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Tropical trouble could stir near Southeast beaches around 4th of July. Get details Chevron right
Severe storms, flash flooding to bring July Fourth holiday travel hassles. Get details Chevron right

Ottawa, IL

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Ottawa, IL Weather
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Winter Center

Today Hourly

Daily

Radar MinuteCast Monthly Air Quality Health & Activities

July 1 - August 14

Tue 7/1

86° /63°
1%
Less humid with abundant sunshine

RealFeel®92°

RealFeel Shade™85°

Max UV Index11 (Extreme)

WindNW 8 mph

Wed 7/2

90° /67°
2%
Hot with partial sunshine

RealFeel®95°

RealFeel Shade™88°

Max UV Index11 (Extreme)

WindW 7 mph

Thu 7/3

90° /70°
25%
Partly sunny and hot

RealFeel®97°

RealFeel Shade™89°

Max UV Index10 (Very High)

WindWSW 7 mph

Fri 7/4

92° /73°
3%
Mostly sunny and hot; stay hydrated for Independence Day celebrations

RealFeel®101°

RealFeel Shade™93°

Max UV Index10 (Very High)

WindSSW 8 mph

Sat 7/5

92° /71°
40%
Hot with more clouds than sun; breezy in the morning, then a thunderstorm in spots in the afternoon; caution advised if doing strenuous activities outside

RealFeel®97°

RealFeel Shade™91°

Max UV Index9 (Very High)

WindSSW 13 mph

Sun 7/6

85° /66°
58%
Cloudy and uncomfortably humid; a thunderstorm in the afternoon

RealFeel®95°

RealFeel Shade™91°

Max UV Index5 (Moderate)

WindWSW 8 mph

Mon 7/7

82° /65°
58%
Cloudy with a thunderstorm or two

RealFeel®83°

RealFeel Shade™82°

Max UV Index2 (Low)

WindSW 5 mph

Tue 7/8

80° /66°
75%
Remaining cloudy and humid; periods of rain and a thunderstorm in the morning followed by a thunderstorm in spots in the afternoon

RealFeel®90°

RealFeel Shade™85°

Max UV Index5 (Moderate)

WindSW 8 mph

Wed 7/9

82° /65°
3%
Mostly cloudy and humid

RealFeel®97°

RealFeel Shade™89°

Max UV Index10 (Very High)

WindNW 5 mph

Thu 7/10

80° /63°
74%
Cloudy and humid with a couple of thunderstorms, especially late in the day

RealFeel®90°

RealFeel Shade™86°

Max UV Index4 (Moderate)

WindSSW 6 mph

Fri 7/11

82° /62°
40%
A stray shower in the morning; otherwise, humid with partial sunshine

RealFeel®86°

RealFeel Shade™79°

Max UV Index10 (Very High)

WindNE 9 mph

Sat 7/12

81° /63°
0%
Mostly sunny

RealFeel®85°

RealFeel Shade™78°

Max UV Index10 (Very High)

WindENE 7 mph

Sun 7/13

84° /66°
0%
Mostly sunny

RealFeel®87°

RealFeel Shade™82°

Max UV Index10 (Very High)

WindENE 7 mph

Mon 7/14

83° /64°
20%
Sun giving way to increasing clouds

RealFeel®90°

RealFeel Shade™81°

Max UV Index10 (Very High)

WindS 5 mph

Tue 7/15

85° /69°
56%
A brief morning shower; otherwise, partly sunny and humid

RealFeel®95°

RealFeel Shade™90°

Max UV Index7 (High)

WindS 5 mph

Wed 7/16

86° /68°
10%
Mostly sunny and uncomfortably humid

RealFeel®96°

RealFeel Shade™91°

Max UV Index10 (Very High)

WindNNW 6 mph

Thu 7/17

84° /67°
5%
Less humid with plenty of sunshine

RealFeel®91°

RealFeel Shade™83°

Max UV Index10 (Very High)

WindE 5 mph

Fri 7/18

83° /68°
25%
Times of clouds and sun

RealFeel®85°

RealFeel Shade™85°

Max UV Index5 (Moderate)

WindSSW 12 mph

Sat 7/19

87° /66°
20%
Sunshine and a few clouds

RealFeel®90°

RealFeel Shade™84°

Max UV Index10 (Very High)

WindN 8 mph

Sun 7/20

79° /61°
10%
Sunny and less humid

RealFeel®87°

RealFeel Shade™77°

Max UV Index10 (Very High)

WindNNE 5 mph

Mon 7/21

78° /61°
20%
Sunshine and a few clouds

RealFeel®84°

RealFeel Shade™76°

Max UV Index10 (Very High)

WindS 6 mph

Tue 7/22

81° /65°
20%
Sunny

RealFeel®86°

RealFeel Shade™78°

Max UV Index10 (Very High)

