Harriman Weather Forecast

    • 70
    • 89

    Becoming Sunny

    • 71
    • 90

    Chance Thunderstorms

    • 71
    • 89

    Thunderstorms Likely

    • 71
    • 88

    Thunderstorms Likely

    • 70
    • 89

    Chance Thunderstorms

    • 71
    • 90

    Slight Chance Thunderstorms

Today 15 Jul Roane

Mostly sunny. A slight chance of Showers and Thunderstorms in the afternoon. Humid with Highs in the upper 80s. Light Winds. Chance of rain 20 percent.

Tonight 15 Jul Roane

Mostly clear. Lows around 70. Light Winds.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Harriman Temperature Statistics

July Temperature

Oak Ridge (18.6 miles)

  • Lowest 4 July, 2026

    69.7 °F

  • Average July

    81.8 °F

  • Highest 2 July, 2026

    99.6 °F

Climate (2021–2026)

Oak Ridge (18.6 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    50.9 °F

  • Average 2021–2026

    60.8 °F

  • Average High 2021–2026

    71.5 °F
Get WillyWeather+ to remove ads