Charleston Weather Forecast

    • 62
    • 87

    Rain Showers

    • 72
    • 91

    Mostly Cloudy

    • 73
    • 96

    Slight Chance Thunderstorms

    • 70
    • 95

    Mostly Sunny

    • 64
    • 86

    Partly Sunny

    • 62
    • 85

    Partly Sunny

    • 60
    • 82

    Partly Sunny

Today 30 Jun Southern Penobscot

Partly sunny. Hot with Highs in the upper 80s. Southwest Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 30 Jun Southern Penobscot

Partly cloudy with isolated Showers this Evening, then mostly cloudy with scattered Showers after midnight. Areas of fog after midnight. Lows in the lower 60s. South Winds 5 to 10 Mph. Chance of rain 50 percent.

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Charleston Temperature Statistics

June Temperature

Bangor, Bangor International Airport (22.4 miles)

  • Lowest 1 June, 2026

    36.6 °F

  • Average June

    65.2 °F

  • Highest 11 June, 2026

    87.7 °F

Climate (2021–2026)

Bangor, Bangor International Airport (22.4 miles)

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  • Average Low 2021–2026

    37.3 °F

  • Average 2021–2026

    47.1 °F

  • Average High 2021–2026

    56.7 °F
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