Tulloch Dam Weather Forecast

    • 43
    • 46

    Becoming Sunny

    • 45
    • 47

    Mostly Sunny

    • 46
    • 49

    Mostly Sunny

    • 44
    • 50

    Mostly Sunny

    • 45
    • 56

    Partly Sunny

    • 49
    • 57

    Chance Rain Showers

Today 10 Dec Northern San Joaquin Valley

Mostly cloudy in the morning then becoming partly cloudy. Areas of fog. Locally dense in the morning. Haze through the day. Patchy fog early in the afternoon. Highs 44 to 53. Light Winds.

Tonight 10 Dec Northern San Joaquin Valley

Mostly clear. Patchy fog in the evening. Areas of dense fog. Locally dense after midnight. Lows 39 to 47. Light Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Tulloch Dam Temperature Statistics

December Temperature

Modesto City-County Airport - Harry Sham Field (25.5 miles)

  • Lowest 4 December, 2025

    36 °F

  • Average December

    44 °F

  • Highest 3 December, 2025

    54 °F

Climate (2020–Present)

Modesto City-County Airport - Harry Sham Field (25.5 miles)

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  • Average Low 2020–2025

    51.4 °F

  • Average 2020–2025

    63.3 °F

  • Average High 2020–2025

    75.9 °F
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