Weather in Westmont, CA
Westmont, Wednesday, 11 November, 10:30
Fog. Feels like 78°. High 82°, low 59°.
Monthly outlook for Westmont, CA: average high 71.6°, average low 59.8°. That is 0.9° above the climate normal for November. Precipitation is expected on 3 days (about 1.2 inches), against a normal of 2 days and 0.7 inches. The warmest day looks like 11 November (82.3°), the coolest 15 November (54.7°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 11 November – 20 November | 69.7° | 70.6° | -0.5° |
| 21 November – 30 November | 74.8° | 68.3° | +3.7° |
| 1 December – 10 December | at normal | 66.3° | — |
November records over 66 years
0
Westmont, Thursday, 12 November
Clear. High 81°, low 59°.
0.31
Westmont, Friday, 13 November
Rain. High 68°, low 58°.
0.76Westmont, Saturday, 14 November
Heavy rain. High 69°, low 55°.
0Westmont, Sunday, 15 November
Clear. High 68°, low 55°.
0.13Westmont, Monday, 16 November
Light rain. High 66°, low 57°.
0.01Westmont, Tuesday, 17 November
Light rain. High 68°, low 58°.
0
Westmont, Wednesday, 18 November
Mostly clear. High 65°, low 58°.
0
Westmont, Thursday, 19 November
Overcast. High 63°, low 60°.
0Westmont, Friday, 20 November
Mostly clear. High 67°, low 59°.
0Westmont, Saturday, 21 November
Clear. High 71°, low 60°.
0Westmont, Sunday, 22 November
Overcast. High 69°, low 59°.
0Westmont, Monday, 23 November
Overcast. High 71°, low 61°.
0Westmont, Tuesday, 24 November
Overcast. High 75°, low 64°.
0Westmont, Wednesday, 25 November
Clear. High 80°, low 66°.
0Westmont, Thursday, 26 November
Clear. High 82°, low 68°.
0.02Westmont, Friday, 27 November
Climate normal for this date — 60-year average.
0.06Westmont, Saturday, 28 November
Climate normal for this date — 60-year average.
0.09Westmont, Sunday, 29 November
Climate normal for this date — 60-year average.
0.04Westmont, Monday, 30 November
Climate normal for this date — 60-year average.
0.02Westmont, 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.
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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