Lake Sumner Weather Forecast

    • 42
    • 70

    Increasing Clouds

    • 36
    • 63

    Mostly Cloudy

    • 47
    • 73

    Partly Sunny

    • 38
    • 73

    Mostly Sunny

    • 39
    • 65

    Sunny

    • 39
    • 73

    Mostly Sunny

Today 17 Dec De Baca County

Breezy. Mostly sunny. Highs in the upper 60s. Southwest Winds 20 to 25 Mph with Gusts up to 35 Mph in the afternoon.

Tonight 17 Dec De Baca County

Windy and not as cool. Mostly clear in the Evening, then becoming partly cloudy. Lows in the lower 40s. West Winds 25 to 35 Mph with Gusts up to 50 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Sumner Temperature Statistics

December Temperature

Melrose Gunnery Range (39.1 miles)

  • Lowest 1 December, 2025

    16.5 °F

  • Average December

    42.7 °F

  • Highest 11 December, 2025

    77 °F

Climate (2020–Present)

Melrose Gunnery Range (39.1 miles)

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  • Average Low 2020–2025

    45.6 °F

  • Average 2020–2025

    58.7 °F

  • Average High 2020–2025

    72.4 °F
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