Trinity National Forest Weather Forecast

    • 67
    • 89

    Patchy Smoke

    • 65
    • 90

    Mostly Sunny

    • 62
    • 88

    Partly Sunny

    • 56
    • 83

    Mostly Sunny

    • 59
    • 82

    Sunny

    • 61
    • 86

    Sunny

Today 18 Aug Northwestern and Central Trinity

Partly cloudy in the morning then clearing. Patchy smoke in the morning. Highs 90 to 105. Northeast wind around 5 Mph shifting to the west in the afternoon.

Tonight 18 Aug Northwestern and Central Trinity

Partly cloudy. Patchy smoke in the evening. Lows 57 to 67. West wind around 10 Mph shifting to the north overnight.

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Trinity National Forest Temperature Statistics

August Temperature

Mount Shasta (52.2 miles)

  • Lowest 15 August, 2026

    45 °F

  • Average August

    72.2 °F

  • Highest 7 August, 2026

    98.7 °F

Climate (2021–2026)

Mount Shasta (52.2 miles)

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  • Average Low 2021–2026

    39.6 °F

  • Average 2021–2026

    52.5 °F

  • Average High 2021–2026

    65.8 °F
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