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Portage Park, IL Weather Forecast
Portage Park, IL Weather Forecast Dated: 438 AM Tue Aug 18 2026 (Portage Park Time)
Tue, 18th Lo: 18°C64°F Hi: 27°C80°F |
Sunny Tuesday, temperatures as high as 80°F27°C, low temperature around 64°F18°C, chance of rain 22%, wind out of the WSW 11 mph17 km/h. Barometric pressure 29.97 in1015 mb, visibility 6 mi10 km, humidity 73%. |
Wed, 19th Lo: 19°C66°F Hi: 25°C76°F |
Chance of showers Wednesday, temperatures as high as 76°F25°C, low temperature around 66°F19°C, chance of rain 75%, wind out of the NW 17 mph27 km/h. Barometric pressure 29.91 in1013 mb, visibility 6 mi10 km, humidity 78%. |
| Thu, 20th Lo: 20°C67°F Hi: 26°C79°F |
Sunny Thursday, temperatures as high as 79°F26°C, low temperature around 67°F20°C, chance of rain 3%, wind out of the NE 8 mph13 km/h. Barometric pressure 30.03 in1017 mb, visibility 6 mi10 km, humidity 52%. |
| Fri, 21st Lo: 20°C68°F Hi: 28°C83°F |
Sunny Friday, temperatures as high as 83°F28°C, low temperature around 68°F20°C, chance of rain 7%, wind out of the SW 9 mph15 km/h. Barometric pressure 30.03 in1017 mb, visibility 6 mi10 km, humidity 56%. |
| Sat, 22nd Lo: 19°C66°F Hi: 29°C84°F |
Chance of showers Saturday, temperatures as high as 84°F29°C, low temperature around 66°F19°C, chance of rain 60%, wind out of the W 11 mph17 km/h. Barometric pressure 29.94 in1014 mb, visibility 6 mi10 km, humidity 65%. |
Sun, 23rd Lo: 18°C65°F Hi: 22°C72°F |
Overcast Sunday, temperatures as high as 72°F22°C, low temperature around 65°F18°C, chance of rain 7%, wind out of the NE 13 mph22 km/h. Barometric pressure 30.06 in1018 mb, visibility 6 mi10 km, humidity 54%. |
| Mon, 24th Lo: 18°C65°F Hi: 23°C73°F |
Sunny Monday, temperatures as high as 73°F23°C, low temperature around 65°F18°C, chance of rain 5%, wind out of the NE 9 mph15 km/h. Barometric pressure 30.03 in1017 mb, visibility 6 mi10 km, humidity 56%. |
| Tue, 25th Lo: 19°C67°F Hi: 28°C82°F |
Sunny Tuesday, temperatures as high as 82°F28°C, low temperature around 67°F19°C, chance of rain 17%, wind out of the SW 9 mph15 km/h. Barometric pressure 29.94 in1014 mb, visibility 6 mi10 km, humidity 62%. |
| Wed, 26th Lo: 16°C61°F Hi: 20°C67°F |
Chance of showers Wednesday, temperatures as high as 67°F20°C, low temperature around 61°F16°C, chance of rain 63%, wind out of the NW 14 mph22 km/h. Barometric pressure 29.91 in1013 mb, visibility 6 mi10 km, humidity 77%. |
| Thu, 27th Lo: 17°C63°F Hi: 21°C70°F |
Light rain shower Thursday, temperatures as high as 70°F21°C, low temperature around 63°F17°C, chance of rain 71%, wind out of the NNE 15 mph23 km/h. Barometric pressure 30.06 in1018 mb, visibility 6 mi10 km, humidity 75%. |
| Fri, 28th Lo: 17°C63°F Hi: 23°C74°F |
Sunny Friday, temperatures as high as 74°F23°C, low temperature around 63°F17°C, chance of rain 2%, wind out of the NE 8 mph13 km/h. Barometric pressure 30.15 in1021 mb, visibility 6 mi10 km, humidity 54%. |
| Sat, 29th Lo: 17°C63°F Hi: 26°C80°F |
Sunny Saturday, temperatures as high as 80°F26°C, low temperature around 63°F17°C, chance of rain 1%, wind out of the WSW 8 mph13 km/h. Barometric pressure 30.09 in1019 mb, visibility 6 mi10 km, humidity 47%. |
| Sun, 30th Lo: 16°C60°F Hi: 19°C67°F |
Light rain shower Sunday, temperatures as high as 67°F19°C, low temperature around 60°F16°C, chance of rain 81%, wind out of the WNW 15 mph25 km/h. Barometric pressure 29.97 in1015 mb, visibility 6 mi10 km, humidity 81%. |
| Mon, 31st Lo: 14°C58°F Hi: 19°C67°F |
Sunny Monday, temperatures as high as 67°F19°C, low temperature around 58°F14°C, chance of rain 17%, wind out of the NNE 13 mph20 km/h. Barometric pressure 30.12 in1020 mb, visibility 6 mi10 km, humidity 58%. |
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