Johnstown, Wisconsin | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast day icon
    Friday
    Sunny
    70°
    Forecast night icon
    Night
    Clear
    48°
    Friday 5/3
    Day
    70°
    Sunny
    Forecast day icon
    Night
    48°
    Clear
    Forecast night icon
    Hourly
    Day Details
    Sunny. Highs in the lower 70s. North winds 5 to 10 mph.
    Night Details
    Clear. Lows in the mid 40s. East winds 5 to 10 mph.
  • Forecast day icon
    Saturday
    40% Chance of Storms
    74°
    Forecast night icon
    Night
    40% Chance of Storms
    48°
    Saturday 5/4
    Day
    74°
    40% Chance of Storms
    Forecast day icon
    Night
    48°
    40% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny in the morning then mostly cloudy with a 40 percent chance of rain showers and thunderstorms in the afternoon. Highs in the mid 70s. South winds 5 to 10 mph shifting to the southwest in the afternoon.
    Night Details
    Mostly cloudy with a 40 percent chance of light rain showers and thunderstorms through around midnight then mostly clear after midnight. Lows in the upper 40s. Northwest winds 10 to 15 mph.
  • Forecast day icon
    Sunday
    Sunny
    67°
    Forecast night icon
    Night
    Partly Cloudy
    46°
    Sunday 5/5
    Day
    67°
    Sunny
    Forecast day icon
    Night
    46°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Sunny. Highs in the upper 60s. Northeast winds 5 to 10 mph.
    Night Details
    Partly cloudy. Lows in the mid 40s.
  • Forecast day icon
    Monday
    Mostly Sunny
    70°
    Forecast night icon
    Night
    70% Chance of Storms
    57°
    Monday 5/6
    Day
    70°
    Mostly Sunny
    Forecast day icon
    Night
    57°
    70% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. A 20 percent chance of light rain showers in the afternoon. Highs in the lower 70s.
    Night Details
    Partly cloudy with slight chance of light rain showers through around midnight then mostly cloudy with light rain showers likely and chance of thunderstorms after midnight. Warmer. Lows in the upper 50s. Chance of precipitation 70 percent.
  • Forecast day icon
    Tuesday
    80% Chance of Storms
    76°
    Forecast night icon
    Night
    50% Chance of Storms
    57°
    Tuesday 5/7
    Day
    76°
    80% Chance of Storms
    Forecast day icon
    Night
    57°
    50% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Light rain showers and chance of thunderstorms. Highs in the mid 70s. Chance of precipitation 80 percent.
    Night Details
    Partly cloudy with a 50 percent chance of light rain showers and thunderstorms. Lows in the mid 50s.
  • Forecast day icon
    Wednesday
    50% Chance of Storms
    72°
    Forecast night icon
    Night
    30% Chance of Storms
    53°
    Wednesday 5/8
    Day
    72°
    50% Chance of Storms
    Forecast day icon
    Night
    53°
    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 mid 70s. Chance of precipitation 50 percent.
    Night Details
    Partly cloudy. Chance of light rain showers and slight chance of thunderstorms through around midnight. Lows in the lower 50s. Chance of precipitation 30 percent.
  • Forecast day icon
    Thursday
    30% Chance of Storms
    65°
    Forecast night icon
    Night
    30% Chance of Rain
    50°
    Thursday 5/9
    Day
    65°
    30% Chance of Storms
    Forecast day icon
    Night
    50°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Mostly sunny. Chance of light rain showers and slight chance of thunderstorms in the afternoon. Highs around 70. Chance of precipitation 30 percent.
    Night Details
    Partly cloudy with a slight chance of rain. Chance of precipitation 30%. Low temperature around 50F. Dew point will be around 47F with an average humidity of 77%. Winds will be 8 mph from the NW.
  • Forecast day icon
    Friday
    40% Chance of Rain
    59°
    Forecast night icon
    Night
    30% Chance of Rain
    44°
    Friday 5/10
    Day
    59°
    40% Chance of Rain
    Forecast day icon
    Night
    44°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Mostly cloudy with a chance of rain. Chance of precipitation 40%. High temperature around 59F. Dew point will be around 46F with an average humidity of 71%. Winds will be 10 mph from the NW.
    Night Details
    Partly cloudy with a slight chance of rain. Chance of precipitation 30%. Low temperature around 44F. Dew point will be around 42F with an average humidity of 76%. Winds will be 8 mph from the NW.
  • Forecast day icon
    Saturday
    30% Chance of Rain
    60°
    Forecast night icon
    Night
    Mostly Clear
    44°
    Saturday 5/11
    Day
    60°
    30% Chance of Rain
    Forecast day icon
    Night
    44°
    Mostly Clear
    Forecast night icon
    Day Details
    Sunny with a slight chance of rain. Chance of precipitation 30%. High temperature around 60F. Dew point will be around 40F with an average humidity of 61%. Winds will be 12 mph from the NW.
    Night Details
    Mostly clear. Low temperature around 44F. Dew point will be around 41F with an average humidity of 73%. Winds will be 6 mph from the NW.
  • Forecast day icon
    Sunday
    30% Chance of Rain
    63°
    Forecast night icon
    Night
    Clear
    46°
    Sunday 5/12
    Day
    63°
    30% Chance of Rain
    Forecast day icon
    Night
    46°
    Clear
    Forecast night icon
    Day Details
    Sunny with a slight chance of rain. Chance of precipitation 30%. High temperature around 63F. Dew point will be around 41F with an average humidity of 60%. Winds will be 9 mph from the NW.
    Night Details
    Clear. Low temperature around 46F. Dew point will be around 43F with an average humidity of 70%. Winds will be 3 mph from the NW.