Mays Reservoir Weather Forecast

    • 40
    • 59

    Rain

    • 34
    • 47

    Rain

    • 32
    • 44

    Mostly Cloudy

    • 38
    • 48

    Mostly Cloudy

    • 42
    • 57

    Mostly Cloudy

    • 39
    • 59

    Mostly Cloudy

Today 3 Mar John Day Basin

Mostly sunny. Highs in the upper 50s to lower 60s. Light Wind, becoming south 5 to 10 Mph in the afternoon.

Tonight 3 Mar John Day Basin

Mostly cloudy. A 50 percent chance of rain overnight. Lows in the upper 30s to lower 40s. West wind 5 to 10 Mph in the Evening, becoming light. Rainfall Amounts less than a tenth of an inch.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mays Reservoir Temperature Statistics

March Temperature

Prineville Airport (37.3 miles)

  • Lowest 1 March, 2026

    30.2 °F

  • Average March

    40.5 °F

  • Highest 1 March, 2026

    48.2 °F

Climate (2021–Present)

Prineville Airport (37.3 miles)

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  • Average Low 2021–2026

    34.5 °F

  • Average 2021–2026

    49.6 °F

  • Average High 2021–2026

    63 °F
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