Longmont, Colorado | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast day icon
    Wednesday
    Mostly Sunny
    57°
    Forecast night icon
    Night
    Mostly Cloudy
    40°
    Wednesday 5/8
    Day
    57°
    Mostly Sunny
    Forecast day icon
    Night
    40°
    Mostly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. High temperature around 57F. Dew point will be around 15F with an average humidity of 32%. Winds will be 4 mph from the W.
    Night Details
    Mostly cloudy. Slight chance of thunderstorms early in the evening then a slight chance of rain showers overnight. Lows in the mid 30s. Northwest winds 10 to 15 mph with gusts up to 25 mph in the evening becoming light. Chance of rain 20 percent.
  • Forecast day icon
    Thursday
    70% Chance Frozen Mix
    51°
    Forecast night icon
    Night
    60% Chance of Storms
    43°
    Thursday 5/9
    Day
    51°
    70% Chance Frozen Mix
    Forecast day icon
    Night
    43°
    60% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Chance of rain and snow showers in the morning then rain showers likely and chance of thunderstorms in the afternoon. No snow accumulation. Highs near 50. Northeast winds 10 to 15 mph with gusts up to 20 mph in the afternoon. Chance of precipitation 70 percent.
    Night Details
    Rain showers likely and chance of thunderstorms in the evening then a chance of rain showers after midnight. Lows in the upper 30s. North winds 10 to 15 mph with gusts up to 20 mph in the evening becoming light. Chance of rain 60 percent.
  • Forecast day icon
    Friday
    40% Chance of Storms
    53°
    Forecast night icon
    Night
    Mostly Cloudy
    43°
    Friday 5/10
    Day
    53°
    40% Chance of Storms
    Forecast day icon
    Night
    43°
    Mostly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy with a chance of rain showers and slight chance of thunderstorms. Highs 53 to 59. Chance of rain 40 percent.
    Night Details
    Mostly cloudy with a 20 percent chance of thunderstorms. Lows in the lower 40s.
  • Forecast day icon
    Saturday
    40% Chance of Storms
    63°
    Forecast night icon
    Night
    40% Chance of Storms
    48°
    Saturday 5/11
    Day
    63°
    40% Chance of Storms
    Forecast day icon
    Night
    48°
    40% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy with a 40 percent chance of thunderstorms. Highs in the mid to upper 60s.
    Night Details
    Mostly cloudy with a chance of showers and slight chance of thunderstorms. Lows in the mid 40s. Chance of rain 40 percent.
  • Forecast day icon
    Sunday
    60% Chance of Storms
    68°
    Forecast night icon
    Night
    30% Chance of Storms
    47°
    Sunday 5/12
    Day
    68°
    60% Chance of Storms
    Forecast day icon
    Night
    47°
    30% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Showers likely and chance of thunderstorms. Highs in the mid to upper 60s. Chance of rain 60 percent.
    Night Details
    Mostly cloudy with a chance of showers and slight chance of thunderstorms. Lows in the mid to upper 40s. Chance of rain 30 percent.
  • Forecast day icon
    Monday
    40% Chance of Storms
    72°
    Forecast night icon
    Night
    Partly Cloudy
    47°
    Monday 5/13
    Day
    72°
    40% Chance of Storms
    Forecast day icon
    Night
    47°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy with a 40 percent chance of thunderstorms. Highs in the lower to mid 70s.
    Night Details
    Partly cloudy with a 20 percent chance of thunderstorms. Lows in the upper 40s.
  • Forecast day icon
    Tuesday
    40% Chance of Storms
    74°
    Forecast night icon
    Night
    30% Chance of Storms
    50°
    Tuesday 5/14
    Day
    74°
    40% Chance of Storms
    Forecast day icon
    Night
    50°
    30% Chance of Storms
    Forecast night icon
    Day Details
    Mostly cloudy with a 40 percent chance of thunderstorms. Highs in the 70s.
    Night Details
    Mostly cloudy with a chance of showers and slight chance of thunderstorms. Lows in the upper 40s. Chance of rain 30 percent.
  • Forecast day icon
    Wednesday
    40% Chance of Storms
    66°
    Forecast night icon
    Night
    40% Chance of Rain
    49°
    Wednesday 5/15
    Day
    66°
    40% Chance of Storms
    Forecast day icon
    Night
    49°
    40% Chance of Rain
    Forecast night icon
    Day Details
    Mostly cloudy with a 40 percent chance of thunderstorms. Highs in the mid 60s to lower 70s.
    Night Details
    Partly cloudy with a chance of rain. Chance of precipitation 35%. Low temperature around 49F. Dew point will be around 39F with an average humidity of 57%. Winds will be 2 mph from the W.
  • Forecast day icon
    Thursday
    Sunny
    70°
    Forecast night icon
    Night
    Clear
    51°
    Thursday 5/16
    Day
    70°
    Sunny
    Forecast day icon
    Night
    51°
    Clear
    Forecast night icon
    Day Details
    Sunny. High temperature around 70F. Dew point will be around 37F with an average humidity of 38%. Winds will be 2 mph from the SE.
    Night Details
    Clear. Low temperature around 51F. Dew point will be around 36F with an average humidity of 45%. Winds will be 2 mph from the W.
  • Forecast day icon
    Friday
    Partly Cloudy
    74°
    Forecast night icon
    Night
    Partly Cloudy
    51°
    Friday 5/17
    Day
    74°
    Partly Cloudy
    Forecast day icon
    Night
    51°
    Partly Cloudy
    Forecast night icon
    Day Details
    Partly cloudy. High temperature around 74F. Dew point will be around 36F with an average humidity of 33%. Winds will be 2 mph from the E.
    Night Details
    Partly cloudy. Low temperature around 51F. Dew point will be around 36F with an average humidity of 43%. Winds will be 2 mph from the SW.