Merrian Weather Forecast

    • 66
    • 75

    Rain Showers

    • 66
    • 84

    Rain Showers Likely

    • 56
    • 79

    Chance Rain Showers

    • 53
    • 74

    Mostly Sunny

    • 53
    • 73

    Partly Sunny

    • 56
    • 75

    Partly Sunny

Today 2 Sep Northumberland

Patchy fog this morning. Mostly cloudy with a chance of Showers. A slight chance of Thunderstorms. Some Thunderstorms may be severe this afternoon. Highs around 80. Southeast Winds around 5 Mph. Chance of rain 50 percent.

Tonight 2 Sep Northumberland

Showers likely with a chance of Thunderstorms. Some Thunderstorms may be severe in the evening. Humid with Lows in the upper 60s. South Winds around 5 Mph. Chance of rain 70 percent.

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Merrian Temperature Statistics

September Temperature

Selinsgrove Penn Valley Airport (23.6 miles)

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Climate (2021–2026)

Selinsgrove Penn Valley Airport (23.6 miles)

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  • Average Low 2021–2026

    42.2 °F

  • Average 2021–2026

    52.6 °F

  • Average High 2021–2026

    63 °F
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