10-day forecast for Chester, IL: 49° to 79°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.
79°
Best day: Friday, October 30
71° · 1.18 in
Worst day: Tuesday, November 3
Tap any day below to see morning, afternoon, evening and overnight.
Sat, 3173° / 55°0
Morning57°feels 57°
Afternoon72°feels 72°
Evening66°feels 66°
Overnight59°feels 58°
73 °
Chester, Saturday, 31 October
Overcast. High 73°, low 55°.
Pressure30.27 inHg
Wind2.8 mph E
Humidity56%
Visibility6.2 mi
Dew point53°
Sun, 0168° / 59°0.19
Morning59°feels 59°
Afternoon68°feels 68°
Evening63°feels 63°
Overnight63°feels 63°
68 °
Chester, Sunday, 1 November
Rain. High 68°, low 59°.
Pressure30.27 inHg
Wind10 mph SE
Humidity81%
Visibility4.2 mi
Dew point59°
Mon, 0269° / 58°0
Morning60°feels 60°
Afternoon68°feels 68°
Evening68°feels 67°
Overnight58°feels 58°
69 °
Chester, Monday, 2 November
Overcast. High 69°, low 58°.
Pressure30.09 inHg
Wind12.4 mph SE
Humidity75%
Visibility6.2 mi
Dew point57°
Tue, 0371° / 66°1.18
Morning68°feels 68°
Afternoon71°feels 71°
Evening66°feels 67°
Overnight67°feels 67°
71 °
Chester, Tuesday, 3 November
Heavy rain. High 71°, low 66°.
Pressure29.83 inHg
Wind21.3 mph S
Humidity72%
Visibility—
Dew point61°
Wed, 0465° / 60°0.52
Morning62°feels 62°
Afternoon65°feels 65°
Evening61°feels 60°
Overnight60°feels 60°
65 °
Chester, Wednesday, 4 November
Rain. High 65°, low 60°.
Pressure29.74 inHg
Wind12.4 mph NW
Humidity82%
Visibility—
Dew point59°
Thu, 0566° / 58°0
Morning60°feels 60°
Afternoon65°feels 64°
Evening61°feels 60°
Overnight60°feels 60°
66 °
Chester, Thursday, 5 November
Light rain. High 66°, low 58°.
Pressure29.68 inHg
Wind13.6 mph NW
Humidity61%
Visibility—
Dew point51°
Fri, 0666° / 49°0
Morning54°feels 52°
Afternoon64°feels 62°
Evening56°feels 54°
Overnight52°feels 50°
66 °
Chester, Friday, 6 November
Mostly clear. High 66°, low 49°.
Pressure30.06 inHg
Wind7.4 mph N
Humidity49%
Visibility—
Dew point44°
Sat, 0769° / 49°0
Morning54°feels 53°
Afternoon65°feels 64°
Evening58°feels 57°
Overnight55°feels 53°
69 °
Chester, Saturday, 7 November
Overcast. High 69°, low 49°.
Pressure30.24 inHg
Wind6.8 mph S
Humidity43%
Visibility—
Dew point41°
Sun, 0870° / 52°0
Morning60°feels 59°
Afternoon68°feels 66°
Evening56°feels 54°
Overnight53°feels 51°
70 °
Chester, Sunday, 8 November
Overcast. High 70°, low 52°.
Pressure30.21 inHg
Wind14.3 mph NW
Humidity35%
Visibility—
Dew point39°
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.