Rainbow Spring Weather Forecast

    • 36
    • 60

    Mostly Cloudy

    • 38
    • 51

    Chance Rain Showers

    • 36
    • 54

    Partly Sunny

    • 32
    • 51

    Chance Rain Showers

    • 30
    • 50

    Slight Chance Rain Showers

    • 27
    • 48

    Partly Sunny

    • 27
    • 48

    Partly Sunny

Today 25 Oct Lower Columbia Basin of Washington

Mostly sunny. Highs in the upper 40s to lower 50s.

Tonight 25 Oct Lower Columbia Basin of Washington

Mostly cloudy. A 20 percent chance of rain Showers overnight. Patchy fog overnight. Lows in the mid to upper 30s. North wind 5 to 10 Mph in the Evening, becoming light. Rainfall Amounts less than a tenth of an inch.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Rainbow Spring Temperature Statistics

October Temperature

Tri-Cities Airport (39.8 miles)

  • Lowest 13 October, 2026

    29.6 °F

  • Average October

    54.9 °F

  • Highest 5 October, 2026

    84.7 °F

Climate (2021–2026)

Tri-Cities Airport (39.8 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    42.7 °F

  • Average 2021–2026

    55.4 °F

  • Average High 2021–2026

    68 °F
Get WillyWeather+ to remove ads