Weather in Westmont, CA
Westmont, Wednesday, 28 October, 06:57
Partly cloudy. Feels like 61°. High 77°, low 59°.
Monthly outlook for Westmont, CA: average high 72.7°, average low 63.6°. That is 0.2° below the climate normal for October. Precipitation is expected on 3 days (about 0.8 inches), against a normal of 1 days and 0.4 inches. The warmest day looks like 3 November (78.8°), the coolest 2 November (57.4°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 28 October – 6 November | 73.1° | 74.2° | -0.6° |
| 7 November – 16 November | 72.1° | 71.2° | +0.5° |
| 17 November – 26 November | at normal | 69.2° | — |
October records over 66 years
0
Westmont, Thursday, 29 October
Overcast. High 75°, low 59°.
0
Westmont, Friday, 30 October
Partly cloudy. High 72°, low 61°.
0.34
Westmont, Saturday, 31 October
Rain. High 67°, low 60°.
0.42Westmont, Sunday, 1 November
Rain. High 74°, low 59°.
0
Westmont, Monday, 2 November
Clear. High 73°, low 57°.
0Westmont, Tuesday, 3 November
Clear. High 79°, low 65°.
0Westmont, Wednesday, 4 November
Partly cloudy. High 73°, low 68°.
0Westmont, Thursday, 5 November
Partly cloudy. High 71°, low 66°.
0Westmont, Friday, 6 November
Overcast. High 72°, low 66°.
0Westmont, Saturday, 7 November
Overcast. High 71°, low 66°.
0Westmont, Sunday, 8 November
Overcast. High 72°, low 65°.
0Westmont, Monday, 9 November
Overcast. High 73°, low 66°.
0Westmont, Tuesday, 10 November
Overcast. High 72°, low 67°.
0Westmont, Wednesday, 11 November
Clear. High 73°, low 66°.
0.06Westmont, Thursday, 12 November
Light rain. High 72°, low 66°.
0.03
Westmont, Friday, 13 November
Climate normal for this date — 60-year average.
0.04Westmont, Saturday, 14 November
Climate normal for this date — 60-year average.
0.06Westmont, Sunday, 15 November
Climate normal for this date — 60-year average.
0.04Westmont, Monday, 16 November
Climate normal for this date — 60-year average.
0.04Westmont, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.04Westmont, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.06Westmont, Thursday, 19 November
Climate normal for this date — 60-year average.
0.06Westmont, Friday, 20 November
Climate normal for this date — 60-year average.
0.08Westmont, Saturday, 21 November
Climate normal for this date — 60-year average.
0.05Westmont, Sunday, 22 November
Climate normal for this date — 60-year average.
0.01Westmont, Monday, 23 November
Climate normal for this date — 60-year average.
0.04Westmont, Tuesday, 24 November
Climate normal for this date — 60-year average.
0.04Westmont, Wednesday, 25 November
Climate normal for this date — 60-year average.
0.06Westmont, 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 Westmont, 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 Westmont, 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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