

RealFeel®61°

RealFeel Shade™57°

Max UV Index8.0 (Very High)

WindNNW 9 mph

Sun 5/3

63° /46°
60%
Periods of rain

RealFeel®62°

RealFeel Shade™61°

Max UV Index2.0 (Low)

WindSE 7 mph

Mon 5/4

57° /49°
62%
Rain

RealFeel®53°

RealFeel Shade™51°

Max UV Index2.0 (Low)

WindENE 12 mph

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  • Joliet, IL
  • Naperville, IL
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