Heppner Weather Forecast

    • 35
    • 50

    Rain

    • 33
    • 45

    Chance Rain

    • 41
    • 51

    Chance Rain

    • 43
    • 59

    Mostly Cloudy

    • 40
    • 63

    Mostly Cloudy

    • 30
    • 50

    Slight Chance Rain/Snow

Today 4 Mar Foothills of the Southern Blue Mountains of Oregon

Rain in the Morning, then rain Showers likely and a chance of Thunderstorms in the afternoon. Highs in the upper 40s to lower 50s. Windy. Southwest wind 5 to 10 Mph with Gusts to around 25 Mph increasing to west 20 to 30 Mph with Gusts to around 40 Mph in the afternoon. Chance of precipitation near 100 percent. Rainfall Amounts between a tenth and a quarter of an inch Possible, except higher Amounts possible in Thunderstorms.

Tonight 4 Mar Foothills of the Southern Blue Mountains of Oregon

Mostly cloudy. A chance of Showers and Thunderstorms in the evening. Lows in the 30s. Windy. West wind 15 to 25 Mph with Gusts to around 35 Mph. Chance of precipitation 50 percent. Rainfall Amounts less than a tenth of an Inch, except higher Amounts possible in Thunderstorms.

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Heppner Temperature Statistics

March Temperature

Hermiston, Hermiston Municipal Airport (35.4 miles)

  • Lowest 1 March, 2026

    28 °F
  • Average March

    41.9 °F
  • Highest 1 March, 2026

    54 °F

Climate (2021–Present)

Hermiston, Hermiston Municipal Airport (35.4 miles)

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  • Average Low 2021–2026

    43 °F
  • Average 2021–2026

    55.3 °F
  • Average High 2021–2026

    67.7 °F
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