Weather in Glenarm, IL
Updated 2026-09-26 12:30 local time · ZIP codes 62536

Overcast
No government weather alerts were returned for this location at the latest update.
Next hours
62°13% rain
63°13% rain
63°13% rain
63°14% rain
64°12% rain
66°11% rain
65°13% rain
64°11% rain
63°11% rain
62°5% rain
61°9% rain
63°14% rain3-day weather forecast



Weather details
Sunrise, sunset and moon
Key weather changes ahead
Weather insights for today
Rain chance stays relatively low over the next 12 hours (up to 14%).
It feels like 59°F with winds near 5 mph.
66°F, 11% rain chance and 3 mph wind.
Visibility is around 6 mi; gusts may reach 14 mph.
Current temperature is 62°F, wind 5 mph, rain chance up to 14%.
UV index is 3.
Local weather characteristics in Glenarm
Illinois has four distinct seasons with hot, humid summers, cold winters, strong frontal changes and frequent spring and summer thunderstorms.
Glenarm is part of the Midwest weather region. The forecast point is near 39.62°N latitude and 89.65°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.
Glenarm weather today
Overcast and 62°F in Glenarm, IL. Today's high is 66°F with a 11% rain chance. Winds are around 5 mph with gusts near 9 mph. Relative humidity is 55%, pressure is 30.16 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Glenarm
Sunrise is at 06:50 AM and sunset is at 06:49 PM. Tomorrow's forecast calls for Sunny with a high near 75°F and a low near 58°F. The maximum rain chance is 37%.