Weather in Westmont, CA
Westmont, Monday, 19 October, 18:22
Clear. Feels like 74°. High 85°, low 62°.
Monthly outlook for Westmont, CA: average high 76.6°, average low 64.2°. That is 0.6° above the climate normal for October. Precipitation is expected on 2 days (about 1.1 inches), against a normal of 1 days and 0.3 inches. The warmest day looks like 26 October (87.4°), the coolest 24 October (54.4°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 19 October – 28 October | 78.9° | 76.1° | +1.6° |
| 29 October – 7 November | 72.8° | 73.8° | -0.5° |
| 8 November – 17 November | at normal | 71° | — |
October records over 66 years
0
Westmont, Tuesday, 20 October
Clear. High 82°, low 60°.
0.42
Westmont, Wednesday, 21 October
Heavy rain. High 75°, low 59°.
0.66Westmont, Thursday, 22 October
Rain. High 67°, low 59°.
0.01Westmont, Friday, 23 October
Light rain. High 70°, low 56°.
0Westmont, Saturday, 24 October
Clear. High 73°, low 54°.
0
Westmont, Sunday, 25 October
Mostly clear. High 81°, low 57°.
0Westmont, Monday, 26 October
Clear. High 87°, low 74°.
0
Westmont, Tuesday, 27 October
Overcast. High 86°, low 75°.
0Westmont, Wednesday, 28 October
Clear. High 83°, low 73°.
0Westmont, Thursday, 29 October
Overcast. High 76°, low 68°.
0
Westmont, Friday, 30 October
Partly cloudy. High 71°, low 67°.
0Westmont, Saturday, 31 October
Overcast. High 67°, low 64°.
0Westmont, Sunday, 1 November
Clear. High 72°, low 64°.
0Westmont, Monday, 2 November
Mostly clear. High 77°, low 67°.
0Westmont, Tuesday, 3 November
Overcast. High 73°, low 67°.
0.02Westmont, Wednesday, 4 November
Climate normal for this date — 60-year average.
0Westmont, Thursday, 5 November
Climate normal for this date — 60-year average.
0.02Westmont, Friday, 6 November
Climate normal for this date — 60-year average.
0.06Westmont, Saturday, 7 November
Climate normal for this date — 60-year average.
0.07Westmont, Sunday, 8 November
Climate normal for this date — 60-year average.
0.03Westmont, Monday, 9 November
Climate normal for this date — 60-year average.
0.03Westmont, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.04Westmont, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.03Westmont, Thursday, 12 November
Climate normal for this date — 60-year average.
0.03Westmont, 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.
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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