Erickson Reservoir Weather Forecast

    • 46
    • 59

    Chance Rain Showers

    • 48
    • 70

    Partly Sunny

    • 51
    • 74

    Mostly Sunny

    • 53
    • 77

    Partly Sunny

    • 55
    • 81

    Mostly Sunny

    • 54
    • 81

    Partly Sunny

Today 20 Sep Richland

Showers Likely, mainly in the morning. Patchy fog in the Morning, then Areas of smoke in the afternoon. Highs in the mid 60s. East wind around 10 Mph. Chance of rain 60 percent.

Tonight 20 Sep Richland

Mostly cloudy. Lows in the upper 40s. Southeast wind 5 to 10 Mph.

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Erickson Reservoir Temperature Statistics

September Temperature

Sidney-Richland (14.3 miles)

  • Lowest 13 September, 2026

    39.9 °F

  • Average September

    65.6 °F

  • Highest 4 September, 2026

    95 °F

Climate (2021–2026)

Sidney-Richland (14.3 miles)

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  • Average Low 2021–2026

    32.1 °F

  • Average 2021–2026

    43.9 °F

  • Average High 2021–2026

    55.9 °F
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