Cape Horn State Forest Weather Forecast

    • 44
    • 71

    Partly Sunny

    • 47
    • 75

    Mostly Sunny

    • 45
    • 72

    Partly Sunny

    • 57
    • 73

    Rain Showers Likely

    • 46
    • 75

    Chance Rain Showers

    • 42
    • 67

    Partly Sunny

    • 48
    • 75

    Partly Sunny

Today 6 Sep Southern Coos

Partly sunny with isolated Showers. Near steady temperature in the mid 60s. North Winds around 10 Mph with Gusts up to 20 Mph. Chance of rain 20 percent.

Tonight 6 Sep Southern Coos

Partly cloudy with isolated Showers in the Evening, then mostly clear after midnight. Patchy dense fog after midnight with visibility one quarter mile or less at Times. Lows in the mid 40s. Northwest Winds around 10 Mph in the Evening, becoming light and variable. Chance of rain 20 percent.

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Cape Horn State Forest Temperature Statistics

September Temperature

Whitefield - Mount Washington Regional Airport (13 miles)

  • Lowest 1 September, 2026

    45 °F

  • Average September

    62.9 °F

  • Highest 3 September, 2026

    75.9 °F

Climate (2021–2026)

Whitefield - Mount Washington Regional Airport (13 miles)

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  • Average Low 2021–2026

    32.2 °F

  • Average 2021–2026

    43.9 °F

  • Average High 2021–2026

    55.1 °F
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