Weather in Westmont, CA
Westmont, Sunday, 15 November, 00:16
Clear. Feels like 61°. High 74°, low 55°.
Monthly outlook for Westmont, CA: average high 68.8°, average low 59.4°. That is 0.1° below the climate normal for November. Precipitation is expected on 5 days (about 2.7 inches), against a normal of 2 days and 0.8 inches. The warmest day looks like 29 November (74.9°), the coolest 20 November (50.2°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 15 November – 24 November | 66.8° | 69.5° | -1.5° |
| 25 November – 4 December | 72.1° | 67.5° | +2.6° |
| 5 December – 14 December | at normal | 65.3° | — |
November records over 66 years
0.1
Westmont, Monday, 16 November
Light rain. High 72°, low 58°.
0.18Westmont, Tuesday, 17 November
Rain. High 66°, low 53°.
0
Westmont, Wednesday, 18 November
Clear. High 65°, low 53°.
1.89Westmont, Thursday, 19 November
Heavy rain. High 59°, low 54°.
0.22Westmont, Friday, 20 November
Rain. High 65°, low 50°.
0
Westmont, Saturday, 21 November
Overcast. High 69°, low 61°.
0.02Westmont, Sunday, 22 November
Light rain. High 67°, low 61°.
0Westmont, Monday, 23 November
Clear. High 66°, low 61°.
0.02Westmont, Tuesday, 24 November
Light rain. High 67°, low 61°.
0.31Westmont, Wednesday, 25 November
Rain. High 70°, low 64°.
0Westmont, Thursday, 26 November
Clear. High 72°, low 61°.
0Westmont, Friday, 27 November
Overcast. High 73°, low 65°.
0
Westmont, Saturday, 28 November
Partly cloudy. High 74°, low 64°.
0Westmont, Sunday, 29 November
Partly cloudy. High 75°, low 66°.
0Westmont, Monday, 30 November
Overcast. High 69°, low 66°.
0.02
Westmont, Tuesday, 1 December
Climate normal for this date — 60-year average.
0.04Westmont, Wednesday, 2 December
Climate normal for this date — 60-year average.
0.07Westmont, Thursday, 3 December
Climate normal for this date — 60-year average.
0.08Westmont, Friday, 4 December
Climate normal for this date — 60-year average.
0.07Westmont, Saturday, 5 December
Climate normal for this date — 60-year average.
0.12Westmont, Sunday, 6 December
Climate normal for this date — 60-year average.
0.09Westmont, Monday, 7 December
Climate normal for this date — 60-year average.
0.02Westmont, Tuesday, 8 December
Climate normal for this date — 60-year average.
0.03Westmont, Wednesday, 9 December
Climate normal for this date — 60-year average.
0.03Westmont, Thursday, 10 December
Climate normal for this date — 60-year average.
0.06Westmont, Friday, 11 December
Climate normal for this date — 60-year average.
0.06Westmont, Saturday, 12 December
Climate normal for this date — 60-year average.
0.03Westmont, Sunday, 13 December
Climate normal for this date — 60-year average.
0.03Westmont, Monday, 14 December
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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