Stonington Weather Forecast

    • 36
    • 57

    Increasing Clouds

    • 42
    • 59

    Increasing Clouds

    • 57
    • 63

    Chance Rain Showers

    • 41
    • 65

    Rain Showers

    • 34
    • 53

    Mostly Sunny

    • 44
    • 63

    Partly Sunny

    • 46
    • 69

    Mostly Cloudy

Today 13 Mar Northumberland

Sunny. Highs in the mid 50s. Southeast Winds around 5 Mph.

Tonight 13 Mar Northumberland

Mostly clear this Evening, then becoming partly cloudy. Lows in the upper 30s. Southeast Winds around 5 Mph.

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Stonington Temperature Statistics

March Temperature

Selinsgrove Penn Valley Airport (9.9 miles)

  • Lowest 2 March, 2025

    17.9 °F

  • Average March

    41.1 °F

  • Highest 11 March, 2025

    71.1 °F

Climate (2020–Present)

Selinsgrove Penn Valley Airport (9.9 miles)

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  • Average Low 2020–2025

    42.3 °F

  • Average 2020–2025

    52.5 °F

  • Average High 2020–2025

    63 °F
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