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St. Clair Lake, WI Weather Forecast
St. Clair Lake, WI Weather Forecast Dated: 521 AM Mon Aug 17 2026 (St. Clair Lake Time)
Mon, 17th Lo: 6°C43°F Hi: 28°C82°F |
Sunny Monday, temperatures as high as 82°F28°C, low temperature around 43°F6°C, chance of rain 19%, wind out of the NW 43 mph69 km/h. Barometric pressure 29.85 in1011 mb, visibility 5 mi8 km, humidity 75%. |
Tue, 18th Lo: 5°C41°F Hi: 6°C43°F |
Chance of showers Tuesday, temperatures as high as 43°F6°C, low temperature around 41°F5°C, chance of rain 82%, wind out of the N 19 mph30 km/h. Barometric pressure 29.97 in1015 mb, visibility 6 mi9 km, humidity 85%. |
| Wed, 19th Lo: 3°C37°F Hi: 5°C41°F |
Chance of showers Wednesday, temperatures as high as 41°F5°C, low temperature around 37°F3°C, chance of rain 88%, wind out of the SE 30 mph49 km/h. Barometric pressure 30 in1016 mb, visibility 4 mi7 km, humidity 86%. |
| Thu, 20th Lo: 4°C40°F Hi: 6°C42°F |
Chance of showers Thursday, temperatures as high as 42°F6°C, low temperature around 40°F4°C, chance of rain 46%, wind out of the ESE 29 mph46 km/h. Barometric pressure 30.53 in1034 mb, visibility 6 mi10 km, humidity 72%. |
Fri, 21st Lo: 5°C41°F Hi: 6°C42°F |
Overcast Friday, temperatures as high as 42°F6°C, low temperature around 41°F5°C, chance of rain 30%, wind out of the ENE 31 mph49 km/h. Barometric pressure 30.5 in1033 mb, visibility 6 mi10 km, humidity 80%. |
| Sat, 22nd Lo: 6°C42°F Hi: 6°C43°F |
Chance of showers Saturday, temperatures as high as 43°F6°C, low temperature around 42°F6°C, chance of rain 35%, wind out of the ENE 27 mph43 km/h. Barometric pressure 30.3 in1026 mb, visibility 6 mi10 km, humidity 85%. |
| Sun, 23rd Lo: 6°C42°F Hi: 7°C44°F |
Chance of showers Sunday, temperatures as high as 44°F7°C, low temperature around 42°F6°C, chance of rain 35%, wind out of the NE 31 mph50 km/h. Barometric pressure 30.03 in1017 mb, visibility 6 mi10 km, humidity 85%. |
| Mon, 24th Lo: 6°C43°F Hi: 7°C45°F |
Light rain shower Monday, temperatures as high as 45°F7°C, low temperature around 43°F6°C, chance of rain 93%, wind out of the NE 34 mph54 km/h. Barometric pressure 29.59 in1002 mb, visibility 6 mi10 km, humidity 93%. |
| Tue, 25th Lo: 6°C42°F Hi: 8°C46°F |
Overcast Tuesday, temperatures as high as 46°F8°C, low temperature around 42°F6°C, chance of rain 68%, wind out of the W 14 mph22 km/h. Barometric pressure 29.35 in994 mb, visibility 6 mi9 km, humidity 87%. |
| Wed, 26th Lo: 5°C41°F Hi: 6°C42°F |
Chance of showers Wednesday, temperatures as high as 42°F6°C, low temperature around 41°F5°C, chance of rain 55%, wind out of the WNW 26 mph42 km/h. Barometric pressure 29.44 in997 mb, visibility 6 mi10 km, humidity 85%. |
| Thu, 27th Lo: 5°C41°F Hi: 5°C42°F |
Chance of showers Thursday, temperatures as high as 42°F5°C, low temperature around 41°F5°C, chance of rain 60%, wind out of the W 23 mph36 km/h. Barometric pressure 29.53 in1000 mb, visibility 6 mi10 km, humidity 75%. |
| Fri, 28th Lo: 5°C41°F Hi: 5°C42°F |
Chance of showers Friday, temperatures as high as 42°F5°C, low temperature around 41°F5°C, chance of rain 80%, wind out of the NW 28 mph46 km/h. Barometric pressure 29.53 in1000 mb, visibility 6 mi10 km, humidity 78%. |
| Sat, 29th Lo: 4°C39°F Hi: 6°C42°F |
Chance of showers Saturday, temperatures as high as 42°F6°C, low temperature around 39°F4°C, chance of rain 71%, wind out of the W 32 mph51 km/h. Barometric pressure 29.5 in999 mb, visibility 6 mi9 km, humidity 79%. |
Sun, 30th Lo: 4°C39°F Hi: 5°C40°F |
Light sleet showers Sunday, temperatures as high as 40°F5°C, low temperature around 39°F4°C, chance of rain 63%, wind out of the SSW 34 mph54 km/h. Barometric pressure 30 in1016 mb, visibility 6 mi10 km, humidity 72%. |
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