Spray Weather Forecast

    • 40
    • 67

    Mostly Sunny

    • 43
    • 72

    Mostly Sunny

    • 48
    • 78

    Sunny

    • 53
    • 84

    Partly Sunny

    • 48
    • 79

    Chance Rain Showers

    • 48
    • 79

    Mostly Sunny

Today 30 May John Day Basin

Sunny. Highs in the lower to mid 60s. Northwest wind 5 to 10 Mph with Gusts to around 20 Mph.

Tonight 30 May John Day Basin

Mostly clear. Lows in the mid 30s to lower 40s. Northwest wind 5 to 15 Mph in the Evening, becoming light.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Spray Temperature Statistics

May Temperature

Grant County Regional Airport (50.3 miles)

  • Lowest 18 May, 2026

    31.1 °F

  • Average May

    54.3 °F

  • Highest 25 May, 2026

    83.7 °F

Climate (2021–Present)

Grant County Regional Airport (50.3 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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