Riverside SPB Weather Forecast

    • 10
    • 32

    Mostly Cloudy

    • 11
    • 23

    Partly Sunny

    • 10
    • 28

    Mostly Cloudy

    • 11
    • 27

    Chance Snow Showers

    • 7
    • 21

    Partly Sunny

    • 7
    • 25

    Partly Sunny

Today 11 Dec Southern Piscataquis

Mostly cloudy with isolated snow Showers this Morning, then partly sunny this afternoon. Cold with Highs in the lower 30s. Temperature falling to around 20 this afternoon. West Winds 10 to 15 Mph with Gusts up to 30 Mph. Chance of snow 20 percent.

Tonight 11 Dec Southern Piscataquis

Mostly cloudy. Colder with Lows around 11. West Winds 15 to 20 Mph with Gusts up to 35 Mph.

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Riverside SPB Temperature Statistics

December Temperature

Greenville (24.9 miles)

  • Lowest 5 December, 2025

    -2.9 °F

  • Average December

    13.7 °F

  • Highest 1 December, 2025

    30.9 °F

Climate (2020–Present)

Greenville (24.9 miles)

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  • Average Low 2020–2025

    36.3 °F

  • Average 2020–2025

    44 °F

  • Average High 2020–2025

    51.7 °F
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