Winchester Weather Forecast

    • 62
    • 83

    Rain Showers

    • 61
    • 83

    Rain Showers

    • 57
    • 87

    Rain Showers Likely

    • 41
    • 71

    Chance Rain Showers

    • 40
    • 63

    Sunny

    • 48
    • 72

    Mostly Sunny

Today 15 Apr St. Louis

Mostly cloudy. Scattered Showers with isolated Thunderstorms in the Morning, then numerous Showers and Thunderstorms in the afternoon. Highs in the lower 80s. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 70 percent.

Tonight 15 Apr St. Louis

Scattered Thunderstorms. Showers. Lows in the lower 60s. Southwest Winds 10 to 15 Mph. Chance of rain 90 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Winchester Temperature Statistics

April Temperature

St. Louis, Spirit Of St. Louis Airport (8.1 miles)

  • Lowest 6 April, 2026

    35.7 °F

  • Average April

    61.2 °F

  • Highest 3 April, 2026

    85.6 °F

Climate (2021–Present)

St. Louis, Spirit Of St. Louis Airport (8.1 miles)

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  • Average Low 2021–2026

    45.9 °F

  • Average 2021–2026

    57.3 °F

  • Average High 2021–2026

    68.7 °F
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