Olney, Illinois | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast day icon
    Saturday
    Mostly Sunny
    81°
    Forecast night icon
    Night
    Mostly Clear
    64°
    Saturday 5/18
    Day
    81°
    Mostly Sunny
    Forecast day icon
    Night
    64°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. Patchy fog this morning. A slight chance of showers and thunderstorms this afternoon. Highs in the lower 80s. Light and variable winds. Chance of rain 20 percent.
    Night Details
    Mostly clear. Lows in the lower 60s. Light and variable winds.
  • Forecast day icon
    Sunday
    Sunny
    87°
    Forecast night icon
    Night
    Mostly Clear
    66°
    Sunday 5/19
    Day
    87°
    Sunny
    Forecast day icon
    Night
    66°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Sunny. Highs in the upper 80s. Light and variable winds becoming southeast around 5 mph in the afternoon.
    Night Details
    Mostly clear. Lows in the mid 60s. Light and variable winds becoming southeast around 5 mph after midnight.
  • Forecast day icon
    Monday
    Mostly Sunny
    86°
    Forecast night icon
    Night
    30% Chance Rain Showers
    70°
    Monday 5/20
    Day
    86°
    Mostly Sunny
    Forecast day icon
    Night
    70°
    30% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. Highs in the upper 80s. South winds 5 to 10 mph.
    Night Details
    Partly cloudy. A chance of showers. Lows in the upper 60s. Highs in the upper 80s. Chance of rain 30 percent.
  • Forecast day icon
    Tuesday
    30% Chance Rain Showers
    87°
    Forecast night icon
    Night
    60% Chance of Storms
    71°
    Tuesday 5/21
    Day
    87°
    30% Chance Rain Showers
    Forecast day icon
    Night
    71°
    60% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy. A chance of showers. Lows in the upper 60s. Highs in the upper 80s. Chance of rain 30 percent.
    Night Details
    Partly cloudy in the evening then becoming mostly cloudy. A chance of thunderstorms. A chance of showers in the evening then showers likely after midnight. Lows in the upper 60s. Chance of rain 60 percent.
  • Forecast day icon
    Wednesday
    50% Chance of Storms
    79°
    Forecast night icon
    Night
    50% Chance of Storms
    63°
    Wednesday 5/22
    Day
    79°
    50% Chance of Storms
    Forecast day icon
    Night
    63°
    50% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Partly sunny with a chance of showers and thunderstorms. Highs in the mid 80s. Chance of rain 50 percent.
    Night Details
    A chance of thunderstorms in the evening. Partly cloudy with a chance of showers. Lows around 60. Chance of rain 50 percent.
  • Forecast day icon
    Thursday
    40% Chance Rain Showers
    79°
    Forecast night icon
    Night
    30% Chance Rain Showers
    62°
    Thursday 5/23
    Day
    79°
    40% Chance Rain Showers
    Forecast day icon
    Night
    62°
    30% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny with a chance of showers. Highs in the upper 70s. Chance of rain 40 percent.
    Night Details
    Partly cloudy with a chance of showers. Lows around 60. Chance of rain 30 percent.
  • Forecast day icon
    Friday
    40% Chance of Storms
    77°
    Forecast night icon
    Night
    50% Chance of Rain
    63°
    Friday 5/24
    Day
    77°
    40% Chance of Storms
    Forecast day icon
    Night
    63°
    50% Chance of Rain
    Forecast night icon
    Day Details
    Mostly sunny with a chance of showers. A chance of thunderstorms in the afternoon. Highs in the upper 70s. Chance of rain 40 percent.
    Night Details
    Mostly clear with a 45% chance for rain and thunderstorms. Low temperature around 63F. Dew point will be around 58F with an average humidity of 72%. Winds will be 4 mph from the SE.
  • Forecast day icon
    Saturday
    40% Chance of Rain
    81°
    Forecast night icon
    Night
    50% Chance of Rain
    66°
    Saturday 5/25
    Day
    81°
    40% Chance of Rain
    Forecast day icon
    Night
    66°
    50% Chance of Rain
    Forecast night icon
    Day Details
    Mostly sunny with a 35% chance for rain and thunderstorms. High temperature around 81F. Dew point will be around 63F with an average humidity of 70%. Winds will be 5 mph from the S.
    Night Details
    Partly cloudy with a 50% chance for rain and thunderstorms. Low temperature around 66F. Dew point will be around 64F with an average humidity of 79%. Winds will be 6 mph from the S.
  • Forecast day icon
    Sunday
    40% Chance of Storms
    82°
    Forecast night icon
    Night
    60% Chance of Rain
    68°
    Sunday 5/26
    Day
    82°
    40% Chance of Storms
    Forecast day icon
    Night
    68°
    60% Chance of Rain
    Forecast night icon
    Day Details
    Partly cloudy with a 45% chance for rain and thunderstorms. High temperature around 82F. Dew point will be around 66F with an average humidity of 73%. Winds will be 7 mph from the S.
    Night Details
    Mostly clear with a 60% chance for rain and thunderstorms. Low temperature around 68F. Dew point will be around 66F with an average humidity of 78%. Winds will be 5 mph from the S.
  • Forecast day icon
    Monday
    50% Chance of Rain
    80°
    Forecast night icon
    Night
    50% Chance of Rain
    65°
    Monday 5/27
    Day
    80°
    50% Chance of Rain
    Forecast day icon
    Night
    65°
    50% Chance of Rain
    Forecast night icon
    Day Details
    Mostly sunny with a 45% chance for rain and thunderstorms. High temperature around 80F. Dew point will be around 66F with an average humidity of 73%. Winds will be 5 mph from the SW.
    Night Details
    Mostly clear with a 50% chance for rain and thunderstorms. Low temperature around 65F. Dew point will be around 64F with an average humidity of 80%. Winds will be 2 mph from the SW.