10-day forecast for Chester, IL: 47° to 79°, with precipitation expected on 0 days. The table below breaks each day into morning, afternoon, evening and overnight.
79°
Best day: Friday, October 30
72°
Worst day: Saturday, October 31
Tap any day below to see morning, afternoon, evening and overnight.
Sun, 2577° / 47°0
Morning50°feels 50°
Afternoon76°feels 75°
Evening63°feels 62°
Overnight50°feels 49°
77 °
Chester, Sunday, 25 October
Overcast. High 77°, low 47°.
Pressure30.39 inHg
Wind0.8 mph SE
Humidity51%
Visibility6.2 mi
Dew point52°
Mon, 2674° / 56°0
Morning57°feels 56°
Afternoon73°feels 72°
Evening61°feels 60°
Overnight57°feels 56°
74 °
Chester, Monday, 26 October
Overcast. High 74°, low 56°.
Pressure30.33 inHg
Wind2.5 mph S
Humidity50%
Visibility6.2 mi
Dew point51°
Tue, 2771° / 53°0
Morning53°feels 53°
Afternoon71°feels 70°
Evening63°feels 62°
Overnight55°feels 54°
71 °
Chester, Tuesday, 27 October
Overcast. High 71°, low 53°.
Pressure30.24 inHg
Wind4.9 mph S
Humidity53%
Visibility6.2 mi
Dew point52°
Wed, 2875° / 52°0
Morning59°feels 58°
Afternoon73°feels 72°
Evening64°feels 63°
Overnight56°feels 55°
75 °
Chester, Wednesday, 28 October
Clear. High 75°, low 52°.
Pressure30.18 inHg
Wind8.1 mph S
Humidity39%
Visibility—
Dew point45°
Thu, 2977° / 55°0
Morning61°feels 60°
Afternoon74°feels 74°
Evening66°feels 65°
Overnight61°feels 60°
77 °
Chester, Thursday, 29 October
Overcast. High 77°, low 55°.
Pressure30.21 inHg
Wind7.6 mph S
Humidity44%
Visibility—
Dew point50°
Fri, 3079° / 58°0
Morning64°feels 62°
Afternoon78°feels 77°
Evening68°feels 67°
Overnight64°feels 62°
79 °
Chester, Friday, 30 October
Overcast. High 79°, low 58°.
Pressure30.18 inHg
Wind9.1 mph SW
Humidity24%
Visibility—
Dew point37°
Sat, 3172° / 63°0.03
Morning65°feels 64°
Afternoon70°feels 69°
Evening64°feels 63°
Overnight63°feels 62°
72 °
Chester, Saturday, 31 October
Light rain. High 72°, low 63°.
Pressure30.12 inHg
Wind11.3 mph SE
Humidity36%
Visibility—
Dew point42°
Sun, 0172° / 62°0.02
Morning65°feels 65°
Afternoon71°feels 71°
Evening65°feels 65°
Overnight64°feels 64°
72 °
Chester, Sunday, 1 November
Light rain. High 72°, low 62°.
Pressure30.06 inHg
Wind15.9 mph SW
Humidity60%
Visibility—
Dew point56°
Mon, 0270° / 59°0
Morning62°feels 62°
Afternoon67°feels 67°
Evening60°feels 60°
Overnight60°feels 60°
70 °
Chester, Monday, 2 November
Overcast. High 70°, low 59°.
Pressure30.00 inHg
Wind8.9 mph SE
Humidity68%
Visibility—
Dew point56°
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 Chester, 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.