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June 12th, 2026 :: 9:01 am CDT   

Local Weather Report for
Belvidere
Illinois, United States

 Belvidere Weather Forecast Summary  
 
Today
Jun 12th
Saturday
Jun 13th
Sunday
Jun 14th
Monday
Jun 15th
Tuesday
Jun 16th
Sunny Mostly Sunny Mostly Sunny Mostly Sunny Mix of Cloud and Sun
75°F
78°F
59°F
65°F
52°F
68°F
50°F
75°F
55°F
 
 Belvidere Detailed Weather Forecast  
 
Friday, June 12th, 2026
Morning Temperature: 62°F
Sunny. Windy at times.
Afternoon Temperature: 74°F
Sunny. Slight chance of a thunderstorm. Windy.
Evening Temperature: 67°F
Clear. Windy at times.
Saturday, June 13th, 2026
Overnight Temperature: 60°F
Clear. Windy at times.
Morning Temperature: 67°F
Mostly sunny. Windy.
Afternoon Temperature: 78°F
Mostly sunny. Chance of a thunderstorm. Windy.
Evening Temperature: 69°F
Clear with cloudy periods with a chance of showers or thundershowers. Windy at times.
Sunday, June 14th, 2026
Overnight Temperature: 57°F
Cloudy with a chance of showers. Windy at times.
Morning Temperature: 56°F
Sunny. Windy at times.
Afternoon Temperature: 65°F
Sunny. Windy.
Evening Temperature: 58°F
Mostly clear. Windy at times.
Monday, June 15th, 2026
Overnight Temperature: 51°F
Mostly clear.
Morning Temperature: 58°F
Sunny. Windy at times.
Afternoon Temperature: 67°F
Sunny. Windy.
Evening Temperature: 60°F
A mix of cloudy and clear skies.
Tuesday, June 16th, 2026
Overnight Temperature: 55°F
A mix of cloudy and clear skies.
Morning Temperature: 60°F
A mix of cloud and sun. Slight chance of a thunderstorm. Windy at times.
Afternoon Temperature: 73°F
Sunny. Chance of a thunderstorm. Windy at times.
Evening Temperature: 65°F
Mostly cloudy with a chance of showers. Slight chance of a thunderstorm. Windy.
Wednesday, June 17th, 2026
Overnight Temperature: 61°F
Mostly cloudy with a chance of showers. Windy.
Morning Temperature: 65°F
Mostly cloudy with a chance of showers. Slight chance of a thunderstorm. Windy.
Afternoon Temperature: 71°F
Cloudy with sunny periods with a slight chance of showers or thundershowers. Windy.
Evening Temperature: 74°F
A mix of cloudy and clear skies with a few showers. Chance of a thunderstorm. Wind 20 to 30 mph.
Thursday, June 18th, 2026
Overnight Temperature: 62°F
Clear with cloudy periods with showers likely. Windy.
Morning Temperature: 61°F
Sunny. Windy.
Afternoon Temperature: 71°F
A mix of cloud and sun. Slight chance of a thunderstorm. Windy.
Evening Temperature: 64°F
Clear. Windy at times.
Friday, June 19th, 2026
Overnight Temperature: 54°F
Clear.
Morning Temperature: 60°F
Mostly sunny.
Afternoon Temperature: 73°F
Mostly sunny.
Evening Temperature: 67°F
Mostly clear.
Saturday, June 20th, 2026
Overnight Temperature: 62°F
Mostly cloudy with a slight chance of showers. Windy at times.
Morning Temperature: 68°F
Cloudy with showers. Windy.
Afternoon Temperature: 77°F
Sunny with a few showers. Chance of a thunderstorm. Windy.
Evening Temperature: 68°F
Clear with a chance of showers or thundershowers. Windy at times.





 

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This WeatherCity Weather Forecast for Belvidere, Illinois, United States is computed using a computer-generated forecast model and should be considered experimental. Please confirm this weather information with your official weather information office

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