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Johnstown, WI

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Johnstown, WI Weather
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Winter Center
Today Hourly

Daily

 Radar MinuteCast Monthly Air Quality Health & Activities

July 16 - August 29

Wed 7/16

85° /62°
90%
Warm and humid with sunny intervals; a couple of afternoon showers and a heavy thunderstorm; storms can bring flash flooding, damaging winds and even a tornado

RealFeel®99°

RealFeel Shade™90°

Max UV Index9 (Very High)

WindSSW 8 mph

Thu 7/17

70° /52°
4%
Mostly cloudy

RealFeel®73°

RealFeel Shade™68°

Max UV Index4 (Moderate)

WindNNE 8 mph

Fri 7/18

77° /64°
3%
Pleasant and less humid with clouds and sun

RealFeel®84°

RealFeel Shade™75°

Max UV Index10 (Very High)

WindESE 7 mph

Sat 7/19

78° /65°
80%
Cloudy and humid with a thunderstorm in the area

RealFeel®84°

RealFeel Shade™82°

Max UV Index2 (Low)

WindWSW 10 mph

Sun 7/20

80° /59°
2%
Clouds giving way to some sun and humid

RealFeel®85°

RealFeel Shade™81°

Max UV Index3 (Moderate)

WindENE 7 mph

Mon 7/21

79° /63°
25%
Mostly cloudy and humid

RealFeel®84°

RealFeel Shade™83°

Max UV Index4 (Moderate)

WindESE 10 mph

Tue 7/22

85° /67°
40%
Watch for a strong morning thunderstorm; humid with more clouds than sun

RealFeel®97°

RealFeel Shade™91°

Max UV Index5 (Moderate)

WindS 7 mph

Wed 7/23

90° /69°
2%
Hot and very humid with some sunshine

RealFeel®107°

RealFeel Shade™99°

Max UV Index6 (High)

WindSW 8 mph

Thu 7/24

85° /66°
1%
Very humid with times of clouds and sun

RealFeel®102°

RealFeel Shade™95°

Max UV Index6 (High)

WindSSW 9 mph

Fri 7/25

80° /60°
57%
Partly sunny and humid; watch for a strong thunderstorm in the morning followed by a thunderstorm in the afternoon

RealFeel®97°

RealFeel Shade™87°

Max UV Index9 (Very High)

WindS 6 mph

Sat 7/26

81° /61°
8%
Less humid with times of clouds and sun

RealFeel®93°

RealFeel Shade™82°

Max UV Index9 (Very High)

WindN 5 mph

Sun 7/27

81° /63°
17%
Mostly cloudy

RealFeel®88°

RealFeel Shade™87°

Max UV Index6 (High)

WindESE 6 mph

Mon 7/28

82° /65°
46%
A shower in spots in the morning; otherwise, cloudy and humid

RealFeel®92°

RealFeel Shade™90°

Max UV Index4 (Moderate)

WindSE 6 mph

Tue 7/29

83° /62°
5%
Sunny and humid

RealFeel®90°

RealFeel Shade™84°

Max UV Index9 (Very High)

WindW 10 mph

Wed 7/30

79° /65°
25%
Humid with considerable clouds

RealFeel®85°

RealFeel Shade™85°

Max UV Index3 (Moderate)

WindNNW 4 mph

Thu 7/31

82° /64°
25%
Mostly cloudy and humid

RealFeel®89°

RealFeel Shade™86°

Max UV Index6 (High)

WindSW 5 mph

Fri 8/1

82° /62°
65%
Humid with more clouds than sun; a couple of afternoon showers and a thunderstorm

RealFeel®88°

RealFeel Shade™87°

Max UV Index4 (Moderate)

WindSW 6 mph

Sat 8/2

80° /57°
25%
Less humid with a thick cloud cover

RealFeel®77°

RealFeel Shade™77°

Max UV Index2 (Low)

WindNE 12 mph

Sun 8/3

76° /57°
20%
Sunshine and some clouds

RealFeel®79°

RealFeel Shade™73°

Max UV Index9 (Very High)

WindENE 9 mph

Mon 8/4

76° /58°
20%
Mostly sunny

RealFeel®82°

RealFeel Shade™74°

Max UV Index9 (Very High)

WindNE 6 mph

Tue 8/5

77° /57°
25%
Increasing cloudiness

RealFeel®82°

RealFeel Shade™76°

Max UV Index8 (Very High)

WindE 4 mph

Wed 8/6

77° /60°
25%
Some sun, then increasing clouds

RealFeel®76°

RealFeel Shade™76°

Max UV Index6 (High)

WindS 6 mph

Thu 8/7

78° /64°
73%
Cloudy and humid; morning rain followed by a couple of showers and a thunderstorm in the afternoon

