Colchester, Illinois | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast night icon
    Night
    Partly Cloudy
    60°
    Sunday 5/12
    Forecast night icon
    60°
    Partly Cloudy
    Hourly
    Night Details
    Partly cloudy this evening then mostly cloudy with a slight chance of showers and thunderstorms after midnight. Lows in the upper 50s. South winds 10 to 15 mph. Chance of rain 20 percent.
  • Forecast day icon
    Monday
    Thunderstorms
    71°
    Forecast night icon
    Night
    Thunderstorms
    60°
    Monday 5/13
    Day
    71°
    Thunderstorms
    Forecast day icon
    Night
    60°
    Thunderstorms
    Forecast night icon
    Hourly
    Day Details
    Showers and thunderstorms. Not as warm with highs in the lower 70s. South winds 10 to 15 mph. Chance of rain near 100 percent.
    Night Details
    Showers and thunderstorms 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 90 percent.
  • Forecast day icon
    Tuesday
    70% Chance of Storms
    64°
    Forecast night icon
    Night
    Partly Cloudy
    50°
    Tuesday 5/14
    Day
    64°
    70% Chance of Storms
    Forecast day icon
    Night
    50°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Showers likely in the morning then a chance of showers and thunderstorms in the afternoon. Highs in the upper 60s. Northeast winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 70 percent.
    Night Details
    Mostly cloudy in the evening then becoming partly cloudy. Lows in the upper 40s. Northeast winds 10 to 15 mph with gusts up to 25 mph.
  • Forecast day icon
    Wednesday
    Sunny
    71°
    Forecast night icon
    Night
    Partly Cloudy
    55°
    Wednesday 5/15
    Day
    71°
    Sunny
    Forecast day icon
    Night
    55°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Sunny. Highs in the lower 70s.
    Night Details
    Partly cloudy. Lows in the lower 50s.
  • Forecast day icon
    Thursday
    50% Chance of Storms
    69°
    Forecast night icon
    Night
    50% Chance of Storms
    59°
    Thursday 5/16
    Day
    69°
    50% Chance of Storms
    Forecast day icon
    Night
    59°
    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
    73°
    Forecast night icon
    Night
    Partly Cloudy
    59°
    Friday 5/17
    Day
    73°
    40% Chance of Storms
    Forecast day icon
    Night
    59°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly sunny with a chance of showers. A chance of thunderstorms in the afternoon. 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
    60°
    Saturday 5/18
    Day
    79°
    Sunny
    Forecast day icon
    Night
    60°
    30% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Sunny. Highs in the lower 80s.
    Night Details
    Mostly clear with a chance of showers. Lows in the upper 50s. Chance of rain 30 percent.
  • Forecast day icon
    Sunday
    30% Chance Rain Showers
    77°
    Forecast night icon
    Night
    40% Chance of Rain
    59°
    Sunday 5/19
    Day
    77°
    30% Chance Rain Showers
    Forecast day icon
    Night
    59°
    40% Chance of Rain
    Forecast night icon
    Day Details
    Mostly sunny. A chance of showers. Highs in the lower 80s. Chance of rain 30 percent.
    Night Details
    Clear with a chance of rain. Chance of precipitation 35%. Low temperature around 59F. Dew point will be around 56F with an average humidity of 73%. Winds will be 2 mph from the SW.
  • Forecast day icon
    Monday
    Sunny
    74°
    Forecast night icon
    Night
    30% Chance of Rain
    58°
    Monday 5/20
    Day
    74°
    Sunny
    Forecast day icon
    Night
    58°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Sunny. High temperature around 74F. Dew point will be around 56F with an average humidity of 64%. Winds will be 4 mph from the W.
    Night Details
    Clear with a slight chance of rain. Chance of precipitation 30%. Low temperature around 58F. Dew point will be around 54F with an average humidity of 70%. Winds will be 3 mph from the SW.
  • Forecast day icon
    Tuesday
    30% Chance of Rain
    73°
    Forecast night icon
    Night
    40% Chance of Rain
    58°
    Tuesday 5/21
    Day
    73°
    30% Chance of Rain
    Forecast day icon
    Night
    58°
    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 55F with an average humidity of 64%. Winds will be 2 mph from the NW.
    Night Details
    Partly cloudy with a chance of rain. Chance of precipitation 40%. Low temperature around 58F. Dew point will be around 55F with an average humidity of 72%. Winds will be 2 mph from the S.