WindW 5 mph

Wed 7/23

85° /68°
5%
Sunshine

RealFeel®92°

RealFeel Shade™86°

Max UV Index10 (Very High)

WindENE 2 mph

Thu 7/24

83° /67°
20%
Mostly sunny

RealFeel®90°

RealFeel Shade™83°

Max UV Index10 (Very High)

WindNE 5 mph

Fri 7/25

80° /65°
20%
Mostly sunny

RealFeel®87°

RealFeel Shade™78°

Max UV Index10 (Very High)

WindNNE 5 mph

Sat 7/26

79° /62°
20%
Mostly sunny and less humid

RealFeel®86°

RealFeel Shade™77°

Max UV Index10 (Very High)

WindS 5 mph

Sun 7/27

82° /66°
64%
Rain

RealFeel®78°

RealFeel Shade™77°

Max UV Index2 (Low)

WindSE 12 mph

Mon 7/28

80° /65°
20%
Sunny to partly cloudy

RealFeel®86°

RealFeel Shade™81°

Max UV Index9 (Very High)

WindW 9 mph

Tue 7/29

81° /68°
55%
A passing shower in the morning; otherwise, partly sunny and humid

RealFeel®91°

RealFeel Shade™84°

Max UV Index9 (Very High)

WindWSW 2 mph

Wed 7/30

82° /65°
56%
A passing shower in the morning; otherwise, mostly sunny and humid

RealFeel®88°

RealFeel Shade™80°

Max UV Index9 (Very High)

WindWNW 8 mph

Thu 7/31

78° /61°
20%
Mostly sunny and less humid

RealFeel®82°

RealFeel Shade™75°

Max UV Index9 (Very High)

WindWNW 9 mph

Fri 8/1

78° /63°
20%
Mostly sunny

RealFeel®82°

RealFeel Shade™75°

Max UV Index9 (Very High)

WindNW 7 mph

Sat 8/2

79° /61°
5%
Plenty of sunshine

RealFeel®84°

RealFeel Shade™76°

Max UV Index9 (Very High)

WindNW 6 mph

Sun 8/3

79° /64°
20%
Sun and some clouds

RealFeel®83°

RealFeel Shade™76°

Max UV Index9 (Very High)

WindSW 5 mph

Mon 8/4

83° /67°
55%
Mostly sunny with a passing shower in the afternoon

RealFeel®90°

RealFeel Shade™82°

Max UV Index9 (Very High)

WindW 4 mph

Tue 8/5

82° /67°
63%
Cloudy; a little morning rain followed by a couple of showers and a thunderstorm in the afternoon

RealFeel®82°

RealFeel Shade™82°

Max UV Index2 (Low)

WindESE 7 mph

Wed 8/6

78° /63°
25%
Humid with times of clouds and sun

RealFeel®79°

RealFeel Shade™76°

Max UV Index4 (Moderate)

WindNNW 7 mph

Thu 8/7

78° /60°
20%
Mostly sunny and less humid

RealFeel®84°

RealFeel Shade™76°

Max UV Index9 (Very High)

WindE 5 mph

Fri 8/8

77° /64°
55%
Cloudy; a shower in spots in the morning followed by a little rain in the afternoon

RealFeel®75°

RealFeel Shade™75°

Max UV Index2 (Low)

WindSE 8 mph

Sat 8/9

78° /67°
74%
Cloudy and humid; a passing shower in the morning followed by rain in the afternoon

RealFeel®75°

RealFeel Shade™75°

Max UV Index2 (Low)

WindS 15 mph

Sun 8/10

83° /68°
67%
Cloudy and humid with showers and thunderstorms

RealFeel®86°

RealFeel Shade™86°

Max UV Index2 (Low)

WindSW 9 mph

Mon 8/11

78° /61°
78%
Some sun, then turning cloudy with a couple of showers followed by a steadier rain

RealFeel®77°

RealFeel Shade™76°

Max UV Index7 (High)

WindSE 8 mph

Tue 8/12

78° /66°
3%
Intervals of clouds and sunshine

RealFeel®85°

RealFeel Shade™81°

Max UV Index5 (Moderate)

WindWNW 5 mph

Wed 8/13

80° /68°
1%
Partly sunny and humid

RealFeel®89°

RealFeel Shade™84°

Max UV Index8 (Very High)

WindSSW 5 mph

Thu 8/14

83° /59°
8%
Humid with intervals of clouds and sunshine

RealFeel®94°

RealFeel Shade™91°

Max UV Index8 (Very High)

WindS 12 mph

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World North America United States Illinois Ottawa

Weather Near Ottawa:

  • Chicago, IL
  • Joliet, IL
  • Naperville, IL
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More
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