Sierra Vista Weather Forecast

    • 41
    • 67

    Mostly Sunny

    • 40
    • 68

    Mostly Sunny

    • 43
    • 68

    Mostly Cloudy

    • 44
    • 64

    Mostly Cloudy

    • 41
    • 61

    Partly Sunny

    • 38
    • 60

    Mostly Cloudy

    • 32
    • 56

    Mostly Cloudy

Today 21 Dec South Central Mountains

Sunny. Highs in the mid 60s. West Winds around 15 Mph this afternoon.

Tonight 21 Dec South Central Mountains

Clear. Lows in the mid 40s. Southwest Winds 15 to 20 Mph.

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Sierra Vista Temperature Statistics

December Temperature

Sierra Blanca Regional Airport (9.9 miles)

  • Lowest 4 December, 2025

    26.6 °F

  • Average December

    44.8 °F

  • Highest 19 December, 2025

    68 °F

Climate (2020–Present)

Sierra Blanca Regional Airport (9.9 miles)

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  • Average Low 2020–2025

    43.2 °F

  • Average 2020–2025

    54 °F

  • Average High 2020–2025

    65.2 °F
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