Merwin Weather Forecast

    • 51
    • 60

    Slight Chance Thunderstorms

    • 52
    • 66

    Chance Rain Showers

    • 56
    • 68

    Rain Showers

    • 55
    • 73

    Chance Thunderstorms

    • 57
    • 77

    Chance Thunderstorms

    • 59
    • 81

    Chance Rain Showers

    • 62
    • 83

    Slight Chance Thunderstorms

Today 19 May Bates

Cloudy with a slight chance of very light drizzle. Much cooler with Highs around 60. North Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 19 May Bates

Cloudy. A slight chance of drizzle this Evening, then a slight chance of Showers after midnight. Lows in the lower 50s. North Winds 5 to 10 Mph with Gusts up to 25 Mph. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Merwin Temperature Statistics

May Temperature

Olathe, Johnson County Executive Airport (31.7 miles)

  • Lowest 1 May, 2026

    38.6 °F

  • Average May

    63.7 °F

  • Highest 16 May, 2026

    87.7 °F

Climate (2021–Present)

Olathe, Johnson County Executive Airport (31.7 miles)

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  • Average Low 2021–2026

    48 °F

  • Average 2021–2026

    57.9 °F

  • Average High 2021–2026

    68 °F
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