Granite City, Illinois | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast day icon
    Thursday
    Sunny
    64°
    Forecast night icon
    Night
    Mostly Clear
    47°
    Thursday 3/28
    Day
    64°
    Sunny
    Forecast day icon
    Night
    47°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Sunny. Not as cool with highs in the mid 60s. Southwest winds 5 to 10 mph.
    Night Details
    Mostly clear. Not as cool with lows in the mid 40s. Southwest winds 5 to 10 mph.
  • Forecast day icon
    Friday
    Mostly Sunny
    74°
    Forecast night icon
    Night
    Partly Cloudy
    60°
    Friday 3/29
    Day
    74°
    Mostly Sunny
    Forecast day icon
    Night
    60°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. Highs in the lower 70s. South winds 15 to 20 mph.
    Night Details
    Partly cloudy with a 20 percent chance of showers. Not as cool with lows in the mid 50s. South winds 10 to 15 mph with gusts up to 30 mph.
  • Forecast day icon
    Saturday
    Partly Sunny
    75°
    Forecast night icon
    Night
    40% Chance of Storms
    58°
    Saturday 3/30
    Day
    75°
    Partly Sunny
    Forecast day icon
    Night
    58°
    40% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Partly sunny. A slight chance of showers in the afternoon. Highs in the mid 70s. West winds 10 to 15 mph. Chance of rain 20 percent.
    Night Details
    Mostly cloudy with a chance of showers with a slight chance of thunderstorms. Lows in the lower 50s. Chance of rain 40 percent.
  • Forecast day icon
    Sunday
    50% Chance of Storms
    78°
    Forecast night icon
    Night
    50% Chance of Storms
    62°
    Sunday 3/31
    Day
    78°
    50% Chance of Storms
    Forecast day icon
    Night
    62°
    50% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy. A chance of showers and thunderstorms. Highs in the mid 70s. Lows around 60. Chance of rain 50 percent.
    Night Details
    Mostly cloudy. A chance of showers and thunderstorms. Highs in the mid 70s. Lows around 60. Chance of rain 50 percent.
  • Forecast day icon
    Monday
    70% Chance of Storms
    79°
    Forecast night icon
    Night
    70% Chance of Storms
    57°
    Monday 4/1
    Day
    79°
    70% Chance of Storms
    Forecast day icon
    Night
    57°
    70% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Showers likely with a chance of thunderstorms. Highs in the upper 70s. Lows around 50. Chance of rain 70 percent.
    Night Details
    Showers likely with a chance of thunderstorms. Highs in the upper 70s. Lows around 50. Chance of rain 70 percent.
  • Forecast day icon
    Tuesday
    Partly Sunny
    60°
    Forecast night icon
    Night
    Partly Cloudy
    45°
    Tuesday 4/2
    Day
    60°
    Partly Sunny
    Forecast day icon
    Night
    45°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly sunny. A slight chance of showers and thunderstorms in the morning. Much cooler with highs in the lower 60s. Chance of rain 20 percent.
    Night Details
    Partly cloudy. Cooler with lows in the upper 30s.
  • Forecast day icon
    Wednesday
    Sunny
    59°
    Forecast night icon
    Night
    Clear
    43°
    Wednesday 4/3
    Day
    59°
    Sunny
    Forecast day icon
    Night
    43°
    Clear
    Forecast night icon
    Day Details
    Sunny. Highs in the upper 50s.
    Night Details
    Clear. Low temperature around 43F. Dew point will be around 32F with an average humidity of 54%. Winds will be 6 mph from the NW.
  • Forecast day icon
    Thursday
    Sunny
    69°
    Forecast night icon
    Night
    Clear
    47°
    Thursday 4/4
    Day
    69°
    Sunny
    Forecast day icon
    Night
    47°
    Clear
    Forecast night icon
    Day Details
    Sunny. High temperature around 69F. Dew point will be around 32F with an average humidity of 40%. Winds will be 2 mph from the SW.
    Night Details
    Clear. Low temperature around 47F. Dew point will be around 38F with an average humidity of 54%. Winds will be 2 mph from the SE.
  • Forecast day icon
    Friday
    Sunny
    71°
    Forecast night icon
    Night
    Mostly Clear
    53°
    Friday 4/5
    Day
    71°
    Sunny
    Forecast day icon
    Night
    53°
    Mostly Clear
    Forecast night icon
    Day Details
    Sunny. High temperature around 71F. Dew point will be around 39F with an average humidity of 46%. Winds will be 6 mph from the SE.
    Night Details
    Mostly clear. Low temperature around 53F. Dew point will be around 43F with an average humidity of 59%. Winds will be 6 mph from the SE.
  • Forecast day icon
    Saturday
    Mostly Sunny
    71°
    Forecast night icon
    Night
    30% Chance of Rain
    51°
    Saturday 4/6
    Day
    71°
    Mostly Sunny
    Forecast day icon
    Night
    51°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Mostly sunny. High temperature around 71F. Dew point will be around 46F with an average humidity of 52%. Winds will be 8 mph from the S.
    Night Details
    Clear with a slight chance of rain. Chance of precipitation 25%. Low temperature around 51F. Dew point will be around 45F with an average humidity of 62%. Winds will be 3 mph from the SE.