Weather in Rio Vista, CA
Rio Vista, Wednesday, 11 November, 11:12
Clear. Feels like 64°. High 75°, low 50°.
Monthly outlook for Rio Vista, CA: average high 62.6°, average low 48.6°. That is 0.6° above the climate normal for November. Precipitation is expected on 4 days (about 2.3 inches), against a normal of 4 days and 1.3 inches. The warmest day looks like 12 November (75.7°), the coolest 21 November (40.3°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 11 November – 20 November | 63.1° | 62.7° | +0.3° |
| 21 November – 30 November | 61.7° | 59° | +1.5° |
| 1 December – 10 December | at normal | 57.5° | — |
November records over 66 years
Climate normals and records are computed from the nearest reference point — Antioch (15 mi).
0Rio Vista, Thursday, 12 November
Clear. High 76°, low 49°.
0.56
Rio Vista, Friday, 13 November
Heavy rain. High 63°, low 52°.
0
Rio Vista, Saturday, 14 November
Mostly clear. High 65°, low 50°.
0.43Rio Vista, Sunday, 15 November
Rain. High 65°, low 51°.
0.22Rio Vista, Monday, 16 November
Rain. High 61°, low 50°.
0Rio Vista, Tuesday, 17 November
Clear. High 59°, low 46°.
1.06Rio Vista, Wednesday, 18 November
Rain. High 54°, low 48°.
0Rio Vista, Thursday, 19 November
Light rain. High 58°, low 49°.
0
Rio Vista, Friday, 20 November
Overcast. High 56°, low 45°.
0Rio Vista, Saturday, 21 November
Clear. High 56°, low 40°.
0Rio Vista, Sunday, 22 November
Overcast. High 57°, low 44°.
0Rio Vista, Monday, 23 November
Overcast. High 62°, low 50°.
0Rio Vista, Tuesday, 24 November
Overcast. High 66°, low 51°.
0Rio Vista, Wednesday, 25 November
Overcast. High 65°, low 50°.
0Rio Vista, Thursday, 26 November
Overcast. High 66°, low 52°.
0.06
Rio Vista, Friday, 27 November
Climate normal for this date — 60-year average.
0.11Rio Vista, Saturday, 28 November
Climate normal for this date — 60-year average.
0.11Rio Vista, Sunday, 29 November
Climate normal for this date — 60-year average.
0.13Rio Vista, Monday, 30 November
Climate normal for this date — 60-year average.
0.1Rio Vista, Tuesday, 1 December
Climate normal for this date — 60-year average.
0.15Rio Vista, Wednesday, 2 December
Climate normal for this date — 60-year average.
0.12Rio Vista, Thursday, 3 December
Climate normal for this date — 60-year average.
0.08Rio Vista, Friday, 4 December
Climate normal for this date — 60-year average.
0.08Rio Vista, Saturday, 5 December
Climate normal for this date — 60-year average.
0.07Rio Vista, Sunday, 6 December
Climate normal for this date — 60-year average.
0.08Rio Vista, Monday, 7 December
Climate normal for this date — 60-year average.
0.06Rio Vista, Tuesday, 8 December
Climate normal for this date — 60-year average.
0.07Rio Vista, Wednesday, 9 December
Climate normal for this date — 60-year average.
0.11Rio Vista, Thursday, 10 December
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 Rio Vista, 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 Rio Vista, 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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