10-day forecast for Clayton, MO: 66° to 103°, with precipitation expected on 6 days. The table below breaks each day into morning, afternoon, evening and overnight.
103°
Best day: Tuesday, August 11
101° · 0.48 in
Worst day: Monday, August 10
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 10101° / 72°0.48
Morning79°feels 79°
Afternoon100°feels 101°
Evening93°feels 96°
Overnight82°feels 86°
101 °
Clayton, Monday, 10 August
Heavy rain. High 101°, low 72°.
Pressure29.91 inHg
Wind11.3 mph SW
Humidity35%
Visibility6.2 mi
Dew point66°
Tue, 11103° / 72°0.05
Morning80°feels 83°
Afternoon101°feels 102°
Evening92°feels 93°
Overnight75°feels 76°
103 °
Clayton, Tuesday, 11 August
Light rain. High 103°, low 72°.
Pressure29.88 inHg
Wind10.4 mph SW
Humidity36%
Visibility6.2 mi
Dew point66°
Wed, 1297° / 79°0.02
Morning81°feels 85°
Afternoon97°feels 102°
Evening89°feels 96°
Overnight87°feels 88°
97 °
Clayton, Wednesday, 12 August
Light rain. High 97°, low 79°.
Pressure29.83 inHg
Wind9.1 mph W
Humidity46%
Visibility6.2 mi
Dew point69°
Thu, 1388° / 73°0.15
Morning77°feels 80°
Afternoon86°feels 92°
Evening80°feels 85°
Overnight76°feels 77°
88 °
Clayton, Thursday, 13 August
Light rain. High 88°, low 73°.
Pressure29.91 inHg
Wind13.2 mph E
Humidity61%
Visibility—
Dew point70°
Fri, 1475° / 67°0.11
Morning68°feels 69°
Afternoon72°feels 73°
Evening72°feels 73°
Overnight69°feels 69°
75 °
Clayton, Friday, 14 August
Light rain. High 75°, low 67°.
Pressure30.06 inHg
Wind12.3 mph E
Humidity80%
Visibility—
Dew point65°
Sat, 1590° / 66°0.09
Morning70°feels 71°
Afternoon80°feels 82°
Evening83°feels 89°
Overnight76°feels 77°
90 °
Clayton, Saturday, 15 August
Light rain. High 90°, low 66°.
Pressure30.12 inHg
Wind10.1 mph E
Humidity73%
Visibility—
Dew point68°
Sun, 1692° / 72°0
Morning77°feels 80°
Afternoon88°feels 95°
Evening86°feels 92°
Overnight78°feels 78°
92 °
Clayton, Sunday, 16 August
Overcast. High 92°, low 72°.
Pressure30.03 inHg
Wind9 mph N
Humidity59%
Visibility—
Dew point70°
Mon, 1791° / 73°0.06
Morning78°feels 80°
Afternoon87°feels 91°
Evening82°feels 85°
Overnight75°feels 77°
91 °
Clayton, Monday, 17 August
Light rain. High 91°, low 73°.
Pressure30.03 inHg
Wind7.8 mph E
Humidity51%
Visibility—
Dew point66°
Tue, 1896° / 71°0.03
Morning76°feels 78°
Afternoon90°feels 95°
Evening87°feels 93°
Overnight80°feels 82°
96 °
Clayton, Tuesday, 18 August
Light rain. High 96°, low 71°.
Pressure29.94 inHg
Wind11 mph E
Humidity49%
Visibility—
Dew point66°
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, MO 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.