Weather in Charter Oak, CA
Charter Oak, Friday, 23 October, 09:02
Overcast. Feels like 62°. High 72°, low 58°.
Monthly outlook for Charter Oak, CA: average high 72°, average low 58.8°. That is 2.6° below the climate normal for October. Precipitation is expected on 3 days (about 2.4 inches), against a normal of 1 days and 0.3 inches. The warmest day looks like 6 November (79.9°), the coolest 25 October (50.9°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 23 October – 1 November | 72.9° | 77.3° | -2.5° |
| 2 November – 11 November | 70.5° | 74.4° | -2.2° |
| 12 November – 21 November | at normal | 71.4° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Covina (2 mi).
0
Charter Oak, Saturday, 24 October
Clear. High 79°, low 56°.
0Charter Oak, Sunday, 25 October
Clear. High 76°, low 51°.
0Charter Oak, Monday, 26 October
Overcast. High 76°, low 55°.
0Charter Oak, Tuesday, 27 October
Clear. High 73°, low 55°.
0Charter Oak, Wednesday, 28 October
Overcast. High 77°, low 57°.
0Charter Oak, Thursday, 29 October
Overcast. High 74°, low 62°.
0Charter Oak, Friday, 30 October
Overcast. High 71°, low 62°.
0.23
Charter Oak, Saturday, 31 October
Rain. High 67°, low 60°.
1.61Charter Oak, Sunday, 1 November
Rain. High 65°, low 60°.
0.48Charter Oak, Monday, 2 November
Rain. High 64°, low 60°.
0.01Charter Oak, Tuesday, 3 November
Light rain. High 65°, low 59°.
0
Charter Oak, Wednesday, 4 November
Partly cloudy. High 66°, low 58°.
0Charter Oak, Thursday, 5 November
Overcast. High 70°, low 58°.
0
Charter Oak, Friday, 6 November
Mostly clear. High 80°, low 63°.
0Charter Oak, Saturday, 7 November
Mostly clear. High 79°, low 67°.
0.08Charter Oak, Sunday, 8 November
Climate normal for this date — 60-year average.
0.04Charter Oak, Monday, 9 November
Climate normal for this date — 60-year average.
0.03Charter Oak, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.05Charter Oak, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.03Charter Oak, Thursday, 12 November
Climate normal for this date — 60-year average.
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.
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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