Spray Riverfront Park Weather Forecast

    • 37
    • 58

    Chance Rain Showers

    • 38
    • 63

    Increasing Clouds

    • 41
    • 71

    Partly Sunny

    • 44
    • 73

    Mostly Sunny

    • 46
    • 77

    Mostly Sunny

    • 47
    • 81

    Mostly Sunny

    • 48
    • 81

    Mostly Sunny

Today 16 May John Day Basin

Mostly cloudy with a 20 percent chance of Showers and Thunderstorms. Highs in the 50s. Windy. West wind 15 to 25 Mph.

Tonight 16 May John Day Basin

Cloudy with a 50 percent chance of rain or snow Showers. Lows in the 30s. Breezy. West wind 10 to 20 Mph with Gusts to around 35 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Spray Riverfront Park Temperature Statistics

May Temperature

Grant County Regional Airport (49.7 miles)

  • Lowest 14 May, 2026

    36.1 °F

  • Average May

    54.1 °F

  • Highest 14 May, 2026

    70.2 °F

Climate (2021–Present)

Grant County Regional Airport (49.7 miles)

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  • Average Low 2021–2026

    39.3 °F

  • Average 2021–2026

    50.5 °F

  • Average High 2021–2026

    62.3 °F
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