Riley Lake Weather Forecast

    • 64
    • 82

    Rain Showers Likely

    • 62
    • 80

    Increasing Clouds

    • 58
    • 81

    Mostly Cloudy

    • 59
    • 81

    Chance Rain Showers

    • 59
    • 78

    Rain Showers Likely

    • 61
    • 78

    Chance Rain Showers

    • 54
    • 79

    Slight Chance Rain Showers

Today 3 Sep Price

Partly sunny with a slight chance of Showers and Thunderstorms. Hot. Near steady temperature around 80. South Winds 5 to 10 Mph. Chance of rain 20 percent.

Tonight 3 Sep Price

Thunderstorms likely. Showers. Patchy fog. Lows in the mid 60s. Southeast Winds around 5 Mph. Chance of rain 80 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Riley Lake Temperature Statistics

September Temperature

Phillips / Price County (15.5 miles)

  • Lowest 1 September, 2026

    53.1 °F

  • Average September

    69.3 °F

  • Highest 1 September, 2026

    86.4 °F

Climate (2021–2026)

Phillips / Price County (15.5 miles)

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  • Average Low 2021–2026

    32 °F

  • Average 2021–2026

    42.6 °F

  • Average High 2021–2026

    52.3 °F
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