Rattlesnake Island Airport Weather Forecast

    • 42
    • 62

    Rain Showers

    • 34
    • 49

    Chance Rain Showers

    • 40
    • 44

    Mostly Sunny

    • 48
    • 61

    Mostly Cloudy

    • 48
    • 58

    Mostly Sunny

    • 54
    • 62

    Partly Sunny

Today 18 Apr Ottawa

Showers with a chance of Thunderstorms in the Morning, then a chance of Showers with a slight chance of Thunderstorms in the afternoon. Highs in the lower 70s. Temperature falling into the upper 50s in the afternoon. South Winds 15 to 20 Mph, becoming west in the afternoon. Chance of rain 90 percent.

Tonight 18 Apr Ottawa

Mostly cloudy with a chance of Showers and Thunderstorms. Lows in the upper 50s. South Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of rain 50 percent.

Graph Plots Open in Graphs
  • Temperature Forecast NOAA

  • Temperature Real-Time

Rattlesnake Island Airport Temperature Statistics

April Temperature

Port Clinton Carl R Keller Field Airport (11.2 miles)

  • Lowest 7 April, 2026

    26.6 °F
  • Average April

    53.4 °F
  • Highest 13 April, 2026

    84.2 °F

Climate (2021–Present)

Port Clinton Carl R Keller Field Airport (11.2 miles)

Take a look at our website widgetsAvailable free! Find Out More
  • Average Low 2021–2026

    45.2 °F
  • Average 2021–2026

    52.7 °F
  • Average High 2021–2026

    60.5 °F
Get WillyWeather+ to remove ads