Mountain Home State Forest Weather Forecast

    • 39
    • 54

    Decreasing Clouds

    • 35
    • 48

    Mostly Cloudy

    • 35
    • 45

    Partly Sunny

    • 32
    • 44

    Partly Sunny

    • 34
    • 46

    Partly Sunny

    • 37
    • 48

    Partly Sunny

Today 21 Jan South End of the Upper Sierra

Mostly cloudy. Highs 46 to 58. Northwest Winds up to 5 Mph shifting to the southwest in the afternoon.

Tonight 21 Jan South End of the Upper Sierra

Mostly cloudy. Lows 31 to 43. West Winds up to 5 Mph.

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  • Temperature Real-Time

Mountain Home State Forest Temperature Statistics

January Temperature

Porterville, Porterville Municipal Airport (25.5 miles)

  • Lowest 10 January, 2026

    30.9 °F

  • Average January

    48.3 °F

  • Highest 2 January, 2026

    66.9 °F

Climate (2021–Present)

Porterville, Porterville Municipal Airport (25.5 miles)

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  • Average Low 2021–2026

    51.7 °F

  • Average 2021–2026

    64.9 °F

  • Average High 2021–2026

    79 °F
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