Boulder Weather Forecast

    • 51
    • 77

    Partly Sunny

    • 53
    • 75

    Mostly Sunny

    • 59
    • 83

    Partly Sunny

    • 62
    • 88

    Mostly Sunny

    • 63
    • 92

    Sunny

    • 61
    • 91

    Sunny

Today 13 Mar Santa Clara Valley Including San Jose

Partly cloudy. Highs in the upper 70s. Light Winds. Becoming northwest 5 to 10 Mph in the afternoon.

Tonight 13 Mar Santa Clara Valley Including San Jose

Mostly cloudy in the evening then becoming partly cloudy. Lows in the upper 40s. Northwest Winds 5 to 10 Mph in the evening. Becoming light.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Boulder Temperature Statistics

March Temperature

San Jose / Reid / Hillv (4.3 miles)

  • Lowest 11 March, 2026

    44.6 °F

  • Average March

    61.8 °F

  • Highest 8 March, 2026

    78.8 °F

Climate (2021–Present)

San Jose / Reid / Hillv (4.3 miles)

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  • Average Low 2021–2026

    51.8 °F

  • Average 2021–2026

    63.6 °F

  • Average High 2021–2026

    72.2 °F
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