Merwin Weather Forecast

    • 70
    • 93

    Thunderstorms Likely

    • 69
    • 86

    Slight Chance Thunderstorms

    • 69
    • 88

    Mostly Sunny

    • 70
    • 89

    Mostly Sunny

    • 74
    • 92

    Chance Thunderstorms

    • 73
    • 94

    Chance Thunderstorms

Today 4 Jul Bates

Mostly sunny with a chance of Showers and Thunderstorms. Highs in the lower 90s. Southwest Winds 5 to 10 Mph. Chance of rain 50 percent. Heat index Values up to 104 this afternoon.

Tonight 4 Jul Bates

Mostly cloudy with a chance of Thunderstorms. A chance of Showers. Lows around 70. Southwest Winds around 5 Mph, becoming west after midnight. Chance of rain 50 percent. Heat index Values up to 103 early in the evening.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Merwin Temperature Statistics

July Temperature

Olathe, Johnson County Executive Airport (31.7 miles)

  • Lowest 2 July, 2026

    73 °F

  • Average July

    82 °F

  • Highest 1 July, 2026

    91 °F

Climate (2021–2026)

Olathe, Johnson County Executive Airport (31.7 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    48 °F

  • Average 2021–2026

    57.9 °F

  • Average High 2021–2026

    68 °F
Get WillyWeather+ to remove ads