RealFeel®81°

RealFeel Shade™81°

Max UV Index2 (Low)

WindSW 7 mph

Fri 8/8

78° /64°
40%
Humid with variable cloudiness; a thunderstorm in spots in the afternoon

RealFeel®79°

RealFeel Shade™78°

Max UV Index4 (Moderate)

WindNNE 7 mph

Sat 8/9

77° /61°
25%
Mostly sunny

RealFeel®83°

RealFeel Shade™75°

Max UV Index8 (Very High)

WindNNE 6 mph

Sun 8/10

77° /60°
25%
Periods of clouds and sunshine

RealFeel®80°

RealFeel Shade™77°

Max UV Index4 (Moderate)

WindE 1 mph

Mon 8/11

78° /62°
10%
Sunshine

RealFeel®85°

RealFeel Shade™79°

Max UV Index8 (Very High)

WindS 6 mph

Tue 8/12

81° /64°
55%
Cloudy most of the time with a couple of showers; humid

RealFeel®84°

RealFeel Shade™84°

Max UV Index2 (Low)

WindSSW 10 mph

Wed 8/13

83° /64°
40%
Mostly sunny and humid; a thunderstorm around in the afternoon

RealFeel®89°

RealFeel Shade™86°

Max UV Index8 (Very High)

WindSSW 8 mph

Thu 8/14

84° /65°
20%
Mostly sunny and humid

RealFeel®91°

RealFeel Shade™89°

Max UV Index8 (Very High)

WindSW 10 mph

Fri 8/15

84° /64°
20%
Partly sunny and humid

RealFeel®97°

RealFeel Shade™90°

Max UV Index8 (Very High)

WindWNW 5 mph

Sat 8/16

82° /63°
5%
Sunshine and less humid

RealFeel®89°

RealFeel Shade™83°

Max UV Index8 (Very High)

WindN 5 mph

Sun 8/17

80° /63°
5%
Humid with plenty of sunshine

RealFeel®85°

RealFeel Shade™82°

Max UV Index8 (Very High)

WindSE 7 mph

Mon 8/18

84° /64°
5%
Humid with plenty of sunshine

RealFeel®93°

RealFeel Shade™91°

Max UV Index8 (Very High)

WindS 8 mph

Tue 8/19

85° /65°
5%
Warm and humid with plenty of sunshine

RealFeel®92°

RealFeel Shade™90°

Max UV Index8 (Very High)

WindSSW 10 mph

Wed 8/20

83° /64°
65%
A couple of morning showers and a thunderstorm; otherwise, mostly cloudy and humid

RealFeel®90°

RealFeel Shade™90°

Max UV Index2 (Low)

WindSSW 6 mph

Thu 8/21

83° /64°
25%
Turning cloudy and uncomfortably humid

RealFeel®96°

RealFeel Shade™94°

Max UV Index7 (High)

WindS 5 mph

Fri 8/22

84° /63°
20%
Warm and very humid with sun and some clouds

RealFeel®98°

RealFeel Shade™95°

Max UV Index7 (High)

WindSSE 4 mph

Sat 8/23

84° /64°
25%
Warm and very humid with considerable cloudiness

RealFeel®92°

RealFeel Shade™92°

Max UV Index2 (Low)

WindS 7 mph

Sun 8/24

83° /64°
20%
Brilliant sunshine, warm and humid

RealFeel®88°

RealFeel Shade™87°

Max UV Index7 (High)

WindSSW 10 mph

Mon 8/25

84° /62°
20%
Partly sunny, warm and humid

RealFeel®92°

RealFeel Shade™90°

Max UV Index6 (High)

WindE 6 mph

Tue 8/26

83° /63°
20%
Partly sunny, warm and humid

RealFeel®95°

RealFeel Shade™93°

Max UV Index7 (High)

WindE 6 mph

Wed 8/27

83° /64°
55%
A couple of morning showers; otherwise, mostly cloudy, humid and remaining warm

RealFeel®94°

RealFeel Shade™94°

Max UV Index2 (Low)

WindE 4 mph

Thu 8/28

82° /63°
65%
Turning cloudy and humid; a couple of thunderstorms in the afternoon

RealFeel®95°

RealFeel Shade™88°

Max UV Index7 (High)

WindNE 2 mph

Fri 8/29

74° /54°
57%
Mostly cloudy; a passing shower in the morning followed by a little rain in the afternoon

RealFeel®73°

RealFeel Shade™71°

Max UV Index6 (High)

WindENE 12 mph

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World North America United States Wisconsin Johnstown

Weather Near Johnstown:

  • Beloit, WI
  • Janesville, WI
  • Madison, WI
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