Winchester Weather Forecast

    • 46
    • 72

    Sunny

    • 43
    • 70

    Sunny

    • 42
    • 69

    Sunny

    • 43
    • 68

    Mostly Sunny

    • 43
    • 68

    Mostly Sunny

    • 42
    • 67

    Mostly Sunny

Today 14 Jan Las Vegas Valley

Sunny. Highs 69 to 72 on the west side. 71 to 74 on the east side. North Winds 5 to 15 Mph.

Tonight 14 Jan Las Vegas Valley

Clear. Lows 45 to 48 on the west side. 44 to 47 on the east side. North Winds up to 10 Mph.

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Winchester Temperature Statistics

January Temperature

Harry Reid International Airport (4.3 miles)

  • Lowest 10 January, 2026

    34 °F

  • Average January

    49.6 °F

  • Highest 4 January, 2026

    63 °F

Climate (2021–Present)

Harry Reid International Airport (4.3 miles)

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  • Average Low 2021–2026

    61.4 °F

  • Average 2021–2026

    71.6 °F

  • Average High 2021–2026

    81.5 °F
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