Upton Weather Forecast

    • 34
    • 39

    Mostly Sunny

    • 23
    • 47

    Becoming Sunny

    • 32
    • 41

    Chance Rain/Snow

    • 37
    • 51

    Slight Chance Rain

    • 34
    • 47

    Chance Rain

    • 42
    • 49

    Chance Rain

    • 39
    • 58

    Mostly Cloudy

Today 20 Dec Southern Baltimore

Sunny. Highs in the lower 40s. Southeast Winds 5 to 10 Mph.

Tonight 20 Dec Southern Baltimore

Mostly clear. Lows in the mid 30s. South Winds 5 to 10 Mph, becoming southwest after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Upton Temperature Statistics

December Temperature

Baltimore, Inner Harbor (1.2 miles)

  • Lowest 15 December, 2025

    19 °F

  • Average December

    34.5 °F

  • Highest 18 December, 2025

    51.1 °F

Climate (2022–Present)

Baltimore, Inner Harbor (1.2 miles)

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  • Average Low 2022–2025

    54.4 °F

  • Average 2022–2025

    61.6 °F

  • Average High 2022–2025

    69.2 °F
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