Boulder Weather Forecast

    • 54
    • 74

    Increasing Clouds

    • 54
    • 76

    Partly Sunny

    • 53
    • 75

    Partly Sunny

    • 53
    • 75

    Partly Sunny

    • 53
    • 74

    Mostly Sunny

    • 54
    • 78

    Mostly Sunny

Today 22 Jul Santa Clara Valley Including San Jose

Mostly cloudy in the morning then becoming partly cloudy. Highs in the 70s. West Winds 5 to 15 Mph.

Tonight 22 Jul Santa Clara Valley Including San Jose

Mostly cloudy. Lows in the upper 50s. Northwest Winds 5 to 15 Mph.

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Boulder Temperature Statistics

July Temperature

San Jose / Reid / Hillv (4.3 miles)

  • Lowest 5 July, 2025

    53.6 °F

  • Average July

    72.1 °F

  • Highest 10 July, 2025

    93.2 °F

Climate (2020–Present)

San Jose / Reid / Hillv (4.3 miles)

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  • Average Low 2020–2025

    51.5 °F

  • Average 2020–2025

    63.6 °F

  • Average High 2020–2025

    72.3 °F
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