Harriman Weather Forecast

    • 64
    • 90

    Increasing Clouds

    • 63
    • 88

    Rain Showers

    • 62
    • 85

    Rain Showers

    • 62
    • 84

    Rain Showers

    • 62
    • 80

    Rain Showers

    • 62
    • 83

    Rain Showers Likely

Today 19 May Roane

Mostly sunny. Highs around 90. Light Winds.

Tonight 19 May Roane

Partly cloudy in the Evening, then becoming mostly cloudy. Lows in the mid 60s. Light Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Harriman Temperature Statistics

May Temperature

Oak Ridge (18.6 miles)

  • Lowest 3 May, 2026

    39.7 °F

  • Average May

    63.6 °F

  • Highest 17 May, 2026

    89.1 °F

Climate (2021–Present)

Oak Ridge (18.6 miles)

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  • Average Low 2021–2026

    50.8 °F

  • Average 2021–2026

    60.7 °F

  • Average High 2021–2026

    71.4 °F
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