Weather in San Geronimo, CA
San Geronimo, Monday, 26 October, 00:45
Clear. Feels like 53°. High 69°, low 45°.
Monthly outlook for San Geronimo, CA: average high 63.2°, average low 50.9°. That is 0.1° below the climate normal for October. Precipitation is expected on 6 days (about 3.3 inches), against a normal of 3 days and 1.1 inches. The warmest day looks like 26 October (69.5°), the coolest 28 October (42.9°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 26 October – 4 November | 64.5° | 64.3° | +0.1° |
| 5 November – 14 November | 61.1° | 61.4° | -0.2° |
| 15 November – 24 November | at normal | 59.3° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Bolinas (7 mi).
0
San Geronimo, Tuesday, 27 October
Partly cloudy. High 64°, low 44°.
0
San Geronimo, Wednesday, 28 October
Mostly clear. High 68°, low 43°.
0
San Geronimo, Thursday, 29 October
Overcast. High 65°, low 48°.
0
San Geronimo, Friday, 30 October
Clear. High 60°, low 43°.
0San Geronimo, Saturday, 31 October
Overcast. High 59°, low 45°.
0San Geronimo, Sunday, 1 November
Clear. High 66°, low 48°.
0San Geronimo, Monday, 2 November
Overcast. High 67°, low 52°.
0.85
San Geronimo, Tuesday, 3 November
Rain. High 62°, low 59°.
0.09San Geronimo, Wednesday, 4 November
Light rain. High 63°, low 60°.
1.6San Geronimo, Thursday, 5 November
Heavy rain. High 63°, low 59°.
0.53San Geronimo, Friday, 6 November
Rain. High 60°, low 58°.
0San Geronimo, Saturday, 7 November
Overcast. High 62°, low 56°.
0.07San Geronimo, Sunday, 8 November
Light rain. High 62°, low 55°.
0.18San Geronimo, Monday, 9 November
Rain. High 60°, low 52°.
0San Geronimo, Tuesday, 10 November
Overcast. High 58°, low 48°.
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.
0.14San Geronimo, Sunday, 22 November
Climate normal for this date — 60-year average.
0.08San Geronimo, Monday, 23 November
Climate normal for this date — 60-year average.
0.09San Geronimo, Tuesday, 24 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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