Thunder Mountain Weather Forecast

    • 78
    • 98

    Hot

    • 78
    • 100

    Hot

    • 77
    • 100

    Hot

    • 73
    • 99

    Slight Chance Thunderstorms

    • 72
    • 97

    Hot

    • 71
    • 96

    Sunny

Today 7 Sep Fountain Hills/East Mesa

Sunny. Highs 95 to 100. Southwest wind 5 to 10 Mph.

Tonight 7 Sep Fountain Hills/East Mesa

Clear. Lows 69 to 79. Northwest wind around 5 Mph in the evening becoming northeast after midnight.

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Thunder Mountain Temperature Statistics

September Temperature

Mesa / Falcon Field (5 miles)

  • Lowest 4 September, 2025

    75 °F

  • Average September

    89.3 °F

  • Highest 2 September, 2025

    106 °F

Climate (2020–Present)

Mesa / Falcon Field (5 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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