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Pontoon Beach, IL 14 Day Weather - WeatherWorld.com
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Pontoon Beach, IL Weather Forecast
Pontoon Beach, IL Weather Forecast Dated: 900 PM Thu Aug 13 2026 (Pontoon Beach Time)
Thu, 13th Lo: 24°C76°F Hi: 40°C104°F |
Sunny Thursday, temperatures as high as 104°F40°C, low temperature around 76°F24°C, chance of rain 5%, wind out of the S 10 mph15 km/h. Barometric pressure 29.83 in1010 mb, visibility 6 mi10 km, humidity 68%. |
| Fri, 14th Lo: 23°C74°F Hi: 39°C102°F |
Sunny Friday, temperatures as high as 102°F39°C, low temperature around 74°F23°C, chance of rain 57%, wind out of the S 8 mph13 km/h. Barometric pressure 29.91 in1013 mb, visibility 6 mi10 km, humidity 58%. |
| Sat, 15th Lo: 25°C77°F Hi: 37°C99°F |
Sunny Saturday, temperatures as high as 99°F37°C, low temperature around 77°F25°C, chance of rain 36%, wind out of the WSW 11 mph18 km/h. Barometric pressure 29.97 in1015 mb, visibility 6 mi10 km, humidity 50%. |
| Sun, 16th Lo: 25°C76°F Hi: 34°C93°F |
Sunny Sunday, temperatures as high as 93°F34°C, low temperature around 76°F25°C, chance of rain 62%, wind out of the NE 8 mph13 km/h. Barometric pressure 29.97 in1015 mb, visibility 6 mi10 km, humidity 66%. |
Mon, 17th Lo: 21°C71°F Hi: 29°C85°F |
Chance of showers Monday, temperatures as high as 85°F29°C, low temperature around 71°F21°C, chance of rain 79%, wind out of the NE 11 mph17 km/h. Barometric pressure 30 in1016 mb, visibility 5 mi8 km, humidity 81%. |
| Tue, 18th Lo: 18°C64°F Hi: 32°C89°F |
Sunny Tuesday, temperatures as high as 89°F32°C, low temperature around 64°F18°C, chance of rain 5%, wind out of the ESE 10 mph15 km/h. Barometric pressure 29.94 in1014 mb, visibility 6 mi10 km, humidity 68%. |
| Wed, 19th Lo: 20°C68°F Hi: 33°C91°F |
Sunny Wednesday, temperatures as high as 91°F33°C, low temperature around 68°F20°C, chance of rain 57%, wind out of the ESE 13 mph21 km/h. Barometric pressure 29.83 in1010 mb, visibility 6 mi10 km, humidity 75%. |
| Thu, 20th Lo: 24°C75°F Hi: 41°C107°F |
Sunny Thursday, temperatures as high as 107°F41°C, low temperature around 75°F24°C, chance of rain 5%, wind out of the SSE 10 mph15 km/h. Barometric pressure 29.77 in1008 mb, visibility 6 mi10 km, humidity 60%. |
| Fri, 21st Lo: 28°C82°F Hi: 41°C105°F |
Sunny Friday, temperatures as high as 105°F41°C, low temperature around 82°F28°C, chance of rain 1%, wind out of the WSW 14 mph22 km/h. Barometric pressure 29.8 in1009 mb, visibility 6 mi10 km, humidity 37%. |
| Sat, 22nd Lo: 23°C74°F Hi: 32°C89°F |
Sunny Saturday, temperatures as high as 89°F32°C, low temperature around 74°F23°C, chance of rain 6%, wind out of the N 10 mph16 km/h. Barometric pressure 30 in1016 mb, visibility 6 mi10 km, humidity 65%. |
| Sun, 23rd Lo: 19°C67°F Hi: 29°C84°F |
Sunny Sunday, temperatures as high as 84°F29°C, low temperature around 67°F19°C, chance of rain 4%, wind out of the ENE 9 mph15 km/h. Barometric pressure 30.09 in1019 mb, visibility 6 mi10 km, humidity 64%. |
| Mon, 24th Lo: 16°C61°F Hi: 32°C90°F |
Sunny Monday, temperatures as high as 90°F32°C, low temperature around 61°F16°C, chance of rain 3%, wind out of the E 6 mph10 km/h. Barometric pressure 30.06 in1018 mb, visibility 6 mi10 km, humidity 60%. |
| Tue, 25th Lo: 21°C69°F Hi: 36°C97°F |
Sunny Tuesday, temperatures as high as 97°F36°C, low temperature around 69°F21°C, chance of rain 2%, wind out of the SSE 8 mph13 km/h. Barometric pressure 30.06 in1018 mb, visibility 6 mi10 km, humidity 51%. |
| Wed, 26th Lo: 22°C72°F Hi: 39°C101°F |
Sunny Wednesday, temperatures as high as 101°F39°C, low temperature around 72°F22°C, chance of rain 1%, wind out of the SSE 8 mph13 km/h. Barometric pressure 30.03 in1017 mb, visibility 6 mi10 km, humidity 44%. |
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