Johnstown, Colorado | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
Main Menu
10 Day Forecast
  • Forecast day icon
    Thursday
    Mostly Cloudy
    62°
    Forecast night icon
    Night
    Partly Cloudy
    30°
    Thursday 3/28
    Day
    62°
    Mostly Cloudy
    Forecast day icon
    Night
    30°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy. Highs in the lower to mid 60s. South winds 10 to 15 mph with gusts up to 20 mph in the afternoon.
    Night Details
    Partly cloudy. Lows in the lower to mid 30s. Southwest winds 10 to 15 mph with gusts up to 20 mph in the evening becoming light.
  • Forecast day icon
    Friday
    30% Chance Rain Showers
    50°
    Forecast night icon
    Night
    50% Chance Rain Showers
    33°
    Friday 3/29
    Day
    50°
    30% Chance Rain Showers
    Forecast day icon
    Night
    33°
    50% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy in the morning then mostly cloudy with a chance of rain showers in the afternoon. Highs in the upper 50s. North winds 10 to 15 mph. Chance of rain 30 percent.
    Night Details
    Mostly cloudy with a 50 percent chance of rain showers. Lows in the lower 30s.
  • Forecast day icon
    Saturday
    Mostly Cloudy
    57°
    Forecast night icon
    Night
    Partly Cloudy
    33°
    Saturday 3/30
    Day
    57°
    Mostly Cloudy
    Forecast day icon
    Night
    33°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy. Highs in the lower to mid 60s.
    Night Details
    Partly cloudy with a 20 percent chance of rain showers. Lows in the lower to mid 30s.
  • Forecast day icon
    Sunday
    30% Chance Rain Showers
    57°
    Forecast night icon
    Night
    60% Chance of Storms
    34°
    Sunday 3/31
    Day
    57°
    30% Chance Rain Showers
    Forecast day icon
    Night
    34°
    60% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy with a 30 percent chance of rain showers. Highs in the 60s.
    Night Details
    Rain showers likely and slight chance of thunderstorms. Lows in the lower to mid 30s. Chance of rain 60 percent.
  • Forecast day icon
    Monday
    60% Chance Frozen Mix
    47°
    Forecast night icon
    Night
    30% Chance Frozen Mix
    30°
    Monday 4/1
    Day
    47°
    60% Chance Frozen Mix
    Forecast day icon
    Night
    30°
    30% Chance Frozen Mix
    Forecast night icon
    Hourly
    Day Details
    Rain and snow showers likely. Cooler. Highs in the upper 40s. Chance of precipitation 60 percent.
    Night Details
    Mostly cloudy with a chance of rain and snow showers. Lows in the mid to upper 20s. Chance of precipitation 30 percent.
  • Forecast day icon
    Tuesday
    Mostly Sunny
    57°
    Forecast night icon
    Night
    Mostly Clear
    32°
    Tuesday 4/2
    Day
    57°
    Mostly Sunny
    Forecast day icon
    Night
    32°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Mostly clear. Highs in the upper 50s. Lows near 30.
    Night Details
    Mostly clear. Highs in the upper 50s. Lows near 30.
  • Forecast day icon
    Wednesday
    Mostly Sunny
    65°
    Forecast night icon
    Night
    Mostly Clear
    37°
    Wednesday 4/3
    Day
    65°
    Mostly Sunny
    Forecast day icon
    Night
    37°
    Mostly Clear
    Forecast night icon
    Day Details
    Mostly sunny. Highs in the upper 60s.
    Night Details
    Mostly clear. Low temperature around 37F. Dew point will be around 35F with an average humidity of 63%. Winds will be 5 mph from the S.
  • Forecast day icon
    Thursday
    Partly Cloudy
    60°
    Forecast night icon
    Night
    Mostly Cloudy
    33°
    Thursday 4/4
    Day
    60°
    Partly Cloudy
    Forecast day icon
    Night
    33°
    Mostly Cloudy
    Forecast night icon
    Day Details
    Partly cloudy. High temperature around 60F. Dew point will be around 38F with an average humidity of 63%. Winds will be 3 mph from the SE.
    Night Details
    Mostly cloudy. Low temperature around 33F. Dew point will be around 37F with an average humidity of 83%. Winds will be 3 mph from the N.
  • Forecast day icon
    Friday
    30% Chance of Rain
    50°
    Forecast night icon
    Night
    40% Chance Frozen Mix
    28°
    Friday 4/5
    Day
    50°
    30% Chance of Rain
    Forecast day icon
    Night
    28°
    40% Chance Frozen Mix
    Forecast night icon
    Day Details
    Partly cloudy with a slight chance of rain. Chance of precipitation 30%. High temperature around 50F. Dew point will be around 37F with an average humidity of 77%. Winds will be 3 mph from the E.
    Night Details
    Cloudy with a chance of rain-snow mix. Chance of precipitation 35%. Low temperature around 28F. Dew point will be around 31F with an average humidity of 83%. Winds will be 6 mph from the NW.
  • Forecast day icon
    Saturday
    Partly Cloudy
    51°
    Forecast night icon
    Night
    Cloudy
    31°
    Saturday 4/6
    Day
    51°
    Partly Cloudy
    Forecast day icon
    Night
    31°
    Cloudy
    Forecast night icon
    Day Details
    Partly cloudy. High temperature around 51F. Dew point will be around 33F with an average humidity of 69%. Winds will be 2 mph from the NW.
    Night Details
    Cloudy. Low temperature around 31F. Dew point will be around 33F with an average humidity of 78%. Winds will be 2 mph from the NW.