Weather in Chula Vista, CA
Chula Vista, Monday, 19 October, 01:31
Clear. Feels like 64°. High 87°, low 64°.
Monthly outlook for Chula Vista, CA: average high 76.7°, average low 65.2°. That is 2.7° above the climate normal for October. Precipitation is expected on 3 days (about 1.0 inches), against a normal of 1 days and 0.3 inches. The warmest day looks like 25 October (88.4°), the coolest 24 October (56.7°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 19 October – 28 October | 79.5° | 72.4° | +3.9° |
| 29 October – 7 November | 72.2° | 70.5° | +1° |
| 8 November – 17 November | at normal | 68.5° | — |
October records over 66 years
0
Chula Vista, Tuesday, 20 October
Clear. High 83°, low 62°.
0Chula Vista, Wednesday, 21 October
Clear. High 78°, low 62°.
0.62
Chula Vista, Thursday, 22 October
Rain. High 69°, low 61°.
0.01Chula Vista, Friday, 23 October
Light rain. High 72°, low 59°.
0Chula Vista, Saturday, 24 October
Clear. High 75°, low 57°.
0Chula Vista, Sunday, 25 October
Clear. High 88°, low 73°.
0
Chula Vista, Monday, 26 October
Partly cloudy. High 87°, low 76°.
0Chula Vista, Tuesday, 27 October
Clear. High 79°, low 71°.
0Chula Vista, Wednesday, 28 October
Clear. High 79°, low 69°.
0
Chula Vista, Thursday, 29 October
Overcast. High 75°, low 68°.
0Chula Vista, Friday, 30 October
Overcast. High 71°, low 67°.
0.09Chula Vista, Saturday, 31 October
Light rain. High 73°, low 63°.
0.26Chula Vista, Sunday, 1 November
Rain. High 69°, low 63°.
0
Chula Vista, Monday, 2 November
Mostly clear. High 72°, low 64°.
0Chula Vista, Tuesday, 3 November
Mostly clear. High 73°, low 64°.
0.02Chula Vista, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.01Chula Vista, Thursday, 5 November
Climate normal for this date — 60-year average.
0.01Chula Vista, Friday, 6 November
Climate normal for this date — 60-year average.
0.03Chula Vista, Saturday, 7 November
Climate normal for this date — 60-year average.
0.05Chula Vista, Sunday, 8 November
Climate normal for this date — 60-year average.
0.07Chula Vista, Monday, 9 November
Climate normal for this date — 60-year average.
0.03Chula Vista, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.06Chula Vista, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.07Chula Vista, Thursday, 12 November
Climate normal for this date — 60-year average.
0.01Chula Vista, Friday, 13 November
Climate normal for this date — 60-year average.
0.04Chula Vista, Saturday, 14 November
Climate normal for this date — 60-year average.
0.05Chula Vista, Sunday, 15 November
Climate normal for this date — 60-year average.
0.04Chula Vista, Monday, 16 November
Climate normal for this date — 60-year average.
0.03Chula Vista, Tuesday, 17 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 Chula Vista, 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 Chula Vista, 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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