Weather in San Anselmo, CA
San Anselmo, Tuesday, 27 October, 03:59
Clear. Feels like 53°. High 66°, low 52°.
Monthly outlook for San Anselmo, CA: average high 64.9°, average low 52.6°. That is 0.1° below the climate normal for October. Precipitation is expected on 2 days (about 0.7 inches), against a normal of 3 days and 1.0 inches. The warmest day looks like 28 October (70.5°), the coolest 28 October (43.6°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 27 October – 5 November | 65.4° | 66.1° | -0.4° |
| 6 November – 15 November | 64° | 62.7° | +0.7° |
| 16 November – 25 November | at normal | 60.1° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Marin City (8 mi).
0
San Anselmo, Wednesday, 28 October
Mostly clear. High 70°, low 44°.
0
San Anselmo, Thursday, 29 October
Overcast. High 67°, low 49°.
0
San Anselmo, Friday, 30 October
Clear. High 66°, low 47°.
0
San Anselmo, Saturday, 31 October
Partly cloudy. High 63°, low 46°.
0San Anselmo, Sunday, 1 November
Clear. High 65°, low 44°.
0San Anselmo, Monday, 2 November
Overcast. High 64°, low 53°.
0San Anselmo, Tuesday, 3 November
Overcast. High 63°, low 55°.
0San Anselmo, Wednesday, 4 November
Overcast. High 65°, low 59°.
0San Anselmo, Thursday, 5 November
Partly cloudy. High 64°, low 58°.
0.58
San Anselmo, Friday, 6 November
Heavy rain. High 64°, low 59°.
0.15San Anselmo, Saturday, 7 November
Rain. High 63°, low 55°.
0San Anselmo, Sunday, 8 November
Clear. High 64°, low 53°.
0San Anselmo, Monday, 9 November
Mostly clear. High 62°, low 56°.
0San Anselmo, Tuesday, 10 November
Overcast. High 64°, low 55°.
0San Anselmo, Wednesday, 11 November
Partly cloudy. High 66°, low 57°.
0.08San Anselmo, Thursday, 12 November
Climate normal for this date — 60-year average.
0.14San Anselmo, Friday, 13 November
Climate normal for this date — 60-year average.
0.06San Anselmo, Saturday, 14 November
Climate normal for this date — 60-year average.
0.09San Anselmo, Sunday, 15 November
Climate normal for this date — 60-year average.
0.12San Anselmo, Monday, 16 November
Climate normal for this date — 60-year average.
0.13San Anselmo, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.07San Anselmo, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.07San Anselmo, Thursday, 19 November
Climate normal for this date — 60-year average.
0.11San Anselmo, Friday, 20 November
Climate normal for this date — 60-year average.
0.13San Anselmo, Saturday, 21 November
Climate normal for this date — 60-year average.
0.12San Anselmo, Sunday, 22 November
Climate normal for this date — 60-year average.
0.06San Anselmo, Monday, 23 November
Climate normal for this date — 60-year average.
0.07San Anselmo, Tuesday, 24 November
Climate normal for this date — 60-year average.
0.06San Anselmo, Wednesday, 25 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 San Anselmo, 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 San Anselmo, 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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