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Rock Run Park, IL Weather Forecast
Rock Run Park, IL Weather Forecast Dated: 1159 PM Thu Aug 20 2026 (Rock Run Park Time)
Thu, 20th Lo: 17°C63°F Hi: 30°C86°F |
Sunny Thursday, temperatures as high as 86°F30°C, low temperature around 63°F17°C, chance of rain 3%, wind out of the NNE 8 mph13 km/h. Barometric pressure 30.03 in1017 mb, visibility 6 mi10 km, humidity 53%. |
| Fri, 21st Lo: 16°C61°F Hi: 26°C79°F |
Sunny Friday, temperatures as high as 79°F26°C, low temperature around 61°F16°C, chance of rain 75%, wind out of the SW 10 mph17 km/h. Barometric pressure 30 in1016 mb, visibility 6 mi9 km, humidity 77%. |
| Sat, 22nd Lo: 16°C62°F Hi: 24°C75°F |
Sunny Saturday, temperatures as high as 75°F24°C, low temperature around 62°F16°C, chance of rain 57%, wind out of the NW 14 mph22 km/h. Barometric pressure 29.97 in1015 mb, visibility 5 mi8 km, humidity 80%. |
| Sun, 23rd Lo: 15°C59°F Hi: 23°C73°F |
Sunny Sunday, temperatures as high as 73°F23°C, low temperature around 59°F15°C, chance of rain 10%, wind out of the NNW 9 mph14 km/h. Barometric pressure 30.03 in1017 mb, visibility 6 mi10 km, humidity 73%. |
Mon, 24th Lo: 15°C59°F Hi: 23°C74°F |
Overcast Monday, temperatures as high as 74°F23°C, low temperature around 59°F15°C, chance of rain 15%, wind out of the N 9 mph14 km/h. Barometric pressure 30.03 in1017 mb, visibility 6 mi10 km, humidity 72%. |
| Tue, 25th Lo: 16°C61°F Hi: 25°C77°F |
Sunny Tuesday, temperatures as high as 77°F25°C, low temperature around 61°F16°C, chance of rain 7%, wind out of the E 6 mph10 km/h. Barometric pressure 30.03 in1017 mb, visibility 6 mi10 km, humidity 65%. |
Wed, 26th Lo: 17°C63°F Hi: 25°C77°F |
Chance of showers Wednesday, temperatures as high as 77°F25°C, low temperature around 63°F17°C, chance of rain 40%, wind out of the SW 13 mph20 km/h. Barometric pressure 29.88 in1012 mb, visibility 6 mi10 km, humidity 85%. |
| Thu, 27th Lo: 17°C62°F Hi: 25°C77°F |
Sunny Thursday, temperatures as high as 77°F25°C, low temperature around 62°F17°C, chance of rain 11%, wind out of the NW 9 mph14 km/h. Barometric pressure 29.91 in1013 mb, visibility 6 mi10 km, humidity 79%. |
| Fri, 28th Lo: 18°C64°F Hi: 25°C76°F |
Chance of showers Friday, temperatures as high as 76°F25°C, low temperature around 64°F18°C, chance of rain 61%, wind out of the NE 8 mph13 km/h. Barometric pressure 30.09 in1019 mb, visibility 6 mi10 km, humidity 79%. |
| Sat, 29th Lo: 17°C62°F Hi: 24°C75°F |
Overcast Saturday, temperatures as high as 75°F24°C, low temperature around 62°F17°C, chance of rain 53%, wind out of the SSE 12 mph20 km/h. Barometric pressure 30.06 in1018 mb, visibility 6 mi9 km, humidity 84%. |
Sun, 30th Lo: 20°C69°F Hi: 27°C80°F |
Mist Sunday, temperatures as high as 80°F27°C, low temperature around 69°F20°C, chance of rain 81%, wind out of the SW 10 mph15 km/h. Barometric pressure 29.88 in1012 mb, visibility 4 mi7 km, humidity 87%. |
| Mon, 31st Lo: 19°C66°F Hi: 25°C77°F |
Light rain shower Monday, temperatures as high as 77°F25°C, low temperature around 66°F19°C, chance of rain 89%, wind out of the WSW 11 mph18 km/h. Barometric pressure 29.8 in1009 mb, visibility 6 mi10 km, humidity 91%. |
| Tue, 1st Lo: 15°C58°F Hi: 20°C68°F |
Sunny Tuesday, temperatures as high as 68°F20°C, low temperature around 58°F15°C, chance of rain 12%, wind out of the NNE 11 mph17 km/h. Barometric pressure 30 in1016 mb, visibility 6 mi9 km, humidity 81%. |
| Wed, 2nd Lo: 14°C57°F Hi: 22°C71°F |
Sunny Wednesday, temperatures as high as 71°F22°C, low temperature around 57°F14°C, chance of rain 81%, wind out of the SSE 18 mph29 km/h. Barometric pressure 30 in1016 mb, visibility 6 mi10 km, humidity 82%. |
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