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Lake County IL Weather - Clear - 34°F
Clear
34°F
Updated 12:28 am
Feels Like 29°F
Humidity 72%
Wind ESE 3 mph
Barometer  30.24 in
Dew Point 26°F
Lake County IL Weather - Clear - 1°C
Clear
1°C
Updated 12:28 am
Feels Like -1°C
Humidity 72%
Wind ESE 5 km/h
Barometer  102.4 kPa
Dew Point -3°C
Lake County, IL Weather and Current Conditionslake county il weather forecast

Lake County, IL Weather Forecast

Lake County Illinois WeatherLake County, Illinois Weather Weather Forecast
14 Day API Lake County, IL Weather Forecast. Note: Our 7 day Lake County, Illinois weather forecast is our most reliable, and specific forecast. This model should only be used as a probable scenario. Forecasting more than 7 days ahead is challenging.
Lake County, IL Weather Forecast Dated: 1228 AM Tue Mar 03 2026 (Lake County Time)
Tue, 3rd
Lake County IL Weather  - Tuesday, Mar 3, 2026 - Light Freezing Rain
Lo: -2°C29°F
Hi: 3°C37°F
Light freezing rain Tuesday, temperatures as high as 37°F3°C, low temperature around 29°F-2°C, chance of rain 68%, wind out of the E 6 mph9 km/h. Barometric pressure 30.18 in1022 mb, visibility 6 mi10 km, humidity 88%.
Wed, 4th
Lake County IL Weather  - Wednesday, Mar 4, 2026 - Mist
Lo: -3°C27°F
Hi: 2°C35°F
Mist Wednesday, temperatures as high as 35°F2°C, low temperature around 27°F-3°C, wind out of the E 9 mph14 km/h. Barometric pressure 30.18 in1022 mb, visibility 4 mi7 km, humidity 97%, uv index 0.
Thu, 5th
Lake County IL Weather  - Thursday, Mar 5, 2026 - Overcast
Lo: 1°C34°F
Hi: 5°C40°F
Overcast Thursday, temperatures as high as 40°F5°C, low temperature around 34°F1°C, wind out of the NE 9 mph15 km/h. Barometric pressure 30.09 in1019 mb, visibility 3 mi5 km, humidity 96%, uv index 0.
Fri, 6th
Lake County IL Weather  - Friday, Mar 6, 2026 - Patchy Rain Nearby
Lo: 3°C37°F
Hi: 12°C54°F
Patchy rain nearby Friday, temperatures as high as 54°F12°C, low temperature around 37°F3°C, chance of rain 88%, wind out of the SE 17 mph27 km/h. Barometric pressure 30 in1016 mb, visibility 4 mi6 km, humidity 97%.
Sat, 7th
Lake County IL Weather  - Saturday, Mar 7, 2026 - Patchy Rain Nearby
Lo: 6°C43°F
Hi: 17°C63°F
Patchy rain nearby Saturday, temperatures as high as 63°F17°C, low temperature around 43°F6°C, chance of rain 72%, wind out of the WSW 21 mph33 km/h. Barometric pressure 29.83 in1010 mb, visibility 6 mi10 km, humidity 79%.
Sun, 8th
Lake County IL Weather  - Sunday, Mar 8, 2026 - Sunny
Lo: 3°C37°F
Hi: 14°C58°F
Sunny Sunday, temperatures as high as 58°F14°C, low temperature around 37°F3°C, wind out of the SW 15 mph24 km/h. Barometric pressure 29.97 in1015 mb, visibility 6 mi10 km, humidity 61%, uv index 3.
Mon, 9th
Lake County IL Weather  - Monday, Mar 9, 2026 - Partly Cloudy
Lo: 7°C45°F
Hi: 11°C51°F
Partly Cloudy Monday, temperatures as high as 51°F11°C, low temperature around 45°F7°C, wind out of the WSW 16 mph25 km/h. Barometric pressure 29.97 in1015 mb, visibility 6 mi10 km, humidity 53%, uv index 3.
Tue, 10th
Lake County IL Weather  - Tuesday, Mar 10, 2026 - Patchy Rain Nearby
Lo: 5°C41°F
Hi: 20°C67°F
Patchy rain nearby Tuesday, temperatures as high as 67°F20°C, low temperature around 41°F5°C, chance of rain 86%, wind out of the S 29 mph46 km/h. Barometric pressure 29.71 in1006 mb, visibility 6 mi9 km, humidity 71%.
Wed, 11th
Lake County IL Weather  - Wednesday, Mar 11, 2026 - Patchy Rain Nearby
Lo: 4°C38°F
Hi: 14°C57°F
Patchy rain nearby Wednesday, temperatures as high as 57°F14°C, low temperature around 38°F4°C, chance of rain 87%, wind out of the WNW 24 mph38 km/h. Barometric pressure 29.62 in1003 mb, visibility 6 mi9 km, humidity 73%.
Thu, 12th
Lake County IL Weather  - Thursday, Mar 12, 2026 - Sunny
Lo: -2°C29°F
Hi: 4°C40°F
Sunny Thursday, temperatures as high as 40°F4°C, low temperature around 29°F-2°C, wind out of the WSW 11 mph18 km/h. Barometric pressure 30.15 in1021 mb, visibility 6 mi10 km, humidity 55%, uv index 2.
Fri, 13th
Lake County IL Weather  - Friday, Mar 13, 2026 - Sunny
Lo: 1°C34°F
Hi: 14°C57°F
Sunny Friday, temperatures as high as 57°F14°C, low temperature around 34°F1°C, wind out of the SSE 21 mph33 km/h. Barometric pressure 29.97 in1015 mb, visibility 6 mi10 km, humidity 65%, uv index 3.
Sat, 14th
Lake County IL Weather  - Saturday, Mar 14, 2026 - Patchy Rain Nearby
Lo: -1°C30°F
Hi: 5°C41°F
Patchy rain nearby Saturday, temperatures as high as 41°F5°C, low temperature around 30°F-1°C, chance of rain 77%, wind out of the SW 18 mph29 km/h. Barometric pressure 30.33 in1027 mb, visibility 6 mi10 km, humidity 54%.
Sun, 15th
Lake County IL Weather  - Sunday, Mar 15, 2026 - Heavy Snow
Lo: -1°C30°F
Hi: -0°C32°F
Heavy snow Sunday, temperatures as high as 32°F-0°C, low temperature around 30°F-1°C, probability of precipitation 78%, wind out of the ENE 19 mph31 km/h. Barometric pressure 30.3 in1026 mb, visibility 3 mi5 km, humidity 84%.
Mon, 16th
Lake County IL Weather  - Monday, Mar 16, 2026 - Light Snow Showers
Lo: -3°C26°F
Hi: 1°C34°F
Light snow showers Monday, temperatures as high as 34°F1°C, low temperature around 26°F-3°C, probability of precipitation 76%, wind out of the SSW 14 mph23 km/h. Barometric pressure 30 in1016 mb, visibility 6 mi9 km, humidity 94%.

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