Merwin Weather Forecast

    • 35
    • 62

    Increasing Clouds

    • 29
    • 52

    Mostly Sunny

    • 39
    • 57

    Mostly Sunny

    • 41
    • 65

    Mostly Sunny

    • 50
    • 71

    Mostly Sunny

    • 43
    • 72

    Mostly Sunny

Today 31 Oct Bates

Sunny. Highs in the lower 60s. West Winds 5 to 10 Mph.

Tonight 31 Oct Bates

Mostly sunny Early, then becoming mostly cloudy. A chance of Sprinkles this evening. Lows in the mid 30s. Northwest Winds 5 to 10 Mph, becoming around 5 Mph after midnight.

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Merwin Temperature Statistics

October Temperature

Olathe, Johnson County Executive Airport (31.7 miles)

  • Lowest 22 October, 2025

    39 °F
  • Average October

    63.6 °F
  • Highest 12 October, 2025

    87.1 °F

Climate (2020–Present)

Olathe, Johnson County Executive Airport (31.7 miles)

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  • Average Low 2020–2025

    47.7 °F
  • Average 2020–2025

    57.4 °F
  • Average High 2020–2025

    67.3 °F
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