Weather in San Ramon, CA
San Ramon, Saturday, 8 August, 19:19
Clear. Feels like 76°. High 87°, low 60°.
Monthly outlook for San Ramon, CA: average high 85.8°, average low 57.2°. That is 4° above the climate normal for August. Precipitation is expected on 0 days (about 0.0 inches), against a normal of 0 days and 0.1 inches. The warmest day looks like 11 August (94.2°), the coolest 20 August (53.7°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 8 August – 17 August | 87.5° | 79.1° | +4.6° |
| 18 August – 27 August | 83° | 78.3° | +2.6° |
| 28 August – 6 September | at normal | 80.1° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Hayward (12 mi).
0San Ramon, Sunday, 9 August
Clear. High 91°, low 62°.
0
San Ramon, Monday, 10 August
Overcast. High 94°, low 61°.
0San Ramon, Tuesday, 11 August
Clear. High 94°, low 59°.
0San Ramon, Wednesday, 12 August
Overcast. High 90°, low 60°.
0San Ramon, Thursday, 13 August
Overcast. High 84°, low 59°.
0San Ramon, Friday, 14 August
Clear. High 85°, low 56°.
0San Ramon, Saturday, 15 August
Clear. High 85°, low 56°.
0San Ramon, Sunday, 16 August
Overcast. High 84°, low 56°.
0San Ramon, Monday, 17 August
Overcast. High 82°, low 58°.
0San Ramon, Tuesday, 18 August
Overcast. High 81°, low 56°.
0San Ramon, Wednesday, 19 August
Clear. High 85°, low 54°.
0San Ramon, Thursday, 20 August
Overcast. High 76°, low 54°.
0
San Ramon, Friday, 21 August
Mostly clear. High 89°, low 54°.
0San Ramon, Saturday, 22 August
Overcast. High 82°, low 55°.
0San Ramon, Sunday, 23 August
Mostly clear. High 85°, low 55°.
0San Ramon, Monday, 24 August
Climate normal for this date — 60-year average.
0San Ramon, Tuesday, 25 August
Climate normal for this date — 60-year average.
0San Ramon, Wednesday, 26 August
Climate normal for this date — 60-year average.
0San Ramon, Thursday, 27 August
Climate normal for this date — 60-year average.
0San Ramon, Friday, 28 August
Climate normal for this date — 60-year average.
0San Ramon, Saturday, 29 August
Climate normal for this date — 60-year average.
0San Ramon, Sunday, 30 August
Climate normal for this date — 60-year average.
0San Ramon, Monday, 31 August
Climate normal for this date — 60-year average.
0San Ramon, Tuesday, 1 September
Climate normal for this date — 60-year average.
0San Ramon, Wednesday, 2 September
Climate normal for this date — 60-year average.
0San Ramon, Thursday, 3 September
Climate normal for this date — 60-year average.
0San Ramon, Friday, 4 September
Climate normal for this date — 60-year average.
0San Ramon, Saturday, 5 September
Climate normal for this date — 60-year average.
0San Ramon, Sunday, 6 September
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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