Weather in Charter Oak, CA
Charter Oak, Wednesday, 28 October, 22:39
Overcast. Feels like 64°. High 76°, low 56°.
Monthly outlook for Charter Oak, CA: average high 75.1°, average low 60.2°. That is 0.1° above the climate normal for October. Precipitation is expected on 3 days (about 2.9 inches), against a normal of 2 days and 0.5 inches. The warmest day looks like 9 November (86.7°), the coolest 2 November (47.2°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 28 October – 6 November | 72.1° | 76.1° | -2.2° |
| 7 November – 16 November | 80° | 72.5° | +4.2° |
| 17 November – 26 November | at normal | 69.9° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Covina (2 mi).
0Charter Oak, Thursday, 29 October
Overcast. High 76°, low 59°.
0.27
Charter Oak, Friday, 30 October
Rain. High 69°, low 57°.
0.02Charter Oak, Saturday, 31 October
Light rain. High 64°, low 56°.
0.06Charter Oak, Sunday, 1 November
Light rain. High 66°, low 49°.
0
Charter Oak, Monday, 2 November
Clear. High 72°, low 47°.
0Charter Oak, Tuesday, 3 November
Clear. High 80°, low 50°.
0Charter Oak, Wednesday, 4 November
Clear. High 75°, low 64°.
0Charter Oak, Thursday, 5 November
Overcast. High 71°, low 62°.
0
Charter Oak, Friday, 6 November
Partly cloudy. High 73°, low 62°.
0
Charter Oak, Saturday, 7 November
Mostly clear. High 80°, low 65°.
0Charter Oak, Sunday, 8 November
Clear. High 85°, low 69°.
0Charter Oak, Monday, 9 November
Mostly clear. High 87°, low 71°.
0Charter Oak, Tuesday, 10 November
Overcast. High 83°, low 70°.
0Charter Oak, Wednesday, 11 November
Overcast. High 77°, low 65°.
2.51Charter Oak, Thursday, 12 November
Heavy rain. High 69°, low 61°.
0.03Charter Oak, Friday, 13 November
Climate normal for this date — 60-year average.
0.05Charter Oak, Saturday, 14 November
Climate normal for this date — 60-year average.
0.08Charter Oak, Sunday, 15 November
Climate normal for this date — 60-year average.
0.06Charter Oak, Monday, 16 November
Climate normal for this date — 60-year average.
0.04Charter Oak, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.05Charter Oak, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.05Charter Oak, Thursday, 19 November
Climate normal for this date — 60-year average.
0.06Charter Oak, Friday, 20 November
Climate normal for this date — 60-year average.
0.1Charter Oak, Saturday, 21 November
Climate normal for this date — 60-year average.
0.06Charter Oak, Sunday, 22 November
Climate normal for this date — 60-year average.
0.01Charter Oak, Monday, 23 November
Climate normal for this date — 60-year average.
0.04Charter Oak, Tuesday, 24 November
Climate normal for this date — 60-year average.
0.06Charter Oak, Wednesday, 25 November
Climate normal for this date — 60-year average.
0.06Charter Oak, Thursday, 26 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 Charter Oak, 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 Charter Oak, 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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