West Sister Weather Forecast

    • 63
    • 66

    Slight Chance Rain Showers

    • 64
    • 66

    Rain Showers Likely

    • 65
    • 67

    Rain Showers

    • 63
    • 73

    Partly Sunny

    • 60
    • 68

    Partly Sunny

    • 60
    • 66

    Mostly Sunny

    • 61
    • 69

    Partly Sunny

Today 1 Sep Coastal York

Mostly cloudy with a 50 percent chance of Showers. Highs in the upper 60s. Light and variable Winds.

Tonight 1 Sep Coastal York

Cloudy with a 20 percent chance of Showers. Lows in the upper 50s. Light and variable Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

West Sister Temperature Statistics

September Temperature

Pease Air Force Base / Portsmouth (6.8 miles)

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  • Average September

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Climate (2021–2026)

Pease Air Force Base / Portsmouth (6.8 miles)

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  • Average Low 2021–2026

    42.3 °F

  • Average 2021–2026

    50.7 °F

  • Average High 2021–2026

    59.2 °F
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