Weather in Vacaville, CA
Vacaville, Saturday, 17 October, 11:50
Clear. Feels like 80°. High 86°, low 54°.
Monthly outlook for Vacaville, CA: average high 69.8°, average low 50.1°. That is 2.1° below the climate normal for October. Precipitation is expected on 5 days (about 2.0 inches), against a normal of 2 days and 0.8 inches. The warmest day looks like 17 October (85.9°), the coolest 30 October (43.8°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 17 October – 26 October | 72.2° | 75.3° | -1.7° |
| 27 October – 5 November | 65.8° | 70.4° | -2.6° |
| 6 November – 15 November | at normal | 65.6° | — |
October records over 66 years
0Vacaville, Sunday, 18 October
Clear. High 77°, low 44°.
0
Vacaville, Monday, 19 October
Partly cloudy. High 67°, low 48°.
0.13
Vacaville, Tuesday, 20 October
Light rain. High 61°, low 47°.
0.01Vacaville, Wednesday, 21 October
Light rain. High 74°, low 56°.
0.17Vacaville, Thursday, 22 October
Light rain. High 67°, low 53°.
0Vacaville, Friday, 23 October
Clear. High 73°, low 50°.
0
Vacaville, Saturday, 24 October
Overcast. High 67°, low 54°.
0.13Vacaville, Sunday, 25 October
Light rain. High 70°, low 52°.
0Vacaville, Monday, 26 October
Clear. High 79°, low 51°.
0Vacaville, Tuesday, 27 October
Overcast. High 76°, low 53°.
0Vacaville, Wednesday, 28 October
Overcast. High 73°, low 51°.
0Vacaville, Thursday, 29 October
Overcast. High 67°, low 47°.
0Vacaville, Friday, 30 October
Partly cloudy. High 65°, low 44°.
0.3Vacaville, Saturday, 31 October
Rain. High 61°, low 49°.
1.31Vacaville, Sunday, 1 November
Heavy rain. High 52°, low 48°.
0.04
Vacaville, 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.
0.07Vacaville, Sunday, 15 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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