10-day forecast for Chestnut, IL: 40° to 77°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.
77°
Best day: Wednesday, October 21
73° · 0.6 in
Worst day: Thursday, October 15
Tap any day below to see morning, afternoon, evening and overnight.
Thu, 1573° / 63°0.6
Morning65°feels 65°
Afternoon72°feels 73°
Evening70°feels 71°
Overnight66°feels 65°
73 °
Chestnut, Thursday, 15 October
Heavy rain. High 73°, low 63°.
Pressure29.97 inHg
Wind7.3 mph SE
Humidity87%
Visibility2.4 mi
Dew point66°
Fri, 1661° / 50°0.07
Morning50°feels 48°
Afternoon55°feels 53°
Evening53°feels 51°
Overnight59°feels 58°
61 °
Chestnut, Friday, 16 October
Light rain. High 61°, low 50°.
Pressure30.12 inHg
Wind18.4 mph NW
Humidity57%
Visibility6.2 mi
Dew point40°
Sat, 1757° / 41°0
Morning42°feels 37°
Afternoon56°feels 54°
Evening49°feels 49°
Overnight46°feels 40°
57 °
Chestnut, Saturday, 17 October
Clear. High 57°, low 41°.
Pressure30.56 inHg
Wind4.1 mph N
Humidity52%
Visibility6.2 mi
Dew point36°
Sun, 1862° / 41°0
Morning45°feels 42°
Afternoon61°feels 58°
Evening51°feels 48°
Overnight42°feels 40°
62 °
Chestnut, Sunday, 18 October
Clear. High 62°, low 41°.
Pressure30.50 inHg
Wind7.3 mph S
Humidity41%
Visibility6.2 mi
Dew point32°
Mon, 1965° / 40°0
Morning47°feels 46°
Afternoon62°feels 60°
Evening55°feels 52°
Overnight47°feels 46°
65 °
Chestnut, Monday, 19 October
Clear. High 65°, low 40°.
Pressure30.42 inHg
Wind4.6 mph SE
Humidity37%
Visibility—
Dew point34°
Tue, 2072° / 44°0
Morning52°feels 50°
Afternoon68°feels 67°
Evening67°feels 65°
Overnight62°feels 60°
72 °
Chestnut, Tuesday, 20 October
Clear. High 72°, low 44°.
Pressure30.30 inHg
Wind5.7 mph SE
Humidity54%
Visibility—
Dew point48°
Wed, 2177° / 57°0
Morning62°feels 62°
Afternoon74°feels 73°
Evening68°feels 67°
Overnight64°feels 63°
77 °
Chestnut, Wednesday, 21 October
Clear. High 77°, low 57°.
Pressure30.21 inHg
Wind11.4 mph S
Humidity45%
Visibility—
Dew point50°
Thu, 2269° / 64°0.19
Morning65°feels 64°
Afternoon64°feels 65°
Evening68°feels 68°
Overnight66°feels 66°
69 °
Chestnut, Thursday, 22 October
Rain. High 69°, low 64°.
Pressure30.03 inHg
Wind15.2 mph SW
Humidity85%
Visibility—
Dew point59°
Fri, 2376° / 58°0
Morning62°feels 62°
Afternoon73°feels 73°
Evening71°feels 71°
Overnight67°feels 67°
76 °
Chestnut, Friday, 23 October
Clear. High 76°, low 58°.
Pressure30.06 inHg
Wind9 mph SE
Humidity52%
Visibility—
Dew point53°
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 Chestnut, 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.