Weather in Clayton, MO
Clayton, Saturday, 10 October, 17:41
Overcast. Feels like 78°. High 80°, low 56°.
Monthly outlook for Clayton, MO: average high 69.4°, average low 51.4°. That is 1.5° above the climate normal for October. Precipitation is expected on 3 days (about 1.2 inches), against a normal of 5 days and 1.8 inches. The warmest day looks like 13 October (92.2°), the coolest 18 October (31.6°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 10 October – 19 October | 72.8° | 67.5° | +2.9° |
| 20 October – 29 October | 63.7° | 63.8° | -0.1° |
| 30 October – 8 November | at normal | 59.5° | — |
October records over 66 years
0
Clayton, Sunday, 11 October
Clear. High 88°, low 53°.
0Clayton, Monday, 12 October
Clear. High 91°, low 61°.
0Clayton, Tuesday, 13 October
Clear. High 92°, low 72°.
0.15
Clayton, Wednesday, 14 October
Light rain. High 82°, low 74°.
0.94Clayton, Thursday, 15 October
Rain. High 79°, low 67°.
0.01Clayton, Friday, 16 October
Light rain. High 68°, low 47°.
0Clayton, Saturday, 17 October
Overcast. High 43°, low 36°.
0Clayton, Sunday, 18 October
Clear. High 49°, low 32°.
0
Clayton, Monday, 19 October
Partly cloudy. High 56°, low 38°.
0Clayton, Tuesday, 20 October
Clear. High 65°, low 42°.
0Clayton, Wednesday, 21 October
Clear. High 70°, low 48°.
0Clayton, Thursday, 22 October
Overcast. High 72°, low 51°.
0.07Clayton, Friday, 23 October
Light rain. High 56°, low 48°.
0Clayton, Saturday, 24 October
Light rain. High 54°, low 47°.
0.01Clayton, Sunday, 25 October
Light rain. High 65°, low 51°.
0.15
Clayton, Monday, 26 October
Climate normal for this date — 60-year average.
0.09Clayton, Tuesday, 27 October
Climate normal for this date — 60-year average.
0.05Clayton, Wednesday, 28 October
Climate normal for this date — 60-year average.
0.13Clayton, Thursday, 29 October
Climate normal for this date — 60-year average.
0.12Clayton, Friday, 30 October
Climate normal for this date — 60-year average.
0.15Clayton, Saturday, 31 October
Climate normal for this date — 60-year average.
0.18Clayton, Sunday, 1 November
Climate normal for this date — 60-year average.
0.09Clayton, Monday, 2 November
Climate normal for this date — 60-year average.
0.12Clayton, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.15Clayton, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.17Clayton, Thursday, 5 November
Climate normal for this date — 60-year average.
0.09Clayton, Friday, 6 November
Climate normal for this date — 60-year average.
0.08
Clayton, Saturday, 7 November
Climate normal for this date — 60-year average.
0.04Clayton, Sunday, 8 November
Climate normal for this date — 60-year average.
About the monthly outlook
How accurate is a 30-day forecast?
The first 16 days come from weather models — reliable for the first 3–5 days and progressively less so after that. Days 17 through 30 for Clayton, MO are built from the climate normal, the 60-year average, so they show typical weather for those dates rather than a specific forecast.
What does "above normal" mean?
We compare the forecast against the climate normal for those exact calendar days, computed from 60 years of observations. The deviation shows how much the coming month differs from a typical one.
Where do the 66-year records come from?
They are real temperature extremes recorded in Clayton, MO since 1960: the highest and lowest reading for each calendar date, with the year it happened.
How often is it updated?
The forecast portion refreshes every hour; the climate portion is based on long-term data and stays stable.
Sun and moon today
Weather history
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