Summerside Weather Forecast

    • 50
    • 74

    Sunny

    • 51
    • 78

    Mostly Sunny

    • 54
    • 83

    Mostly Sunny

    • 54
    • 81

    Mostly Sunny

    • 55
    • 83

    Mostly Sunny

    • 55
    • 83

    Mostly Sunny

Today 21 Jun Santa Clara Valley Including San Jose

Sunny. Highs in the 70s. Northwest Winds 15 to 20 Mph.

Tonight 21 Jun Santa Clara Valley Including San Jose

Mostly clear. Lows in the lower 50s. Northwest Winds 10 to 20 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Summerside Temperature Statistics

June Temperature

San Jose / Reid / Hillv (1.9 miles)

  • Lowest 12 June, 2025

    51.8 °F

  • Average June

    68.8 °F

  • Highest 18 June, 2025

    87.8 °F

Climate (2020–Present)

San Jose / Reid / Hillv (1.9 miles)

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  • Average Low 2020–2025

    51.5 °F

  • Average 2020–2025

    63.6 °F

  • Average High 2020–2025

    72.4 °F
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