Sierra Vista Weather Forecast

    • 49
    • 69

    Chance Thunderstorms

    • 49
    • 67

    Rain Showers Likely

    • 51
    • 73

    Thunderstorms

    • 53
    • 75

    Mostly Sunny

    • 48
    • 75

    Slight Chance Thunderstorms

    • 47
    • 70

    Mostly Sunny

    • 48
    • 73

    Mostly Sunny

Today 18 Sep South Central Mountains

Partly cloudy. Isolated Showers this Morning, then scattered Showers and Thunderstorms this afternoon. Some Thunderstorms may produce heavy rainfall this afternoon. Highs in the lower 70s. Chance of rain 50 percent.

Tonight 18 Sep South Central Mountains

Isolated Thunderstorms this evening. Partly cloudy with isolated Showers. Lows in the lower 50s. Chance of rain 20 percent.

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  • Temperature Real-Time

Sierra Vista Temperature Statistics

September Temperature

Sierra Blanca Regional Airport (9.9 miles)

  • Lowest 7 September, 2025

    50 °F

  • Average September

    63.8 °F

  • Highest 8 September, 2025

    82.4 °F

Climate (2020–Present)

Sierra Blanca Regional Airport (9.9 miles)

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  • Average Low 2020–2025

    43 °F

  • Average 2020–2025

    53.9 °F

  • Average High 2020–2025

    65.2 °F
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