Newcastle Weather Forecast

    • 22
    • 45

    Becoming Sunny

    • 28
    • 43

    Slight Chance Rain

    • 44
    • 54

    Rain

    • 16
    • 50

    Partly Sunny

    • 20
    • 35

    Mostly Cloudy

    • 25
    • 41

    Mostly Cloudy

Today 14 Mar Lincoln

Mostly cloudy. Snow likely or a chance of rain this Morning, then a slight chance of rain Showers this afternoon. Additional snow accumulation around an inch. Total snow accumulation 2 to 3 Inches. Highs in the lower 40s. West Winds around 10 Mph with Gusts up to 25 Mph. Chance of precipitation 70 percent.

Tonight 14 Mar Lincoln

Partly cloudy with a chance of rain Showers in the Evening, then mostly clear after midnight. Lows in the lower 20s. Northwest Winds 10 to 15 Mph with Gusts up to 30 Mph. Chance of rain 20 percent.

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Newcastle Temperature Statistics

March Temperature

Wiscasset Airport (9.3 miles)

  • Lowest 2 March, 2026

    1.9 °F

  • Average March

    35 °F

  • Highest 10 March, 2026

    69.1 °F

Climate (2021–Present)

Wiscasset Airport (9.3 miles)

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  • Average Low 2021–2026

    38.7 °F

  • Average 2021–2026

    48.4 °F

  • Average High 2021–2026

    57.9 °F
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