West Sister Weather Forecast

    • 62
    • 75

    Mostly Sunny

    • 67
    • 77

    Mostly Cloudy

    • 69
    • 84

    Partly Sunny

    • 68
    • 81

    Chance Rain Showers

    • 65
    • 75

    Rain Showers Likely

    • 63
    • 73

    Chance Rain Showers

Today 4 Jul Coastal York

Mostly sunny. Highs in the upper 70s. Northwest Winds around 10 Mph.

Tonight 4 Jul Coastal York

Mostly clear. Lows in the mid 50s. Light and variable Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

West Sister Temperature Statistics

July Temperature

Pease Air Force Base / Portsmouth (6.8 miles)

  • Lowest 1 July, 2025

    64.4 °F

  • Average July

    78.3 °F

  • Highest 1 July, 2025

    91.2 °F

Climate (2020–Present)

Pease Air Force Base / Portsmouth (6.8 miles)

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  • Average Low 2020–2025

    42.7 °F

  • Average 2020–2025

    50.9 °F

  • Average High 2020–2025

    59.3 °F
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