10-day forecast for Saint George, IL: 58° to 91°, with precipitation expected on 6 days. The table below breaks each day into morning, afternoon, evening and overnight.
91°
Best day: Monday, August 10
74° · 0.23 in
Worst day: Friday, August 14
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1091° / 72°0.03
Morning77°feels 78°
Afternoon90°feels 103°
Evening79°feels 80°
Overnight78°feels 79°
91 °
Saint George, Monday, 10 August
Light rain. High 91°, low 72°.
Pressure29.88 inHg
Wind9.2 mph W
Humidity73%
Visibility6.2 mi
Dew point75°
Tue, 1185° / 70°0.08
Morning74°feels 76°
Afternoon83°feels 91°
Evening78°feels 80°
Overnight70°feels 71°
85 °
Saint George, Tuesday, 11 August
Light rain. High 85°, low 70°.
Pressure29.85 inHg
Wind8.7 mph SW
Humidity69%
Visibility6.2 mi
Dew point72°
Wed, 1282° / 69°0.06
Morning73°feels 74°
Afternoon81°feels 85°
Evening73°feels 75°
Overnight72°feels 73°
82 °
Saint George, Wednesday, 12 August
Light rain. High 82°, low 69°.
Pressure29.83 inHg
Wind7.8 mph NW
Humidity78%
Visibility6.2 mi
Dew point72°
Thu, 1375° / 60°0.13
Morning67°feels 68°
Afternoon73°feels 74°
Evening62°feels 63°
Overnight66°feels 66°
75 °
Saint George, Thursday, 13 August
Light rain. High 75°, low 60°.
Pressure30.00 inHg
Wind10.5 mph NE
Humidity67%
Visibility—
Dew point62°
Fri, 1474° / 58°0.23
Morning62°feels 62°
Afternoon71°feels 71°
Evening65°feels 65°
Overnight63°feels 62°
74 °
Saint George, Friday, 14 August
Rain. High 74°, low 58°.
Pressure30.15 inHg
Wind11 mph E
Humidity59%
Visibility—
Dew point56°
Sat, 1576° / 61°0.02
Morning65°feels 64°
Afternoon74°feels 74°
Evening69°feels 70°
Overnight66°feels 66°
76 °
Saint George, Saturday, 15 August
Light rain. High 76°, low 61°.
Pressure30.24 inHg
Wind10.3 mph SE
Humidity56%
Visibility—
Dew point56°
Sun, 1678° / 61°0.04
Morning66°feels 66°
Afternoon77°feels 78°
Evening73°feels 74°
Overnight67°feels 68°
78 °
Saint George, Sunday, 16 August
Light rain. High 78°, low 61°.
Pressure30.09 inHg
Wind7.9 mph E
Humidity69%
Visibility—
Dew point64°
Mon, 1780° / 63°0.01
Morning69°feels 69°
Afternoon78°feels 79°
Evening73°feels 74°
Overnight66°feels 67°
80 °
Saint George, Monday, 17 August
Light rain. High 80°, low 63°.
Pressure30.09 inHg
Wind7.1 mph NW
Humidity67%
Visibility—
Dew point65°
Tue, 1880° / 62°0
Morning67°feels 68°
Afternoon78°feels 79°
Evening74°feels 76°
Overnight68°feels 69°
80 °
Saint George, Tuesday, 18 August
Partly cloudy. High 80°, low 62°.
Pressure30.03 inHg
Wind6.3 mph SE
Humidity71%
Visibility—
Dew point66°
About this forecast
How reliable is a 10-day forecast?
The first 3–5 days are the most reliable, typically within 2–4°. From day six to ten the models show the trend: the direction of change is right more often than the exact numbers.
What does the time-of-day table show?
Temperature in Saint George, IL around 8am, 2pm, 8pm and 2am each day — handy for planning a walk, a drive or work outdoors.
How is the best day chosen?
We weigh the daytime high against precipitation: a warm, dry day scores highest.