Onego Weather Forecast

    • 51
    • 72

    Becoming Sunny

    • 55
    • 77

    Mostly Sunny

    • 62
    • 82

    Partly Sunny

    • 62
    • 82

    Rain Showers Likely

    • 60
    • 80

    Slight Chance Thunderstorms

    • 61
    • 80

    Partly Sunny

Today 24 Aug Western Pendleton

Patchy fog in the morning. Sunny. Highs in the mid 70s. Except in the upper 60s at the higher Elevations. West Winds 10 to 15 Mph with Gusts up to 30 Mph.

Tonight 24 Aug Western Pendleton

Mostly clear. Lows in the lower 50s. West Winds 5 to 10 Mph with Gusts up to 25 Mph.

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Onego Temperature Statistics

August Temperature

Petersburg, Grant County Airport (18 miles)

  • Lowest 4 August, 2026

    57.4 °F

  • Average August

    74.8 °F

  • Highest 10 August, 2026

    92.5 °F

Climate (2021–2026)

Petersburg, Grant County Airport (18 miles)

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  • Average Low 2021–2026

    44.3 °F

  • Average 2021–2026

    55.4 °F

  • Average High 2021–2026

    67.5 °F
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