Marietta, Illinois | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast day icon
    Monday
    Partly Sunny
    74°
    Forecast night icon
    Night
    Thunderstorms
    64°
    Monday 5/6
    Day
    74°
    Partly Sunny
    Forecast day icon
    Night
    64°
    Thunderstorms
    Forecast night icon
    Hourly
    Day Details
    Partly sunny. Near steady temperature in the lower 70s. Southeast winds around 10 mph.
    Night Details
    Partly cloudy in the evening then mostly cloudy with showers and thunderstorms after midnight. Locally heavy rainfall possible after midnight. Lows in the lower 60s. Southeast winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 90 percent.
  • Forecast day icon
    Tuesday
    Thunderstorms
    78°
    Forecast night icon
    Night
    Mostly Clear
    55°
    Tuesday 5/7
    Day
    78°
    Thunderstorms
    Forecast day icon
    Night
    55°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy with showers and thunderstorms in the morning then mostly sunny with a slight chance of showers and thunderstorms in the afternoon. Highs in the upper 70s. South winds 10 to 15 mph becoming southwest in the afternoon. Chance of rain 90 percent.
    Night Details
    Mostly clear. Lows in the lower 50s. Southwest winds 10 to 15 mph diminishing to around 5 mph after midnight.
  • Forecast day icon
    Wednesday
    60% Chance of Storms
    75°
    Forecast night icon
    Night
    50% Chance of Storms
    55°
    Wednesday 5/8
    Day
    75°
    60% Chance of Storms
    Forecast day icon
    Night
    55°
    50% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Partly sunny. Showers likely with a chance of thunderstorms in the afternoon. Highs in the upper 70s. South winds 10 to 15 mph. Chance of rain 60 percent.
    Night Details
    Partly cloudy. A chance of showers and thunderstorms in the evening. Lows in the mid 50s. Chance of rain 50 percent.
  • Forecast day icon
    Thursday
    50% Chance Rain Showers
    62°
    Forecast night icon
    Night
    Partly Cloudy
    45°
    Thursday 5/9
    Day
    62°
    50% Chance Rain Showers
    Forecast day icon
    Night
    45°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly sunny. A chance of showers in the afternoon. Much cooler with highs in the lower 60s. Chance of rain 50 percent.
    Night Details
    Partly cloudy. Cooler with lows in the mid 40s.
  • Forecast day icon
    Friday
    Sunny
    64°
    Forecast night icon
    Night
    Partly Cloudy
    50°
    Friday 5/10
    Day
    64°
    Sunny
    Forecast day icon
    Night
    50°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Sunny. Highs in the upper 60s.
    Night Details
    Partly cloudy. Lows in the upper 40s.
  • Forecast day icon
    Saturday
    40% Chance Rain Showers
    65°
    Forecast night icon
    Night
    Partly Cloudy
    49°
    Saturday 5/11
    Day
    65°
    40% Chance Rain Showers
    Forecast day icon
    Night
    49°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. A chance of showers in the afternoon. Highs in the upper 60s. Chance of rain 40 percent.
    Night Details
    Partly cloudy in the evening then clearing. Lows in the upper 40s.
  • Forecast day icon
    Sunday
    Sunny
    69°
    Forecast night icon
    Night
    30% Chance of Rain
    50°
    Sunday 5/12
    Day
    69°
    Sunny
    Forecast day icon
    Night
    50°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Sunny. Highs in the lower 70s.
    Night Details
    Mostly clear with a slight chance of rain. Chance of precipitation 25%. Low temperature around 50F. Dew point will be around 47F with an average humidity of 70%. Winds will be 6 mph from the NW.
  • Forecast day icon
    Monday
    30% Chance of Rain
    68°
    Forecast night icon
    Night
    Partly Cloudy
    50°
    Monday 5/13
    Day
    68°
    30% Chance of Rain
    Forecast day icon
    Night
    50°
    Partly Cloudy
    Forecast night icon
    Day Details
    Sunny with a slight chance of rain. Chance of precipitation 25%. High temperature around 68F. Dew point will be around 47F with an average humidity of 61%. Winds will be 6 mph from the NW.
    Night Details
    Partly cloudy. Low temperature around 50F. Dew point will be around 47F with an average humidity of 71%. Winds will be 3 mph from the W.
  • Forecast day icon
    Tuesday
    Mostly Sunny
    69°
    Forecast night icon
    Night
    30% Chance of Rain
    53°
    Tuesday 5/14
    Day
    69°
    Mostly Sunny
    Forecast day icon
    Night
    53°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Mostly sunny. High temperature around 69F. Dew point will be around 47F with an average humidity of 60%. Winds will be 2 mph from the W.
    Night Details
    Partly cloudy with a slight chance of rain. Chance of precipitation 25%. Low temperature around 53F. Dew point will be around 49F with an average humidity of 70%. Winds will be 3 mph from the S.
  • Forecast day icon
    Wednesday
    40% Chance of Rain
    70°
    Forecast night icon
    Night
    30% Chance of Rain
    56°
    Wednesday 5/15
    Day
    70°
    40% Chance of Rain
    Forecast day icon
    Night
    56°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Mostly sunny with a chance of rain. Chance of precipitation 35%. High temperature around 70F. Dew point will be around 51F with an average humidity of 63%. Winds will be 4 mph from the S.
    Night Details
    Mostly cloudy with a slight chance of rain. Chance of precipitation 30%. Low temperature around 56F. Dew point will be around 53F with an average humidity of 75%. Winds will be 4 mph from the S.