Seneca Weather Forecast

    • 34
    • 64

    Rain Showers

    • 30
    • 54

    Rain Showers Likely

    • 32
    • 55

    Chance Rain Showers

    • 33
    • 63

    Mostly Cloudy

    • 33
    • 68

    Mostly Sunny

    • 35
    • 69

    Partly Sunny

    • 37
    • 72

    Partly Sunny

Today 26 Jun Ochoco-John Day Highlands

Rain Showers likely and a chance of Thunderstorms. Highs in the 60s. Chance of precipitation 70 percent. Rainfall Amounts less than a quarter of an Inch, except higher Amounts possible in Thunderstorms.

Tonight 26 Jun Ochoco-John Day Highlands

Mostly cloudy. A chance of Showers and Thunderstorms in the Evening, then a chance of rain Showers overnight. Lows in the mid 30s to lower 40s. Northwest wind 5 to 15 Mph in the Evening, becoming light. Gusts up to 25 Mph. Chance of precipitation 50 percent. Rainfall Amounts less than a quarter of an Inch, except higher Amounts possible in Thunderstorms.

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Seneca Temperature Statistics

June Temperature

Grant County Regional Airport (18 miles)

  • Lowest 1 June, 2026

    37.6 °F

  • Average June

    63.9 °F

  • Highest 19 June, 2026

    90.9 °F

Climate (2021–2026)

Grant County Regional Airport (18 miles)

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  • Average Low 2021–2026

    39.2 °F

  • Average 2021–2026

    50.4 °F

  • Average High 2021–2026

    62.2 °F
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