Port Byron, Illinois | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast night icon
    Night
    Partly Cloudy
    42°
    Thursday 3/28
    Forecast night icon
    42°
    Partly Cloudy
    Hourly
    Night Details
    Partly cloudy late this evening then becoming mostly cloudy. Lows in the mid 30s. Northeast winds around 5 mph.
  • Forecast day icon
    Friday
    Partly Sunny
    64°
    Forecast night icon
    Night
    60% Chance of Storms
    56°
    Friday 3/29
    Day
    64°
    Partly Sunny
    Forecast day icon
    Night
    56°
    60% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Partly sunny. Warmer with highs in the mid 60s. Southeast winds 10 to 15 mph.
    Night Details
    Showers likely with a chance of thunderstorms in the evening. Not as cool with lows in the upper 40s. Southeast winds 10 to 15 mph becoming southwest after midnight. Chance of rain 60 percent.
  • Forecast day icon
    Saturday
    Partly Sunny
    56°
    Forecast night icon
    Night
    Mostly Cloudy
    42°
    Saturday 3/30
    Day
    56°
    Partly Sunny
    Forecast day icon
    Night
    42°
    Mostly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly sunny. Highs in the lower 60s. Northwest winds 10 to 15 mph.
    Night Details
    Mostly cloudy. Lows in the upper 30s. North winds 5 to 10 mph becoming northeast after midnight.
  • Forecast day icon
    Sunday
    60% Chance Rain Showers
    49°
    Forecast night icon
    Night
    80% Chance of Storms
    44°
    Sunday 3/31
    Day
    49°
    60% Chance Rain Showers
    Forecast day icon
    Night
    44°
    80% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Partly sunny with a chance of showers in the morning then mostly cloudy with showers likely in the afternoon. Highs in the mid 50s. Chance of rain 60 percent.
    Night Details
    A chance of thunderstorms. Showers. Lows in the lower 40s. Chance of rain 80 percent.
  • Forecast day icon
    Monday
    80% Chance of Storms
    50°
    Forecast night icon
    Night
    50% Chance of Storms
    41°
    Monday 4/1
    Day
    50°
    80% Chance of Storms
    Forecast day icon
    Night
    41°
    50% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Rain in the morning then rain likely with a chance of thunderstorms in the afternoon. Highs in the mid 50s. Chance of rain 80 percent.
    Night Details
    A chance of thunderstorms in the evening. Mostly cloudy with a chance of rain. Lows in the upper 30s. Chance of rain 50 percent.
  • Forecast day icon
    Tuesday
    50% Chance of Rain
    47°
    Forecast night icon
    Night
    Partly Cloudy
    38°
    Tuesday 4/2
    Day
    47°
    50% Chance of Rain
    Forecast day icon
    Night
    38°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly sunny. A chance of rain in the morning. Highs in the lower 50s. Chance of rain 50 percent.
    Night Details
    Partly cloudy. Lows in the lower 30s. Highs in the lower 50s.
  • Forecast day icon
    Wednesday
    Partly Cloudy
    50°
    Forecast night icon
    Night
    Mostly Clear
    38°
    Wednesday 4/3
    Day
    50°
    Partly Cloudy
    Forecast day icon
    Night
    38°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy. Lows in the lower 30s. Highs in the lower 50s.
    Night Details
    Mostly clear. Lows in the mid 30s. Highs in the lower 60s.
  • Forecast day icon
    Thursday
    Mostly Sunny
    61°
    Forecast night icon
    Night
    Clear
    47°
    Thursday 4/4
    Day
    61°
    Mostly Sunny
    Forecast day icon
    Night
    47°
    Clear
    Forecast night icon
    Day Details
    Mostly clear. Lows in the mid 30s. Highs in the lower 60s.
    Night Details
    Clear. Low temperature around 47F. Dew point will be around 37F with an average humidity of 59%. Winds will be 4 mph from the S.
  • Forecast day icon
    Friday
    Sunny
    63°
    Forecast night icon
    Night
    Mostly Clear
    48°
    Friday 4/5
    Day
    63°
    Sunny
    Forecast day icon
    Night
    48°
    Mostly Clear
    Forecast night icon
    Day Details
    Sunny. High temperature around 63F. Dew point will be around 41F with an average humidity of 58%. Winds will be 5 mph from the S.
    Night Details
    Mostly clear. Low temperature around 48F. Dew point will be around 41F with an average humidity of 59%. Winds will be 5 mph from the SE.
  • Forecast day icon
    Saturday
    Partly Cloudy
    61°
    Forecast night icon
    Night
    Partly Cloudy
    48°
    Saturday 4/6
    Day
    61°
    Partly Cloudy
    Forecast day icon
    Night
    48°
    Partly Cloudy
    Forecast night icon
    Day Details
    Partly cloudy. High temperature around 61F. Dew point will be around 42F with an average humidity of 60%. Winds will be 6 mph from the S.
    Night Details
    Partly cloudy. Low temperature around 48F. Dew point will be around 42F with an average humidity of 66%. Winds will be 4 mph from the SE.