Scottsdale Mountain Weather Forecast

    • 78
    • 97

    Slight Chance Thunderstorms

    • 78
    • 97

    Hot

    • 80
    • 100

    Hot

    • 81
    • 101

    Hot

    • 82
    • 102

    Slight Chance Thunderstorms

    • 80
    • 102

    Chance Thunderstorms

Today 4 Sep Fountain Hills/East Mesa

Partly sunny in the morning then becoming mostly sunny. A slight chance of Showers and Thunderstorms. Highs 94 to 99. Southeast wind 5 to 15 Mph in the morning becoming south 5 to 10 Mph in the afternoon. Chance of rain 10 percent.

Tonight 4 Sep Fountain Hills/East Mesa

Mostly clear in the evening then becoming partly cloudy. Lows 69 to 79. South wind 5 to 10 Mph in the evening becoming east around 5 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Scottsdale Mountain Temperature Statistics

September Temperature

Scottsdale Airport (7.5 miles)

  • Lowest 1 September, 2026

    76.6 °F

  • Average September

    89.8 °F

  • Highest 2 September, 2026

    100 °F

Climate (2021–2026)

Scottsdale Airport (7.5 miles)

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  • Average Low 2021–2026

    63.6 °F

  • Average 2021–2026

    75.4 °F

  • Average High 2021–2026

    87 °F
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