Sierra Vista Weather Forecast

    • 52
    • 74

    Thunderstorms

    • 51
    • 73

    Rain Showers

    • 50
    • 75

    Thunderstorms

    • 51
    • 74

    Partly Sunny

    • 52
    • 77

    Mostly Cloudy

    • 50
    • 72

    Rain Showers

    • 51
    • 68

    Rain Showers

Today 17 Sep South Central Mountains

Mostly cloudy with numerous Showers and scattered Thunderstorms. Some Thunderstorms may produce heavy rainfall. Highs in the upper 70s. Temperature falling into the lower 70s this afternoon. South Winds around 15 Mph. Chance of rain 70 percent.

Tonight 17 Sep South Central Mountains

Partly cloudy. Scattered Showers with isolated Thunderstorms in the Evening, then isolated Showers after midnight. Some Thunderstorms may produce heavy rainfall in the evening. Lows in the upper 50s. South Winds around 15 Mph. Chance of rain 50 percent.

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Sierra Vista Temperature Statistics

September Temperature

Sierra Blanca Regional Airport (9.9 miles)

  • Lowest 1 September, 2026

    59 °F

  • Average September

    71.5 °F

  • Highest 11 September, 2026

    87.1 °F

Climate (2021–2026)

Sierra Blanca Regional Airport (9.9 miles)

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  • Average Low 2021–2026

    43.8 °F

  • Average 2021–2026

    54.6 °F

  • Average High 2021–2026

    66 °F
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