Fountain Hills Weather Forecast

    • 76
    • 94

    Chance Thunderstorms

    • 77
    • 93

    Slight Chance Thunderstorms

    • 78
    • 97

    Hot

    • 78
    • 100

    Hot

    • 77
    • 101

    Hot

    • 75
    • 101

    Hot

Today 5 Sep Fountain Hills/East Mesa

Partly cloudy. A slight chance of afternoon Showers and Thunderstorms. Highs 90 to 95. Southwest wind around 5 Mph. Chance of rain 20 percent.

Tonight 5 Sep Fountain Hills/East Mesa

Partly cloudy with a slight chance of Showers and Thunderstorms. Lows 68 to 78. Southeast wind around 5 Mph. Chance of rain 20 percent.

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Fountain Hills Temperature Statistics

September Temperature

Mesa / Falcon Field (9.3 miles)

  • Lowest 3 September, 2025

    77 °F

  • Average September

    92 °F

  • Highest 2 September, 2025

    106 °F

Climate (2020–Present)

Mesa / Falcon Field (9.3 miles)

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  • Average Low 2020–2025

    64.6 °F

  • Average 2020–2025

    75.2 °F

  • Average High 2020–2025

    85.7 °F
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