Rainbow Spring Weather Forecast

    • 64
    • 95

    Mostly Sunny

    • 65
    • 99

    Hot

    • 64
    • 95

    Sunny

    • 61
    • 89

    Mostly Sunny

    • 61
    • 90

    Sunny

    • 62
    • 93

    Sunny

Today 12 Jul Lower Columbia Basin of Washington

Hot, sunny. Highs 96 to 100. Southwest wind 5 to 10 Mph.

Tonight 12 Jul Lower Columbia Basin of Washington

Mostly clear. Lows in the mid to upper 60s. West wind 5 to 10 Mph with Gusts to around 20 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Rainbow Spring Temperature Statistics

July Temperature

Tri-Cities Airport (39.8 miles)

  • Lowest 6 July, 2025

    52.6 °F
  • Average July

    77 °F
  • Highest 8 July, 2025

    103.6 °F

Climate (2020–Present)

Tri-Cities Airport (39.8 miles)

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  • Average Low 2020–2025

    42.8 °F
  • Average 2020–2025

    55.5 °F
  • Average High 2020–2025

    67.9 °F
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