Stronghold Weather Forecast

    • 47
    • 80

    Increasing Clouds

    • 46
    • 80

    Partly Sunny

    • 44
    • 79

    Mostly Sunny

    • 43
    • 76

    Partly Sunny

    • 45
    • 79

    Partly Sunny

    • 41
    • 72

    Partly Sunny

Today 20 Sep Northeast Siskiyou and Northwest Modoc Counties

Partly cloudy then becoming sunny late this morning then becoming partly cloudy. Highs in the mid 70s to lower 80s. East Winds around 5 Mph.

Tonight 20 Sep Northeast Siskiyou and Northwest Modoc Counties

Partly cloudy. Lows in the mid 40s to lower 50s. Northeast Winds around 5 Mph shifting to the southwest in the late evening and early Morning, then shifting to the southeast well after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Stronghold Temperature Statistics

September Temperature

Klamath Falls International Airport (23.6 miles)

  • Lowest 7 September, 2026

    31.6 °F

  • Average September

    54.7 °F

  • Highest 10 September, 2026

    86.6 °F

Climate (2021–2026)

Klamath Falls International Airport (23.6 miles)

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  • Average Low 2021–2026

    33.9 °F

  • Average 2021–2026

    48.6 °F

  • Average High 2021–2026

    63.3 °F
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