Duncan Reservoir Weather Forecast

    • 57
    • 86

    Smoke

    • 56
    • 87

    Sunny

    • 55
    • 86

    Mostly Sunny

    • 55
    • 83

    Mostly Sunny

    • 52
    • 80

    Mostly Sunny

    • 51
    • 80

    Mostly Sunny

    • 52
    • 83

    Mostly Sunny

Today 17 Jul Modoc County

Sunny. Patchy smoke this morning. Haze through the day. Patchy smoke late this afternoon. Highs in the mid 80s to lower 90s. Southwest Winds 10 to 15 Mph.

Tonight 17 Jul Modoc County

Clear. Smoke this evening. Haze through the night. Patchy smoke after midnight. Lows in the mid 50s to lower 60s. Southwest Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Duncan Reservoir Temperature Statistics

July Temperature

Alturas (19.9 miles)

  • Lowest 5 July, 2025

    40.6 °F

  • Average July

    71.6 °F

  • Highest 14 July, 2025

    100.9 °F

Climate (2020–Present)

Alturas (19.9 miles)

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  • Average Low 2020–2025

    33 °F

  • Average 2020–2025

    49.3 °F

  • Average High 2020–2025

    64.5 °F
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