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Lake Jacksonville, IL Weather Forecast
Lake Jacksonville, IL Weather Forecast Dated: 259 PM Sat Aug 29 2026 (Lake Jacksonville Time)
Sat, 29th Lo: 16°C60°F Hi: 31°C88°F |
Overcast Saturday, temperatures as high as 88°F31°C, low temperature around 60°F16°C, chance of rain 11%, wind out of the S 11 mph18 km/h. Barometric pressure 30.09 in1019 mb, visibility 6 mi10 km, humidity 46%. |
| Sun, 30th Lo: 20°C68°F Hi: 37°C99°F |
Overcast Sunday, temperatures as high as 99°F37°C, low temperature around 68°F20°C, chance of rain 8%, wind out of the SSW 17 mph28 km/h. Barometric pressure 29.94 in1014 mb, visibility 6 mi10 km, humidity 23%. |
| Mon, 31st Lo: 26°C78°F Hi: 40°C103°F |
Overcast Monday, temperatures as high as 103°F40°C, low temperature around 78°F26°C, chance of rain 9%, wind out of the SSW 16 mph26 km/h. Barometric pressure 29.88 in1012 mb, visibility 6 mi10 km, humidity 26%. |
| Tue, 1st Lo: 27°C81°F Hi: 41°C107°F |
Overcast Tuesday, temperatures as high as 107°F41°C, low temperature around 81°F27°C, chance of rain 9%, wind out of the WSW 15 mph24 km/h. Barometric pressure 29.88 in1012 mb, visibility 6 mi10 km, humidity 21%. |
Wed, 2nd Lo: 27°C81°F Hi: 41°C106°F |
Sunny Wednesday, temperatures as high as 106°F41°C, low temperature around 81°F27°C, wind out of the SW 14 mph22 km/h. Barometric pressure 29.88 in1012 mb, visibility 6 mi10 km, humidity 30%. |
| Thu, 3rd Lo: 28°C82°F Hi: 41°C105°F |
Overcast Thursday, temperatures as high as 105°F41°C, low temperature around 82°F28°C, chance of rain 2%, wind out of the W 7 mph11 km/h. Barometric pressure 29.91 in1013 mb, visibility 6 mi10 km, humidity 30%. |
| Fri, 4th Lo: 27°C81°F Hi: 42°C107°F |
Sunny Friday, temperatures as high as 107°F42°C, low temperature around 81°F27°C, chance of rain 3%, wind out of the SW 11 mph18 km/h. Barometric pressure 29.91 in1013 mb, visibility 6 mi10 km, humidity 21%. |
Sat, 5th Lo: 28°C82°F Hi: 41°C106°F |
Cloudy Saturday, temperatures as high as 106°F41°C, low temperature around 82°F28°C, chance of rain 4%, wind out of the SW 11 mph18 km/h. Barometric pressure 29.85 in1011 mb, visibility 6 mi10 km, humidity 22%. |
| Sun, 6th Lo: 28°C83°F Hi: 43°C109°F |
Sunny Sunday, temperatures as high as 109°F43°C, low temperature around 83°F28°C, wind out of the WSW 18 mph29 km/h. Barometric pressure 29.74 in1007 mb, visibility 6 mi10 km, humidity 19%. |
Mon, 7th Lo: 21°C70°F Hi: 34°C93°F |
Partly Cloudy Monday, temperatures as high as 93°F34°C, low temperature around 70°F21°C, chance of rain 2%, wind out of the NNE 12 mph19 km/h. Barometric pressure 29.97 in1015 mb, visibility 6 mi10 km, humidity 44%. |
| Tue, 8th Lo: 18°C64°F Hi: 33°C91°F |
Sunny Tuesday, temperatures as high as 91°F33°C, low temperature around 64°F18°C, chance of rain 2%, wind out of the SE 9 mph14 km/h. Barometric pressure 30.03 in1017 mb, visibility 6 mi10 km, humidity 46%. |
| Wed, 9th Lo: 11°C51°F Hi: 23°C74°F |
Cloudy Wednesday, temperatures as high as 74°F23°C, low temperature around 51°F11°C, chance of rain 38%, wind out of the WSW 10 mph16 km/h. Barometric pressure 29.88 in1012 mb, visibility 6 mi10 km, humidity 75%. |
| Thu, 10th Lo: 11°C52°F Hi: 25°C78°F |
Overcast Thursday, temperatures as high as 78°F25°C, low temperature around 52°F11°C, chance of rain 3%, wind out of the WNW 6 mph9 km/h. Barometric pressure 30.06 in1018 mb, visibility 6 mi10 km, humidity 38%. |
| Fri, 11th Lo: 15°C59°F Hi: 24°C76°F |
Overcast Friday, temperatures as high as 76°F24°C, low temperature around 59°F15°C, chance of rain 10%, wind out of the NE 8 mph13 km/h. Barometric pressure 30.09 in1019 mb, visibility 6 mi10 km, humidity 36%. |
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