Weather in Clayton, MO
Clayton, Monday, 12 October, 08:28
Clear. Feels like 67°. High 93°, low 65°.
Monthly outlook for Clayton, MO: average high 76.3°, average low 59.2°. That is 5.9° above the climate normal for October. Precipitation is expected on 5 days (about 1.2 inches), against a normal of 5 days and 1.9 inches. The warmest day looks like 12 October (93.2°), the coolest 17 October (44.7°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 12 October – 21 October | 76.6° | 66.9° | +5.4° |
| 22 October – 31 October | 75.8° | 63.1° | +7.1° |
| 1 November – 10 November | at normal | 58.5° | — |
October records over 66 years
0Clayton, Tuesday, 13 October
Clear. High 93°, low 66°.
0.22
Clayton, Wednesday, 14 October
Rain. High 80°, low 71°.
0.77Clayton, Thursday, 15 October
Heavy rain. High 77°, low 70°.
0.01Clayton, Friday, 16 October
Light rain. High 67°, low 53°.
0Clayton, Saturday, 17 October
Clear. High 60°, low 45°.
0Clayton, Sunday, 18 October
Clear. High 69°, low 46°.
0
Clayton, Monday, 19 October
Overcast. High 70°, low 56°.
0.05Clayton, Tuesday, 20 October
Light rain. High 78°, low 60°.
0.03Clayton, Wednesday, 21 October
Light rain. High 78°, low 62°.
0Clayton, Thursday, 22 October
Overcast. High 83°, low 65°.
0Clayton, Friday, 23 October
Overcast. High 83°, low 68°.
0.06Clayton, Saturday, 24 October
Light rain. High 85°, low 65°.
0.1Clayton, Sunday, 25 October
Light rain. High 70°, low 56°.
0Clayton, Monday, 26 October
Overcast. High 63°, low 49°.
0Clayton, Tuesday, 27 October
Clear. High 70°, low 50°.
0.05
Clayton, Wednesday, 28 October
Climate normal for this date — 60-year average.
0.13Clayton, Thursday, 29 October
Climate normal for this date — 60-year average.
0.12
Clayton, 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.
0.1Clayton, Monday, 9 November
Climate normal for this date — 60-year average.
0.13Clayton, Tuesday, 10 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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