Hopper Mountain National Wildlife Refuge Weather Forecast

    • 46
    • 68

    Becoming Sunny

    • 54
    • 79

    Sunny

    • 59
    • 86

    Sunny

    • 60
    • 86

    Mostly Sunny

    • 61
    • 82

    Mostly Sunny

    • 62
    • 84

    Mostly Sunny

Today 29 May Southern Ventura County Mountains

Partly cloudy in the morning then sunny. Highs from the 70s at low Elevations to the mid to upper 60s at high Elevations. Northwest Winds around 15 Mph in the afternoon.

Tonight 29 May Southern Ventura County Mountains

Clear. Lows in the mid 40s to mid 50s except the mid 30s to around 40 Colder Valleys and Slopes. North Winds 15 to 25 Mph.

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Hopper Mountain National Wildlife Refuge Temperature Statistics

May Temperature

Sandberg (20.5 miles)

  • Lowest 4 May, 2026

    38.6 °F

  • Average May

    61 °F

  • Highest 10 May, 2026

    88.6 °F

Climate (2021–Present)

Sandberg (20.5 miles)

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  • Average Low 2021–2026

    51.5 °F

  • Average 2021–2026

    59.4 °F

  • Average High 2021–2026

    68.1 °F
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