McGlynn Reservoir Weather Forecast

    • 68
    • 103

    Chance Rain Showers

    • 53
    • 83

    Partly Sunny

    • 49
    • 77

    Sunny

    • 46
    • 73

    Mostly Sunny

    • 47
    • 71

    Mostly Sunny

    • 50
    • 76

    Mostly Sunny

Today 20 Aug Richland

Sunny, hot with Highs around 103. South wind around 15 Mph, becoming southwest this afternoon.

Tonight 20 Aug Richland

Partly cloudy in the Evening, then mostly cloudy with a chance of Showers with a slight chance of Thunderstorms after midnight. Some Thunderstorms may produce gusty Winds after midnight. Lows in the upper 60s. Northwest wind 10 to 15 Mph. Chance of rain 30 percent.

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McGlynn Reservoir Temperature Statistics

August Temperature

Sidney-Richland (6.2 miles)

  • Lowest 12 August, 2025

    54 °F

  • Average August

    71.5 °F

  • Highest 13 August, 2025

    91.9 °F

Climate (2020–Present)

Sidney-Richland (6.2 miles)

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  • Average Low 2020–2025

    31.9 °F

  • Average 2020–2025

    44 °F

  • Average High 2020–2025

    56.3 °F
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