West Sister Weather Forecast

    • 53
    • 70

    Increasing Clouds

    • 53
    • 62

    Mostly Cloudy

    • 54
    • 58

    Rain Showers Likely

    • 55
    • 64

    Chance Rain Showers

    • 53
    • 63

    Chance Rain Showers

    • 53
    • 64

    Slight Chance Rain Showers

Today 27 May Coastal York

Mostly sunny. Highs in the mid 70s. Light and variable Winds, becoming south around 10 Mph.

Tonight 27 May Coastal York

Partly cloudy. Lows around 50. Light and variable Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

West Sister Temperature Statistics

May Temperature

Pease Air Force Base / Portsmouth (6.8 miles)

  • Lowest 12 May, 2025

    41.2 °F

  • Average May

    55.1 °F

  • Highest 12 May, 2025

    77.7 °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

    59.4 °F
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