Irby Weather Forecast

    • 36
    • 44

    Chance Rain/Snow

    • 44
    • 58

    Mostly Cloudy

    • 48
    • 66

    Mostly Cloudy

    • 49
    • 66

    Mostly Cloudy

    • 49
    • 69

    Mostly Cloudy

    • 41
    • 66

    Mostly Cloudy

    • 33
    • 59

    Mostly Sunny

Today 15 Mar Upper Columbia Basin

Partly sunny. Highs in the 40s. South wind 5 to 10 Mph.

Tonight 15 Mar Upper Columbia Basin

A chance of snow in the evening. Mostly cloudy with a chance of rain. Lows in the 30s. Southeast wind 5 to 10 Mph. Chance of precipitation 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Irby Temperature Statistics

March Temperature

Grant County Airport (24.2 miles)

  • Lowest 2 March, 2026

    24.7 °F

  • Average March

    45.3 °F

  • Highest 7 March, 2026

    71.1 °F

Climate (2021–Present)

Grant County Airport (24.2 miles)

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  • Average Low 2021–2026

    41 °F

  • Average 2021–2026

    52.8 °F

  • Average High 2021–2026

    64.3 °F
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