York Harbor Weather Forecast

    • 60
    • 73

    Becoming Sunny

    • 46
    • 73

    Mostly Sunny

    • 45
    • 65

    Mostly Sunny

    • 50
    • 66

    Mostly Sunny

    • 58
    • 71

    Partly Sunny

    • 60
    • 78

    Slight Chance Rain Showers

Today 18 Sep Coastal York

Partly sunny. Isolated Showers in the morning. Patchy fog in the morning. Highs in the upper 70s. Light and variable Winds. Chance of rain 20 percent.

Tonight 18 Sep Coastal York

Cloudy with scattered Showers with isolated Thunderstorms. Patchy fog. Lows in the lower 50s. Light and variable Winds. Chance of rain 40 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

York Harbor Temperature Statistics

September Temperature

Pease Air Force Base / Portsmouth (9.3 miles)

  • Lowest 9 September, 2025

    47.3 °F

  • Average September

    63.9 °F

  • Highest 6 September, 2025

    82.6 °F

Climate (2020–Present)

Pease Air Force Base / Portsmouth (9.3 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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