10-Day Weather Forecast - Johnstown, CO

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  • |64°F
    40% Chance of Storms

    Tonight

    64°F

    Mostly cloudy. Areas of smoke through the night. Chance of thunderstorms in the evening. Chance of showers and slight chance of thunderstorms after midnight. Some thunderstorms may be severe with damaging winds and large hail. Some thunderstorms may be severe with damaging winds and large hail. Lows in the mid 50s. East winds 10 to 15 mph with gusts up to 25 mph in the evening becoming light. Chance of rain 40 percent.

    Hourly details
  • 84|61°F
    40% Chance of Storms

    Day

    84°F

    Partly cloudy. Areas of smoke through the day. Chance of thunderstorms in the afternoon. Some thunderstorms may be severe with damaging winds and large hail. Highs 82 to 88. Southeast winds 10 to 20 mph with gusts up to 30 mph. Chance of precipitation 40 percent.

    Night

    61°F

    Showers likely and chance of thunderstorms in the evening then a chance of showers and slight chance of thunderstorms after midnight. Areas of smoke through the night. Some thunderstorms may be severe with damaging winds and large hail. Some thunderstorms may be severe with damaging winds and large hail. Lows in the mid 50s. East winds 10 to 20 mph. Gusts up to 30 mph in the evening. Chance of rain 70 percent.

    Hourly details
  • 76|58°F
    70% Chance of Storms

    Day

    76°F

    Showers likely and chance of thunderstorms. Some thunderstorms may be severe with damaging winds and large hail. Highs 75 to 81. East winds 10 to 15 mph with gusts up to 20 mph. Chance of rain 70 percent.

    Night

    58°F

    Showers likely and chance of thunderstorms. Some thunderstorms may be severe with damaging winds and large hail. Lows in the mid 50s. Southeast winds 10 to 15 mph with gusts up to 20 mph. Chance of rain 60 percent.

    Hourly details
  • 88|59°F
    Partly Cloudy

    Day

    88°F

    Partly cloudy with a 10 percent chance of thunderstorms. Highs near 90.

    Night

    59°F

    Partly cloudy with a 20 percent chance of thunderstorms. Lows 57 to 63.

    Hourly details
  • 93|60°F
    Partly Cloudy

    Day

    93°F

    Partly cloudy. Highs in the lower to mid 90s.

    Night

    60°F

    Mostly clear. Lows 55 to 62. Highs 87 to 95.

    Hourly details
  • 94|57°F
    Mostly Sunny

    Day

    94°F

    Mostly clear. Lows 55 to 62. Highs 87 to 95.

    Night

    57°F

    Mostly clear. Lows 55 to 62. Highs 87 to 95.

    Hourly details
  • 89|59°F
    Mostly Sunny

    Day

    89°F

    Mostly clear. Lows 55 to 62. Highs 87 to 95.

    Night

    59°F

    Partly cloudy with a 20 percent chance of thunderstorms. Lows in the mid to upper 50s.

    Hourly details
  • 89|62°F
    Mostly Sunny

    Day

    89°F

    Mostly sunny. Highs in the lower to mid 90s.

    Night

    62°F

    Partly cloudy. Low temperature around 62F. Dew point will be around 49F with an average humidity of 48%. Winds will be 5 mph from the NW.

  • 90|62°F
    Mostly Sunny

    Day

    90°F

    Mostly sunny. High temperature around 90F. Dew point will be around 52F with an average humidity of 37%. Winds will be 5 mph from the SE.

    Night

    62°F

    Partly cloudy. Low temperature around 62F. Dew point will be around 51F with an average humidity of 51%. Winds will be 4 mph from the NW.

  • 92|64°F
    Mostly Sunny

    Day

    92°F

    Mostly sunny. High temperature around 92F. Dew point will be around 55F with an average humidity of 39%. Winds will be 6 mph from the SE.

    Night

    64°F

    Partly cloudy. Low temperature around 64F. Dew point will be around 53F with an average humidity of 51%. Winds will be 5 mph from the NW.