Middletown Weather Forecast

    • 30
    • 58

    Increasing Clouds

    • 30
    • 50

    Rain

    • 27
    • 52

    Mostly Sunny

    • 35
    • 49

    Rain

    • 37
    • 51

    Rain

    • 34
    • 53

    Rain Likely

Today 23 Jan North Bay Mountains

Sunny. Highs in the 40s to upper 50s. Northwest Winds 5 to 15 Mph.

Tonight 23 Jan North Bay Mountains

Clear in the evening then becoming partly cloudy. Lows in the upper 30s. Northwest Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Middletown Temperature Statistics

January Temperature

Santa Rosa, Santa Rosa Sonoma County Airport (20.5 miles)

  • Lowest 1 January, 2021

    30.9 °F
  • Average January

    49 °F
  • Highest 18 January, 2021

    79 °F

Climate (2010–Present)

Santa Rosa, Santa Rosa Sonoma County Airport (20.5 miles)

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  • Average Low 2010–Present

    45.4 °F
  • Average 2010–Present

    56.3 °F
  • Average High 2010–Present

    72.4 °F
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