Johnstown, Wisconsin | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast night icon
    Night
    Mostly Clear
    49°
    Saturday 5/11
    Forecast night icon
    49°
    Mostly Clear
    Hourly
    Night Details
    Mostly clear. Lows in the upper 40s. West winds up to 10 mph shifting to the south after midnight.
  • Forecast day icon
    Sunday
    Sunny
    79°
    Forecast night icon
    Night
    30% Chance of Storms
    61°
    Sunday 5/12
    Day
    79°
    Sunny
    Forecast day icon
    Night
    61°
    30% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Warmer sunny. A 20 percent chance of light rain showers and thunderstorms late in the afternoon. Highs in the lower 80s. Southwest winds 5 to 15 mph.
    Night Details
    Warmer. Partly cloudy through around midnight then becoming mostly cloudy. A 30 percent chance of light rain showers and thunderstorms. Lows in the upper 50s. Southwest winds 5 to 15 mph.
  • Forecast day icon
    Monday
    70% Chance of Storms
    72°
    Forecast night icon
    Night
    40% Chance of Storms
    49°
    Monday 5/13
    Day
    72°
    70% Chance of Storms
    Forecast day icon
    Night
    49°
    40% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy. Chance of light showers and slight chance of thunderstorms in the morning then showers likely and chance of thunderstorms in the afternoon. Highs in the mid 70s. Southwest winds 5 to 10 mph. Chance of precipitation 70 percent.
    Night Details
    Cooler. Mostly cloudy with a 40 percent chance of light rain showers and thunderstorms. Lows in the upper 40s. East winds 5 to 15 mph.
  • Forecast day icon
    Tuesday
    Partly Sunny
    63°
    Forecast night icon
    Night
    Clear
    44°
    Tuesday 5/14
    Day
    63°
    Partly Sunny
    Forecast day icon
    Night
    44°
    Clear
    Forecast night icon
    Hourly
    Day Details
    Partly sunny in the morning then clearing. Highs in the mid 60s.
    Night Details
    Clear. Lows in the lower 40s.
  • Forecast day icon
    Wednesday
    Sunny
    67°
    Forecast night icon
    Night
    30% Chance of Rain
    49°
    Wednesday 5/15
    Day
    67°
    Sunny
    Forecast day icon
    Night
    49°
    30% Chance of Rain
    Forecast night icon
    Hourly
    Day Details
    Sunny. Highs around 70.
    Night Details
    Partly cloudy through around midnight then becoming mostly cloudy. A 30 percent chance of light rain showers. Lows in the upper 40s.
  • Forecast day icon
    Thursday
    50% Chance of Storms
    67°
    Forecast night icon
    Night
    30% Chance of Storms
    57°
    Thursday 5/16
    Day
    67°
    50% Chance of Storms
    Forecast day icon
    Night
    57°
    30% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Partly sunny. Chance of light rain showers in the morning then chance of light rain showers and slight chance of thunderstorms in the afternoon. Highs in the lower 70s. Chance of precipitation 50 percent.
    Night Details
    Mostly cloudy through around midnight then becoming partly cloudy. A 30 percent chance of rain showers and thunderstorms. Lows in the mid 50s.
  • Forecast day icon
    Friday
    30% Chance of Storms
    71°
    Forecast night icon
    Night
    Partly Cloudy
    54°
    Friday 5/17
    Day
    71°
    30% Chance of Storms
    Forecast day icon
    Night
    54°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly sunny with chance of light rain showers and slight chance of thunderstorms. Highs in the mid 70s. Chance of precipitation 30 percent.
    Night Details
    Partly cloudy. A 20 percent chance of light rain showers and thunderstorms through around midnight. Lows in the mid 50s.
  • Forecast day icon
    Saturday
    Sunny
    74°
    Forecast night icon
    Night
    30% Chance of Rain
    55°
    Saturday 5/18
    Day
    74°
    Sunny
    Forecast day icon
    Night
    55°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Sunny. A 20 percent chance of light rain showers and thunderstorms in the afternoon. Highs around 80.
    Night Details
    Clear with a slight chance of rain. Chance of precipitation 30%. Low temperature around 55F. Dew point will be around 52F with an average humidity of 71%. Winds will be 5 mph from the W.
  • Forecast day icon
    Sunday
    30% Chance of Rain
    71°
    Forecast night icon
    Night
    30% Chance of Rain
    53°
    Sunday 5/19
    Day
    71°
    30% Chance of Rain
    Forecast day icon
    Night
    53°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Sunny with a slight chance of rain. Chance of precipitation 25%. High temperature around 71F. Dew point will be around 50F with an average humidity of 60%. Winds will be 9 mph from the W.
    Night Details
    Clear with a slight chance of rain. Chance of precipitation 25%. Low temperature around 53F. Dew point will be around 49F with an average humidity of 69%. Winds will be 3 mph from the W.
  • Forecast day icon
    Monday
    40% Chance of Rain
    70°
    Forecast night icon
    Night
    40% Chance of Rain
    56°
    Monday 5/20
    Day
    70°
    40% Chance of Rain
    Forecast day icon
    Night
    56°
    40% Chance of Rain
    Forecast night icon
    Day Details
    Sunny with a chance of rain. Chance of precipitation 40%. High temperature around 70F. Dew point will be around 49F with an average humidity of 62%. Winds will be 3 mph from the SW.
    Night Details
    Mostly clear with a chance of rain. Chance of precipitation 35%. Low temperature around 56F. Dew point will be around 51F with an average humidity of 70%. Winds will be 3 mph from the S.