San Jacinto Reservoir Weather Forecast

    • 70
    • 103

    Hot

    • 68
    • 103

    Hot

    • 67
    • 102

    Hot

    • 67
    • 101

    Hot

    • 68
    • 104

    Hot

    • 70
    • 106

    Hot

Today 26 Jul San Bernardino and Riverside County Valleys-The Inland Empire

Partly cloudy. Highs 96 to 104. Areas of Winds west to 10 Mph. Becoming 10 to 15 Mph with Gusts to 25 Mph this afternoon.

Tonight 26 Jul San Bernardino and Riverside County Valleys-The Inland Empire

Partly cloudy in the evening. Becoming mostly clear. Lows 65 to 71. Areas of Winds west to 10 Mph in the evening becoming light.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

San Jacinto Reservoir Temperature Statistics

July Temperature

Riverside / March Air Force Base (16.2 miles)

  • Lowest 3 July, 2026

    55.2 °F

  • Average July

    80.1 °F

  • Highest 15 July, 2026

    102.7 °F

Climate (2021–2026)

Riverside / March Air Force Base (16.2 miles)

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  • Average Low 2021–2026

    52.7 °F

  • Average 2021–2026

    65.6 °F

  • Average High 2021–2026

    78.7 °F
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