Sugarloaf Open Space Weather Forecast

    • 35
    • 57

    Mostly Sunny

    • 44
    • 54

    Mostly Cloudy

    • 45
    • 52

    Rain

    • 48
    • 56

    Rain Likely

    • 48
    • 58

    Rain Likely

    • 47
    • 57

    Rain Likely

Today 29 Dec East Bay Interior Valleys

Sunny. Highs in the mid 50s. Northeast Winds 5 to 10 Mph.

Tonight 29 Dec East Bay Interior Valleys

Mostly clear in the evening then becoming partly cloudy. Areas of frost and patchy fog after midnight. Lows in the upper 30s. Northeast Winds around 5 Mph.

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Sugarloaf Open Space Temperature Statistics

December Temperature

Concord, Buchanan Field (8.1 miles)

  • Lowest 4 December, 2025

    37.9 °F

  • Average December

    49.3 °F

  • Highest 17 December, 2025

    66 °F

Climate (2020–Present)

Concord, Buchanan Field (8.1 miles)

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  • Average Low 2020–2025

    50.9 °F

  • Average 2020–2025

    61.3 °F

  • Average High 2020–2025

    74.3 °F
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