Weather in San Ramon, CA
San Ramon, Tuesday, 27 October, 05:58
Overcast. Feels like 47°. High 65°, low 50°.
Monthly outlook for San Ramon, CA: average high 68.6°, average low 50.6°. That is 1° above the climate normal for October. Precipitation is expected on 2 days (about 0.5 inches), against a normal of 3 days and 0.8 inches. The warmest day looks like 4 November (74.7°), the coolest 1 November (41.6°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 27 October – 5 November | 68.3° | 67.9° | +0.2° |
| 6 November – 15 November | 69.1° | 64.3° | +2.7° |
| 16 November – 25 November | at normal | 61.2° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Cherryland (11 mi).
0San Ramon, Wednesday, 28 October
Overcast. High 68°, low 44°.
0San Ramon, Thursday, 29 October
Overcast. High 69°, low 47°.
0
San Ramon, Friday, 30 October
Clear. High 66°, low 48°.
0San Ramon, Saturday, 31 October
Overcast. High 63°, low 43°.
0San Ramon, Sunday, 1 November
Clear. High 64°, low 42°.
0San Ramon, Monday, 2 November
Overcast. High 68°, low 49°.
0San Ramon, Tuesday, 3 November
Overcast. High 71°, low 53°.
0San Ramon, Wednesday, 4 November
Overcast. High 75°, low 55°.
0San Ramon, Thursday, 5 November
Overcast. High 74°, low 57°.
0.06
San Ramon, Friday, 6 November
Light rain. High 72°, low 57°.
0.47San Ramon, Saturday, 7 November
Rain. High 65°, low 54°.
0San Ramon, Sunday, 8 November
Clear. High 68°, low 51°.
0
San Ramon, Monday, 9 November
Mostly clear. High 69°, low 53°.
0San Ramon, Tuesday, 10 November
Overcast. High 69°, low 54°.
0San Ramon, Wednesday, 11 November
Mostly clear. High 71°, low 54°.
0.06San Ramon, Thursday, 12 November
Climate normal for this date — 60-year average.
0.13
San Ramon, Friday, 13 November
Climate normal for this date — 60-year average.
0.06San Ramon, Saturday, 14 November
Climate normal for this date — 60-year average.
0.05San Ramon, Sunday, 15 November
Climate normal for this date — 60-year average.
0.09San Ramon, Monday, 16 November
Climate normal for this date — 60-year average.
0.11San Ramon, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.07San Ramon, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.04San Ramon, Thursday, 19 November
Climate normal for this date — 60-year average.
0.1San Ramon, Friday, 20 November
Climate normal for this date — 60-year average.
0.08San Ramon, Saturday, 21 November
Climate normal for this date — 60-year average.
0.08San Ramon, Sunday, 22 November
Climate normal for this date — 60-year average.
0.06San Ramon, Monday, 23 November
Climate normal for this date — 60-year average.
0.07San Ramon, Tuesday, 24 November
Climate normal for this date — 60-year average.
0.04San Ramon, 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 Ramon, 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 Ramon, 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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