Weather in Rio Vista, CA
Rio Vista, Thursday, 12 November, 18:44
Clear. Feels like 64°. High 74°, low 50°.
Monthly outlook for Rio Vista, CA: average high 58.4°, average low 44.7°. That is 1.6° below the climate normal for November. Precipitation is expected on 4 days (about 2.9 inches), against a normal of 4 days and 1.2 inches. The warmest day looks like 12 November (73.6°), the coolest 21 November (39°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 12 November – 21 November | 59.4° | 62.3° | -1.6° |
| 22 November – 1 December | 56.7° | 58.9° | -1.2° |
| 2 December – 11 December | at normal | 57.1° | — |
November records over 66 years
Climate normals and records are computed from the nearest reference point — Antioch (15 mi).
0.53
Rio Vista, Friday, 13 November
Rain. High 60°, low 45°.
0
Rio Vista, Saturday, 14 November
Overcast. High 63°, low 42°.
0.37Rio Vista, Sunday, 15 November
Rain. High 65°, low 51°.
0.01Rio Vista, Monday, 16 November
Light rain. High 59°, low 46°.
0
Rio Vista, Tuesday, 17 November
Clear. High 61°, low 41°.
1.88Rio Vista, Wednesday, 18 November
Heavy rain. High 53°, low 48°.
0.13Rio Vista, Thursday, 19 November
Light rain. High 56°, low 46°.
0Rio Vista, Friday, 20 November
Overcast. High 51°, low 43°.
0Rio Vista, Saturday, 21 November
Overcast. High 52°, low 39°.
0Rio Vista, Sunday, 22 November
Clear. High 53°, low 39°.
0Rio Vista, Monday, 23 November
Clear. High 55°, low 40°.
0Rio Vista, Tuesday, 24 November
Overcast. High 52°, low 42°.
0Rio Vista, Wednesday, 25 November
Overcast. High 58°, low 42°.
0.01Rio Vista, Thursday, 26 November
Light rain. High 60°, low 52°.
0
Rio Vista, Friday, 27 November
Partly cloudy. High 63°, low 48°.
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.
0.06
Rio 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.
0.11Rio Vista, Friday, 11 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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