Charleston Weather Forecast

    • 57
    • 62

    Mostly Cloudy

    • 54
    • 60

    Partly Sunny

    • 54
    • 60

    Partly Sunny

    • 55
    • 61

    Slight Chance Rain Showers

    • 56
    • 62

    Partly Sunny

    • 56
    • 62

    Partly Sunny

Today 17 Sep South Central Oregon Coast

Partly cloudy in the morning then becoming sunny. Patchy fog in the morning. Highs in the lower to mid 70s. Northeast Winds 5 to 10 Mph shifting to the north 10 to 15 Mph in the afternoon.

Tonight 17 Sep South Central Oregon Coast

Mostly cloudy. Lows in the mid 50s. Along the Coast, north Winds 10 to 20 Mph. Inland, north Winds 15 to 20 Mph decreasing to 5 to 10 Mph after midnight.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Charleston Temperature Statistics

September Temperature

Southwest Oregon Regional Airport (6.8 miles)

  • Lowest 7 September, 2025

    54 °F

  • Average September

    60.8 °F

  • Highest 1 September, 2025

    70 °F

Climate (2020–Present)

Southwest Oregon Regional Airport (6.8 miles)

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

  • Average Low 2020–2025

    46.7 °F

  • Average 2020–2025

    52.7 °F

  • Average High 2020–2025

    59.6 °F
Get WillyWeather+ to remove ads