Boulder, CO Weather

Boulder County4:33 PM MDT40.01°N, 105.27°WElevation 5,328 ft

Current conditions

Mostly Sunny
72°
Mostly Sunny
Feels like 72°
High 73°·Low 50°
WindE 3 mph
Humidity28%
Dew point37°
Cloud cover34%
UV index1 Low
Sunrise7:17 AM
Sunset6:16 PM

Forecast for this hour (no station report in the last two hours)

Forecast

10-day
  • Today

    Mostly sunny, with a high near 73. East northeast wind around 5 mph.

  • Tonight

    Mostly clear, with a low around 50. South wind 2 to 6 mph.

  • Wednesday

    Mostly sunny, with a high near 75. South southeast wind 1 to 7 mph.

National Weather Service forecast updated 15 hrs ago.

  1. Now Mostly Sunny 72°
  2. 5 PM Mostly Sunny 72°
  3. 6 PM Mostly Clear 68°
  4. 7 PM Partly Cloudy 62°
  5. 8 PM Mostly Clear 59°
  6. 9 PM Mostly Clear 57°
  7. 10 PM Mostly Clear 56°
  8. 11 PM Mostly Clear 54°
  9. Wed12 AM Mostly Clear 54°
  10. 1 AM Clear 53°
  11. 2 AM Clear 52°
  12. 3 AM Mostly Clear 52°
  13. 4 AM Mostly Clear 51°
  14. 5 AM Mostly Clear 51°
  15. 6 AM Mostly Sunny 51°
  16. 7 AM Mostly Sunny 50°
  17. 8 AM Mostly Sunny 52°
  18. 9 AM Mostly Sunny 57°
  19. 10 AM Sunny 65°
  20. 11 AM Sunny 68°
  21. 12 PM Sunny 70°
  22. 1 PM Mostly Sunny 73°
  23. 2 PM Mostly Sunny 74°
  24. 3 PM Mostly Sunny 75°

10-day forecast

Details
  1. TodayOct 20 Mostly Sunny Mostly Sunny50°73°
  2. WedOct 21 Mostly Sunny Mostly Sunny54°75°
  3. ThuOct 22 Mostly Cloudy then Chance Rain Showers Mostly Cloudy then Chance Rain Showers26%55°73°
  4. FriOct 23 Mostly Sunny Mostly Sunny13%46°73°
  5. SatOct 24 Chance Rain Showers Chance Rain Showers44%40°58°
  6. SunOct 25 Slight Chance Rain Showers then Sunny Slight Chance Rain Showers then Sunny15%42°62°
  7. MonOct 26 Mostly Sunny Mostly Sunny42°65°
  8. TueOct 27 Cloudy Cloudy0.14 in33°45°
  9. WedOct 28 Partly cloudy Partly cloudy31°50°
  10. ThuOct 29 Partly cloudy Partly cloudy33°49°

Days after the National Weather Service's seven are MET Norway's outlook, a computer model with no forecaster's review.

Radar

Full map
Open the National Weather Service radar (the map here needs JavaScript).

Weather news near Boulder

More weather news

Air quality

53
Moderate
Coarse particles (PM10)

Acceptable. Unusually sensitive people should consider limiting prolonged outdoor exertion.

Forecast

  • TueModerate
  • WedModerate

Denver-Boulder, CO reporting area · 1 hr ago. Data from AirNow (EPA and its state, local and tribal partners); preliminary and subject to change.

Sun & moon

Sunrise 7:17 AM
Sunset 6:16 PM
Daylight 10 h 58 min (−2 min 31 s tomorrow)
Waxing Gibbous · 72% lit
Moonrise 3:31 PM Moonset 1:20 AM
Full moon Oct 26 New moon Nov 9

Almanac

Monthly
Normal high / low64° / 36°
Record high87° (2023)
Record low19° (1916)
Wettest0.75 in (1936)
Yesterday68° / 40°
Month to date1.67 in (normal 1.01 in)

Boulder, records since 1893. Normals 1991–2020. Data from NOAA's Regional Climate Centers (ACIS).

Nearby

Forecasters' discussion

From the National Weather Service office in BOU, issued 11 hrs ago

Key Messages

- Mild temperatures through Friday. Mostly dry through early Wednesday.

- Isolated light rain/snow showers possible over the mountains Tuesday afternoon.

- A more organized system late Wednesday through early Friday, with rain showers becoming more numerous over the mountains.

- Seasonable temperatures for the weekend into next week.

Bou Watches

None.

Forecasts, observations and alerts in the United States come from the National Weather Service (NOAA); radar from NOAA's Multi-Radar Multi-Sensor system; satellite imagery from NASA's Global Imagery Browse Services (GIBS) and NOAA's GOES satellites; the map from the U.S. Geological Survey's National Map; air quality from AirNow (EPA and its partners); hurricane information from the National Hurricane Center; climate normals and records from NOAA's Regional Climate Centers (ACIS). Forecasts outside the United States and the UV index: MET Norway (CC BY 4.0); observations outside the U.S.: airport reports via NOAA's Aviation Weather Center. Place names: GeoNames (CC BY 4.0). Data are copied on a schedule and may lag the sources; for warnings that affect your safety, follow your local National Weather Service office and emergency officials. Weather news is drawn from the 4Search index and reflects what the press published. Terms of use.