Weather in San Anselmo, CA
San Anselmo, Thursday, 12 November, 07:39
Partly cloudy. Feels like 58°. High 71°, low 50°.
Monthly outlook for San Anselmo, CA: average high 57.6°, average low 46.9°. That is 1.6° below the climate normal for November. Precipitation is expected on 8 days (about 5.0 inches), against a normal of 4 days and 1.5 inches. The warmest day looks like 12 November (71.5°), the coolest 17 November (40.7°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 12 November – 21 November | 59.2° | 61.1° | -1.1° |
| 22 November – 1 December | 55° | 58.8° | -2.1° |
| 2 December – 11 December | at normal | 57.2° | — |
November records over 66 years
Climate normals and records are computed from the nearest reference point — Marin City (8 mi).
0.98
San Anselmo, Friday, 13 November
Heavy rain. High 60°, low 47°.
0San Anselmo, Saturday, 14 November
Partly cloudy. High 62°, low 44°.
0.67San Anselmo, Sunday, 15 November
Rain. High 57°, low 49°.
0
San Anselmo, Monday, 16 November
Clear. High 59°, low 44°.
0San Anselmo, Tuesday, 17 November
Light rain. High 61°, low 41°.
0.85San Anselmo, Wednesday, 18 November
Heavy rain. High 59°, low 50°.
0.14San Anselmo, Thursday, 19 November
Rain. High 54°, low 48°.
0.22San Anselmo, Friday, 20 November
Light rain. High 56°, low 47°.
0.07San Anselmo, Saturday, 21 November
Light rain. High 53°, low 49°.
0San Anselmo, Sunday, 22 November
Clear. High 54°, low 46°.
0San Anselmo, Monday, 23 November
Clear. High 54°, low 46°.
0.08San Anselmo, Tuesday, 24 November
Light rain. High 53°, low 46°.
2.01San Anselmo, Wednesday, 25 November
Heavy rain. High 59°, low 52°.
0San Anselmo, Thursday, 26 November
Clear. High 55°, low 46°.
0
San Anselmo, Friday, 27 November
Mostly clear. High 55°, low 45°.
0.13San Anselmo, Saturday, 28 November
Climate normal for this date — 60-year average.
0.15San Anselmo, Sunday, 29 November
Climate normal for this date — 60-year average.
0.16San Anselmo, Monday, 30 November
Climate normal for this date — 60-year average.
0.16San Anselmo, Tuesday, 1 December
Climate normal for this date — 60-year average.
0.22San Anselmo, Wednesday, 2 December
Climate normal for this date — 60-year average.
0.18San Anselmo, Thursday, 3 December
Climate normal for this date — 60-year average.
0.1San Anselmo, Friday, 4 December
Climate normal for this date — 60-year average.
0.1San Anselmo, Saturday, 5 December
Climate normal for this date — 60-year average.
0.09San Anselmo, Sunday, 6 December
Climate normal for this date — 60-year average.
0.1
San Anselmo, Monday, 7 December
Climate normal for this date — 60-year average.
0.09San Anselmo, Tuesday, 8 December
Climate normal for this date — 60-year average.
0.11San Anselmo, Wednesday, 9 December
Climate normal for this date — 60-year average.
0.12San Anselmo, Thursday, 10 December
Climate normal for this date — 60-year average.
0.15San Anselmo, Friday, 11 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 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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