Riverside SPB Weather Forecast

    • 50
    • 74

    Increasing Clouds

    • 49
    • 69

    Chance Rain

    • 46
    • 65

    Rain Likely

    • 48
    • 60

    Rain Likely

    • 47
    • 64

    Slight Chance Rain Showers

    • 49
    • 71

    Mostly Cloudy

Today 25 Sep Southern Piscataquis

Partly sunny. Highs in the lower 70s. Northeast Winds 5 to 10 Mph.

Tonight 25 Sep Southern Piscataquis

Cloudy. Lows around 50. Northeast Winds 5 to 10 Mph.

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  • Temperature Real-Time

Riverside SPB Temperature Statistics

September Temperature

Greenville (24.9 miles)

  • Lowest 22 September, 2026

    41 °F

  • Average September

    56 °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

    43.5 °F

  • Average High 2021–2026

    51.2 °F
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