Richland Weather Forecast

    • 49
    • 64

    Rain Showers Likely

    • 48
    • 59

    Chance Rain Showers

    • 45
    • 64

    Slight Chance Rain Showers

    • 46
    • 67

    Partly Sunny

    • 47
    • 71

    Mostly Sunny

    • 50
    • 75

    Partly Sunny

Today 19 Sep Lower Columbia Basin of Washington

Mostly cloudy. Scattered Showers in the Morning, then scattered Showers and isolated Thunderstorms in the afternoon. Breezy. Highs 60 to 65. Southwest wind 10 to 15 Mph shifting to the west 15 to 25 Mph in the afternoon. Chance of precipitation 50 percent.

Tonight 19 Sep Lower Columbia Basin of Washington

Mostly cloudy. Breezy. Isolated Thunderstorms early in the evening. Scattered Showers in the Evening, then Showers likely overnight. Lows 44 to 49. Southwest wind 15 to 25 Mph decreasing to 10 to 15 Mph overnight. Chance of precipitation 70 percent.

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  • Temperature Forecast NOAA

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Richland Temperature Statistics

September Temperature

Pasco, Tri-Cities Airport (8.1 miles)

  • Lowest 16 September, 2017

    39 °F
  • Average September

    70.2 °F
  • Highest 2 September, 2017

    97 °F

Climate (2010–Present)

Pasco, Tri-Cities Airport (8.1 miles)

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  • Average Low 2010–Present

    43.2 °F
  • Average 2010–Present

    56.3 °F
  • Average High 2010–Present

    67.6 °F
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