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Roundhouse Lake, IL 14 Day Weather
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Roundhouse Lake, IL Weather Forecast
Roundhouse Lake, IL Weather Forecast Dated: 114 AM Tue Aug 18 2026 (Roundhouse Lake Time)
Tue, 18th Lo: 17°C62°F Hi: 26°C78°F |
Overcast Tuesday, temperatures as high as 78°F26°C, low temperature around 62°F17°C, chance of rain 19%, wind out of the SW 11 mph18 km/h. Barometric pressure 29.97 in1015 mb, visibility 6 mi10 km, humidity 80%. |
Wed, 19th Lo: 20°C68°F Hi: 26°C78°F |
Chance of showers Wednesday, temperatures as high as 78°F26°C, low temperature around 68°F20°C, chance of rain 70%, wind out of the SSW 7 mph11 km/h. Barometric pressure 29.91 in1013 mb, visibility 5 mi8 km, humidity 87%. |
Thu, 20th Lo: 20°C68°F Hi: 26°C79°F |
Sunny Thursday, temperatures as high as 79°F26°C, low temperature around 68°F20°C, chance of rain 74%, wind out of the E 5 mph8 km/h. Barometric pressure 29.97 in1015 mb, visibility 6 mi9 km, humidity 81%. |
| Fri, 21st Lo: 18°C65°F Hi: 26°C79°F |
Sunny Friday, temperatures as high as 79°F26°C, low temperature around 65°F18°C, chance of rain 14%, wind out of the SSW 8 mph12 km/h. Barometric pressure 30.03 in1017 mb, visibility 6 mi10 km, humidity 81%. |
| Sat, 22nd Lo: 19°C66°F Hi: 26°C78°F |
Sunny Saturday, temperatures as high as 78°F26°C, low temperature around 66°F19°C, chance of rain 67%, wind out of the NW 10 mph17 km/h. Barometric pressure 29.97 in1015 mb, visibility 6 mi9 km, humidity 81%. |
| Sun, 23rd Lo: 16°C62°F Hi: 25°C77°F |
Sunny Sunday, temperatures as high as 77°F25°C, low temperature around 62°F16°C, chance of rain 12%, wind out of the SE 7 mph11 km/h. Barometric pressure 30.03 in1017 mb, visibility 6 mi10 km, humidity 78%. |
Mon, 24th Lo: 17°C62°F Hi: 26°C78°F |
Mist Monday, temperatures as high as 78°F26°C, low temperature around 62°F17°C, chance of rain 59%, wind out of the SSE 10 mph16 km/h. Barometric pressure 29.97 in1015 mb, visibility 5 mi8 km, humidity 84%. |
| Tue, 25th Lo: 19°C67°F Hi: 24°C76°F |
Mist Tuesday, temperatures as high as 76°F24°C, low temperature around 67°F19°C, chance of rain 51%, wind out of the WNW 13 mph21 km/h. Barometric pressure 29.91 in1013 mb, visibility 4 mi7 km, humidity 82%. |
| Wed, 26th Lo: 15°C59°F Hi: 19°C66°F |
Overcast Wednesday, temperatures as high as 66°F19°C, low temperature around 59°F15°C, chance of rain 19%, wind out of the NNW 19 mph30 km/h. Barometric pressure 30.03 in1017 mb, visibility 6 mi10 km, humidity 74%. |
| Thu, 27th Lo: 10°C50°F Hi: 19°C66°F |
Sunny Thursday, temperatures as high as 66°F19°C, low temperature around 50°F10°C, chance of rain 5%, wind out of the NNW 17 mph28 km/h. Barometric pressure 30.09 in1019 mb, visibility 6 mi10 km, humidity 66%. |
| Fri, 28th Lo: 11°C52°F Hi: 22°C72°F |
Sunny Friday, temperatures as high as 72°F22°C, low temperature around 52°F11°C, chance of rain 5%, wind out of the WNW 9 mph14 km/h. Barometric pressure 30.03 in1017 mb, visibility 6 mi10 km, humidity 70%. |
| Sat, 29th Lo: 13°C56°F Hi: 23°C74°F |
Overcast Saturday, temperatures as high as 74°F23°C, low temperature around 56°F13°C, chance of rain 12%, wind out of the SSE 15 mph24 km/h. Barometric pressure 30.06 in1018 mb, visibility 6 mi10 km, humidity 74%. |
| Sun, 30th Lo: 15°C58°F Hi: 21°C70°F |
Light rain shower Sunday, temperatures as high as 70°F21°C, low temperature around 58°F15°C, chance of rain 87%, wind out of the ESE 16 mph25 km/h. Barometric pressure 29.88 in1012 mb, visibility 6 mi10 km, humidity 86%. |
| Mon, 31st Lo: 14°C57°F Hi: 21°C70°F |
Chance of showers Monday, temperatures as high as 70°F21°C, low temperature around 57°F14°C, chance of rain 43%, wind out of the NNE 15 mph24 km/h. Barometric pressure 29.94 in1014 mb, visibility 6 mi9 km, humidity 88%. |
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