Sierra Vista Weather Forecast

    • 52
    • 75

    Rain Showers

    • 46
    • 62

    Rain Showers

    • 43
    • 60

    Rain Showers

    • 42
    • 62

    Partly Sunny

    • 41
    • 62

    Partly Sunny

    • 44
    • 67

    Mostly Sunny

Today 28 Sep South Central Mountains

Partly cloudy. Highs in the mid 70s. Temperature falling to around 70 in the afternoon. South Winds 15 to 20 Mph in the afternoon.

Tonight 28 Sep South Central Mountains

Breezy. Mostly cloudy with a slight chance of Thunderstorms. Showers. Some Thunderstorms may produce heavy rainfall. Lows in the mid 50s. South Winds around 15 Mph, increasing to 20 to 25 Mph with Gusts up to 35 Mph after midnight. Chance of rain 90 percent.

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Sierra Vista Temperature Statistics

September Temperature

Sierra Blanca Regional Airport (9.9 miles)

  • Lowest 25 September, 2026

    52.7 °F

  • Average September

    68 °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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