10-day forecast for Chatham, IL: 26° to 68°, with precipitation expected on 1 day. The table below breaks each day into morning, afternoon, evening and overnight.
68°
Best day: Friday, November 20
47°
Worst day: Saturday, November 14
Tap any day below to see morning, afternoon, evening and overnight.
Sun, 1550° / 26°0
Morning33°feels 31°
Afternoon50°feels 50°
Evening38°feels 38°
Overnight28°feels 28°
50 °
Chatham, Sunday, 15 November
Clear. High 50°, low 26°.
Pressure30.47 inHg
Wind0.3 mph E
Humidity54%
Visibility6.2 mi
Dew point30°
Mon, 1653° / 31°0
Morning36°feels 31°
Afternoon53°feels 51°
Evening40°feels 40°
Overnight33°feels 33°
53 °
Chatham, Monday, 16 November
Clear. High 53°, low 31°.
Pressure30.53 inHg
Wind3.4 mph S
Humidity47%
Visibility6.2 mi
Dew point33°
Tue, 1756° / 35°0
Morning38°feels 33°
Afternoon56°feels 53°
Evening44°feels 39°
Overnight36°feels 31°
56 °
Chatham, Tuesday, 17 November
Clear. High 56°, low 35°.
Pressure30.50 inHg
Wind7.3 mph S
Humidity51%
Visibility6.2 mi
Dew point37°
Wed, 1859° / 40°0
Morning45°feels 40°
Afternoon58°feels 56°
Evening51°feels 48°
Overnight41°feels 36°
59 °
Chatham, Wednesday, 18 November
Overcast. High 59°, low 40°.
Pressure30.36 inHg
Wind12.5 mph S
Humidity51%
Visibility6.2 mi
Dew point39°
Thu, 1965° / 47°0
Morning53°feels 49°
Afternoon62°feels 61°
Evening58°feels 57°
Overnight56°feels 54°
65 °
Chatham, Thursday, 19 November
Clear. High 65°, low 47°.
Pressure30.24 inHg
Wind11.7 mph S
Humidity49%
Visibility—
Dew point42°
Fri, 2068° / 51°0
Morning55°feels 54°
Afternoon65°feels 64°
Evening59°feels 57°
Overnight58°feels 57°
68 °
Chatham, Friday, 20 November
Overcast. High 68°, low 51°.
Pressure30.21 inHg
Wind13.8 mph S
Humidity46%
Visibility—
Dew point43°
Sat, 2165° / 53°0.07
Morning58°feels 56°
Afternoon60°feels 59°
Evening59°feels 57°
Overnight53°feels 52°
65 °
Chatham, Saturday, 21 November
Light rain. High 65°, low 53°.
Pressure29.94 inHg
Wind19.5 mph SW
Humidity71%
Visibility—
Dew point50°
Sun, 2252° / 41°0
Morning47°feels 43°
Afternoon51°feels 47°
Evening44°feels 39°
Overnight42°feels 38°
52 °
Chatham, Sunday, 22 November
Partly cloudy. High 52°, low 41°.
Pressure30.30 inHg
Wind13 mph NW
Humidity46%
Visibility—
Dew point31°
Mon, 2348° / 34°0
Morning38°feels 32°
Afternoon45°feels 41°
Evening39°feels 34°
Overnight36°feels 30°
48 °
Chatham, Monday, 23 November
Clear. High 48°, low 34°.
Pressure30.50 inHg
Wind9.7 mph NE
Humidity36%
Visibility—
Dew point19°
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 Chatham, 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.