East Sister Weather Forecast

    • 35
    • 41

    Rain

    • 24
    • 36

    Breezy

    • 27
    • 32

    Mostly Sunny

    • 29
    • 36

    Mostly Cloudy

    • 17
    • 34

    Chance Snow

    • 19
    • 25

    Partly Sunny

Today 10 Dec Coastal York

Mostly cloudy. A chance of snow and rain in the Morning, then rain in the afternoon. Highs in the upper 30s. Southwest Winds around 10 Mph with Gusts up to 20 Mph. Chance of precipitation 90 percent.

Tonight 10 Dec Coastal York

Cloudy in the Evening, then becoming partly cloudy. A 50 percent chance of rain. Lows in the upper 20s. Southwest Winds around 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

East Sister Temperature Statistics

December Temperature

Pease Air Force Base / Portsmouth (7.5 miles)

  • Lowest 5 December, 2025

    6.8 °F

  • Average December

    27.6 °F

  • Highest 1 December, 2025

    40.3 °F

Climate (2020–Present)

Pease Air Force Base / Portsmouth (7.5 miles)

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  • Average Low 2020–2025

    42.6 °F

  • Average 2020–2025

    50.9 °F

  • Average High 2020–2025

    59.4 °F
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