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Now · 3:07 AM

Westminster Weather & Hourly Forecast

United States · Colorado · 80021

Clear night
68°F
Clear night
Feels like: 67°F
💧 Humidity 43% 🌡 Pressure 29.91 inHg 💨 Wind 4 mph 👁 Visibility 6.2 mi Clouds 0% ☀️ UV index 0.0 · Low 🌅 Sunrise 6:32 AM 🌇 Sunset 7:26 PM

Hourly Forecast for Westminster

Today
Clear night · 4:00 AM Clear night
68° 💧 None 💨 4 mph H 43%29.91 inHg
Partly cloudy · 7:00 AM Partly cloudy
66° 💧 None 💨 2 mph H 36%29.91 inHg
Overcast · 10:00 AM Overcast
83° 💧 None 💨 1 mph H 22%29.88 inHg
Overcast · 1:00 PM Overcast
90° 💧 None 💨 2 mph H 17%29.83 inHg
Overcast · 4:00 PM Overcast
91° 💧 None 💨 7 mph H 15%29.74 inHg
Overcast · 7:00 PM Overcast
83° 💧 None 💨 8 mph H 20%29.77 inHg
Light rain · 10:00 PM Light rain
76° 💧 0.01 in 💨 8 mph H 36%29.85 inHg
Tomorrow
Mostly cloudy night · 1:00 AM Mostly cloudy night
69° 💧 None 💨 5 mph H 37%29.85 inHg
Mostly cloudy night · 4:00 AM Mostly cloudy night
63° 💧 None 💨 2 mph H 41%29.85 inHg
Overcast · 7:00 AM Overcast
65° 💧 None 💨 4 mph H 39%29.88 inHg
Mostly cloudy · 10:00 AM Mostly cloudy
84° 💧 None 💨 3 mph H 26%29.88 inHg
Sunny · 1:00 PM Sunny
91° 💧 None 💨 7 mph H 22%29.80 inHg
Sunny · 4:00 PM Sunny
92° 💧 None 💨 9 mph H 18%29.68 inHg
Light rain · 7:00 PM Light rain
86° 💧 0.00 in 💨 2 mph H 26%29.68 inHg
Overcast night · 10:00 PM Overcast night
81° 💧 None 💨 5 mph H 34%29.74 inHg
Monday
Overcast night · 1:00 AM Overcast night
76° 💧 None 💨 5 mph H 39%29.71 inHg

In Westminster and, more broadly, across the state of Colorado: This evening, the sky will feature a mix of sun and clouds, creating a pleasant and mild atmosphere. Temperatures are expected to stay steady around 75 degrees Fahrenheit. Winds will be light, coming from the northwest at no more than 4 mph, with gusts up to 5 mph. No significant rainfall is anticipated during the next few hours, so outdoor plans should remain comfortable. As the night progresses, temperatures will remain mild, making for a generally calm and clear evening.

15-Day Weather Outlook for Westminster

TomorrowTomorrow Light rain Light rain 93°/62° 💧 0.00 in 💨 10 mph
Monday, Sep 7Mon Sep 7 Mostly cloudy Mostly cloudy 88°/74° 💧 None 💨 12 mph
Tuesday, Sep 8Tue Sep 8 Light rain Light rain 89°/68° 💧 0.03 in 💨 14 mph
Wednesday, Sep 9Wed Sep 9 Mostly cloudy Mostly cloudy 91°/66° 💧 None 💨 11 mph
Thursday, Sep 10Thu Sep 10 Overcast Overcast 89°/70° 💧 None 💨 15 mph
Friday, Sep 11Fri Sep 11 Sunny Sunny 91°/68° 💧 None 💨 14 mph
Saturday, Sep 12Sat Sep 12 Light rain Light rain 90°/71° 💧 0.01 in 💨 17 mph
Sunday, Sep 13Sun Sep 13 Light rain Light rain 74°/61° 💧 0.09 in 💨 9 mph
Monday, Sep 14Mon Sep 14 Light rain Light rain 82°/62° 💧 0.01 in 💨 8 mph
Tuesday, Sep 15Tue Sep 15 Light rain Light rain 84°/66° 💧 0.03 in 💨 10 mph
Wednesday, Sep 16Wed Sep 16 Light rain Light rain 86°/69° 💧 0.02 in 💨 8 mph
Thursday, Sep 17Thu Sep 17 Light rain Light rain 83°/69° 💧 0.02 in 💨 13 mph
Friday, Sep 18Fri Sep 18 Light rain Light rain 88°/67° 💧 0.02 in 💨 13 mph
Saturday, Sep 19Sat Sep 19 Sunny Sunny 77°/60° 💧 None 💨 15 mph
Sunday, Sep 20Sun Sep 20 Sunny Sunny 82°/55° 💧 None 💨 8 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Westminster

