Winchester Weather Forecast

    • 58
    • 100

    Hot

    • 55
    • 93

    Partly Sunny

    • 57
    • 90

    Partly Sunny

    • 57
    • 92

    Sunny

    • 58
    • 94

    Mostly Sunny

    • 57
    • 93

    Mostly Sunny

Today 20 Mar San Bernardino and Riverside County Valleys-The Inland Empire

Mostly sunny. Hot. Highs 96 to 100. Light Winds becoming west 10 to 15 Mph with Gusts to 25 Mph this afternoon.

Tonight 20 Mar San Bernardino and Riverside County Valleys-The Inland Empire

Mostly clear. Lows 55 to 59 in wind Sheltered Areas to 59 to 68 in warmer Locations. Areas of Winds west 10 to 15 Mph with Gusts to 25 Mph in the evening becoming light.

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  • Temperature Real-Time

Winchester Temperature Statistics

March Temperature

Murrieta/Temecula French Valley (9.3 miles)

  • Lowest 6 March, 2026

    39.2 °F

  • Average March

    62.3 °F

  • Highest 16 March, 2026

    93.2 °F

Climate (2021–Present)

Murrieta/Temecula French Valley (9.3 miles)

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  • Average Low 2021–2026

    50.9 °F

  • Average 2021–2026

    63 °F

  • Average High 2021–2026

    78.1 °F
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