Weather in Vacaville, CA
Vacaville, Friday, 16 October, 01:36
Clear. Feels like 62°. High 91°, low 58°.
Monthly outlook for Vacaville, CA: average high 75.3°, average low 52.6°. That is 0.7° above the climate normal for October. Precipitation is expected on 1 day (about 0.5 inches), against a normal of 2 days and 0.8 inches. The warmest day looks like 16 October (90.8°), the coolest 19 October (48.5°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 16 October – 25 October | 76.2° | 75.7° | +0.3° |
| 26 October – 4 November | 73.8° | 70.9° | +1.6° |
| 5 November – 14 November | at normal | 66.1° | — |
October records over 66 years
0
Vacaville, Saturday, 17 October
Clear. High 90°, low 55°.
0Vacaville, Sunday, 18 October
Clear. High 80°, low 54°.
0
Vacaville, Monday, 19 October
Partly cloudy. High 68°, low 49°.
0.44
Vacaville, Tuesday, 20 October
Rain. High 60°, low 52°.
0.01Vacaville, Wednesday, 21 October
Light rain. High 68°, low 52°.
0
Vacaville, Thursday, 22 October
Overcast. High 75°, low 56°.
0Vacaville, Friday, 23 October
Overcast. High 73°, low 54°.
0Vacaville, Saturday, 24 October
Clear. High 79°, low 52°.
0Vacaville, Sunday, 25 October
Overcast. High 78°, low 51°.
0Vacaville, Monday, 26 October
Overcast. High 81°, low 53°.
0Vacaville, Tuesday, 27 October
Overcast. High 77°, low 56°.
0Vacaville, Wednesday, 28 October
Clear. High 72°, low 51°.
0Vacaville, Thursday, 29 October
Overcast. High 74°, low 50°.
0Vacaville, Friday, 30 October
Overcast. High 76°, low 49°.
0Vacaville, Saturday, 31 October
Overcast. High 65°, low 51°.
0.05
Vacaville, Sunday, 1 November
Climate normal for this date — 60-year average.
0.04Vacaville, Monday, 2 November
Climate normal for this date — 60-year average.
0.04Vacaville, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.03Vacaville, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.07Vacaville, Thursday, 5 November
Climate normal for this date — 60-year average.
0.07Vacaville, Friday, 6 November
Climate normal for this date — 60-year average.
0.07Vacaville, Saturday, 7 November
Climate normal for this date — 60-year average.
0.06Vacaville, Sunday, 8 November
Climate normal for this date — 60-year average.
0.09Vacaville, Monday, 9 November
Climate normal for this date — 60-year average.
0.14Vacaville, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.1Vacaville, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.07Vacaville, Thursday, 12 November
Climate normal for this date — 60-year average.
0.14Vacaville, Friday, 13 November
Climate normal for this date — 60-year average.
0.06Vacaville, Saturday, 14 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 Vacaville, 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 Vacaville, 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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