Longmont, Colorado | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast night icon
    Night
    Windy
    43°
    Monday 5/6
    Forecast night icon
    43°
    Windy
    Hourly
    Night Details
    Partly cloudy. Slight chance of thunderstorms early in the evening. Very windy. Lows near 40. West winds 25 to 40 mph with gusts up to 60 mph becoming southwest 15 to 25 mph with gusts up to 35 mph after midnight. Chance of precipitation 10 percent.
  • Forecast day icon
    Tuesday
    Windy
    57°
    Forecast night icon
    Night
    Mostly Clear
    36°
    Tuesday 5/7
    Day
    57°
    Windy
    Forecast day icon
    Night
    36°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy with a slight chance of showers in the morning then mostly cloudy with a slight chance of thunderstorms in the afternoon. Windy. Highs near 60. West winds 10 to 20 mph increasing to 20 to 30 mph in the afternoon. Gusts up to 40 mph. Chance of rain 20 percent.
    Night Details
    Mostly clear. Lows in the lower 30s. West winds 15 to 25 mph. Gusts up to 40 mph decreasing to 30 mph after midnight.
  • Forecast day icon
    Wednesday
    Partly Cloudy
    56°
    Forecast night icon
    Night
    Mostly Cloudy
    36°
    Wednesday 5/8
    Day
    56°
    Partly Cloudy
    Forecast day icon
    Night
    36°
    Mostly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy. Highs in the mid 50s to lower 60s. West winds 15 to 25 mph with gusts up to 35 mph.
    Night Details
    Mostly cloudy with a 20 percent chance of rain showers. Lows in the upper 30s. Northwest winds 10 to 15 mph with gusts up to 30 mph.
  • Forecast day icon
    Thursday
    70% Chance of Storms
    54°
    Forecast night icon
    Night
    30% Chance of Storms
    42°
    Thursday 5/9
    Day
    54°
    70% Chance of Storms
    Forecast day icon
    Night
    42°
    30% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Rain showers likely and slight chance of thunderstorms. Highs in the lower to mid 50s. Chance of rain 70 percent.
    Night Details
    Mostly cloudy with a chance of showers and slight chance of thunderstorms. Lows in the upper 30s. Highs near 60. Chance of rain 30 percent.
  • Forecast day icon
    Friday
    30% Chance of Storms
    59°
    Forecast night icon
    Night
    Partly Cloudy
    38°
    Friday 5/10
    Day
    59°
    30% Chance of Storms
    Forecast day icon
    Night
    38°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy with a chance of showers and slight chance of thunderstorms. Lows in the upper 30s. Highs near 60. Chance of rain 30 percent.
    Night Details
    Partly cloudy. Lows in the lower 40s.
  • Forecast day icon
    Saturday
    Partly Cloudy
    68°
    Forecast night icon
    Night
    Partly Cloudy
    41°
    Saturday 5/11
    Day
    68°
    Partly Cloudy
    Forecast day icon
    Night
    41°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy with a 20 percent chance of thunderstorms. Highs near 70. Lows in the mid 40s.
    Night Details
    Partly cloudy with a 20 percent chance of thunderstorms. Highs near 70. Lows in the mid 40s.
  • Forecast day icon
    Sunday
    40% Chance of Storms
    74°
    Forecast night icon
    Night
    Partly Cloudy
    49°
    Sunday 5/12
    Day
    74°
    40% Chance of Storms
    Forecast day icon
    Night
    49°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy with a 40 percent chance of thunderstorms. Highs near 70.
    Night Details
    Partly cloudy with a 20 percent chance of thunderstorms. Lows in the mid 40s.
  • Forecast day icon
    Monday
    40% Chance of Storms
    72°
    Forecast night icon
    Night
    Partly Cloudy
    51°
    Monday 5/13
    Day
    72°
    40% Chance of Storms
    Forecast day icon
    Night
    51°
    Partly Cloudy
    Forecast night icon
    Day Details
    Partly cloudy with a 40 percent chance of thunderstorms. Highs in the lower to mid 70s.
    Night Details
    Partly cloudy. Low temperature around 51F. Dew point will be around 38F with an average humidity of 52%. Winds will be 4 mph from the W.
  • Forecast day icon
    Tuesday
    Partly Cloudy
    72°
    Forecast night icon
    Night
    40% Chance of Rain
    50°
    Tuesday 5/14
    Day
    72°
    Partly Cloudy
    Forecast day icon
    Night
    50°
    40% Chance of Rain
    Forecast night icon
    Day Details
    Partly cloudy. High temperature around 72F. Dew point will be around 37F with an average humidity of 36%. Winds will be 4 mph from the E.
    Night Details
    Partly cloudy with a chance of rain. Chance of precipitation 35%. Low temperature around 50F. Dew point will be around 39F with an average humidity of 51%. Winds will be 4 mph from the W.
  • Forecast day icon
    Wednesday
    Partly Cloudy
    73°
    Forecast night icon
    Night
    Partly Cloudy
    51°
    Wednesday 5/15
    Day
    73°
    Partly Cloudy
    Forecast day icon
    Night
    51°
    Partly Cloudy
    Forecast night icon
    Day Details
    Partly cloudy. High temperature around 73F. Dew point will be around 37F with an average humidity of 35%. Winds will be 4 mph from the E.
    Night Details
    Partly cloudy. Low temperature around 51F. Dew point will be around 39F with an average humidity of 49%. Winds will be 4 mph from the NW.