Johnson City Weather Forecast

    • 63
    • 100

    Chance Rain Showers

    • 61
    • 88

    Partly Sunny

    • 60
    • 90

    Mostly Sunny

    • 59
    • 80

    Partly Sunny

    • 58
    • 82

    Partly Sunny

    • 58
    • 82

    Partly Sunny

Today 22 Jul Inner Portland Metro

Mostly sunny. Patchy smoke. A slight chance of Thunderstorms this afternoon. Highs in the upper 90s. Northwest wind 5 to 10 Mph. Chance of precipitation 20 percent.

Tonight 22 Jul Inner Portland Metro

Mostly cloudy in the Evening, then becoming partly cloudy. A 20 percent chance of Thunderstorms. Lows in the lower 60s. Southwest wind 5 to 10 Mph.

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Johnson City Temperature Statistics

July Temperature

Portland, Portland-Troutdale Airport (13 miles)

  • Lowest 13 July, 2026

    51.7 °F

  • Average July

    69.4 °F

  • Highest 14 July, 2026

    90.6 °F

Climate (2021–2026)

Portland, Portland-Troutdale Airport (13 miles)

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  • Average Low 2021–2026

    47.6 °F

  • Average 2021–2026

    56.3 °F

  • Average High 2021–2026

    65.3 °F
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