East Sister Weather Forecast

    • 67
    • 83

    Chance Rain Showers

    • 64
    • 76

    Chance Rain Showers

    • 61
    • 76

    Mostly Sunny

    • 61
    • 73

    Mostly Sunny

    • 64
    • 72

    Chance Rain Showers

    • 63
    • 72

    Chance Rain Showers

    • 63
    • 72

    Partly Sunny

Today 12 Aug Coastal York

Partly sunny. Highs in the lower 80s. Light and variable Winds.

Tonight 12 Aug Coastal York

Partly cloudy. A slight chance of Showers this Evening, then a chance of Showers after midnight. Lows in the lower 60s. Light and variable Winds. Chance of rain 40 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

East Sister Temperature Statistics

August Temperature

Pease Air Force Base / Portsmouth (7.5 miles)

  • Lowest 5 August, 2026

    62.8 °F

  • Average August

    76.9 °F

  • Highest 7 August, 2026

    91.4 °F

Climate (2021–2026)

Pease Air Force Base / Portsmouth (7.5 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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