Johnstown, Wisconsin | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast night icon
    Night
    50% Chance of Storms
    59°
    Sunday 5/19
    Forecast night icon
    59°
    50% Chance of Storms
    Hourly
    Night Details
    Mostly cloudy. A 50 percent chance of light rain showers and thunderstorms early in the morning. Lows in the upper 50s. Southeast winds 5 to 10 mph.
  • Forecast day icon
    Monday
    70% Chance of Storms
    74°
    Forecast night icon
    Night
    50% Chance of Storms
    62°
    Monday 5/20
    Day
    74°
    70% Chance of Storms
    Forecast day icon
    Night
    62°
    50% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy. Chance of light showers and thunderstorms in the morning then showers and thunderstorms likely in the afternoon. Highs in the lower 80s. Southwest winds 10 to 15 mph. Chance of precipitation 70 percent.
    Night Details
    Partly cloudy with a 50 percent chance of light showers and thunderstorms. Lows in the lower 60s. South winds 5 to 10 mph.
  • Forecast day icon
    Tuesday
    50% Chance of Storms
    81°
    Forecast night icon
    Night
    80% Chance of Storms
    62°
    Tuesday 5/21
    Day
    81°
    50% Chance of Storms
    Forecast day icon
    Night
    62°
    80% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Partly sunny with a 50 percent chance of light showers and thunderstorms. Highs in the mid 80s. South winds 5 to 20 mph.
    Night Details
    Mostly cloudy with showers and thunderstorms through around midnight then partly cloudy with chance of light showers and thunderstorms after midnight. Lows in the upper 50s. Southwest winds 15 to 20 mph. Chance of precipitation 80 percent.
  • Forecast day icon
    Wednesday
    Mostly Sunny
    70°
    Forecast night icon
    Night
    Mostly Clear
    53°
    Wednesday 5/22
    Day
    70°
    Mostly Sunny
    Forecast day icon
    Night
    53°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. A 20 percent chance of light showers in the afternoon. Cooler. Highs in the lower 70s.
    Night Details
    Mostly clear. Lows around 50.
  • Forecast day icon
    Thursday
    Sunny
    73°
    Forecast night icon
    Night
    Mostly Clear
    53°
    Thursday 5/23
    Day
    73°
    Sunny
    Forecast day icon
    Night
    53°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Sunny. Highs in the mid 70s.
    Night Details
    Mostly clear. Lows around 50.
  • Forecast day icon
    Friday
    30% Chance of Rain
    76°
    Forecast night icon
    Night
    50% Chance of Storms
    58°
    Friday 5/24
    Day
    76°
    30% Chance of Rain
    Forecast day icon
    Night
    58°
    50% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. A 30 percent chance of light rain showers in the afternoon. Highs in the mid 70s.
    Night Details
    Mostly cloudy with chance of light rain showers and slight chance of thunderstorms. Lows in the mid 50s. Chance of precipitation 50 percent.
  • Forecast day icon
    Saturday
    40% Chance of Storms
    74°
    Forecast night icon
    Night
    30% Chance of Storms
    56°
    Saturday 5/25
    Day
    74°
    40% Chance of Storms
    Forecast day icon
    Night
    56°
    30% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Partly sunny with a 40 percent chance of light rain showers and thunderstorms. Highs in the mid 70s.
    Night Details
    Partly cloudy with a 30 percent chance of rain showers and thunderstorms. Lows in the mid 50s.
  • Forecast day icon
    Sunday
    30% Chance of Rain
    74°
    Forecast night icon
    Night
    50% Chance of Rain
    60°
    Sunday 5/26
    Day
    74°
    30% Chance of Rain
    Forecast day icon
    Night
    60°
    50% Chance of Rain
    Forecast night icon
    Day Details
    Partly sunny with a 30 percent chance of light rain showers. Highs in the mid 70s.
    Night Details
    Mostly clear with a chance of rain. Chance of precipitation 45%. Low temperature around 60F. Dew point will be around 53F with an average humidity of 68%. Winds will be 4 mph from the SE.
  • Forecast day icon
    Monday
    50% Chance of Rain
    73°
    Forecast night icon
    Night
    40% Chance of Rain
    58°
    Monday 5/27
    Day
    73°
    50% Chance of Rain
    Forecast day icon
    Night
    58°
    40% Chance of Rain
    Forecast night icon
    Day Details
    Mostly cloudy with a 50% chance for rain and thunderstorms. High temperature around 73F. Dew point will be around 56F with an average humidity of 65%. Winds will be 3 mph from the S.
    Night Details
    Mostly clear with a 35% chance for rain and thunderstorms. Low temperature around 58F. Dew point will be around 53F with an average humidity of 70%. Winds will be 1 mph from the SW.
  • Forecast day icon
    Tuesday
    30% Chance of Rain
    70°
    Forecast night icon
    Night
    30% Chance of Rain
    56°
    Tuesday 5/28
    Day
    70°
    30% Chance of Rain
    Forecast day icon
    Night
    56°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Mostly cloudy with a slight chance of rain. Chance of precipitation 30%. High temperature around 70F. Dew point will be around 53F with an average humidity of 66%. Winds will be 4 mph from the W.
    Night Details
    Partly cloudy with a slight chance of rain. Chance of precipitation 25%. Low temperature around 56F. Dew point will be around 51F with an average humidity of 72%. Winds will be 4 mph from the W.