Weather Forecast

Boulder, Colorado, United States of America

Weather Alerts

Freeze Watch issued April 16 at 2:37AM MDT until April 18 at 8:00AM MDT by NWS Denver CO
* WHAT...Prolonged sub-freezing temperatures reaching 18 to 25 degrees. * WHERE...All of the Front Range Urban Corridor and northeast plains of Colorado. * WHEN...From Friday evening through Saturday morning. * IMPACTS...If not drained or protected, damage to above ground irrigation lines will likely occur. A hard freeze could kill sensitive vegetation and damage fruit trees.
Freeze Warning issued April 16 at 11:02AM MDT until April 18 at 8:00AM MDT by NWS Denver CO
* WHAT...Prolonged sub-freezing temperatures dropping down into the 18 to 24 degree range. * WHERE...All of the Front Range Urban Corridor and northeast plains of Colorado. * WHEN...From Friday evening through Saturday morning. * IMPACTS...If not drained or protected, damage to above ground irrigation lines will be likely. A hard freeze could kill sensitive vegetation and damage fruit trees.
Red Flag Warning issued April 15 at 11:33PM MDT until April 16 at 9:00PM MDT by NWS Denver CO
* AFFECTED AREA...Fire Weather Zones 214, 216, 241, 246 and 247. * TIMING...From 11 AM to 9 PM MDT Thursday. * WINDS...Southwest 15 to 25 mph with gusts up to 35 mph. * RELATIVE HUMIDITY...As low as 8 percent. * IMPACTS...Conditions will be favorable for rapid fire spread. Avoid outdoor burning and any activity that may produce a spark and start a wildfire.
Red Flag Warning issued April 16 at 12:33PM MDT until April 16 at 9:00PM MDT by NWS Denver CO
* AFFECTED AREA...Fire Weather Zones 214, 216, 241, 245, 246, 247 and 249. * TIMING...Until 9 PM MDT this evening. * WINDS...Southwest 15 to 25 mph with gusts up to 35 mph. * RELATIVE HUMIDITY...As low as 8 percent. * IMPACTS...Conditions will be favorable for rapid fire spread. Avoid outdoor burning and any activity that may produce a spark and start a wildfire.
23°C
Partly cloudy

Feels like: 23°C

Visibility: 16 km

10%
Humidity
33.1 km/h
Wind
1002 mb
Pressure
0 mm
Precipitation

Air Quality

AQI: 1 - Good
PM2.5: 4.5
PM10: 4.9
O3: 83
NO2: 15.3

Astronomy

Sunrise
06:21 AM
Sunset
07:41 PM
Moonrise
05:40 AM
Moonset
07:11 PM

Hourly Forecast (Next 24 Hours)

00:00
10°
Clear
28%
01:00
10°
Clear
31%
02:00
10°
Clear
35%
03:00
10°
Clear
41%
04:00
10°
Clear
41%
05:00
10°
Clear
42%
06:00
10°
Clear
42%
07:00
11°
Sunny
42%
08:00
12°
Sunny
37%
09:00
14°
Sunny
32%
10:00
17°
Sunny
27%
11:00
19°
Sunny
24%
12:00
21°
Sunny
22%
13:00
21°
Sunny
20%
14:00
21°
Partly Cloudy
19%
15:00
21°
Sunny
19%
16:00
21°
Partly Cloudy
19%
17:00
21°
Partly Cloudy
20%
18:00
21°
Sunny
20%
19:00
23°
Partly cloudy
10%
20:00
18°
Clear
23%
21:00
15°
Cloudy
26%
22:00
12°
Clear
27%
23:00
11°
Clear
29%

3 Day Forecast

Today
Apr 16
23° / 10°
Sunny

29%

0%
Friday
Apr 17
6° / -3°
Patchy rain nearby

59%

84%
Saturday
Apr 18
13° / -3°
Sunny

30%

0%

Weather data by WeatherAPI.com