Weather in Walnut Creek, CA
Walnut Creek, Thursday, 5 November, 10:26
Clear. Feels like 62°. High 70°, low 48°.
Monthly outlook for Walnut Creek, CA: average high 66.3°, average low 52.7°. That is 0.9° above the climate normal for November. Precipitation is expected on 5 days (about 1.4 inches), against a normal of 3 days and 1.2 inches. The warmest day looks like 9 November (73°), the coolest 5 November (48.1°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 5 November – 14 November | 68.8° | 65.6° | +1.7° |
| 15 November – 24 November | 62.2° | 62.2° | +0° |
| 25 November – 4 December | at normal | 59.4° | — |
November records over 66 years
Climate normals and records are computed from the nearest reference point — Contra Costa Centre (2 mi).
0
Walnut Creek, Friday, 6 November
Overcast. High 70°, low 50°.
0
Walnut Creek, Saturday, 7 November
Partly cloudy. High 71°, low 51°.
0Walnut Creek, Sunday, 8 November
Overcast. High 69°, low 52°.
0Walnut Creek, Monday, 9 November
Overcast. High 73°, low 54°.
0Walnut Creek, Tuesday, 10 November
Clear. High 73°, low 53°.
0Walnut Creek, Wednesday, 11 November
Overcast. High 72°, low 58°.
0.64
Walnut Creek, Thursday, 12 November
Rain. High 64°, low 55°.
0.11Walnut Creek, Friday, 13 November
Light rain. High 59°, low 54°.
0
Walnut Creek, Saturday, 14 November
Mostly clear. High 66°, low 55°.
0.31Walnut Creek, Sunday, 15 November
Rain. High 68°, low 56°.
0.26Walnut Creek, Monday, 16 November
Rain. High 57°, low 54°.
0Walnut Creek, Tuesday, 17 November
Clear. High 63°, low 51°.
0.07Walnut Creek, Wednesday, 18 November
Light rain. High 62°, low 54°.
0Walnut Creek, Thursday, 19 November
Clear. High 64°, low 50°.
0Walnut Creek, Friday, 20 November
Overcast. High 60°, low 49°.
0.1Walnut Creek, Saturday, 21 November
Climate normal for this date — 60-year average.
0.08Walnut Creek, Sunday, 22 November
Climate normal for this date — 60-year average.
0.04Walnut Creek, Monday, 23 November
Climate normal for this date — 60-year average.
0.07Walnut Creek, Tuesday, 24 November
Climate normal for this date — 60-year average.
0.05Walnut Creek, Wednesday, 25 November
Climate normal for this date — 60-year average.
0.05Walnut Creek, Thursday, 26 November
Climate normal for this date — 60-year average.
0.06Walnut Creek, Friday, 27 November
Climate normal for this date — 60-year average.
0.11Walnut Creek, Saturday, 28 November
Climate normal for this date — 60-year average.
0.11Walnut Creek, Sunday, 29 November
Climate normal for this date — 60-year average.
0.14Walnut Creek, Monday, 30 November
Climate normal for this date — 60-year average.
0.1Walnut Creek, Tuesday, 1 December
Climate normal for this date — 60-year average.
0.17Walnut Creek, Wednesday, 2 December
Climate normal for this date — 60-year average.
0.13Walnut Creek, Thursday, 3 December
Climate normal for this date — 60-year average.
0.07Walnut Creek, Friday, 4 December
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 Walnut Creek, 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 Walnut Creek, 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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