Weather in Spanish Flat, CA
Spanish Flat, Tuesday, 20 October, 12:57
Overcast. Feels like 66°. High 68°, low 48°.
Monthly outlook for Spanish Flat, CA: average high 72.1°, average low 53.9°. That is 0.4° below the climate normal for October. Precipitation is expected on 3 days (about 1.2 inches), against a normal of 3 days and 1.1 inches. The warmest day looks like 28 October (81.5°), the coolest 20 October (47.9°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 20 October – 29 October | 75.7° | 73.7° | +1.1° |
| 30 October – 8 November | 66° | 69.8° | -2.1° |
| 9 November – 18 November | at normal | 64.9° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — St. Helena (13 mi).
0Spanish Flat, Wednesday, 21 October
Overcast. High 71°, low 55°.
0
Spanish Flat, Thursday, 22 October
Mostly clear. High 73°, low 55°.
0
Spanish Flat, Friday, 23 October
Clear. High 77°, low 53°.
0Spanish Flat, Saturday, 24 October
Clear. High 76°, low 58°.
0Spanish Flat, Sunday, 25 October
Clear. High 75°, low 55°.
0Spanish Flat, Monday, 26 October
Clear. High 80°, low 55°.
0Spanish Flat, Tuesday, 27 October
Overcast. High 80°, low 56°.
0
Spanish Flat, Wednesday, 28 October
Light rain. High 81°, low 61°.
0Spanish Flat, Thursday, 29 October
Overcast. High 75°, low 53°.
0.01Spanish Flat, Friday, 30 October
Light rain. High 68°, low 50°.
0.64Spanish Flat, Saturday, 31 October
Rain. High 68°, low 55°.
0.46Spanish Flat, Sunday, 1 November
Rain. High 63°, low 57°.
0.04Spanish Flat, Monday, 2 November
Light rain. High 63°, low 51°.
0Spanish Flat, Tuesday, 3 November
Overcast. High 68°, low 50°.
0Spanish Flat, Wednesday, 4 November
Clear. High 67°, low 50°.
0.11Spanish Flat, Thursday, 5 November
Climate normal for this date — 60-year average.
0.08Spanish Flat, Friday, 6 November
Climate normal for this date — 60-year average.
0.12
Spanish Flat, Saturday, 7 November
Climate normal for this date — 60-year average.
0.09Spanish Flat, Sunday, 8 November
Climate normal for this date — 60-year average.
0.12Spanish Flat, Monday, 9 November
Climate normal for this date — 60-year average.
0.19Spanish Flat, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.13Spanish Flat, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.09Spanish Flat, Thursday, 12 November
Climate normal for this date — 60-year average.
0.19Spanish Flat, Friday, 13 November
Climate normal for this date — 60-year average.
0.07Spanish Flat, Saturday, 14 November
Climate normal for this date — 60-year average.
0.11Spanish Flat, Sunday, 15 November
Climate normal for this date — 60-year average.
0.15Spanish Flat, Monday, 16 November
Climate normal for this date — 60-year average.
0.15Spanish Flat, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.11Spanish Flat, Wednesday, 18 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 Spanish Flat, 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 Spanish Flat, 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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