West Sister Weather Forecast

    • 37
    • 46

    Mostly Cloudy

    • 39
    • 46

    Mostly Cloudy

    • 38
    • 48

    Mostly Sunny

    • 37
    • 49

    Mostly Sunny

    • 43
    • 54

    Mostly Sunny

    • 44
    • 57

    Mostly Sunny

    • 44
    • 58

    Partly Sunny

Today 13 Nov Coastal York

Mostly cloudy. Highs in the upper 40s. Light and variable Winds.

Tonight 13 Nov Coastal York

Mostly cloudy in the Evening, then becoming partly cloudy. Lows in the upper 20s. Light and variable Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

West Sister Temperature Statistics

November Temperature

Pease Air Force Base / Portsmouth (6.8 miles)

  • Lowest 1 November, 2026

    28.6 °F

  • Average November

    55.1 °F

  • Highest 4 November, 2026

    77.7 °F

Climate (2021–2026)

Pease Air Force Base / Portsmouth (6.8 miles)

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  • Average Low 2021–2026

    42.2 °F

  • Average 2021–2026

    50.7 °F

  • Average High 2021–2026

    59.2 °F
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