Weather in Upper Aliso, CA
Upper Aliso, Wednesday, 28 October, 09:41
Clear. Feels like 62°. High 73°, low 54°.
Monthly outlook for Upper Aliso, CA: average high 70.1°, average low 57.6°. That is 0.6° below the climate normal for October. Precipitation is expected on 5 days (about 1.0 inches), against a normal of 2 days and 0.5 inches. The warmest day looks like 3 November (79°), the coolest 29 October (53.5°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 28 October – 6 November | 70.3° | 72° | -1° |
| 7 November – 16 November | 69.9° | 69.7° | +0.1° |
| 17 November – 26 November | at normal | 67.7° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Mission Viejo (6 mi).
0.04
Upper Aliso, Thursday, 29 October
Light rain. High 72°, low 54°.
0.04Upper Aliso, Friday, 30 October
Light rain. High 67°, low 58°.
0.2Upper Aliso, Saturday, 31 October
Rain. High 64°, low 55°.
0.61Upper Aliso, Sunday, 1 November
Rain. High 68°, low 59°.
0
Upper Aliso, Monday, 2 November
Partly cloudy. High 72°, low 57°.
0Upper Aliso, Tuesday, 3 November
Clear. High 79°, low 60°.
0Upper Aliso, Wednesday, 4 November
Partly cloudy. High 72°, low 60°.
0Upper Aliso, Thursday, 5 November
Partly cloudy. High 69°, low 58°.
0
Upper Aliso, Friday, 6 November
Overcast. High 67°, low 59°.
0Upper Aliso, Saturday, 7 November
Overcast. High 68°, low 57°.
0Upper Aliso, Sunday, 8 November
Overcast. High 69°, low 57°.
0Upper Aliso, Monday, 9 November
Overcast. High 71°, low 58°.
0Upper Aliso, Tuesday, 10 November
Overcast. High 70°, low 59°.
0Upper Aliso, Wednesday, 11 November
Clear. High 71°, low 58°.
0.12Upper Aliso, Thursday, 12 November
Light rain. High 69°, low 58°.
0.03
Upper Aliso, Friday, 13 November
Climate normal for this date — 60-year average.
0.03Upper Aliso, Saturday, 14 November
Climate normal for this date — 60-year average.
0.07Upper Aliso, Sunday, 15 November
Climate normal for this date — 60-year average.
0.04Upper Aliso, Monday, 16 November
Climate normal for this date — 60-year average.
0.03Upper Aliso, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.04Upper Aliso, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.04Upper Aliso, Thursday, 19 November
Climate normal for this date — 60-year average.
0.07Upper Aliso, Friday, 20 November
Climate normal for this date — 60-year average.
0.06Upper Aliso, Saturday, 21 November
Climate normal for this date — 60-year average.
0.04Upper Aliso, Sunday, 22 November
Climate normal for this date — 60-year average.
0.01Upper Aliso, Monday, 23 November
Climate normal for this date — 60-year average.
0.02Upper Aliso, Tuesday, 24 November
Climate normal for this date — 60-year average.
0.05Upper Aliso, Wednesday, 25 November
Climate normal for this date — 60-year average.
0.07Upper Aliso, Thursday, 26 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 Upper Aliso, 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 Upper Aliso, 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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