Lake Mathews Weather Forecast

    • 52
    • 74

    Increasing Clouds

    • 49
    • 73

    Breezy

    • 52
    • 76

    Breezy

    • 54
    • 81

    Partly Sunny

    • 51
    • 81

    Mostly Sunny

    • 50
    • 76

    Mostly Sunny

    • 52
    • 73

    Mostly Sunny

Today 15 Apr San Bernardino and Riverside County Valleys-The Inland Empire

Sunny. Highs 74 to 79. Areas of Winds west to 10 Mph becoming southwest with Gusts to 25 Mph this afternoon.

Tonight 15 Apr San Bernardino and Riverside County Valleys-The Inland Empire

Mostly clear this evening. Becoming partly cloudy. Lows 44 to 48 in wind Sheltered Areas to 46 to 53 in warmer Locations. Areas of Winds west 10 to 15 Mph this evening becoming light.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Mathews Temperature Statistics

April Temperature

Riverside Municipal Airport (7.5 miles)

  • Lowest 13 April, 2026

    48.9 °F

  • Average April

    67.1 °F

  • Highest 5 April, 2026

    90.6 °F

Climate (2021–Present)

Riverside Municipal Airport (7.5 miles)

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  • Average Low 2021–2026

    54.9 °F

  • Average 2021–2026

    67 °F

  • Average High 2021–2026

    80.3 °F
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