Weather in Mount Wilson, CA
Mount Wilson, Friday, 6 November, 21:15
Clear. Feels like 49°. High 64°, low 40°.
Monthly outlook for Mount Wilson, CA: average high 62.1°, average low 44.9°. That is 4.7° below the climate normal for November. Precipitation is expected on 1 day (about 0.1 inches), against a normal of 2 days and 0.8 inches. The warmest day looks like 7 November (69.1°), the coolest 18 November (37.6°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 6 November – 15 November | 63.7° | 71.5° | -4.3° |
| 16 November – 25 November | 59.3° | 68.7° | -5.2° |
| 26 November – 5 December | at normal | 66° | — |
November records over 66 years
Climate normals and records are computed from the nearest reference point — Altadena (5 mi).
0
Mount Wilson, Saturday, 7 November
Clear. High 69°, low 43°.
0
Mount Wilson, Sunday, 8 November
Partly cloudy. High 67°, low 45°.
0Mount Wilson, Monday, 9 November
Clear. High 62°, low 44°.
0Mount Wilson, Tuesday, 10 November
Clear. High 63°, low 44°.
0Mount Wilson, Wednesday, 11 November
Clear. High 65°, low 45°.
0Mount Wilson, Thursday, 12 November
Clear. High 64°, low 52°.
0Mount Wilson, Friday, 13 November
Clear. High 66°, low 50°.
0
Mount Wilson, Saturday, 14 November
Overcast. High 59°, low 48°.
0
Mount Wilson, Sunday, 15 November
Mostly clear. High 58°, low 45°.
0Mount Wilson, Monday, 16 November
Overcast. High 58°, low 47°.
0.11
Mount Wilson, Tuesday, 17 November
Light rain. High 50°, low 42°.
0Mount Wilson, Wednesday, 18 November
Clear. High 60°, low 38°.
0Mount Wilson, Thursday, 19 November
Clear. High 62°, low 44°.
0Mount Wilson, Friday, 20 November
Clear. High 63°, low 46°.
0Mount Wilson, Saturday, 21 November
Clear. High 64°, low 47°.
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.
0.04Mount Wilson, Wednesday, 2 December
Climate normal for this date — 60-year average.
0.08Mount Wilson, Thursday, 3 December
Climate normal for this date — 60-year average.
0.09Mount Wilson, Friday, 4 December
Climate normal for this date — 60-year average.
0.08Mount Wilson, Saturday, 5 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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