Boulder, Colorado Weather
your sport, your way
Air Sports Net on FacebookAir Sports Net on Google +Air Sports Net on TwitterReceive RSS UpdatesReceive Email Updates

Click for Hazardous Weather Outlook for Boulder, Colorado
Change location by the zip code or city,state: or search for other weather forecast locations in Colorado by name.
Weather Forecast for Boulder, Colorado : Boulder County
Issued: 3:59 am MDT May 9, 2025 Latitude: 40.0149856 Longitude: -105.2705456 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Saturday Sunday Monday Tuesday Wednesday Thursday
20% chance of thunderstorms on Today Cloudy on Tonight Sunny on Saturday 20% chance of thunderstorms on Sunday Mostly Sunny on Monday Mostly Sunny on Tuesday 10% chance of thunderstorms on Wednesday 10% chance of thunderstorms on Thursday
High: 73°F Low: 48°F High: 78°F High: 82°F High: 85°F High: 84°F High: 74°F High: 70°F
Low: 52°F Low: 55°F Low: 55°F Low: 51°F Low: 47°F  
Thunderstorms Cloudy Sunny Thunderstorms Mostly Sunny Mostly Sunny Thunderstorms Thunderstorms
-
20% chance of thunderstorms Today Today... A slight chance of showers and thunderstorms between 1pm and 5pm. Mostly sunny, with a high near 73. Calm wind becoming northeast around 6 mph in the afternoon. Chance of precipitation is 20%.
Cloudy on Tonight Tonight... Partly cloudy, with a low around 48. Northeast wind around 5 mph becoming calm in the evening.
Sunny on Saturday Saturday... Sunny, with a high near 78. Calm wind becoming east southeast around 6 mph in the afternoon.
Mostly Clear on Saturday Night Saturday Night... Mostly clear, with a low around 52. Southeast wind around 6 mph becoming light and variable after midnight.
20% chance of thunderstorms Sunday Sunday... A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 82. Calm wind becoming south around 6 mph in the afternoon.
Mostly Cloudy on Sunday Night Sunday Night... Mostly cloudy, with a low around 55.
Mostly Sunny on Monday Monday... Mostly sunny, with a high near 85.
Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 55.
Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 84.
Cloudy on Tuesday Night Tuesday Night... Partly cloudy, with a low around 51.
10% chance of thunderstorms Wednesday Wednesday... A slight chance of showers and thunderstorms. Mostly sunny, with a high near 74.
10% chance of rain Wednesday Night Wednesday Night... A slight chance of showers. Partly cloudy, with a low around 47.
10% chance of thunderstorms Thursday Thursday... A slight chance of showers and thunderstorms. Mostly sunny, with a high near 70.
Sun Almanac for Boulder, Colorado
Sunrise: 05:51 AM
Sunset: 8:04 PM
Civil Sunrise:05:21 AM
Civil Sunset: 8:34 PM
Nautical Sunrise: 04:44 AM
Nautical Sunset: 9:11 PM
Astro Sunrise: 04:03 AM
Astro Sunset: 9:52 PM
Any use of the information on this page is at your own risk. This information should not be relied upon in life-threatening situations, potential financial loss situations or in lieu of any officially disseminated information. Visit the National Weather Service for official information.