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McHenry County, IL 14 Day Weather - WeatherWorld.com
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McHenry County, IL Weather Forecast
McHenry County, IL Weather Forecast Dated: 1225 AM Tue Mar 03 2026 (McHenry County Time)
Tue, 3rd Lo: -1°C30°F Hi: 3°C37°F |
Overcast Tuesday, temperatures as high as 37°F3°C, low temperature around 30°F-1°C, wind out of the E 7 mph12 km/h. Barometric pressure 30.18 in1022 mb, visibility 6 mi10 km, humidity 91%, uv index 0. |
Wed, 4th Lo: -4°C26°F Hi: 2°C35°F |
Mist Wednesday, temperatures as high as 35°F2°C, low temperature around 26°F-4°C, wind out of the E 11 mph18 km/h. Barometric pressure 30.18 in1022 mb, visibility 6 mi9 km, humidity 96%, uv index 0. |
| Thu, 5th Lo: 0°C33°F Hi: 4°C40°F |
Overcast Thursday, temperatures as high as 40°F4°C, low temperature around 33°F0°C, wind out of the ENE 12 mph20 km/h. Barometric pressure 30.09 in1019 mb, visibility 4 mi7 km, humidity 96%, uv index 0. |
Fri, 6th Lo: 3°C37°F Hi: 15°C58°F |
Moderate rain Friday, temperatures as high as 58°F15°C, low temperature around 37°F3°C, chance of rain 75%, wind out of the SE 20 mph32 km/h. Barometric pressure 29.97 in1015 mb, visibility 5 mi8 km, humidity 96%. |
Sat, 7th Lo: 5°C42°F Hi: 17°C63°F |
Patchy rain nearby Saturday, temperatures as high as 63°F17°C, low temperature around 42°F5°C, chance of rain 88%, wind out of the WSW 24 mph38 km/h. Barometric pressure 29.83 in1010 mb, visibility 6 mi9 km, humidity 78%. |
Sun, 8th Lo: 2°C36°F Hi: 14°C58°F |
Sunny Sunday, temperatures as high as 58°F14°C, low temperature around 36°F2°C, wind out of the SW 19 mph30 km/h. Barometric pressure 29.97 in1015 mb, visibility 6 mi10 km, humidity 61%, uv index 3. |
Mon, 9th Lo: 7°C44°F Hi: 10°C51°F |
Partly Cloudy Monday, temperatures as high as 51°F10°C, low temperature around 44°F7°C, wind out of the W 17 mph28 km/h. Barometric pressure 29.97 in1015 mb, visibility 6 mi10 km, humidity 54%, uv index 3. |
| Tue, 10th Lo: 5°C40°F Hi: 19°C67°F |
Patchy rain nearby Tuesday, temperatures as high as 67°F19°C, low temperature around 40°F5°C, chance of rain 87%, wind out of the S 32 mph51 km/h. Barometric pressure 29.71 in1006 mb, visibility 6 mi9 km, humidity 71%. |
| Wed, 11th Lo: 3°C38°F Hi: 13°C55°F |
Patchy rain nearby Wednesday, temperatures as high as 55°F13°C, low temperature around 38°F3°C, chance of rain 89%, wind out of the WNW 27 mph44 km/h. Barometric pressure 29.62 in1003 mb, visibility 6 mi9 km, humidity 71%. |
| Thu, 12th Lo: -3°C27°F Hi: 5°C41°F |
Sunny Thursday, temperatures as high as 41°F5°C, low temperature around 27°F-3°C, wind out of the SW 13 mph20 km/h. Barometric pressure 30.15 in1021 mb, visibility 6 mi10 km, humidity 54%, uv index 2. |
| Fri, 13th Lo: 1°C33°F Hi: 14°C57°F |
Sunny Friday, temperatures as high as 57°F14°C, low temperature around 33°F1°C, wind out of the SSE 23 mph38 km/h. Barometric pressure 29.94 in1014 mb, visibility 6 mi10 km, humidity 64%, uv index 3. |
| Sat, 14th Lo: -2°C29°F Hi: 4°C40°F |
Patchy rain nearby Saturday, temperatures as high as 40°F4°C, low temperature around 29°F-2°C, probability of precipitation 79%, wind out of the SW 19 mph31 km/h. Barometric pressure 30.33 in1027 mb, visibility 6 mi10 km, humidity 55%. |
Sun, 15th Lo: -1°C29°F Hi: -0°C31°F |
Blizzard Sunday, temperatures as high as 31°F-0°C, low temperature around 29°F-1°C, probability of precipitation 62%, wind out of the ENE 22 mph35 km/h. Barometric pressure 30.3 in1026 mb, visibility 3 mi5 km, humidity 84%. |
Mon, 16th Lo: -4°C26°F Hi: 1°C33°F |
Light freezing rain Monday, temperatures as high as 33°F1°C, low temperature around 26°F-4°C, probability of precipitation 89%, wind out of the WSW 17 mph27 km/h. Barometric pressure 30 in1016 mb, visibility 6 mi9 km, humidity 92%. |
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