Oak Grove Weather Forecast

    • 40
    • 50

    Rain

    • 39
    • 54

    Rain

    • 30
    • 47

    Partly Sunny

    • 39
    • 46

    Mostly Cloudy

    • 36
    • 58

    Partly Sunny

    • 36
    • 51

    Partly Sunny

    • 44
    • 53

    Chance Rain Showers

Today 30 Jan Eastern Pendleton

Partly sunny. Highs in the upper 40s. Southwest Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 30 Jan Eastern Pendleton

Rain likely late this Evening, then rain. Lows in the upper 30s. Southwest Winds 10 to 15 Mph with Gusts up to 35 Mph. Chance of rain 90 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Oak Grove Temperature Statistics

January Temperature

Petersburg, Grant County Airport (27.3 miles)

  • Lowest 22 January, 2025

    -4.4 °F

  • Average January

    27.1 °F

  • Highest 18 January, 2025

    50.9 °F

Climate (2020–Present)

Petersburg, Grant County Airport (27.3 miles)

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  • Average Low 2020–2025

    44.1 °F

  • Average 2020–2025

    55.2 °F

  • Average High 2020–2025

    67.3 °F
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