Weather in Smithboro, IL
Updated 2026-09-26 12:30 local time · ZIP codes 62284

Overcast
No government weather alerts were returned for this location at the latest update.
Next hours
63°13% rain
63°13% rain
63°13% rain
64°13% rain
64°13% rain
65°13% rain
66°12% rain
65°12% rain
65°18% rain
64°22% rain
64°6% rain
61°37% rain3-day weather forecast



Weather details
Sunrise, sunset and moon
Key weather changes ahead
Weather insights for today
There is a moderate rain chance, peaking near 45%.
It feels like 59°F with winds near 4 mph.
66°F, 12% rain chance and 1 mph wind.
Visibility is around 6 mi; gusts may reach 8 mph.
Current temperature is 63°F, wind 4 mph, rain chance up to 45%.
UV index is 3. Sunscreen and sunglasses are sensible for longer outdoor time.
Local weather characteristics in Smithboro
Illinois has four distinct seasons with hot, humid summers, cold winters, strong frontal changes and frequent spring and summer thunderstorms.
Smithboro is part of the Midwest weather region. The forecast point is near 38.90°N latitude and 89.34°W longitude. Local temperature, wind and precipitation can still differ from nearby places, especially where terrain, coastlines or urban development create small-scale weather changes.
Smithboro weather today
Overcast and 63°F in Smithboro, IL. Today's high is 66°F with a 42% rain chance. Winds are around 4 mph with gusts near 8 mph. Relative humidity is 53%, pressure is 30.15 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Smithboro
Sunrise is at 06:48 AM and sunset is at 06:48 PM. Tomorrow's forecast calls for Sunny with a high near 77°F and a low near 57°F. The maximum rain chance is 57%.