Richland Weather Forecast

    • 49
    • 61

    Cloudy

    • 47
    • 67

    Gradual Clearing

    • 47
    • 67

    Mostly Sunny

    • 50
    • 71

    Partly Sunny

    • 51
    • 68

    Slight Chance Rain Showers

    • 51
    • 69

    Slight Chance Rain Showers

    • 51
    • 71

    Partly Sunny

Today 22 Sep Lebanon

Mostly sunny. Highs in the mid 70s.

Tonight 22 Sep Lebanon

Cloudy. A chance of Showers this evening. Lows around 50. Northeast Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

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Richland Temperature Statistics

September Temperature

Reading, Reading Regional Airport (15.5 miles)

  • Lowest 15 September, 2026

    48 °F

  • Average September

    71.3 °F

  • Highest 1 September, 2026

    90 °F

Climate (2021–2026)

Reading, Reading Regional Airport (15.5 miles)

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  • Average Low 2021–2026

    46.7 °F

  • Average 2021–2026

    55.8 °F

  • Average High 2021–2026

    64.9 °F
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