Heppner Weather Forecast

    • 63
    • 89

    Increasing Clouds

    • 64
    • 91

    Slight Chance Rain Showers

    • 61
    • 91

    Slight Chance Rain Showers

    • 59
    • 89

    Mostly Sunny

    • 61
    • 89

    Mostly Sunny

    • 63
    • 91

    Mostly Sunny

    • 63
    • 91

    Partly Sunny

Today 13 Jul Foothills of the Southern Blue Mountains of Oregon

Sunny. Highs in the upper 80s to lower 90s. North wind 5 to 10 Mph with Gusts to around 20 Mph.

Tonight 13 Jul Foothills of the Southern Blue Mountains of Oregon

Mostly clear in the Evening, becoming mostly cloudy. Lows in the lower to mid 60s. Northwest wind 5 to 15 Mph with Gusts to around 25 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Heppner Temperature Statistics

July Temperature

Hermiston, Hermiston Municipal Airport (35.4 miles)

  • Lowest 5 July, 2026

    51.7 °F

  • Average July

    74.9 °F

  • Highest 7 July, 2026

    100.7 °F

Climate (2021–2026)

Hermiston, Hermiston Municipal Airport (35.4 miles)

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  • Average Low 2021–2026

    42.9 °F

  • Average 2021–2026

    55.2 °F

  • Average High 2021–2026

    67.6 °F
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