Lamona Weather Forecast

    • 55
    • 74

    Chance Rain Showers

    • 57
    • 82

    Chance Rain Showers

    • 60
    • 90

    Mostly Sunny

    • 57
    • 93

    Sunny

    • 55
    • 91

    Mostly Sunny

    • 57
    • 88

    Mostly Sunny

    • 57
    • 90

    Mostly Sunny

Today 21 Jul Upper Columbia Basin

Mostly cloudy with a chance of Showers and Thunderstorms. Some Thunderstorms may produce heavy rainfall. Highs in the 70s. Southeast wind 5 to 10 Mph. Chance of precipitation 50 percent. Rainfall Amounts less than a tenth of an Inch, except higher Amounts possible in Thunderstorms.

Tonight 21 Jul Upper Columbia Basin

Mostly cloudy. A chance of rain Showers. Lows in the mid to upper 50s. North wind 5 to 10 Mph. Chance of precipitation 50 percent. Rainfall Amounts less than a tenth of an inch.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lamona Temperature Statistics

July Temperature

Grant County Airport (40.4 miles)

  • Lowest 7 July, 2025

    54.6 °F

  • Average July

    77 °F

  • Highest 13 July, 2025

    102.7 °F

Climate (2020–Present)

Grant County Airport (40.4 miles)

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  • Average Low 2020–2025

    40.9 °F

  • Average 2020–2025

    52.8 °F

  • Average High 2020–2025

    64.2 °F
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