Weather in San Geronimo, CA
San Geronimo, Thursday, 22 October, 19:06
Overcast. Feels like 55°. High 60°, low 55°.
Monthly outlook for San Geronimo, CA: average high 65.4°, average low 48.5°. That is 0.5° above the climate normal for October. Precipitation is expected on 1 day (about 0.3 inches), against a normal of 3 days and 1.0 inches. The warmest day looks like 24 October (73.2°), the coolest 30 October (43.3°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 22 October – 31 October | 64.2° | 64.9° | -0.4° |
| 1 November – 10 November | 67.5° | 62.7° | +2.6° |
| 11 November – 20 November | at normal | 60.2° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Bolinas (7 mi).
0San Geronimo, Friday, 23 October
Overcast. High 66°, low 52°.
0
San Geronimo, Saturday, 24 October
Clear. High 73°, low 49°.
0San Geronimo, Sunday, 25 October
Overcast. High 72°, low 45°.
0.01
San Geronimo, Monday, 26 October
Light rain. High 65°, low 49°.
0San Geronimo, Tuesday, 27 October
Clear. High 68°, low 44°.
0San Geronimo, Wednesday, 28 October
Overcast. High 63°, low 45°.
0San Geronimo, Thursday, 29 October
Clear. High 60°, low 46°.
0San Geronimo, Friday, 30 October
Clear. High 58°, low 43°.
0San Geronimo, Saturday, 31 October
Overcast. High 58°, low 44°.
0San Geronimo, Sunday, 1 November
Clear. High 62°, low 45°.
0San Geronimo, Monday, 2 November
Clear. High 68°, low 49°.
0
San Geronimo, Tuesday, 3 November
Mostly clear. High 69°, low 52°.
0San Geronimo, Wednesday, 4 November
Clear. High 69°, low 52°.
0San Geronimo, Thursday, 5 November
Mostly clear. High 68°, low 53°.
0San Geronimo, Friday, 6 November
Overcast. High 68°, low 52°.
0.1
San Geronimo, Saturday, 7 November
Climate normal for this date — 60-year average.
0.09San 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.
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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