Charter Oak Weather Forecast
- 49
- 61
Rain Showers
- 48
- 65
Mostly Sunny
- 52
- 72
Mostly Sunny
- 55
- 77
Sunny
- 56
- 80
Patchy Fog
- 53
- 77
Patchy Fog
- 50
- 69
Partly Sunny
Today 14 Oct Los Angeles County San Gabriel Valley
Showers with a chance of Thunderstorms in the Morning, then Showers with a slight chance of Thunderstorms in the afternoon. Some Thunderstorms may produce heavy rainfall. Locally heavy rainfall possible in the morning. Highs in the upper 50s to mid 60s. South Winds 15 to 25 Mph.
Tonight 14 Oct Los Angeles County San Gabriel Valley
Mostly cloudy with a chance of Showers in the Evening, becoming partly cloudy with a slight chance of Showers after midnight. Lows in the mid 40s to mid 50s. Chance of precipitation 40 percent.
Charter Oak Temperature Statistics
October Temperature
Brackett Field Airport (3.7 miles)
Lowest 12 October, 2025
53.6 °FAverage October
70.5 °FHighest 10 October, 2025
87.8 °F
Climate (2020–Present)
Brackett Field Airport (3.7 miles)
Average Low 2020–2025
55.5 °FAverage 2020–2025
67.6 °FAverage High 2020–2025
75.6 °F