Marietta, Illinois | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast day icon
    Sunday
    Mostly Sunny
    82°
    Forecast night icon
    Night
    Partly Cloudy
    60°
    Sunday 5/12
    Day
    82°
    Mostly Sunny
    Forecast day icon
    Night
    60°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. High temperature around 82F. Dew point will be around 51F with an average humidity of 57%. Winds will be 11 mph from the SW.
    Night Details
    Partly cloudy this evening then becoming mostly cloudy. Lows in the upper 50s. South winds around 10 mph.
  • Forecast day icon
    Monday
    Thunderstorms
    72°
    Forecast night icon
    Night
    80% Chance of Storms
    60°
    Monday 5/13
    Day
    72°
    Thunderstorms
    Forecast day icon
    Night
    60°
    80% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Partly sunny in the morning then becoming mostly cloudy. A chance of thunderstorms. A chance of showers in the morning then showers in the afternoon. Highs in the mid 70s. Temperature falling into the lower 70s in the afternoon. South winds 10 to 15 mph. Chance of rain 90 percent.
    Night Details
    A chance of thunderstorms. Showers mainly in the evening. Lows in the upper 50s. Southeast winds around 10 mph with gusts up to 20 mph becoming east after midnight. Chance of rain 80 percent.
  • Forecast day icon
    Tuesday
    50% Chance of Storms
    65°
    Forecast night icon
    Night
    Partly Cloudy
    49°
    Tuesday 5/14
    Day
    65°
    50% Chance of Storms
    Forecast day icon
    Night
    49°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy with a chance of thunderstorms. A chance of showers. Highs in the upper 60s. Northeast winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 50 percent.
    Night Details
    Mostly cloudy in the evening then becoming partly cloudy. Lows in the upper 40s. Northeast winds 15 to 20 mph.
  • Forecast day icon
    Wednesday
    Sunny
    73°
    Forecast night icon
    Night
    Partly Cloudy
    54°
    Wednesday 5/15
    Day
    73°
    Sunny
    Forecast day icon
    Night
    54°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Sunny. Highs in the mid 70s.
    Night Details
    Partly cloudy. Lows in the lower 50s.
  • Forecast day icon
    Thursday
    50% Chance of Storms
    73°
    Forecast night icon
    Night
    50% Chance of Storms
    60°
    Thursday 5/16
    Day
    73°
    50% Chance of Storms
    Forecast day icon
    Night
    60°
    50% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy. A chance of showers and thunderstorms. Highs in the mid 70s. Lows in the upper 50s. Chance of rain 50 percent.
    Night Details
    Mostly cloudy. A chance of showers and thunderstorms. Highs in the mid 70s. Lows in the upper 50s. Chance of rain 50 percent.
  • Forecast day icon
    Friday
    40% Chance of Storms
    76°
    Forecast night icon
    Night
    Partly Cloudy
    60°
    Friday 5/17
    Day
    76°
    40% Chance of Storms
    Forecast day icon
    Night
    60°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly sunny with a chance of showers and thunderstorms. Highs in the mid 70s. Chance of rain 40 percent.
    Night Details
    Partly cloudy. Lows in the upper 50s.
  • Forecast day icon
    Saturday
    Sunny
    79°
    Forecast night icon
    Night
    30% Chance Rain Showers
    61°
    Saturday 5/18
    Day
    79°
    Sunny
    Forecast day icon
    Night
    61°
    30% Chance Rain Showers
    Forecast night icon
    Day Details
    Sunny. Highs in the lower 80s.
    Night Details
    Mostly clear with a chance of showers. Lows around 60. Chance of rain 30 percent.
  • Forecast day icon
    Sunday
    40% Chance Rain Showers
    78°
    Forecast night icon
    Night
    40% Chance of Rain
    56°
    Sunday 5/19
    Day
    78°
    40% Chance Rain Showers
    Forecast day icon
    Night
    56°
    40% Chance of Rain
    Forecast night icon
    Day Details
    Mostly sunny. A chance of showers. Highs in the lower 80s. Chance of rain 40 percent.
    Night Details
    Mostly clear with a chance of rain. Chance of precipitation 35%. Low temperature around 56F. Dew point will be around 53F with an average humidity of 70%. Winds will be 5 mph from the W.
  • Forecast day icon
    Monday
    30% Chance of Rain
    73°
    Forecast night icon
    Night
    30% Chance of Rain
    56°
    Monday 5/20
    Day
    73°
    30% Chance of Rain
    Forecast day icon
    Night
    56°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Sunny with a slight chance of rain. Chance of precipitation 25%. High temperature around 73F. Dew point will be around 53F with an average humidity of 61%. Winds will be 6 mph from the W.
    Night Details
    Clear with a slight chance of rain. Chance of precipitation 30%. Low temperature around 56F. Dew point will be around 51F with an average humidity of 67%. Winds will be 3 mph from the W.
  • Forecast day icon
    Tuesday
    30% Chance of Rain
    73°
    Forecast night icon
    Night
    40% Chance of Rain
    57°
    Tuesday 5/21
    Day
    73°
    30% Chance of Rain
    Forecast day icon
    Night
    57°
    40% Chance of Rain
    Forecast night icon
    Day Details
    Mostly sunny with a slight chance of rain. Chance of precipitation 30%. High temperature around 73F. Dew point will be around 52F with an average humidity of 60%. Winds will be 3 mph from the SW.
    Night Details
    Mostly clear with a chance of rain. Chance of precipitation 40%. Low temperature around 57F. Dew point will be around 53F with an average humidity of 71%. Winds will be 3 mph from the SW.