Boulder, CO 80305 Weather

Boulder County9:21 AM MDT39.98°N, 105.25°W

Current conditions

Clear
48°
Clear
Feels like 48°
High 73°·Low 50°
WindCalm
Humidity62%
Dew point36°
Pressure30.18 inHg
Visibility10.0 mi
Cloud cover48%
UV index1 Low
Sunrise7:17 AM
Sunset6:16 PM

Observed at Boulder Municipal Airport · 1 hr ago

Forecast

10-day
  • Today

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

  • Tonight

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

  • Wednesday

    Mostly sunny, with a high near 75. Southeast wind 1 to 6 mph.

National Weather Service forecast updated 8 hrs ago.

  1. Now Mostly Sunny 54°
  2. 10 AM Mostly Sunny 62°
  3. 11 AM Mostly Sunny 65°
  4. 12 PM Mostly Sunny 69°
  5. 1 PM Mostly Sunny 71°
  6. 2 PM Mostly Sunny 72°
  7. 3 PM Mostly Sunny 73°
  8. 4 PM Mostly Sunny 72°
  9. 5 PM Mostly Sunny 72°
  10. 6 PM Partly Cloudy 67°
  11. 7 PM Partly Cloudy 63°
  12. 8 PM Mostly Clear 60°
  13. 9 PM Mostly Clear 58°
  14. 10 PM Mostly Clear 56°
  15. 11 PM Mostly Clear 55°
  16. Wed12 AM Mostly Clear 53°
  17. 1 AM Clear 52°
  18. 2 AM Clear 52°
  19. 3 AM Mostly Clear 51°
  20. 4 AM Mostly Clear 51°
  21. 5 AM Mostly Clear 51°
  22. 6 AM Mostly Sunny 51°
  23. 7 AM Mostly Sunny 50°
  24. 8 AM Mostly Sunny 52°

10-day forecast

Details
  1. TodayOct 20 Mostly Sunny Mostly Sunny50°73°
  2. WedOct 21 Mostly Sunny Mostly Sunny10%53°75°
  3. ThuOct 22 Mostly Cloudy then Slight Chance Rain Showers Mostly Cloudy then Slight Chance Rain Showers22%55°73°
  4. FriOct 23 Mostly Sunny Mostly Sunny12%45°73°
  5. SatOct 24 Chance Rain Showers Chance Rain Showers43%39°58°
  6. SunOct 25 Slight Chance Rain Showers then Sunny Slight Chance Rain Showers then Sunny15%41°63°
  7. MonOct 26 Mostly Sunny Mostly Sunny42°65°
  8. TueOct 27 Cloudy Cloudy0.14 in32°44°
  9. WedOct 28 Partly cloudy Partly cloudy31°50°
  10. ThuOct 29 Partly cloudy Partly cloudy32°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

83
Moderate
Coarse particles (PM10)

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

Forecast

  • TueGood

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 29 s tomorrow)
Waxing Gibbous · 69% 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 4 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 4Conservative index and reflects what the press published. Terms of use.