Merwin Weather Forecast

    • 73
    • 96

    Mostly Sunny

    • 74
    • 96

    Mostly Sunny

    • 73
    • 94

    Chance Thunderstorms

    • 73
    • 94

    Slight Chance Thunderstorms

    • 74
    • 96

    Mostly Sunny

    • 74
    • 98

    Hot

Today 22 Jul Bates

Sunny, hot with Highs in the mid 90s. South Winds 10 to 15 Mph. Heat index Values up to 107.

Tonight 22 Jul Bates

Mostly clear. Lows in the lower 70s. South Winds 5 to 10 Mph. Heat index Values up to 105 early in the evening.

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Merwin Temperature Statistics

July Temperature

Olathe, Johnson County Executive Airport (31.7 miles)

  • Lowest 2 July, 2025

    65.6 °F

  • Average July

    80.3 °F

  • Highest 16 July, 2025

    94.6 °F

Climate (2020–Present)

Olathe, Johnson County Executive Airport (31.7 miles)

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  • Average Low 2020–2025

    47.3 °F

  • Average 2020–2025

    57 °F

  • Average High 2020–2025

    67 °F
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