St. John Airport Weather Forecast

    • 53
    • 74

    Mostly Sunny

    • 51
    • 75

    Partly Sunny

    • 54
    • 73

    Mostly Sunny

    • 57
    • 78

    Mostly Sunny

    • 62
    • 83

    Mostly Sunny

    • 66
    • 88

    Partly Sunny

    • 66
    • 88

    Mostly Cloudy

Today 31 May Northern Baltimore

Sunny. Highs in the mid 70s. West Winds around 5 Mph.

Tonight 31 May Northern Baltimore

Mostly clear. Lows in the lower 50s. West Winds around 5 Mph.

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St. John Airport Temperature Statistics

May Temperature

Baltimore, Inner Harbor (15.5 miles)

  • Lowest 1 May, 2026

    46 °F

  • Average May

    65.9 °F

  • Highest 19 May, 2026

    97 °F

Climate (2022–Present)

Baltimore, Inner Harbor (15.5 miles)

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  • Average Low 2022–2026

    52.7 °F

  • Average 2022–2026

    59.9 °F

  • Average High 2022–2026

    67.6 °F
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