Heppner Weather Forecast

    • 31
    • 49

    Decreasing Clouds

    • 38
    • 56

    Mostly Sunny

    • 46
    • 68

    Mostly Cloudy

    • 48
    • 69

    Slight Chance Rain

    • 47
    • 69

    Chance Rain

    • 44
    • 63

    Chance Rain

Today 16 Apr Foothills of the Southern Blue Mountains of Oregon

Mostly cloudy in the morning then clearing. Highs in the upper 40s to lower 50s. Windy. West wind 15 to 25 Mph with Gusts to around 40 Mph.

Tonight 16 Apr Foothills of the Southern Blue Mountains of Oregon

Mostly clear. Lows in the upper 20s to lower 30s. Windy. West wind 15 to 25 Mph. Gusts up to 35 Mph decreasing to 25 Mph overnight.

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  • Temperature Real-Time

Heppner Temperature Statistics

April Temperature

Hermiston, Hermiston Municipal Airport (35.4 miles)

  • Lowest 4 April, 2026

    31.6 °F

  • Average April

    53.2 °F

  • Highest 6 April, 2026

    78.7 °F

Climate (2021–Present)

Hermiston, Hermiston Municipal Airport (35.4 miles)

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  • Average Low 2021–2026

    43.1 °F

  • Average 2021–2026

    55.4 °F

  • Average High 2021–2026

    67.7 °F
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