Exeter Weather Forecast

    • 10
    • 20

    Chance Snow

    • 26
    • 32

    Rain

    • 13
    • 33

    Slight Chance Snow Showers

    • 10
    • 25

    Partly Sunny

    • 13
    • 29

    Slight Chance Snow

    • 5
    • 27

    Chance Snow

    • 3
    • 18

    Partly Sunny

Today 9 Dec Southern Penobscot

Mostly sunny. Highs around 20. Southwest Winds around 5 Mph.

Tonight 9 Dec Southern Penobscot

Cloudy. A chance of snow. Snow accumulation around an inch possible. Not as cool with Lows around 11. South Winds around 5 Mph. Chance of snow 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Exeter Temperature Statistics

December Temperature

Bangor, Bangor International Airport (18.6 miles)

  • Lowest 6 December, 2025

    -2 °F

  • Average December

    20.2 °F

  • Highest 1 December, 2025

    37.9 °F

Climate (2020–Present)

Bangor, Bangor International Airport (18.6 miles)

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  • Average Low 2020–2025

    37.9 °F

  • Average 2020–2025

    47.5 °F

  • Average High 2020–2025

    57 °F
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