Derby Weather Forecast

    • 45
    • 84

    Rain Showers

    • 45
    • 71

    Mostly Sunny

    • 50
    • 73

    Mostly Cloudy

    • 50
    • 72

    Chance Rain Showers

    • 51
    • 78

    Mostly Sunny

    • 53
    • 82

    Mostly Sunny

Today 17 Aug Southern Piscataquis

Mostly sunny with isolated Showers this Morning, then mostly cloudy with widespread Showers and scattered Thunderstorms this afternoon. Highs around 80. Temperature falling to around 70 this afternoon. Southwest Winds around 5 Mph, becoming north with Gusts up to 20 Mph this afternoon. Chance of rain 90 percent.

Tonight 17 Aug Southern Piscataquis

Mostly cloudy with scattered Showers this Evening, then mostly clear after midnight. Cooler with Lows in the mid 40s. North Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 50 percent.

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  • Temperature Real-Time

Derby Temperature Statistics

August Temperature

Bangor, Bangor International Airport (31.1 miles)

  • Lowest 2 August, 2025

    46.7 °F

  • Average August

    71.7 °F

  • Highest 12 August, 2025

    97.6 °F

Climate (2020–Present)

Bangor, Bangor International Airport (31.1 miles)

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  • Average Low 2020–2025

    38 °F

  • Average 2020–2025

    47.6 °F

  • Average High 2020–2025

    57 °F
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