Weather in Mount Wilson, CA
Mount Wilson, Monday, 2 November, 17:03
Mostly clear. Feels like 50°. High 57°, low 36°.
Monthly outlook for Mount Wilson, CA: average high 57.9°, average low 42°. That is 7.9° below the climate normal for November. Precipitation is expected on 1 day (about 1.4 inches), against a normal of 2 days and 0.6 inches. The warmest day looks like 8 November (69°), the coolest 4 November (34.2°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 2 November – 11 November | 60.3° | 73.1° | -7.1° |
| 12 November – 21 November | 54° | 69.9° | -8.9° |
| 22 November – 1 December | at normal | 67° | — |
November records over 66 years
Climate normals and records are computed from the nearest reference point — Altadena (5 mi).
0
Mount Wilson, Tuesday, 3 November
Overcast. High 61°, low 41°.
0
Mount Wilson, Wednesday, 4 November
Clear. High 52°, low 34°.
0Mount Wilson, Thursday, 5 November
Clear. High 55°, low 38°.
0Mount Wilson, Friday, 6 November
Clear. High 59°, low 39°.
0Mount Wilson, Saturday, 7 November
Clear. High 63°, low 42°.
0Mount Wilson, Sunday, 8 November
Clear. High 69°, low 51°.
0Mount Wilson, Monday, 9 November
Clear. High 68°, low 53°.
0Mount Wilson, Tuesday, 10 November
Overcast. High 61°, low 48°.
0Mount Wilson, Wednesday, 11 November
Clear. High 58°, low 47°.
1.41
Mount Wilson, Thursday, 12 November
Heavy rain. High 48°, low 39°.
0Mount Wilson, Friday, 13 November
Clear. High 51°, low 37°.
0Mount Wilson, Saturday, 14 November
Clear. High 58°, low 42°.
0Mount Wilson, Sunday, 15 November
Clear. High 58°, low 45°.
0
Mount Wilson, Monday, 16 November
Partly cloudy. High 53°, low 42°.
0Mount Wilson, Tuesday, 17 November
Clear. High 55°, low 39°.
0.06
Mount Wilson, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.05Mount Wilson, Thursday, 19 November
Climate normal for this date — 60-year average.
0.07Mount Wilson, Friday, 20 November
Climate normal for this date — 60-year average.
0.09Mount Wilson, Saturday, 21 November
Climate normal for this date — 60-year average.
0.06Mount Wilson, Sunday, 22 November
Climate normal for this date — 60-year average.
0.01Mount Wilson, Monday, 23 November
Climate normal for this date — 60-year average.
0.04Mount Wilson, Tuesday, 24 November
Climate normal for this date — 60-year average.
0.04Mount Wilson, Wednesday, 25 November
Climate normal for this date — 60-year average.
0.06Mount Wilson, Thursday, 26 November
Climate normal for this date — 60-year average.
0.03Mount Wilson, Friday, 27 November
Climate normal for this date — 60-year average.
0.07Mount Wilson, Saturday, 28 November
Climate normal for this date — 60-year average.
0.11Mount Wilson, Sunday, 29 November
Climate normal for this date — 60-year average.
0.06Mount Wilson, Monday, 30 November
Climate normal for this date — 60-year average.
0.02Mount Wilson, Tuesday, 1 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 Mount Wilson, 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 Mount Wilson, 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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