10-day forecast for Chester, IL: 48° to 80°, with precipitation expected on 4 days. The table below breaks each day into morning, afternoon, evening and overnight.
80°
Best day: Thursday, October 29
72° · 0.34 in
Worst day: Monday, November 2
Tap any day below to see morning, afternoon, evening and overnight.
Tue, 2775° / 49°0
Morning52°feels 51°
Afternoon74°feels 73°
Evening62°feels 61°
Overnight53°feels 52°
75 °
Chester, Tuesday, 27 October
Overcast. High 75°, low 49°.
Pressure30.24 inHg
Wind6.2 mph S
Humidity49%
Visibility6.2 mi
Dew point50°
Wed, 2876° / 54°0
Morning57°feels 56°
Afternoon76°feels 75°
Evening65°feels 64°
Overnight56°feels 56°
76 °
Chester, Wednesday, 28 October
Clear. High 76°, low 54°.
Pressure30.21 inHg
Wind6.3 mph S
Humidity45%
Visibility6.2 mi
Dew point51°
Thu, 2980° / 57°0
Morning58°feels 57°
Afternoon79°feels 79°
Evening69°feels 68°
Overnight60°feels 58°
80 °
Chester, Thursday, 29 October
Clear. High 80°, low 57°.
Pressure30.15 inHg
Wind8.5 mph S
Humidity44%
Visibility6.2 mi
Dew point53°
Fri, 3079° / 58°0
Morning64°feels 64°
Afternoon76°feels 76°
Evening69°feels 69°
Overnight61°feels 60°
79 °
Chester, Friday, 30 October
Overcast. High 79°, low 58°.
Pressure30.15 inHg
Wind7.2 mph SE
Humidity44%
Visibility—
Dew point52°
Sat, 3170° / 61°0.01
Morning63°feels 62°
Afternoon68°feels 67°
Evening65°feels 64°
Overnight63°feels 63°
70 °
Chester, Saturday, 31 October
Light rain. High 70°, low 61°.
Pressure30.15 inHg
Wind5.9 mph SE
Humidity60%
Visibility—
Dew point53°
Sun, 0170° / 61°0.13
Morning63°feels 63°
Afternoon67°feels 67°
Evening65°feels 65°
Overnight63°feels 64°
70 °
Chester, Sunday, 1 November
Light rain. High 70°, low 61°.
Pressure30.00 inHg
Wind8.2 mph SE
Humidity80%
Visibility—
Dew point60°
Mon, 0272° / 61°0.34
Morning64°feels 64°
Afternoon70°feels 70°
Evening64°feels 64°
Overnight62°feels 63°
72 °
Chester, Monday, 2 November
Rain. High 72°, low 61°.
Pressure29.91 inHg
Wind6.9 mph S
Humidity70%
Visibility—
Dew point59°
Tue, 0365° / 52°0.05
Morning60°feels 60°
Afternoon56°feels 54°
Evening54°feels 52°
Overnight54°feels 53°
65 °
Chester, Tuesday, 3 November
Light rain. High 65°, low 52°.
Pressure29.88 inHg
Wind15.2 mph NW
Humidity71%
Visibility—
Dew point47°
Wed, 0463° / 48°0.05
Morning54°feels 52°
Afternoon60°feels 59°
Evening54°feels 53°
Overnight51°feels 49°
63 °
Chester, Wednesday, 4 November
Light rain. High 63°, low 48°.
Pressure29.94 inHg
Wind8 mph N
Humidity55%
Visibility—
Dew point44°
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.