Lake Sumner Weather Forecast

    • 58
    • 83

    Severe Tstms

    • 57
    • 78

    Slight Chance Thunderstorms

    • 60
    • 82

    Chance Thunderstorms

    • 60
    • 87

    Mostly Sunny

    • 59
    • 88

    Mostly Sunny

    • 58
    • 87

    Mostly Sunny

    • 58
    • 85

    Mostly Sunny

Today 17 Sep De Baca County

Mostly sunny this Morning, then partly cloudy with isolated Showers and Thunderstorms this afternoon. Highs in the lower 80s. South Winds around 15 Mph. Chance of rain 20 percent.

Tonight 17 Sep De Baca County

Partly cloudy with a slight chance of Showers and Thunderstorms. Lows in the upper 50s. South Winds around 15 Mph this evening. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Sumner Temperature Statistics

September Temperature

Melrose Gunnery Range (39.1 miles)

  • Lowest 6 September, 2025

    55.9 °F

  • Average September

    72.3 °F

  • Highest 9 September, 2025

    94.8 °F

Climate (2020–Present)

Melrose Gunnery Range (39.1 miles)

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  • Average Low 2020–2025

    45.4 °F

  • Average 2020–2025

    58.6 °F

  • Average High 2020–2025

    72.2 °F
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