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St. Charles School, IL Weather Forecast
St. Charles School, IL Weather Forecast Dated: 408 AM Tue Aug 18 2026 (St. Charles School Time)
Tue, 18th Lo: 18°C64°F Hi: 27°C80°F |
Overcast Tuesday, temperatures as high as 80°F27°C, low temperature around 64°F18°C, chance of rain 40%, wind out of the WSW 10 mph15 km/h. Barometric pressure 29.97 in1015 mb, visibility 6 mi10 km, humidity 77%. |
Wed, 19th Lo: 18°C65°F Hi: 24°C76°F |
Chance of showers Wednesday, temperatures as high as 76°F24°C, low temperature around 65°F18°C, chance of rain 79%, wind out of the NW 14 mph22 km/h. Barometric pressure 29.94 in1014 mb, visibility 6 mi9 km, humidity 80%. |
Thu, 20th Lo: 19°C66°F Hi: 28°C82°F |
Sunny Thursday, temperatures as high as 82°F28°C, low temperature around 66°F19°C, chance of rain 4%, wind out of the N 4 mph7 km/h. Barometric pressure 30.03 in1017 mb, visibility 6 mi10 km, humidity 57%. |
| Fri, 21st Lo: 19°C67°F Hi: 26°C80°F |
Sunny Friday, temperatures as high as 80°F26°C, low temperature around 67°F19°C, chance of rain 8%, wind out of the SW 9 mph15 km/h. Barometric pressure 30.03 in1017 mb, visibility 6 mi10 km, humidity 64%. |
| Sat, 22nd Lo: 18°C64°F Hi: 28°C82°F |
Chance of showers Saturday, temperatures as high as 82°F28°C, low temperature around 64°F18°C, chance of rain 57%, wind out of the W 11 mph17 km/h. Barometric pressure 29.94 in1014 mb, visibility 6 mi10 km, humidity 70%. |
| Sun, 23rd Lo: 17°C63°F Hi: 23°C74°F |
Overcast Sunday, temperatures as high as 74°F23°C, low temperature around 63°F17°C, chance of rain 7%, wind out of the NE 10 mph16 km/h. Barometric pressure 30.06 in1018 mb, visibility 6 mi10 km, humidity 55%. |
| Mon, 24th Lo: 17°C63°F Hi: 24°C75°F |
Sunny Monday, temperatures as high as 75°F24°C, low temperature around 63°F17°C, chance of rain 5%, wind out of the ENE 9 mph15 km/h. Barometric pressure 30.03 in1017 mb, visibility 6 mi10 km, humidity 54%. |
Tue, 25th Lo: 18°C65°F Hi: 27°C80°F |
Cloudy Tuesday, temperatures as high as 80°F27°C, low temperature around 65°F18°C, chance of rain 19%, wind out of the W 10 mph16 km/h. Barometric pressure 29.97 in1015 mb, visibility 6 mi10 km, humidity 67%. |
| Wed, 26th Lo: 16°C60°F Hi: 19°C67°F |
Chance of showers Wednesday, temperatures as high as 67°F19°C, low temperature around 60°F16°C, chance of rain 57%, wind out of the NW 12 mph19 km/h. Barometric pressure 29.94 in1014 mb, visibility 6 mi10 km, humidity 81%. |
| Thu, 27th Lo: 16°C61°F Hi: 22°C71°F |
Chance of showers Thursday, temperatures as high as 71°F22°C, low temperature around 61°F16°C, chance of rain 57%, wind out of the NNE 11 mph18 km/h. Barometric pressure 30.09 in1019 mb, visibility 6 mi10 km, humidity 73%. |
| Fri, 28th Lo: 16°C61°F Hi: 25°C76°F |
Sunny Friday, temperatures as high as 76°F25°C, low temperature around 61°F16°C, chance of rain 2%, wind out of the NE 8 mph12 km/h. Barometric pressure 30.15 in1021 mb, visibility 6 mi10 km, humidity 53%. |
| Sat, 29th Lo: 17°C62°F Hi: 25°C76°F |
Sunny Saturday, temperatures as high as 76°F25°C, low temperature around 62°F17°C, chance of rain 3%, wind out of the WSW 8 mph13 km/h. Barometric pressure 30.09 in1019 mb, visibility 6 mi10 km, humidity 55%. |
| Sun, 30th Lo: 14°C58°F Hi: 19°C66°F |
Light rain shower Sunday, temperatures as high as 66°F19°C, low temperature around 58°F14°C, chance of rain 81%, wind out of the NW 12 mph19 km/h. Barometric pressure 30 in1016 mb, visibility 6 mi10 km, humidity 81%. |
| Mon, 31st Lo: 14°C56°F Hi: 20°C69°F |
Sunny Monday, temperatures as high as 69°F20°C, low temperature around 56°F14°C, chance of rain 6%, wind out of the NNE 9 mph15 km/h. Barometric pressure 30.12 in1020 mb, visibility 6 mi10 km, humidity 57%. |
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