Upper Sysladobsis Lake Weather Forecast

    • 57
    • 63

    Chance Rain Showers

    • 41
    • 65

    Chance Rain Showers

    • 47
    • 68

    Mostly Sunny

    • 54
    • 72

    Partly Sunny

    • 54
    • 70

    Chance Rain Showers

    • 47
    • 68

    Partly Sunny

Today 13 Sep Central Penobscot

Cloudy with scattered Showers. Highs in the mid 60s. South Winds 5 to 10 Mph with Gusts up to 25 Mph. Chance of rain 50 percent.

Tonight 13 Sep Central Penobscot

Mostly cloudy. Near steady temperature around 50. South Winds around 5 Mph.

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  • Temperature Real-Time

Upper Sysladobsis Lake Temperature Statistics

September Temperature

Millinocket, Millinocket Municipal Airport (36 miles)

  • Lowest 9 September, 2026

    37.9 °F

  • Average September

    61.2 °F

  • Highest 7 September, 2026

    77.6 °F

Climate (2021–2026)

Millinocket, Millinocket Municipal Airport (36 miles)

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  • Average Low 2021–2026

    35.9 °F

  • Average 2021–2026

    45.5 °F

  • Average High 2021–2026

    55 °F
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