Weather in San Geronimo, CA
San Geronimo, Friday, 23 October, 17:32
Clear. Feels like 64°. High 67°, low 53°.
Monthly outlook for San Geronimo, CA: average high 64.7°, average low 49.9°. That is 0.3° above the climate normal for October. Precipitation is expected on 2 days (about 0.4 inches), against a normal of 3 days and 1.1 inches. The warmest day looks like 4 November (71.5°), the coolest 25 October (44.1°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 23 October – 1 November | 63.4° | 64.9° | -0.8° |
| 2 November – 11 November | 67° | 62.4° | +2.6° |
| 12 November – 21 November | at normal | 59.9° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Bolinas (7 mi).
0San Geronimo, Saturday, 24 October
Clear. High 67°, low 50°.
0
San Geronimo, Sunday, 25 October
Overcast. High 71°, low 44°.
0San Geronimo, Monday, 26 October
Clear. High 65°, low 47°.
0San Geronimo, Tuesday, 27 October
Overcast. High 67°, low 44°.
0San Geronimo, Wednesday, 28 October
Overcast. High 58°, low 49°.
0San Geronimo, Thursday, 29 October
Overcast. High 62°, low 48°.
0San Geronimo, Friday, 30 October
Clear. High 58°, low 46°.
0San Geronimo, Saturday, 31 October
Overcast. High 58°, low 49°.
0San Geronimo, Sunday, 1 November
Clear. High 60°, low 44°.
0San Geronimo, Monday, 2 November
Clear. High 68°, low 49°.
0
San Geronimo, Tuesday, 3 November
Mostly clear. High 71°, low 54°.
0San Geronimo, Wednesday, 4 November
Clear. High 72°, low 54°.
0San Geronimo, Thursday, 5 November
Clear. High 66°, low 53°.
0.25
San Geronimo, Friday, 6 November
Rain. High 62°, low 59°.
0.11San Geronimo, Saturday, 7 November
Light rain. High 63°, low 55°.
0.09
San Geronimo, Sunday, 8 November
Climate normal for this date — 60-year average.
0.11San Geronimo, Monday, 9 November
Climate normal for this date — 60-year average.
0.16San Geronimo, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.11San Geronimo, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.08San Geronimo, Thursday, 12 November
Climate normal for this date — 60-year average.
0.17San Geronimo, Friday, 13 November
Climate normal for this date — 60-year average.
0.05San Geronimo, Saturday, 14 November
Climate normal for this date — 60-year average.
0.11San Geronimo, Sunday, 15 November
Climate normal for this date — 60-year average.
0.16San Geronimo, Monday, 16 November
Climate normal for this date — 60-year average.
0.16San Geronimo, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.08San Geronimo, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.1San Geronimo, Thursday, 19 November
Climate normal for this date — 60-year average.
0.12
San Geronimo, Friday, 20 November
Climate normal for this date — 60-year average.
0.16San Geronimo, Saturday, 21 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 Geronimo, 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 Geronimo, 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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