Weather in Charter Oak, CA
Charter Oak, Thursday, 22 October, 01:29
Overcast. Feels like 64°. High 65°, low 56°.
Monthly outlook for Charter Oak, CA: average high 76.1°, average low 61.2°. That is 0.6° below the climate normal for October. Precipitation is expected on 2 days (about 0.5 inches), against a normal of 1 days and 0.3 inches. The warmest day looks like 5 November (84.1°), the coolest 24 October (48.3°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 22 October – 31 October | 72.7° | 77.6° | -2.7° |
| 1 November – 10 November | 81.6° | 74.9° | +3.7° |
| 11 November – 20 November | at normal | 71.7° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Covina (2 mi).
0.07
Charter Oak, Friday, 23 October
Light rain. High 68°, low 50°.
0
Charter Oak, Saturday, 24 October
Clear. High 72°, low 48°.
0Charter Oak, Sunday, 25 October
Clear. High 74°, low 52°.
0Charter Oak, Monday, 26 October
Overcast. High 76°, low 54°.
0
Charter Oak, Tuesday, 27 October
Partly cloudy. High 75°, low 55°.
0Charter Oak, Wednesday, 28 October
Overcast. High 76°, low 67°.
0Charter Oak, Thursday, 29 October
Overcast. High 75°, low 65°.
0Charter Oak, Friday, 30 October
Partly cloudy. High 74°, low 64°.
0Charter Oak, Saturday, 31 October
Overcast. High 72°, low 61°.
0Charter Oak, Sunday, 1 November
Clear. High 77°, low 61°.
0Charter Oak, Monday, 2 November
Clear. High 83°, low 67°.
0
Charter Oak, Tuesday, 3 November
Mostly clear. High 83°, low 69°.
0Charter Oak, Wednesday, 4 November
Clear. High 83°, low 69°.
0Charter Oak, Thursday, 5 November
Clear. High 84°, low 69°.
0Charter Oak, Friday, 6 November
Clear. High 80°, low 71°.
0.06Charter Oak, Saturday, 7 November
Climate normal for this date — 60-year average.
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.
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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