Charleston Weather Forecast

    • 59
    • 82

    Mostly Sunny

    • 47
    • 79

    Slight Chance Rain Showers

    • 42
    • 59

    Chance Rain Showers

    • 41
    • 58

    Chance Rain Showers

    • 40
    • 59

    Chance Rain Showers

    • 43
    • 64

    Chance Rain Showers

Today 26 May Southern Penobscot

Sunny and much warmer. Near steady temperature around 80. Southwest Winds around 10 Mph with Gusts up to 20 Mph.

Tonight 26 May Southern Penobscot

Mostly clear in the Evening, then becoming partly cloudy. Lows in the upper 50s. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Charleston Temperature Statistics

May Temperature

Bangor, Bangor International Airport (22.4 miles)

  • Lowest 2 May, 2026

    30.7 °F

  • Average May

    53.4 °F

  • Highest 19 May, 2026

    89.7 °F

Climate (2021–Present)

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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