10-day forecast for Clayton, IL: 40° to 68°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.
65°
Best day: Monday, November 2
68° · 1.09 in
Worst day: Tuesday, November 3
Tap any day below to see morning, afternoon, evening and overnight.
Tue, 0368° / 62°1.09
Morning64°feels 64°
Afternoon68°feels 69°
Evening64°feels 65°
Overnight65°feels 65°
68 °
Clayton, Tuesday, 3 November
Heavy rain. High 68°, low 62°.
Pressure29.77 inHg
Wind22.7 mph S
Humidity75%
Visibility4.3 mi
Dew point64°
Wed, 0462° / 51°0
Morning54°feels 53°
Afternoon58°feels 56°
Evening53°feels 52°
Overnight59°feels 58°
62 °
Clayton, Wednesday, 4 November
Overcast. High 62°, low 51°.
Pressure29.80 inHg
Wind14.5 mph SW
Humidity65%
Visibility6.2 mi
Dew point45°
Thu, 0560° / 47°0
Morning49°feels 46°
Afternoon60°feels 58°
Evening53°feels 51°
Overnight50°feels 46°
60 °
Clayton, Thursday, 5 November
Clear. High 60°, low 47°.
Pressure29.80 inHg
Wind12.8 mph W
Humidity53%
Visibility6.2 mi
Dew point41°
Fri, 0652° / 45°0
Morning48°feels 43°
Afternoon52°feels 49°
Evening51°feels 49°
Overnight48°feels 44°
52 °
Clayton, Friday, 6 November
Overcast. High 52°, low 45°.
Pressure29.97 inHg
Wind10.8 mph NW
Humidity62%
Visibility6.2 mi
Dew point39°
Sat, 0757° / 48°0
Morning50°feels 48°
Afternoon55°feels 53°
Evening51°feels 48°
Overnight49°feels 46°
57 °
Clayton, Saturday, 7 November
Overcast. High 57°, low 48°.
Pressure30.00 inHg
Wind9.1 mph S
Humidity58%
Visibility—
Dew point40°
Sun, 0850° / 43°0.08
Morning47°feels 43°
Afternoon50°feels 47°
Evening47°feels 41°
Overnight44°feels 38°
50 °
Clayton, Sunday, 8 November
Light rain. High 50°, low 43°.
Pressure29.83 inHg
Wind17.9 mph N
Humidity63%
Visibility—
Dew point38°
Mon, 0956° / 41°0
Morning47°feels 44°
Afternoon52°feels 49°
Evening49°feels 45°
Overnight47°feels 43°
56 °
Clayton, Monday, 9 November
Overcast. High 56°, low 41°.
Pressure30.06 inHg
Wind10.7 mph W
Humidity53%
Visibility—
Dew point35°
Tue, 1057° / 40°0
Morning45°feels 40°
Afternoon54°feels 51°
Evening49°feels 46°
Overnight46°feels 42°
57 °
Clayton, Tuesday, 10 November
Clear. High 57°, low 40°.
Pressure30.12 inHg
Wind9.1 mph W
Humidity42%
Visibility—
Dew point30°
Wed, 1153° / 46°0.46
Morning49°feels 46°
Afternoon51°feels 50°
Evening51°feels 50°
Overnight48°feels 43°
53 °
Clayton, Wednesday, 11 November
Rain. High 53°, low 46°.
Pressure29.94 inHg
Wind10.5 mph NW
Humidity96%
Visibility—
Dew point49°
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 Clayton, 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.