Casa Grande Weather Forecast

    • 36
    • 62

    Becoming Sunny

    • 38
    • 65

    Sunny

    • 39
    • 68

    Sunny

    • 40
    • 70

    Sunny

    • 42
    • 72

    Sunny

    • 43
    • 73

    Sunny

    • 44
    • 73

    Mostly Sunny

Today 5 Dec Northwest Pinal County

Sunny. Highs 60 to 65. Northwest wind around 5 Mph.

Tonight 5 Dec Northwest Pinal County

Clear. Lows 32 to 42. Light wind.

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Casa Grande Temperature Statistics

December Temperature

Casa Grande, Casa Grande Municipal Airport (4.3 miles)

  • Lowest 2 December, 2025

    41 °F

  • Average December

    53.1 °F

  • Highest 1 December, 2025

    68 °F

Climate (2020–Present)

Casa Grande, Casa Grande Municipal Airport (4.3 miles)

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  • Average Low 2020–2025

    59.2 °F

  • Average 2020–2025

    72.7 °F

  • Average High 2020–2025

    85.5 °F
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