Riverside SPB Weather Forecast

    • 58
    • 64

    Areas Fog

    • 53
    • 77

    Chance Rain Showers

    • 46
    • 68

    Chance Rain Showers

    • 44
    • 72

    Partly Sunny

    • 50
    • 78

    Slight Chance Rain Showers

    • 46
    • 75

    Partly Sunny

    • 51
    • 72

    Chance Rain Showers

Today 3 Sep Southern Piscataquis

Cloudy with a 50 percent chance of rain. Patchy fog. Highs in the mid 60s. South Winds around 5 Mph with Gusts up to 15 Mph.

Tonight 3 Sep Southern Piscataquis

Cloudy. Scattered Showers in the evening. Areas of fog. Lows in the upper 50s. Southeast Winds around 5 Mph in the Evening, becoming light and variable. Chance of rain 40 percent.

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Riverside SPB Temperature Statistics

September Temperature

Greenville (24.9 miles)

  • Lowest 1 September, 2026

    48.9 °F

  • Average September

    60.1 °F

  • Highest 1 September, 2026

    70 °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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