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Morton Arboretum, IL Weather Forecast
Morton Arboretum, IL Weather Forecast Dated: 345 AM Wed Aug 26 2026 (Morton Arboretum Time)
Wed, 26th Lo: 19°C65°F Hi: 25°C77°F |
Chance of showers Wednesday, temperatures as high as 77°F25°C, low temperature around 65°F19°C, chance of rain 18%, wind out of the SW 11 mph17 km/h. Barometric pressure 29.91 in1013 mb, visibility 6 mi10 km, humidity 75%. |
Thu, 27th Lo: 18°C65°F Hi: 27°C80°F |
Sunny Thursday, temperatures as high as 80°F27°C, low temperature around 65°F18°C, chance of rain 2%, wind out of the NNW 7 mph12 km/h. Barometric pressure 29.97 in1015 mb, visibility 6 mi10 km, humidity 49%. |
| Fri, 28th Lo: 18°C64°F Hi: 25°C78°F |
Sunny Friday, temperatures as high as 78°F25°C, low temperature around 64°F18°C, chance of rain 2%, wind out of the E 4 mph7 km/h. Barometric pressure 30.15 in1021 mb, visibility 6 mi10 km, humidity 49%. |
Sat, 29th Lo: 18°C64°F Hi: 25°C76°F |
Overcast Saturday, temperatures as high as 76°F25°C, low temperature around 64°F18°C, chance of rain 15%, wind out of the S 9 mph14 km/h. Barometric pressure 30.15 in1021 mb, visibility 6 mi10 km, humidity 64%. |
Sun, 30th Lo: 20°C67°F Hi: 29°C84°F |
Partly Cloudy Sunday, temperatures as high as 84°F29°C, low temperature around 67°F20°C, chance of rain 5%, wind out of the SSW 15 mph25 km/h. Barometric pressure 29.88 in1012 mb, visibility 6 mi10 km, humidity 50%. |
| Mon, 31st Lo: 20°C67°F Hi: 25°C77°F |
Light rain shower Monday, temperatures as high as 77°F25°C, low temperature around 67°F20°C, chance of rain 73%, wind out of the E 3 mph5 km/h. Barometric pressure 30 in1016 mb, visibility 6 mi10 km, humidity 97%. |
| Tue, 1st Lo: 19°C67°F Hi: 25°C78°F |
Overcast Tuesday, temperatures as high as 78°F25°C, low temperature around 67°F19°C, chance of rain 26%, wind out of the SE 4 mph6 km/h. Barometric pressure 29.97 in1015 mb, visibility 6 mi10 km, humidity 73%. |
| Wed, 2nd Lo: 19°C67°F Hi: 29°C84°F |
Chance of showers Wednesday, temperatures as high as 84°F29°C, low temperature around 67°F19°C, chance of rain 24%, wind out of the WSW 3 mph5 km/h. Barometric pressure 29.88 in1012 mb, visibility 6 mi10 km, humidity 75%. |
| Thu, 3rd Lo: 21°C69°F Hi: 28°C82°F |
Sunny Thursday, temperatures as high as 82°F28°C, low temperature around 69°F21°C, chance of rain 10%, wind out of the SSE 7 mph11 km/h. Barometric pressure 29.91 in1013 mb, visibility 6 mi10 km, humidity 63%. |
| Fri, 4th Lo: 20°C68°F Hi: 29°C84°F |
Chance of showers Friday, temperatures as high as 84°F29°C, low temperature around 68°F20°C, chance of rain 16%, wind out of the SW 5 mph8 km/h. Barometric pressure 29.74 in1007 mb, visibility 6 mi10 km, humidity 67%. |
Sat, 5th Lo: 19°C66°F Hi: 25°C76°F |
Cloudy Saturday, temperatures as high as 76°F25°C, low temperature around 66°F19°C, chance of rain 67%, wind out of the W 10 mph16 km/h. Barometric pressure 29.83 in1010 mb, visibility 6 mi10 km, humidity 79%. |
| Sun, 6th Lo: 14°C58°F Hi: 19°C67°F |
Chance of showers Sunday, temperatures as high as 67°F19°C, low temperature around 58°F14°C, chance of rain 20%, wind out of the WSW 8 mph13 km/h. Barometric pressure 29.94 in1014 mb, visibility 6 mi10 km, humidity 73%. |
| Mon, 7th Lo: 15°C59°F Hi: 21°C70°F |
Overcast Monday, temperatures as high as 70°F21°C, low temperature around 59°F15°C, chance of rain 10%, wind out of the NE 7 mph11 km/h. Barometric pressure 30.12 in1020 mb, visibility 6 mi10 km, humidity 42%. |
| Tue, 8th Lo: 13°C56°F Hi: 19°C66°F |
Overcast Tuesday, temperatures as high as 66°F19°C, low temperature around 56°F13°C, chance of rain 12%, wind out of the E 10 mph17 km/h. Barometric pressure 29.94 in1014 mb, visibility 6 mi10 km, humidity 51%. |
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