Arrowhead Lake Weather Forecast

    • 69
    • 79

    Chance Thunderstorms

    • 74
    • 89

    Chance Thunderstorms

    • 75
    • 95

    Partly Sunny

    • 76
    • 96

    Mostly Sunny

    • 78
    • 96

    Slight Chance Thunderstorms

    • 77
    • 98

    Hot

    • 77
    • 98

    Hot

Today 17 Jul Johnson

Mostly cloudy with a slight chance of Showers and Thunderstorms. Not as warm with Highs in the upper 70s. Northeast Winds 5 to 10 Mph. Chance of rain 20 percent.

Tonight 17 Jul Johnson

Mostly cloudy with a slight chance of Showers and Thunderstorms. Warmer with Lows in the upper 60s. East Winds around 5 Mph. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Arrowhead Lake Temperature Statistics

July Temperature

Olathe, Johnson County Executive Airport (9.3 miles)

  • Lowest 2 July, 2025

    66 °F

  • Average July

    80.4 °F

  • Highest 10 July, 2025

    93.7 °F

Climate (2020–Present)

Olathe, Johnson County Executive Airport (9.3 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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