Riverside SPB Weather Forecast

    • 55
    • 67

    Chance Rain Showers

    • 41
    • 68

    Chance Rain Showers

    • 46
    • 71

    Mostly Sunny

    • 52
    • 77

    Partly Sunny

    • 52
    • 73

    Chance Rain Showers

    • 45
    • 72

    Partly Sunny

Today 13 Sep Southern Piscataquis

Cloudy with scattered Showers. Highs in the mid 60s. South Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 50 percent.

Tonight 13 Sep Southern Piscataquis

Cloudy. A slight chance of Showers in the Evening, then a chance of Showers after midnight. Lows in the mid 50s. Southwest Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 40 percent.

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Riverside SPB Temperature Statistics

September Temperature

Greenville (24.9 miles)

  • Lowest 9 September, 2026

    43 °F

  • Average September

    58.7 °F

  • Highest 4 September, 2026

    72 °F

Climate (2021–2026)

Greenville (24.9 miles)

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  • Average Low 2021–2026

    35.8 °F

  • Average 2021–2026

    43.6 °F

  • Average High 2021–2026

    51.3 °F
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