Yellowstone Park Weather Forecast

    • 46
    • 64

    Decreasing Clouds

    • 50
    • 62

    Mostly Cloudy

    • 54
    • 61

    Rain Likely

    • 56
    • 61

    Rain

    • 54
    • 60

    Rain

    • 51
    • 58

    Rain Likely

Today 17 Dec Santa Clara Valley Including San Jose

Cloudy in the morning then becoming partly cloudy. Patchy fog in the morning. A chance of rain in the Morning, then a slight chance of rain in the afternoon. Highs in the mid 60s. Light Winds. Becoming northwest 5 to 10 Mph in the afternoon.

Tonight 17 Dec Santa Clara Valley Including San Jose

Partly cloudy in the evening then becoming mostly cloudy. Patchy fog after midnight. Lows in the mid 40s. Northwest Winds around 5 Mph in the evening. Becoming light.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Yellowstone Park Temperature Statistics

December Temperature

San Jose, San Jose International Airport (5 miles)

  • Lowest 13 December, 2025

    37 °F

  • Average December

    48.3 °F

  • Highest 3 December, 2025

    64.9 °F

Climate (2020–Present)

San Jose, San Jose International Airport (5 miles)

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  • Average Low 2020–2025

    51.9 °F

  • Average 2020–2025

    61.5 °F

  • Average High 2020–2025

    72.4 °F
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