Hopper Mountain National Wildlife Refuge Weather Forecast
- 58
- 71
Chance Rain Showers
- 59
- 74
Mostly Sunny
- 61
- 73
Mostly Sunny
- 62
- 78
Slight Chance Rain Showers
- 60
- 75
Slight Chance Rain Showers
- 59
- 75
Sunny
Today 19 Sep Southern Ventura County Mountains
Mostly cloudy with a chance of Showers and a slight chance of Thunderstorms. Highs from the mid 70s to lower 80s at low Elevations to the mid 60s to around 70 at high Elevations. South Winds around 15 Mph in the afternoon.
Tonight 19 Sep Southern Ventura County Mountains
Mostly clear. Lows in the 50s to around 60.
Hopper Mountain National Wildlife Refuge Temperature Statistics
September Temperature
Sandberg (20.5 miles)
Lowest 11 September, 2025
48.9 °FAverage September
69.8 °FHighest 1 September, 2025
91 °F
Climate (2020–Present)
Sandberg (20.5 miles)
Average Low 2020–2025
51.6 °FAverage 2020–2025
59.4 °FAverage High 2020–2025
68.2 °F