Mesa Weather Forecast

    • 78
    • 98

    Chance Thunderstorms

    • 78
    • 97

    Chance Thunderstorms

    • 79
    • 100

    Hot

    • 78
    • 101

    Hot

    • 79
    • 103

    Hot

    • 81
    • 106

    Hot

Today 18 Sep East Valley

Considerable cloudiness in the morning then becoming partly cloudy. A slight chance of Showers and Thunderstorms. Highs 94 to 99. Southwest wind around 5 Mph in the morning becoming northwest in the afternoon. Chance of rain 20 percent.

Tonight 18 Sep East Valley

Partly cloudy. A chance of Showers and Thunderstorms in the Evening, then a chance of Showers and a slight chance of Thunderstorms after midnight. Lows 74 to 80. West wind around 5 Mph in the evening becoming northeast 5 to 10 Mph after midnight. Chance of rain 30 percent.

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Mesa Temperature Statistics

September Temperature

Mesa / Falcon Field (5.6 miles)

  • Lowest 14 September, 2025

    73.9 °F

  • Average September

    89.9 °F

  • Highest 2 September, 2025

    106 °F

Climate (2020–Present)

Mesa / Falcon Field (5.6 miles)

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  • Average Low 2020–2025

    64.7 °F

  • Average 2020–2025

    75.2 °F

  • Average High 2020–2025

    85.7 °F
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