Marietta, Illinois | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast night icon
    Night
    30% Chance Rain Showers
    54°
    Friday 5/10
    Forecast night icon
    54°
    30% Chance Rain Showers
    Hourly
    Night Details
    Mostly cloudy late this evening then clearing. Scattered showers late this evening then isolated showers. Lows around 50. Southwest winds around 10 mph becoming west with gusts up to 20 mph. Chance of rain 30 percent.
  • Forecast day icon
    Saturday
    Sunny
    72°
    Forecast night icon
    Night
    Clear
    52°
    Saturday 5/11
    Day
    72°
    Sunny
    Forecast day icon
    Night
    52°
    Clear
    Forecast night icon
    Hourly
    Day Details
    Sunny. Highs in the lower 70s. Northwest winds 15 to 20 mph with gusts up to 30 mph.
    Night Details
    Clear. Lows in the upper 40s. Northwest winds 10 to 15 mph becoming southwest around 5 mph after midnight.
  • Forecast day icon
    Sunday
    Sunny
    80°
    Forecast night icon
    Night
    Mostly Cloudy
    60°
    Sunday 5/12
    Day
    80°
    Sunny
    Forecast day icon
    Night
    60°
    Mostly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Sunny. Highs in the lower 80s. Southwest winds 10 to 15 mph.
    Night Details
    Mostly cloudy. Lows in the upper 50s. Southwest winds 5 to 10 mph.
  • Forecast day icon
    Monday
    Thunderstorms
    70°
    Forecast night icon
    Night
    70% Chance of Storms
    57°
    Monday 5/13
    Day
    70°
    Thunderstorms
    Forecast day icon
    Night
    57°
    70% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy. A chance of showers in the morning then showers with a chance of thunderstorms in the afternoon. Highs in the lower 70s. Chance of rain 90 percent.
    Night Details
    A chance of thunderstorms. Showers likely mainly in the evening. Lows in the mid 50s. Chance of rain 70 percent.
  • Forecast day icon
    Tuesday
    50% Chance Rain Showers
    67°
    Forecast night icon
    Night
    Partly Cloudy
    49°
    Tuesday 5/14
    Day
    67°
    50% Chance Rain Showers
    Forecast day icon
    Night
    49°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy in the morning then becoming partly sunny. A chance of showers. Highs in the upper 60s. Chance of rain 50 percent.
    Night Details
    Partly cloudy. Lows in the upper 40s.
  • Forecast day icon
    Wednesday
    Sunny
    72°
    Forecast night icon
    Night
    30% Chance Rain Showers
    56°
    Wednesday 5/15
    Day
    72°
    Sunny
    Forecast day icon
    Night
    56°
    30% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Sunny. Highs in the mid 70s.
    Night Details
    Partly cloudy. A chance of showers after midnight. Lows in the lower 50s. Chance of rain 30 percent.
  • Forecast day icon
    Thursday
    40% Chance Rain Showers
    72°
    Forecast night icon
    Night
    50% Chance Rain Showers
    55°
    Thursday 5/16
    Day
    72°
    40% Chance Rain Showers
    Forecast day icon
    Night
    55°
    50% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Partly sunny. A chance of showers. Highs in the mid 70s. Chance of rain 40 percent.
    Night Details
    Mostly cloudy with a chance of showers. Lows in the mid 50s. Chance of rain 50 percent.
  • Forecast day icon
    Friday
    40% Chance of Storms
    67°
    Forecast night icon
    Night
    30% Chance of Rain
    52°
    Friday 5/17
    Day
    67°
    40% Chance of Storms
    Forecast day icon
    Night
    52°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Mostly sunny with a chance of showers. A chance of thunderstorms in the afternoon. Highs in the lower 70s. Chance of rain 40 percent.
    Night Details
    Mostly clear with a 30% chance for rain and thunderstorms. Low temperature around 52F. Dew point will be around 49F with an average humidity of 74%. Winds will be 5 mph from the W.
  • Forecast day icon
    Saturday
    30% Chance of Rain
    67°
    Forecast night icon
    Night
    Clear
    52°
    Saturday 5/18
    Day
    67°
    30% Chance of Rain
    Forecast day icon
    Night
    52°
    Clear
    Forecast night icon
    Day Details
    Mostly cloudy with a slight chance of rain. Chance of precipitation 30%. High temperature around 67F. Dew point will be around 49F with an average humidity of 66%. Winds will be 9 mph from the W.
    Night Details
    Clear. Low temperature around 52F. Dew point will be around 50F with an average humidity of 73%. Winds will be 7 mph from the W.
  • Forecast day icon
    Sunday
    30% Chance of Rain
    69°
    Forecast night icon
    Night
    40% Chance of Rain
    51°
    Sunday 5/19
    Day
    69°
    30% Chance of Rain
    Forecast day icon
    Night
    51°
    40% Chance of Rain
    Forecast night icon
    Day Details
    Sunny with a slight chance of rain. Chance of precipitation 30%. High temperature around 69F. Dew point will be around 48F with an average humidity of 60%. Winds will be 9 mph from the NW.
    Night Details
    Mostly clear with a chance of rain. Chance of precipitation 35%. Low temperature around 51F. Dew point will be around 48F with an average humidity of 69%. Winds will be 4 mph from the NW.