Weather in Clayton, CA
Clayton, Saturday, 24 October, 00:44
Clear. Feels like 56°. High 66°, low 49°.
Monthly outlook for Clayton, CA: average high 70.7°, average low 54.9°. That is 0.8° above the climate normal for October. Precipitation is expected on 0 days (about 0.0 inches), against a normal of 2 days and 0.7 inches. The warmest day looks like 7 November (79°), the coolest 25 October (48.6°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 24 October – 2 November | 68.1° | 70.3° | -1.2° |
| 3 November – 12 November | 75° | 66.4° | +4.8° |
| 13 November – 22 November | at normal | 62.4° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Concord (4 mi).
0
Clayton, Sunday, 25 October
Overcast. High 72°, low 49°.
0
Clayton, Monday, 26 October
Clear. High 70°, low 55°.
0Clayton, Tuesday, 27 October
Overcast. High 68°, low 53°.
0Clayton, Wednesday, 28 October
Overcast. High 66°, low 53°.
0
Clayton, Thursday, 29 October
Partly cloudy. High 66°, low 51°.
0Clayton, Friday, 30 October
Clear. High 68°, low 50°.
0Clayton, Saturday, 31 October
Overcast. High 68°, low 51°.
0Clayton, Sunday, 1 November
Overcast. High 72°, low 53°.
0.01
Clayton, Monday, 2 November
Light rain. High 67°, low 58°.
0Clayton, Tuesday, 3 November
Overcast. High 74°, low 57°.
0Clayton, Wednesday, 4 November
Partly cloudy. High 75°, low 58°.
0Clayton, Thursday, 5 November
Overcast. High 75°, low 60°.
0
Clayton, Friday, 6 November
Mostly clear. High 76°, low 60°.
0Clayton, Saturday, 7 November
Clear. High 79°, low 61°.
0Clayton, Sunday, 8 November
Clear. High 71°, low 61°.
0.07Clayton, Monday, 9 November
Climate normal for this date — 60-year average.
0.12Clayton, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.09Clayton, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.07Clayton, Thursday, 12 November
Climate normal for this date — 60-year average.
0.12Clayton, Friday, 13 November
Climate normal for this date — 60-year average.
0.06Clayton, Saturday, 14 November
Climate normal for this date — 60-year average.
0.06Clayton, Sunday, 15 November
Climate normal for this date — 60-year average.
0.07Clayton, Monday, 16 November
Climate normal for this date — 60-year average.
0.11Clayton, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.06Clayton, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.05Clayton, Thursday, 19 November
Climate normal for this date — 60-year average.
0.09Clayton, Friday, 20 November
Climate normal for this date — 60-year average.
0.1Clayton, Saturday, 21 November
Climate normal for this date — 60-year average.
0.08Clayton, Sunday, 22 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, CA 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, CA 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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