Louisville, CO 80027 Weather

Boulder County12:06 PM MDT39.98°N, 105.15°W

Current conditions

Mostly Sunny
70°
Mostly Sunny
Feels like 70°
High 74°·Low 51°
WindESE 3 mph
Humidity31%
Dew point37°
Pressure30.31 inHg
Visibility10.0 mi
Cloud cover37%
UV index5 Moderate
Sunrise7:18 AM
Sunset6:14 PM

Observed at Boulder Municipal Airport · 51 min ago

Forecast

10-day
  • Today

    Mostly sunny. High near 74, with temperatures falling to around 72 in the afternoon. East southeast wind 2 to 7 mph.

  • Tonight

    Mostly cloudy. Low around 51, with temperatures rising to around 53 overnight. West northwest wind around 5 mph.

  • Thursday

    Mostly cloudy. High near 73, with temperatures falling to around 71 in the afternoon. North wind 2 to 6 mph.

National Weather Service forecast updated 11 hrs ago.

  1. Now Mostly Sunny 68°
  2. 1 PM Mostly Sunny 71°
  3. 2 PM Partly Sunny 73°
  4. 3 PM Partly Sunny 74°
  5. 4 PM Partly Sunny 74°
  6. 5 PM Partly Sunny 72°
  7. 6 PM Mostly Cloudy 70°
  8. 7 PM Mostly Cloudy 68°
  9. 8 PM Mostly Cloudy 63°
  10. 9 PM Mostly Cloudy 62°
  11. 10 PM Mostly Cloudy 60°
  12. 11 PM Mostly Cloudy 59°
  13. Thu12 AM Mostly Cloudy 57°
  14. 1 AM Mostly Cloudy 57°
  15. 2 AM Mostly Cloudy 56°
  16. 3 AM Mostly Cloudy 55°
  17. 4 AM Mostly Cloudy 53°
  18. 5 AM Mostly Cloudy 53°
  19. 6 AM Mostly Cloudy 53°
  20. 7 AM Mostly Cloudy 52°
  21. 8 AM Mostly Cloudy 53°
  22. 9 AM Mostly Cloudy 57°
  23. 10 AM Mostly Cloudy 63°
  24. 11 AM Mostly Cloudy 65°

10-day forecast

Details
  1. TodayOct 21 Mostly Sunny Mostly Sunny51°74°
  2. ThuOct 22 Mostly Cloudy Mostly Cloudy17%53°73°
  3. FriOct 23 Mostly Sunny Mostly Sunny18%46°77°
  4. SatOct 24 Chance Rain Showers Chance Rain Showers56%38°54°
  5. SunOct 25 Chance Rain Showers Chance Rain Showers25%37°54°
  6. MonOct 26 Slight Chance Rain Showers then Partly Sunny Slight Chance Rain Showers then Partly Sunny17%37°53°
  7. TueOct 27 Mostly Sunny Mostly Sunny38°58°
  8. WedOct 28 Mostly sunny Mostly sunny0.02 in36°66°
  9. ThuOct 29 Sunny Sunny32°53°
  10. FriOct 30 Mostly sunny Mostly sunny29°60°

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 Louisville

More weather news

Air quality

77
Moderate
Coarse particles (PM10)

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

Forecast

  • WedModerate
  • ThuModerate

Denver-Boulder, CO reporting area · 2 hrs ago. Data from AirNow (EPA and its state, local and tribal partners); preliminary and subject to change.

Sun & moon

Sunrise 7:18 AM
Sunset 6:14 PM
Daylight 10 h 55 min (−2 min 28 s tomorrow)
Waxing Gibbous · 79% lit
Moonrise 3:54 PM Moonset 2:23 AM
Full moon Oct 26 New moon Nov 9

Almanac

Monthly
Normal high / low64° / 36°
Record high84° (1950)
Record low17° (1911)
Wettest1.03 in (2015)
Yesterday75° / 41°
Month to date1.67 in (normal 1.07 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 6 hrs ago

Key Messages

- Warm and dry conditions continue across the lower elevations for the next few days, with scattered light rain and snow showers across the higher elevations.

- Cooler, unsettled weather potentially returns this weekend across the forecast area, including the Front Range/I-25 corridor.

- At least a brief warm-up likely sometime early or mid-week 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.