Rainbow Spring Weather Forecast

    • 28
    • 41

    Partly Sunny

    • 26
    • 40

    Partly Sunny

    • 25
    • 38

    Partly Sunny

    • 24
    • 37

    Partly Sunny

    • 25
    • 37

    Partly Sunny

    • 26
    • 37

    Mostly Cloudy

Today 15 Jan Lower Columbia Basin of Washington

Mostly sunny. Patchy fog. Highs in the lower to mid 40s. Light wind.

Tonight 15 Jan Lower Columbia Basin of Washington

Partly cloudy. Lows in the upper 20s to lower 30s. Light wind.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Rainbow Spring Temperature Statistics

January Temperature

Tri-Cities Airport (39.8 miles)

  • Lowest 1 January, 2026

    26.1 °F

  • Average January

    39.5 °F

  • Highest 12 January, 2026

    63 °F

Climate (2021–Present)

Tri-Cities Airport (39.8 miles)

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  • Average Low 2021–2026

    43 °F

  • Average 2021–2026

    55.6 °F

  • Average High 2021–2026

    68 °F
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