West Sister Weather Forecast

    • 24
    • 42

    Chance Snow

    • 30
    • 37

    Partly Sunny

    • 29
    • 37

    Rain/Snow

    • 25
    • 33

    Chance Snow

    • 29
    • 35

    Chance Snow

    • 22
    • 34

    Chance Snow

Today 18 Feb Coastal York

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

Tonight 18 Feb Coastal York

Partly cloudy. Lows around 18. Light and variable Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

West Sister Temperature Statistics

February Temperature

Pease Air Force Base / Portsmouth (6.8 miles)

  • Lowest 8 February, 2026

    2.8 °F

  • Average February

    22.3 °F

  • Highest 13 February, 2026

    37.2 °F

Climate (2021–Present)

Pease Air Force Base / Portsmouth (6.8 miles)

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  • Average Low 2021–2026

    42.3 °F

  • Average 2021–2026

    50.6 °F

  • Average High 2021–2026

    59.2 °F
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