Saint Augustine, Illinois | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast night icon
    Night
    Mostly Clear
    56°
    Tuesday 5/7
    Forecast night icon
    56°
    Mostly Clear
    Hourly
    Night Details
    Mostly clear. A slight chance of showers and thunderstorms late this evening. Lows in the lower 50s. Southwest winds around 5 mph. Chance of rain 20 percent.
  • Forecast day icon
    Wednesday
    50% Chance of Storms
    78°
    Forecast night icon
    Night
    70% Chance of Storms
    55°
    Wednesday 5/8
    Day
    78°
    50% Chance of Storms
    Forecast day icon
    Night
    55°
    70% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the upper 70s. South winds 10 to 15 mph. Chance of rain 50 percent.
    Night Details
    Showers and thunderstorms likely in the evening then mostly cloudy with a chance of showers and thunderstorms after midnight. Lows in the lower 50s. East winds around 10 mph becoming north after midnight. Chance of rain 70 percent.
  • Forecast day icon
    Thursday
    50% Chance Rain Showers
    61°
    Forecast night icon
    Night
    Partly Cloudy
    48°
    Thursday 5/9
    Day
    61°
    50% Chance Rain Showers
    Forecast day icon
    Night
    48°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy with a chance of showers. Cooler with highs in the lower 60s. North winds around 15 mph with gusts up to 25 mph. Chance of rain 50 percent.
    Night Details
    Mostly cloudy in the evening then becoming partly cloudy. Lows in the mid 40s. North winds 10 to 15 mph.
  • Forecast day icon
    Friday
    Sunny
    67°
    Forecast night icon
    Night
    30% Chance Rain Showers
    51°
    Friday 5/10
    Day
    67°
    Sunny
    Forecast day icon
    Night
    51°
    30% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Sunny. Highs in the upper 60s.
    Night Details
    Partly cloudy. A chance of showers in the evening. Lows in the upper 40s. Chance of rain 30 percent.
  • Forecast day icon
    Saturday
    Mostly Sunny
    69°
    Forecast night icon
    Night
    Mostly Clear
    49°
    Saturday 5/11
    Day
    69°
    Mostly Sunny
    Forecast day icon
    Night
    49°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Mostly clear. Highs in the upper 60s. Lows in the upper 40s.
    Night Details
    Mostly clear. Highs in the upper 60s. Lows in the upper 40s.
  • Forecast day icon
    Sunday
    Sunny
    77°
    Forecast night icon
    Night
    Partly Cloudy
    54°
    Sunday 5/12
    Day
    77°
    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 mid 50s.
  • Forecast day icon
    Monday
    30% Chance of Storms
    77°
    Forecast night icon
    Night
    Partly Cloudy
    56°
    Monday 5/13
    Day
    77°
    30% Chance of Storms
    Forecast day icon
    Night
    56°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Sunny. A chance of showers and thunderstorms in the afternoon. Highs in the upper 70s. Chance of rain 30 percent.
    Night Details
    Partly cloudy. Lows in the mid 50s.
  • Forecast day icon
    Tuesday
    40% Chance of Storms
    76°
    Forecast night icon
    Night
    40% Chance of Rain
    58°
    Tuesday 5/14
    Day
    76°
    40% Chance of Storms
    Forecast day icon
    Night
    58°
    40% Chance of Rain
    Forecast night icon
    Day Details
    Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the upper 70s. Chance of rain 40 percent.
    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 75%. Winds will be 6 mph from the S.
  • Forecast day icon
    Wednesday
    50% Chance of Rain
    77°
    Forecast night icon
    Night
    50% Chance of Rain
    60°
    Wednesday 5/15
    Day
    77°
    50% Chance of Rain
    Forecast day icon
    Night
    60°
    50% Chance of Rain
    Forecast night icon
    Day Details
    Partly cloudy with a chance of rain. Chance of precipitation 45%. High temperature around 77F. Dew point will be around 60F with an average humidity of 71%. Winds will be 5 mph from the SE.
    Night Details
    Partly cloudy with a chance of rain. Chance of precipitation 50%. Low temperature around 60F. Dew point will be around 58F with an average humidity of 74%. Winds will be 3 mph from the S.
  • Forecast day icon
    Thursday
    30% Chance of Rain
    76°
    Forecast night icon
    Night
    30% Chance of Rain
    59°
    Thursday 5/16
    Day
    76°
    30% Chance of Rain
    Forecast day icon
    Night
    59°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Mostly cloudy with a 30% chance for rain and thunderstorms. High temperature around 76F. Dew point will be around 60F with an average humidity of 70%. Winds will be 1 mph from the SW.
    Night Details
    Clear with a slight chance of rain. Chance of precipitation 25%. Low temperature around 59F. Dew point will be around 57F with an average humidity of 73%. Winds will be 1 mph from the SW.