Weather in Zinfandel, CA
Zinfandel, Sunday, 18 October, 16:06
Clear. Feels like 74°. High 76°, low 46°.
Monthly outlook for Zinfandel, CA: average high 72.4°, average low 46.5°. That is 0.6° below the climate normal for October. Precipitation is expected on 2 days (about 0.1 inches), against a normal of 2 days and 1.1 inches. The warmest day looks like 25 October (82.3°), the coolest 20 October (35.8°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 18 October – 27 October | 72.2° | 74.9° | -1.5° |
| 28 October – 6 November | 72.6° | 70.5° | +1.2° |
| 7 November – 16 November | at normal | 65.6° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — St. Helena (2 mi).
0
Zinfandel, Monday, 19 October
Mostly clear. High 67°, low 38°.
0.07
Zinfandel, Tuesday, 20 October
Rain. High 66°, low 36°.
0.04Zinfandel, Wednesday, 21 October
Light rain. High 66°, low 52°.
0.01Zinfandel, Thursday, 22 October
Light rain. High 70°, low 51°.
0Zinfandel, Friday, 23 October
Clear. High 70°, low 45°.
0Zinfandel, Saturday, 24 October
Clear. High 82°, low 50°.
0
Zinfandel, Sunday, 25 October
Partly cloudy. High 82°, low 56°.
0
Zinfandel, Monday, 26 October
Overcast. High 77°, low 48°.
0Zinfandel, Tuesday, 27 October
Clear. High 66°, low 43°.
0Zinfandel, Wednesday, 28 October
Clear. High 70°, low 46°.
0Zinfandel, Thursday, 29 October
Clear. High 69°, low 44°.
0Zinfandel, Friday, 30 October
Overcast. High 65°, low 45°.
0Zinfandel, Saturday, 31 October
Clear. High 73°, low 46°.
0Zinfandel, Sunday, 1 November
Clear. High 77°, low 48°.
0Zinfandel, Monday, 2 November
Clear. High 82°, low 51°.
0.04Zinfandel, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.04Zinfandel, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.11Zinfandel, Thursday, 5 November
Climate normal for this date — 60-year average.
0.08Zinfandel, Friday, 6 November
Climate normal for this date — 60-year average.
0.12Zinfandel, Saturday, 7 November
Climate normal for this date — 60-year average.
0.09Zinfandel, Sunday, 8 November
Climate normal for this date — 60-year average.
0.12Zinfandel, Monday, 9 November
Climate normal for this date — 60-year average.
0.19Zinfandel, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.13Zinfandel, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.09Zinfandel, Thursday, 12 November
Climate normal for this date — 60-year average.
0.19Zinfandel, Friday, 13 November
Climate normal for this date — 60-year average.
0.07Zinfandel, Saturday, 14 November
Climate normal for this date — 60-year average.
0.11Zinfandel, Sunday, 15 November
Climate normal for this date — 60-year average.
0.15Zinfandel, Monday, 16 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 Zinfandel, 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 Zinfandel, 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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