Saint Augustine, Illinois | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast day icon
    Friday
    Thunderstorms
    58°
    Forecast night icon
    Night
    50% Chance of Storms
    60°
    Friday 4/26
    Day
    58°
    Thunderstorms
    Forecast day icon
    Night
    60°
    50% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Showers and thunderstorms. Highs in the lower 60s. Southeast winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 90 percent.
    Night Details
    Mostly cloudy with a chance of showers and thunderstorms. Not as cool. Near steady temperature in the lower 60s. South winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 50 percent.
  • Forecast day icon
    Saturday
    40% Chance of Storms
    77°
    Forecast night icon
    Night
    70% Chance of Storms
    64°
    Saturday 4/27
    Day
    77°
    40% Chance of Storms
    Forecast day icon
    Night
    64°
    70% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy in the morning then partly sunny with a chance of showers and thunderstorms in the afternoon. Much warmer with highs around 80. South winds 15 to 20 mph with gusts up to 35 mph. Chance of rain 40 percent.
    Night Details
    Mostly cloudy with a chance of thunderstorms. A chance of showers in the evening then showers likely after midnight. Lows in the mid 60s. South winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 70 percent.
  • Forecast day icon
    Sunday
    70% Chance of Storms
    76°
    Forecast night icon
    Night
    Thunderstorms
    62°
    Sunday 4/28
    Day
    76°
    70% Chance of Storms
    Forecast day icon
    Night
    62°
    Thunderstorms
    Forecast night icon
    Hourly
    Day Details
    Showers likely with a chance of thunderstorms. Breezy with highs in the upper 70s. South winds 15 to 25 mph with gusts up to 40 mph. Chance of rain 70 percent.
    Night Details
    A chance of thunderstorms. Showers breezy with lows in the lower 60s. Chance of rain 90 percent.
  • Forecast day icon
    Monday
    50% Chance Rain Showers
    71°
    Forecast night icon
    Night
    Partly Cloudy
    53°
    Monday 4/29
    Day
    71°
    50% Chance Rain Showers
    Forecast day icon
    Night
    53°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy in the morning then becoming partly sunny. A chance of showers. Highs in the mid 70s. Chance of rain 50 percent.
    Night Details
    Partly cloudy in the evening then clearing. Lows in the lower 50s.
  • Forecast day icon
    Tuesday
    Sunny
    77°
    Forecast night icon
    Night
    40% Chance of Storms
    57°
    Tuesday 4/30
    Day
    77°
    Sunny
    Forecast day icon
    Night
    57°
    40% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Sunny. Highs in the upper 70s.
    Night Details
    Partly cloudy with a chance of showers and thunderstorms. Lows in the mid 50s. Highs in the mid 70s. Chance of rain 40 percent.
  • Forecast day icon
    Wednesday
    40% Chance of Storms
    75°
    Forecast night icon
    Night
    40% Chance of Storms
    57°
    Wednesday 5/1
    Day
    75°
    40% Chance of Storms
    Forecast day icon
    Night
    57°
    40% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy with a chance of showers and thunderstorms. Lows in the mid 50s. Highs in the mid 70s. Chance of rain 40 percent.
    Night Details
    Partly cloudy with a chance of showers and thunderstorms. Lows in the mid 50s. Highs in the mid 70s. Chance of rain 40 percent.
  • Forecast day icon
    Thursday
    40% Chance of Storms
    72°
    Forecast night icon
    Night
    30% Chance of Rain
    49°
    Thursday 5/2
    Day
    72°
    40% Chance of Storms
    Forecast day icon
    Night
    49°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Partly cloudy with a chance of showers and thunderstorms. Lows in the mid 50s. Highs in the mid 70s. Chance of rain 40 percent.
    Night Details
    Mostly clear with a slight chance of rain. Chance of precipitation 25%. Low temperature around 49F. Dew point will be around 50F with an average humidity of 75%. Winds will be 9 mph from the NW.
  • Forecast day icon
    Friday
    Sunny
    69°
    Forecast night icon
    Night
    Clear
    49°
    Friday 5/3
    Day
    69°
    Sunny
    Forecast day icon
    Night
    49°
    Clear
    Forecast night icon
    Day Details
    Sunny. High temperature around 69F. Dew point will be around 49F with an average humidity of 65%. Winds will be 4 mph from the E.
    Night Details
    Clear. Low temperature around 49F. Dew point will be around 46F with an average humidity of 68%. Winds will be 5 mph from the SE.
  • Forecast day icon
    Saturday
    Mostly Sunny
    70°
    Forecast night icon
    Night
    Partly Cloudy
    54°
    Saturday 5/4
    Day
    70°
    Mostly Sunny
    Forecast day icon
    Night
    54°
    Partly Cloudy
    Forecast night icon
    Day Details
    Mostly sunny. High temperature around 70F. Dew point will be around 51F with an average humidity of 69%. Winds will be 9 mph from the S.
    Night Details
    Partly cloudy. Low temperature around 54F. Dew point will be around 52F with an average humidity of 75%. Winds will be 8 mph from the S.
  • Forecast day icon
    Sunday
    30% Chance of Rain
    72°
    Forecast night icon
    Night
    40% Chance of Rain
    58°
    Sunday 5/5
    Day
    72°
    30% Chance of Rain
    Forecast day icon
    Night
    58°
    40% Chance of Rain
    Forecast night icon
    Day Details
    Mostly cloudy with a slight chance of rain. Chance of precipitation 30%. High temperature around 72F. Dew point will be around 58F with an average humidity of 77%. Winds will be 8 mph from the S.
    Night Details
    Partly cloudy with a chance of rain. Chance of precipitation 35%. Low temperature around 58F. Dew point will be around 56F with an average humidity of 78%. Winds will be 6 mph from the S.