Weather for Portland, Colorado
Current Weather
Humidity: 86%
Feels Like: 61.2°F
Wind: W 8.5 mph
Wind Gusts: 10.3 mph
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 9 mi
UV Index: 1
Five Day Weather Forecast
Tue
H: 96°F
L: 53°F
Wed
H: 97°F
L: 55°F
Thu
H: 98°F
L: 57°F
Fri
H: 96°F
L: 64°F
Sat
H: 94°F
L: 61°F
Air Quality
Nitrogen Dioxide: 0.74 μg/m3
Sulphur Dioxide: 1.3 μg/m3
Ozone: 122 μg/m3
Astronomical
Sun Transit: 1:06 PM
Sunset: 8:06 PM
Daylight: 13 hrs 59 mins
Moon Transit: 10:27 PM
Moonset: 1:59 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 88.0%
Best Times for Fishing or Hunting
Major Periods
7:25 AM - 9:55 AM12:00 AM - 12:00 AM
Minor Periods
5:30 PM - 7:00 PM1:29 AM - 2:59 AM
Action Rating: 2 out of 5
Red Flag Warning issued August 5 at 3:29AM MDT until August 5 at 8:00PM MDT by NWS Denver CO
Effective: Tue August 5, 2025, 3:29 AM
Expires: Tue August 5, 2025, 3:30 PM
* AFFECTED AREA...Fire Weather Zones 211, 212, 213, 214, 217 and 218. * TIMING...From 11 AM this morning to 8 PM MDT this evening. * WINDS...West 10 to 20 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.
A Red Flag Warning means that critical fire weather conditions are either occurring now....or will shortly. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior.
Red Flag Warning issued August 5 at 3:28AM MDT until August 5 at 8:00PM MDT by NWS Pueblo CO
Effective: Tue August 5, 2025, 3:28 AM
Expires: Tue August 5, 2025, 7:30 PM
* AFFECTED AREA...Fire Weather Zone 220. * TIMING...From 11 AM this morning to 8 PM MDT this evening. * WINDS...West 20 to 30 mph with gusts up to 50 mph. * RELATIVE HUMIDITY...As low as 8 percent. * IMPACTS...Elevated fire danger is expected. Fires will catch and spread rapidly and erratically.
A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior.
Red Flag Warning issued August 5 at 3:28AM MDT until August 5 at 8:00PM MDT by NWS Pueblo CO
Effective: Tue August 5, 2025, 3:28 AM
Expires: Tue August 5, 2025, 7:30 PM
* AFFECTED AREA...Fire Weather Zone 220. * TIMING...From 11 AM this morning to 8 PM MDT this evening. * WINDS...West 20 to 30 mph with gusts up to 50 mph. * RELATIVE HUMIDITY...As low as 8 percent. * IMPACTS...Elevated fire danger is expected. Fires will catch and spread rapidly and erratically.
A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior.
Weather Forecast
Average Temperature: 73.5°F
Average Humidity: 21%
Wind: 18.8 mph
UV Index: 2
Air Quality
Nitrogen Dioxide: 9.41 μg/m3
Sulphur Dioxide: 1.67 μg/m3
Ozone: 94.96 μg/m3
Astronomical
Sun Transit: 1:06 PM
Sunset: 8:06 PM
Daylight: 13 hrs 59 mins
Moon Transit: 10:27 PM
Moonset: 1:59 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 88.0%
Best Times for Fishing or Hunting
Major Periods
7:25 AM - 9:55 AM12:00 AM - 12:00 AM
Minor Periods
5:30 PM - 7:00 PM1:29 AM - 2:59 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 76.2°F
Average Humidity: 23%
Wind: 33.3 mph
UV Index: 2.1
Air Quality
Nitrogen Dioxide: 7.74 μg/m3
Sulphur Dioxide: 1.05 μg/m3
Ozone: 97.44 μg/m3
Astronomical
Sun Transit: 1:05 PM
Sunset: 8:04 PM
Daylight: 13 hrs 57 mins
Moon Transit: 11:21 PM
Moonset: 2:56 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 94.4%
Best Times for Fishing or Hunting
Major Periods
8:19 AM - 10:49 AM12:00 AM - 12:00 AM
Minor Periods
6:18 PM - 7:48 PM2:26 AM - 3:56 AM
Action Rating: 3 out of 5
Weather Forecast
Average Temperature: 78.4°F
Average Humidity: 26%
Wind: 13.9 mph
UV Index: 2.5
Air Quality
Nitrogen Dioxide: 9.35 μg/m3
Sulphur Dioxide: 1.12 μg/m3
Ozone: 84.72 μg/m3
Astronomical
Sun Transit: 1:05 PM
Sunset: 8:03 PM
Daylight: 13 hrs 55 mins
Moon Transit: 12:00 AM
Moonset: 4:00 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 98.4%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM9:14 AM - 11:44 AM
Minor Periods
6:58 PM - 8:28 PM3:30 AM - 5:00 AM
Action Rating: 3 out of 5
Weather Forecast
Average Temperature: 76°F
Average Humidity: 27%
Wind: 25.9 mph
UV Index: 2.3
Air Quality
Nitrogen Dioxide: 8.92 μg/m3
Sulphur Dioxide: 1.14 μg/m3
Ozone: 83.32 μg/m3
Astronomical
Sun Transit: 1:05 PM
Sunset: 8:02 PM
Daylight: 13 hrs 53 mins
Moon Transit: 12:15 AM
Moonset: 5:09 AM
Moon Phase: Full
Moon Illumination: 100.0%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM10:07 AM - 12:37 AM
Minor Periods
7:33 PM - 9:03 PM4:39 AM - 6:09 AM
Action Rating: 5 out of 5
Weather Forecast
Average Temperature: 76.8°F
Average Humidity: 24%
Wind: 20.4 mph
UV Index: 0
Air Quality
Nitrogen Dioxide: 12.27 μg/m3
Sulphur Dioxide: 0.84 μg/m3
Ozone: 73.08 μg/m3
Astronomical
Sun Transit: 1:05 PM
Sunset: 8:01 PM
Daylight: 13 hrs 51 mins
Moon Transit: 1:07 AM
Moonset: 6:20 AM
Moon Phase: Full
Moon Illumination: 99.0%
Best Times for Fishing or Hunting
Major Periods
12:37 AM - 3:07 AM10:58 AM - 1:28 PM
Minor Periods
8:03 PM - 9:33 PM5:50 AM - 7:20 AM
Action Rating: 5 out of 5