Highland Springs Reservoir Weather Forecast

    • 58
    • 80

    Sunny

    • 62
    • 86

    Sunny

    • 65
    • 90

    Sunny

    • 64
    • 89

    Mostly Sunny

    • 64
    • 86

    Mostly Sunny

    • 66
    • 89

    Mostly Sunny

Today 28 Sep Southwestern Lake

Sunny. Highs 75 to 85. Northeast wind around 5 Mph shifting to the northwest in the afternoon.

Tonight 28 Sep Southwestern Lake

Clear. Lows 54 to 64. Northwest wind up to 10 Mph.

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Highland Springs Reservoir Temperature Statistics

September Temperature

Ukiah Municipal Airport (19.9 miles)

  • Lowest 6 September, 2026

    45.6 °F
  • Average September

    68.9 °F
  • Highest 10 September, 2026

    100.7 °F

Climate (2021–2026)

Ukiah Municipal Airport (19.9 miles)

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  • Average Low 2021–2026

    47.1 °F
  • Average 2021–2026

    61 °F
  • Average High 2021–2026

    76 °F
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