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Summerville, IL Weather Forecast
Summerville, IL Weather Forecast Dated: 1204 AM Wed Mar 04 2026 (Summerville Time)
Wed, 4th Lo: 7°C44°F Hi: 9°C48°F |
Rain showers Wednesday, temperatures as high as 48°F9°C, low temperature around 44°F7°C, chance of rain 88%, wind out of the SE 9 mph14 km/h. Barometric pressure 30.06 in1018 mb, visibility 3 mi5 km, humidity 97%. |
| Thu, 5th Lo: 7°C44°F Hi: 15°C59°F |
Rain showers Thursday, temperatures as high as 59°F15°C, low temperature around 44°F7°C, chance of rain 89%, wind out of the SSW 15 mph23 km/h. Barometric pressure 30 in1016 mb, visibility 6 mi10 km, humidity 89%. |
Fri, 6th Lo: 12°C53°F Hi: 21°C69°F |
Overcast Friday, temperatures as high as 69°F21°C, low temperature around 53°F12°C, wind out of the S 21 mph33 km/h. Barometric pressure 29.91 in1013 mb, visibility 6 mi10 km, humidity 90%. |
Sat, 7th Lo: 7°C45°F Hi: 16°C62°F |
Cloudy Saturday, temperatures as high as 62°F16°C, low temperature around 45°F7°C, wind out of the W 18 mph29 km/h. Barometric pressure 30.09 in1019 mb, visibility 6 mi10 km, humidity 67%. |
Sun, 8th Lo: 6°C42°F Hi: 17°C62°F |
Sunny Sunday, temperatures as high as 62°F17°C, low temperature around 42°F6°C, wind out of the SSE 12 mph19 km/h. Barometric pressure 30.18 in1022 mb, visibility 6 mi10 km, humidity 65%. |
Mon, 9th Lo: 13°C55°F Hi: 21°C71°F |
Chance of showers Monday, temperatures as high as 71°F21°C, low temperature around 55°F13°C, chance of rain 87%, wind out of the SW 21 mph34 km/h. Barometric pressure 29.91 in1013 mb, visibility 6 mi10 km, humidity 81%. |
| Tue, 10th Lo: 8°C47°F Hi: 22°C72°F |
Chance of showers Tuesday, temperatures as high as 72°F22°C, low temperature around 47°F8°C, chance of rain 86%, wind out of the SSE 20 mph32 km/h. Barometric pressure 29.83 in1010 mb, visibility 6 mi9 km, humidity 82%. |
Wed, 11th Lo: 4°C38°F Hi: 8°C47°F |
Partly Cloudy Wednesday, temperatures as high as 47°F8°C, low temperature around 38°F4°C, wind out of the NE 15 mph25 km/h. Barometric pressure 30.21 in1023 mb, visibility 6 mi10 km, humidity 64%. |
| Thu, 12th Lo: 4°C39°F Hi: 11°C52°F |
Overcast Thursday, temperatures as high as 52°F11°C, low temperature around 39°F4°C, wind out of the E 11 mph18 km/h. Barometric pressure 29.94 in1014 mb, visibility 6 mi10 km, humidity 83%. |
| Fri, 13th Lo: 8°C46°F Hi: 16°C61°F |
Chance of showers Friday, temperatures as high as 61°F16°C, low temperature around 46°F8°C, chance of rain 81%, wind out of the SSE 8 mph13 km/h. Barometric pressure 29.74 in1007 mb, visibility 4 mi7 km, humidity 88%. |
| Sat, 14th Lo: 12°C53°F Hi: 22°C72°F |
Cloudy Saturday, temperatures as high as 72°F22°C, low temperature around 53°F12°C, wind out of the ESE 19 mph30 km/h. Barometric pressure 29.94 in1014 mb, visibility 5 mi8 km, humidity 83%. |
| Sun, 15th Lo: 3°C38°F Hi: 7°C44°F |
Overcast Sunday, temperatures as high as 44°F7°C, low temperature around 38°F3°C, wind out of the ESE 13 mph22 km/h. Barometric pressure 30.15 in1021 mb, visibility 6 mi10 km, humidity 82%. |
| Mon, 16th Lo: 2°C35°F Hi: 5°C42°F |
Overcast Monday, temperatures as high as 42°F5°C, low temperature around 35°F2°C, wind out of the ENE 12 mph19 km/h. Barometric pressure 30.24 in1024 mb, visibility 6 mi10 km, humidity 76%. |
| Tue, 17th Lo: 6°C42°F Hi: 8°C47°F |
Chance of showers Tuesday, temperatures as high as 47°F8°C, low temperature around 42°F6°C, chance of rain 74%, wind out of the E 9 mph15 km/h. Barometric pressure 30.12 in1020 mb, visibility 6 mi10 km, humidity 88%. |
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