Sumner Lake State Park Weather Forecast

    • 66
    • 91

    Thunderstorms

    • 68
    • 91

    Partly Sunny

    • 69
    • 94

    Mostly Sunny

    • 69
    • 96

    Partly Sunny

    • 69
    • 96

    Partly Sunny

    • 67
    • 94

    Slight Chance Thunderstorms

Today 17 Jul De Baca County

Mostly sunny this Morning, then partly cloudy with isolated Showers and Thunderstorms this afternoon. Highs in the lower 90s. Southeast Winds around 15 Mph this afternoon. Chance of rain 20 percent.

Tonight 17 Jul De Baca County

Partly cloudy. Scattered Showers and Thunderstorms, mainly in the evening. Humid with Lows in the mid 60s. South Winds around 15 Mph in the evening. Chance of rain 40 percent.

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Sumner Lake State Park Temperature Statistics

July Temperature

Melrose Gunnery Range (39.1 miles)

  • Lowest 12 July, 2025

    59.4 °F

  • Average July

    75.7 °F

  • Highest 10 July, 2025

    94.3 °F

Climate (2020–Present)

Melrose Gunnery Range (39.1 miles)

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  • Average Low 2020–2025

    45.3 °F

  • Average 2020–2025

    58.6 °F

  • Average High 2020–2025

    72.2 °F
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