NWS Forecast for: Boulder CO
Issued by: National Weather Service Denver-Boulder, CO
Last Update: 3:56 am MDT May 15, 2021
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  • Today

    Today: A 50 percent chance of showers and thunderstorms, mainly after 1pm.  Patchy fog before 9am.  Otherwise, mostly cloudy, with a high near 68. Calm wind becoming north northeast 5 to 7 mph in the afternoon.

    Patchy Fog
    then Chance
    T-storms

    High: 68 °F

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly before 11pm.  Mostly cloudy, with a low around 48. Calm wind becoming north northwest around 6 mph.

    Chance
    T-storms then
    Mostly Cloudy

    Low: 48 °F

  • Sunday

    Sunday: Showers and thunderstorms likely, mainly after noon.  Mostly cloudy, with a high near 67. Calm wind becoming northeast around 6 mph in the morning.  Chance of precipitation is 70%.

    Slight Chance
    T-storms then
    T-storms
    Likely

    High: 67 °F

  • Sunday
    Night

    Sunday Night: Showers and thunderstorms likely before 3am, then a chance of showers.  Cloudy, with a low around 49. West northwest wind around 6 mph becoming calm  in the evening.  Chance of precipitation is 70%.

    T-storms
    Likely then
    Chance
    T-storms

    Low: 49 °F

  • Monday

    Monday: A chance of showers before 9am, then a chance of showers and thunderstorms between 9am and noon, then showers and possibly a thunderstorm after noon.  High near 63. Calm wind becoming east around 6 mph in the afternoon.  Chance of precipitation is 80%.

    Chance
    Showers then
    T-storms

    High: 63 °F

  • Monday
    Night

    Monday Night: Showers likely and possibly a thunderstorm before midnight, then a chance of showers.  Mostly cloudy, with a low around 49. Chance of precipitation is 60%.

    Showers
    Likely


    Low: 49 °F

  • Tuesday

    Tuesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after noon.  Mostly cloudy, with a high near 64. Chance of precipitation is 70%.

    Chance
    Showers then
    Showers
    Likely

    High: 64 °F

  • Tuesday
    Night

    Tuesday Night: A chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 47.

    Chance
    T-storms then
    Mostly Cloudy

    Low: 47 °F

  • Wednesday

    Wednesday: A slight chance of showers, then a chance of showers and thunderstorms after noon.  Partly sunny, with a high near 70.

    Slight Chance
    Showers then
    Chance
    T-storms

    High: 70 °F



  • Today: A 50 percent chance of showers and thunderstorms, mainly after 1pm. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 68. Calm wind becoming north northeast 5 to 7 mph in the afternoon.

    Tonight: A 40 percent chance of showers and thunderstorms, mainly before 11pm. Mostly cloudy, with a low around 48. Calm wind becoming north northwest around 6 mph.

    Sunday: Showers and thunderstorms likely, mainly after noon. Mostly cloudy, with a high near 67. Calm wind becoming northeast around 6 mph in the morning. Chance of precipitation is 70%.

    Sunday Night: Showers and thunderstorms likely before 3am, then a chance of showers. Cloudy, with a low around 49. West northwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 70%.

    Monday: A chance of showers before 9am, then a chance of showers and thunderstorms between 9am and noon, then showers and possibly a thunderstorm after noon. High near 63. Calm wind becoming east around 6 mph in the afternoon. Chance of precipitation is 80%.

    Monday Night: Showers likely and possibly a thunderstorm before midnight, then a chance of showers. Mostly cloudy, with a low around 49. Chance of precipitation is 60%.

    Tuesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 64. Chance of precipitation is 70%.

    Tuesday Night: A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 47.

    Wednesday: A slight chance of showers, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 70.

    Wednesday Night: A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 49.

    Thursday: A chance of showers and thunderstorms. Partly sunny, with a high near 74.

    Thursday Night: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 50.

    Friday: A chance of showers and thunderstorms. Mostly sunny, with a high near 76.



    Boulder CO
     40.02°N 105.28°W (Elev. 5400 ft)

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