Japantown Weather Forecast

    • 47
    • 66

    Chance Rain

    • 46
    • 72

    Partly Sunny

    • 48
    • 71

    Mostly Cloudy

    • 47
    • 65

    Mostly Cloudy

    • 46
    • 67

    Partly Sunny

    • 47
    • 69

    Mostly Cloudy

Today 22 Apr Santa Clara Valley Including San Jose

Mostly cloudy in the morning then becoming partly cloudy. Patchy fog in the morning. A chance of rain in the Morning, then a chance of Showers and a slight chance of Thunderstorms in the afternoon. Some Thunderstorms may produce small hail in the afternoon. Highs in the mid 60s. Southeast Winds around 5 Mph. Becoming west in the afternoon.

Tonight 22 Apr Santa Clara Valley Including San Jose

Mostly clear in the evening then becoming partly cloudy. Patchy fog after midnight. 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

Japantown Temperature Statistics

April Temperature

San Jose, San Jose International Airport (1.9 miles)

  • Lowest 3 April, 2026

    46.7 °F

  • Average April

    61.5 °F

  • Highest 5 April, 2026

    85.6 °F

Climate (2021–Present)

San Jose, San Jose International Airport (1.9 miles)

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  • Average Low 2021–2026

    52.2 °F

  • Average 2021–2026

    61.9 °F

  • Average High 2021–2026

    72.7 °F
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