10-day forecast for Chester, IL: 44° to 80°, with precipitation expected on 1 day. The table below breaks each day into morning, afternoon, evening and overnight.
77°
Best day: Thursday, October 29
54°
Worst day: Monday, November 2
Tap any day below to see morning, afternoon, evening and overnight.
Sun, 2577° / 48°0
Morning50°feels 50°
Afternoon76°feels 75°
Evening60°feels 59°
Overnight51°feels 49°
77 °
Chester, Sunday, 25 October
Overcast. High 77°, low 48°.
Pressure30.42 inHg
Wind1.5 mph SE
Humidity52%
Visibility6.2 mi
Dew point52°
Mon, 2673° / 50°0
Morning56°feels 55°
Afternoon73°feels 72°
Evening62°feels 61°
Overnight53°feels 52°
73 °
Chester, Monday, 26 October
Overcast. High 73°, low 50°.
Pressure30.33 inHg
Wind3.6 mph SW
Humidity50%
Visibility6.2 mi
Dew point52°
Tue, 2771° / 53°0
Morning54°feels 53°
Afternoon70°feels 69°
Evening62°feels 62°
Overnight55°feels 54°
71 °
Chester, Tuesday, 27 October
Overcast. High 71°, low 53°.
Pressure30.24 inHg
Wind6.4 mph S
Humidity54%
Visibility6.2 mi
Dew point52°
Wed, 2875° / 52°0
Morning56°feels 55°
Afternoon75°feels 74°
Evening65°feels 64°
Overnight56°feels 55°
75 °
Chester, Wednesday, 28 October
Clear. High 75°, low 52°.
Pressure30.21 inHg
Wind7 mph S
Humidity51%
Visibility6.2 mi
Dew point52°
Thu, 2977° / 55°0
Morning61°feels 60°
Afternoon74°feels 74°
Evening66°feels 65°
Overnight60°feels 60°
77 °
Chester, Thursday, 29 October
Overcast. High 77°, low 55°.
Pressure30.21 inHg
Wind7.1 mph SE
Humidity44%
Visibility—
Dew point50°
Fri, 3077° / 54°0
Morning60°feels 59°
Afternoon75°feels 74°
Evening67°feels 66°
Overnight64°feels 62°
77 °
Chester, Friday, 30 October
Overcast. High 77°, low 54°.
Pressure30.18 inHg
Wind10 mph S
Humidity37%
Visibility—
Dew point45°
Sat, 3176° / 62°0.02
Morning67°feels 65°
Afternoon73°feels 72°
Evening72°feels 70°
Overnight68°feels 66°
76 °
Chester, Saturday, 31 October
Light rain. High 76°, low 62°.
Pressure30.03 inHg
Wind15.3 mph S
Humidity35%
Visibility—
Dew point43°
Sun, 0180° / 63°0.16
Morning69°feels 68°
Afternoon77°feels 77°
Evening72°feels 72°
Overnight63°feels 63°
80 °
Chester, Sunday, 1 November
Rain. High 80°, low 63°.
Pressure29.80 inHg
Wind17.9 mph SW
Humidity50%
Visibility—
Dew point56°
Mon, 0254° / 44°0.04
Morning47°feels 41°
Afternoon51°feels 47°
Evening47°feels 38°
Overnight48°feels 41°
54 °
Chester, Monday, 2 November
Light rain. High 54°, low 44°.
Pressure29.77 inHg
Wind23.3 mph NW
Humidity40%
Visibility—
Dew point28°
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.