Weather in Sanitarium, CA
Sanitarium, Friday, 13 November, 00:02
Overcast. Feels like 57°. High 59°, low 41°.
Monthly outlook for Sanitarium, CA: average high 58.9°, average low 43.4°. That is 2.2° below the climate normal for November. Precipitation is expected on 5 days (about 3.6 inches), against a normal of 4 days and 2.0 inches. The warmest day looks like 27 November (66.1°), the coolest 14 November (37.1°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 13 November – 22 November | 56.8° | 63.4° | -3.7° |
| 23 November – 2 December | 62.4° | 61.1° | +0.7° |
| 3 December – 12 December | at normal | 59.1° | — |
November records over 66 years
Climate normals and records are computed from the nearest reference point — St. Helena (3 mi).
0
Sanitarium, Saturday, 14 November
Light rain. High 62°, low 37°.
0.46Sanitarium, Sunday, 15 November
Rain. High 56°, low 45°.
0.01Sanitarium, Monday, 16 November
Light rain. High 59°, low 41°.
0.01Sanitarium, Tuesday, 17 November
Light rain. High 58°, low 39°.
1.89Sanitarium, Wednesday, 18 November
Heavy rain. High 51°, low 46°.
0.17Sanitarium, Thursday, 19 November
Light rain. High 55°, low 43°.
0
Sanitarium, Friday, 20 November
Partly cloudy. High 53°, low 41°.
0
Sanitarium, Saturday, 21 November
Clear. High 55°, low 39°.
0Sanitarium, Sunday, 22 November
Clear. High 59°, low 40°.
0Sanitarium, Monday, 23 November
Clear. High 60°, low 41°.
0Sanitarium, Tuesday, 24 November
Overcast. High 57°, low 44°.
0Sanitarium, Wednesday, 25 November
Overcast. High 64°, low 45°.
0.06Sanitarium, Thursday, 26 November
Light rain. High 62°, low 52°.
0Sanitarium, Friday, 27 November
Overcast. High 66°, low 48°.
0Sanitarium, Saturday, 28 November
Overcast. High 65°, low 53°.
0.17Sanitarium, Sunday, 29 November
Climate normal for this date — 60-year average.
0.19Sanitarium, Monday, 30 November
Climate normal for this date — 60-year average.
0.17Sanitarium, Tuesday, 1 December
Climate normal for this date — 60-year average.
0.25Sanitarium, Wednesday, 2 December
Climate normal for this date — 60-year average.
0.26
Sanitarium, Thursday, 3 December
Climate normal for this date — 60-year average.
0.11Sanitarium, Friday, 4 December
Climate normal for this date — 60-year average.
0.12Sanitarium, Saturday, 5 December
Climate normal for this date — 60-year average.
0.14Sanitarium, Sunday, 6 December
Climate normal for this date — 60-year average.
0.13Sanitarium, Monday, 7 December
Climate normal for this date — 60-year average.
0.13Sanitarium, Tuesday, 8 December
Climate normal for this date — 60-year average.
0.14Sanitarium, Wednesday, 9 December
Climate normal for this date — 60-year average.
0.16Sanitarium, Thursday, 10 December
Climate normal for this date — 60-year average.
0.19Sanitarium, Friday, 11 December
Climate normal for this date — 60-year average.
0.22Sanitarium, Saturday, 12 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 Sanitarium, 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 Sanitarium, 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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