Sunnyside Weather Forecast

    • 72
    • 98

    Slight Chance Thunderstorms

    • 72
    • 93

    Chance Thunderstorms

    • 70
    • 91

    Slight Chance Thunderstorms

    • 71
    • 93

    Chance Thunderstorms

    • 73
    • 94

    Slight Chance Thunderstorms

    • 73
    • 98

    Slight Chance Thunderstorms

Today 21 Sep Tucson Metro Area including Tucson/Green Valley/Marana/Vail

Mostly sunny. Highs 91 to 97. Southeast wind around 10 Mph becoming southwest in the afternoon.

Tonight 21 Sep Tucson Metro Area including Tucson/Green Valley/Marana/Vail

Partly cloudy with a 10 percent chance of Showers and Thunderstorms. Lows 68 to 73. South wind around 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sunnyside Temperature Statistics

September Temperature

Tucson, Tucson International Airport (1.2 miles)

  • Lowest 16 September, 2026

    69.7 °F

  • Average September

    85.7 °F

  • Highest 10 September, 2026

    101.6 °F

Climate (2021–2026)

Tucson, Tucson International Airport (1.2 miles)

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  • Average Low 2021–2026

    59.3 °F

  • Average 2021–2026

    72.5 °F

  • Average High 2021–2026

    86.4 °F
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