Derby Weather Forecast

    • 47
    • 78

    Rain Showers

    • 48
    • 76

    Partly Sunny

    • 49
    • 76

    Mostly Cloudy

    • 51
    • 72

    Chance Rain Showers

    • 52
    • 70

    Chance Rain Showers

    • 50
    • 72

    Chance Rain Showers

    • 48
    • 72

    Chance Rain Showers

Today 30 Aug Southern Piscataquis

Numerous Showers with isolated Thunderstorms. Highs in the upper 70s. West Winds 5 to 10 Mph. Chance of rain 70 percent.

Tonight 30 Aug Southern Piscataquis

Mostly cloudy with numerous Showers with isolated Thunderstorms in the Evening, then clear after midnight. Patchy fog after midnight. Lows in the upper 40s. Northwest Winds 5 to 10 Mph. Chance of rain 70 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Derby Temperature Statistics

August Temperature

Bangor, Bangor International Airport (31.1 miles)

  • Lowest 15 August, 2026

    49.6 °F

  • Average August

    71.4 °F

  • Highest 6 August, 2026

    92.6 °F

Climate (2021–2026)

Bangor, Bangor International Airport (31.1 miles)

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  • Average Low 2021–2026

    37.2 °F

  • Average 2021–2026

    47.2 °F

  • Average High 2021–2026

    56.9 °F
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