Longmont, Colorado | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
Main Menu
10 Day Forecast
  • Forecast night icon
    Night
    50% Chance of Rain
    53°
    Monday 5/13
    Forecast night icon
    53°
    50% Chance of Rain
    Hourly
    Night Details
    Partly cloudy with a chance of rain. Chance of precipitation 50%. Low temperature around 53F. Dew point will be around 37F with an average humidity of 54%. Winds will be 3 mph from the W.
  • Forecast day icon
    Tuesday
    30% Chance of Storms
    77°
    Forecast night icon
    Night
    40% Chance of Storms
    48°
    Tuesday 5/14
    Day
    77°
    30% Chance of Storms
    Forecast day icon
    Night
    48°
    40% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy. Chance of thunderstorms in the afternoon. Highs in the mid to upper 70s. Northwest winds 10 to 15 mph with gusts up to 30 mph in the afternoon. Chance of precipitation 30 percent.
    Night Details
    Mostly cloudy. Chance of thunderstorms in the evening then a slight chance of thunderstorms after midnight. Lows in the upper 40s. West winds 10 to 15 mph with gusts up to 25 mph in the evening becoming light. Chance of precipitation 40 percent.
  • Forecast day icon
    Wednesday
    70% Chance of Storms
    64°
    Forecast night icon
    Night
    50% Chance of Storms
    45°
    Wednesday 5/15
    Day
    64°
    70% Chance of Storms
    Forecast day icon
    Night
    45°
    50% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Slight chance of thunderstorms in the morning then showers likely and chance of thunderstorms in the afternoon. Highs in the lower to mid 60s. Northeast winds 10 to 15 mph with gusts up to 20 mph in the afternoon. Chance of rain 70 percent.
    Night Details
    Mostly cloudy with a 50 percent chance of thunderstorms. Lows in the mid 40s.
  • Forecast day icon
    Thursday
    Partly Cloudy
    68°
    Forecast night icon
    Night
    Partly Cloudy
    48°
    Thursday 5/16
    Day
    68°
    Partly Cloudy
    Forecast day icon
    Night
    48°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy with a 20 percent chance of thunderstorms. Highs near 70.
    Night Details
    Partly cloudy with a 20 percent chance of thunderstorms. Lows in the upper 40s.
  • Forecast day icon
    Friday
    Mostly Sunny
    79°
    Forecast night icon
    Night
    Mostly Clear
    51°
    Friday 5/17
    Day
    79°
    Mostly Sunny
    Forecast day icon
    Night
    51°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny with a 10 percent chance of thunderstorms. Highs near 80.
    Night Details
    Mostly clear. Lows in the lower 50s.
  • Forecast day icon
    Saturday
    Mostly Sunny
    82°
    Forecast night icon
    Night
    Partly Cloudy
    51°
    Saturday 5/18
    Day
    82°
    Mostly Sunny
    Forecast day icon
    Night
    51°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny with a 20 percent chance of thunderstorms. Highs near 80.
    Night Details
    Partly cloudy. Lows around 50.
  • Forecast day icon
    Sunday
    Partly Cloudy
    70°
    Forecast night icon
    Night
    Partly Cloudy
    50°
    Sunday 5/19
    Day
    70°
    Partly Cloudy
    Forecast day icon
    Night
    50°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy with a 20 percent chance of thunderstorms. Highs in the mid 70s to lower 80s.
    Night Details
    Partly cloudy with a 10 percent chance of thunderstorms. Lows near 50.
  • Forecast day icon
    Monday
    Partly Cloudy
    78°
    Forecast night icon
    Night
    50% Chance of Rain
    49°
    Monday 5/20
    Day
    78°
    Partly Cloudy
    Forecast day icon
    Night
    49°
    50% Chance of Rain
    Forecast night icon
    Day Details
    Partly cloudy with a 20 percent chance of thunderstorms. Highs in the mid to upper 70s.
    Night Details
    Partly cloudy with a chance of rain. Chance of precipitation 50%. Low temperature around 49F. Dew point will be around 33F with an average humidity of 44%. Winds will be 3 mph from the NW.
  • Forecast day icon
    Tuesday
    50% Chance of Rain
    68°
    Forecast night icon
    Night
    30% Chance of Rain
    47°
    Tuesday 5/21
    Day
    68°
    50% Chance of Rain
    Forecast day icon
    Night
    47°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Partly cloudy with a chance of rain. Chance of precipitation 45%. High temperature around 68F. Dew point will be around 40F with an average humidity of 45%. Winds will be 3 mph from the E.
    Night Details
    Mostly cloudy with a slight chance of rain. Chance of precipitation 30%. Low temperature around 47F. Dew point will be around 37F with an average humidity of 54%. Winds will be 2 mph from the W.
  • Forecast day icon
    Wednesday
    Mostly Sunny
    72°
    Forecast night icon
    Night
    Partly Cloudy
    49°
    Wednesday 5/22
    Day
    72°
    Mostly Sunny
    Forecast day icon
    Night
    49°
    Partly Cloudy
    Forecast night icon
    Day Details
    Mostly sunny. High temperature around 72F. Dew point will be around 35F with an average humidity of 35%. Winds will be 3 mph from the E.
    Night Details
    Partly cloudy. Low temperature around 49F. Dew point will be around 36F with an average humidity of 45%. Winds will be 2 mph from the W.
  • Forecast day icon
    Thursday
    Mostly Sunny
    71°
    Forecast night icon
    Night
    30% Chance of Rain
    48°
    Thursday 5/23
    Day
    71°
    Mostly Sunny
    Forecast day icon
    Night
    48°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Mostly sunny. High temperature around 71F. Dew point will be around 35F with an average humidity of 35%. Winds will be 3 mph from the W.
    Night Details
    Mostly cloudy with a slight chance of rain. Chance of precipitation 25%. Low temperature around 48F. Dew point will be around 35F with an average humidity of 47%. Winds will be 3 mph from the W.