San Tan Valley Weather Forecast

    • 61
    • 93

    Mostly Sunny

    • 59
    • 88

    Sunny

    • 62
    • 91

    Partly Sunny

    • 63
    • 94

    Mostly Sunny

    • 64
    • 96

    Mostly Sunny

    • 65
    • 98

    Hot

Today 17 May Northwest Pinal County

Sunny and breezy. Not as warm. Highs 90 to 95. South wind 10 to 20 Mph. Gusts up to 30 Mph in the afternoon.

Tonight 17 May Northwest Pinal County

Clear. Lows 56 to 66. South wind 10 to 15 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

San Tan Valley Temperature Statistics

May Temperature

Phoenix-Mesa Gateway Airport (10.6 miles)

  • Lowest 6 May, 2026

    53.6 °F

  • Average May

    79.6 °F

  • Highest 11 May, 2026

    105.8 °F

Climate (2021–Present)

Phoenix-Mesa Gateway Airport (10.6 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    60.7 °F

  • Average 2021–2026

    70.8 °F

  • Average High 2021–2026

    85.9 °F
Get WillyWeather+ to remove ads