Yellowstone Park Weather Forecast

    • 61
    • 84

    Mostly Cloudy

    • 57
    • 78

    Chance Rain Showers

    • 55
    • 77

    Mostly Sunny

    • 54
    • 76

    Mostly Sunny

    • 53
    • 73

    Partly Sunny

    • 55
    • 74

    Partly Sunny

    • 56
    • 76

    Mostly Sunny

Today 27 Aug Santa Clara Valley Including San Jose

Mostly cloudy. A slight chance of Showers and isolated Thunderstorms. Highs in the 80s to lower 90s. Northwest Winds 5 to 10 Mph.

Tonight 27 Aug Santa Clara Valley Including San Jose

Mostly cloudy. A slight chance of Showers and isolated Thunderstorms. Lows in the lower 60s. Northwest Winds 5 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Yellowstone Park Temperature Statistics

August Temperature

San Jose, San Jose International Airport (5 miles)

  • Lowest 4 August, 2026

    58.6 °F

  • Average August

    71 °F

  • Highest 3 August, 2026

    91.7 °F

Climate (2021–2026)

San Jose, San Jose International Airport (5 miles)

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  • Average Low 2021–2026

    52.3 °F

  • Average 2021–2026

    62.1 °F

  • Average High 2021–2026

    72.8 °F
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