10-day forecast for Clayton, IL: 37° to 68°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.
64°
Best day: Saturday, October 31
68° · 1.44 in
Worst day: Tuesday, November 3
Tap any day below to see morning, afternoon, evening and overnight.
Sun, 0165° / 56°0.01
Morning57°feels 57°
Afternoon65°feels 64°
Evening62°feels 61°
Overnight57°feels 55°
65 °
Clayton, Sunday, 1 November
Light rain. High 65°, low 56°.
Pressure30.24 inHg
Wind11.6 mph SE
Humidity77%
Visibility6.2 mi
Dew point56°
Mon, 0268° / 57°0.27
Morning58°feels 58°
Afternoon67°feels 67°
Evening64°feels 65°
Overnight59°feels 58°
68 °
Clayton, Monday, 2 November
Rain. High 68°, low 57°.
Pressure29.97 inHg
Wind13.7 mph S
Humidity81%
Visibility6.2 mi
Dew point59°
Tue, 0368° / 63°1.44
Morning65°feels 66°
Afternoon67°feels 67°
Evening65°feels 66°
Overnight66°feels 67°
68 °
Clayton, Tuesday, 3 November
Heavy rain. High 68°, low 63°.
Pressure29.77 inHg
Wind17.6 mph S
Humidity93%
Visibility1.7 mi
Dew point65°
Wed, 0461° / 51°0.05
Morning52°feels 51°
Afternoon60°feels 58°
Evening59°feels 57°
Overnight57°feels 57°
61 °
Clayton, Wednesday, 4 November
Rain. High 61°, low 51°.
Pressure29.74 inHg
Wind13 mph SW
Humidity63%
Visibility6.2 mi
Dew point45°
Thu, 0556° / 49°0.01
Morning51°feels 47°
Afternoon55°feels 53°
Evening52°feels 50°
Overnight52°feels 50°
56 °
Clayton, Thursday, 5 November
Light rain. High 56°, low 49°.
Pressure29.77 inHg
Wind13.3 mph W
Humidity68%
Visibility—
Dew point44°
Fri, 0660° / 46°0
Morning48°feels 45°
Afternoon55°feels 53°
Evening54°feels 52°
Overnight49°feels 45°
60 °
Clayton, Friday, 6 November
Overcast. High 60°, low 46°.
Pressure29.97 inHg
Wind10.4 mph NW
Humidity61%
Visibility—
Dew point40°
Sat, 0760° / 42°0
Morning47°feels 43°
Afternoon58°feels 56°
Evening55°feels 53°
Overnight51°feels 48°
60 °
Clayton, Saturday, 7 November
Partly cloudy. High 60°, low 42°.
Pressure29.74 inHg
Wind16.8 mph NW
Humidity56%
Visibility—
Dew point41°
Sun, 0851° / 42°0
Morning46°feels 40°
Afternoon50°feels 46°
Evening44°feels 37°
Overnight42°feels 35°
51 °
Clayton, Sunday, 8 November
Mostly clear. High 51°, low 42°.
Pressure29.74 inHg
Wind20 mph NW
Humidity41%
Visibility—
Dew point28°
Mon, 0954° / 37°0
Morning41°feels 35°
Afternoon50°feels 47°
Evening46°feels 42°
Overnight43°feels 37°
54 °
Clayton, Monday, 9 November
Clear. High 54°, low 37°.
Pressure29.97 inHg
Wind15.7 mph NW
Humidity54%
Visibility—
Dew point33°
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.