Weather in Belvidere, IL
Updated 2026-08-11 10:15 local time · ZIP codes 61008

Patchy light rain
No government weather alerts were returned for this location at the latest update.
Next hours
76°60% rain
77°72% rain
82°27% rain
84°23% rain
82°9% rain
88°5% rain
89°4% rain
85°6% rain
85°6% rain
82°7% rain
79°9% rain
76°11% rain3-day weather forecast



Weather details
Sunrise, sunset and moon
Weather insights for today
Rain chance reaches about 72% over the next 12 hours.
It feels like 78°F with winds near 11 mph.
79°F, 9% rain chance and 4 mph wind.
Visibility is around 5 mi; gusts may reach 16 mph.
Current temperature is 76°F, wind 11 mph, rain chance up to 72%.
UV index is 1.
Belvidere weather today
Patchy light rain and 76°F in Belvidere, IL. Today's high is 89°F with a 65% rain chance. Winds are around 11 mph with gusts near 16 mph. Relative humidity is 91%, pressure is 29.95 inHg, and visibility is about 5 miles.
Tonight and tomorrow in Belvidere
Sunrise is at 05:58 AM and sunset is at 08:02 PM. Tomorrow's forecast calls for Sunny with a high near 83°F and a low near 67°F. The maximum rain chance is 82%.