Vertical axis: °F · Color based on temperature
Clear night at 4:00 AM
68° Today 4:00 AM
Clear night at 5:00 AM
67° 5:00 AM
Clear night at 6:00 AM
66° 6:00 AM
Partly cloudy at 7:00 AM
66° 7:00 AM
Overcast at 8:00 AM
72° Today 8:00 AM
Overcast at 9:00 AM
79° 9:00 AM
Overcast at 10:00 AM
83° 10:00 AM
Overcast at 11:00 AM
86° 11:00 AM
Overcast at 12:00 PM
89° Today 12:00 PM
Overcast at 1:00 PM
90° 1:00 PM
Overcast at 2:00 PM
91° 2:00 PM
Overcast at 3:00 PM
91° 3:00 PM
Overcast at 4:00 PM
91° Today 4:00 PM
Overcast at 5:00 PM
91° 5:00 PM
Overcast at 6:00 PM
86° 6:00 PM
Overcast at 7:00 PM
83° 7:00 PM
Overcast night at 8:00 PM
80° Today 8:00 PM
Mostly cloudy night at 9:00 PM
77° 9:00 PM
Light rain at 10:00 PM
76° 10:00 PM
Mostly cloudy night at 11:00 PM
73° 11:00 PM
Mostly cloudy night at 12:00 AM
71° Tomorrow 12:00 AM
Mostly cloudy night at 1:00 AM
69° 1:00 AM
Partly cloudy night at 2:00 AM
67° 2:00 AM
Mostly cloudy night at 3:00 AM
65° 3:00 AM
Mostly cloudy night at 4:00 AM
63° Tomorrow 4:00 AM
Mostly cloudy night at 5:00 AM
62° 5:00 AM
Mostly cloudy night at 6:00 AM
62° 6:00 AM
Overcast at 7:00 AM
65° 7:00 AM
Mostly cloudy at 8:00 AM
73° Tomorrow 8:00 AM
Mostly cloudy at 9:00 AM
80° 9:00 AM
Mostly cloudy at 10:00 AM
84° 10:00 AM
Mostly cloudy at 11:00 AM
87° 11:00 AM
Mostly cloudy at 12:00 PM
89° Tomorrow 12:00 PM
Sunny at 1:00 PM
91° 1:00 PM
Sunny at 2:00 PM
92° 2:00 PM
Sunny at 3:00 PM
92° 3:00 PM
Sunny at 4:00 PM
92° Tomorrow 4:00 PM
Sunny at 5:00 PM
93° 5:00 PM
Mostly sunny at 6:00 PM
88° 6:00 PM
Light rain at 7:00 PM
86° 7:00 PM
Mostly cloudy night at 8:00 PM
83° Tomorrow 8:00 PM
Overcast night at 9:00 PM
82° 9:00 PM
Overcast night at 10:00 PM
81° 10:00 PM
Overcast night at 11:00 PM
78° 11:00 PM
Overcast night at 12:00 AM
77° Monday 12:00 AM
Overcast night at 1:00 AM
76° 1:00 AM
Mostly cloudy night at 2:00 AM
76° 2:00 AM
Mostly cloudy night at 3:00 AM
75° 3:00 AM
Mostly cloudy night at 4:00 AM
75° Monday 4:00 AM
Mostly cloudy night at 5:00 AM
76° 5:00 AM
Mostly cloudy night at 6:00 AM
75° 6:00 AM
Overcast at 7:00 AM
74° 7:00 AM
Overcast at 8:00 AM
75° Monday 8:00 AM
Overcast at 9:00 AM
78° 9:00 AM
Overcast at 10:00 AM
81° 10:00 AM
Mostly cloudy at 11:00 AM
84° 11:00 AM
Mostly cloudy at 12:00 PM
86° Monday 12:00 PM
Mostly cloudy at 1:00 PM
88° 1:00 PM
Mostly cloudy at 2:00 PM
87° 2:00 PM
Overcast at 3:00 PM
88° 3:00 PM
Overcast at 4:00 PM
87° Monday 4:00 PM
Overcast at 5:00 PM
88° 5:00 PM
Overcast at 6:00 PM
85° 6:00 PM
Mostly cloudy at 7:00 PM
82° 7:00 PM
Overcast night at 8:00 PM
82° Monday 8:00 PM
Overcast night at 9:00 PM
79° 9:00 PM
Overcast night at 10:00 PM
77° 10:00 PM
Overcast night at 11:00 PM
74° 11:00 PM
Overcast night at 12:00 AM
74° Tuesday 12:00 AM
Partly cloudy night at 1:00 AM
75° 1:00 AM
Mostly cloudy night at 2:00 AM
74° 2:00 AM
Mostly cloudy night at 3:00 AM
73° 3:00 AM
Mostly cloudy night at 4:00 AM
72° Tuesday 4:00 AM
Mostly cloudy night at 5:00 AM
69° 5:00 AM
Mostly cloudy night at 6:00 AM
68° 6:00 AM
Mostly cloudy at 7:00 AM
67° 7:00 AM
Partly cloudy at 8:00 AM
69° Tuesday 8:00 AM
Mostly sunny at 9:00 AM
72° 9:00 AM
Mostly sunny at 10:00 AM
76° 10:00 AM
Mostly sunny at 11:00 AM
79° 11:00 AM
Mostly sunny at 12:00 PM
82° Tuesday 12:00 PM
Sunny at 1:00 PM
85° 1:00 PM
Sunny at 2:00 PM
88° 2:00 PM
Mostly sunny at 3:00 PM
89° 3:00 PM
Partly cloudy at 4:00 PM
87° Tuesday 4:00 PM
Light rain at 5:00 PM
83° 5:00 PM
Mostly cloudy at 6:00 PM
80° 6:00 PM
Light rain at 7:00 PM
77° 7:00 PM
Partly cloudy night at 8:00 PM
76° Tuesday 8:00 PM
Mostly cloudy night at 9:00 PM
74° 9:00 PM
Mostly cloudy night at 10:00 PM
74° 10:00 PM
Mostly cloudy night at 11:00 PM
73° 11:00 PM
Mostly cloudy night at 12:00 AM
72° Wednesday 12:00 AM
Overcast night at 1:00 AM
71° 1:00 AM
Overcast night at 2:00 AM
71° 2:00 AM
Mostly cloudy night at 3:00 AM
69° 3:00 AM

AIR QUALITY FORECAST

Air Quality Forecast for Westminster

Hourly forecast · Updated every 2 hours
Good
Nearest forecast value 4:00 AM
PM2.5 Fine particles Good 2,0µg/m³

Microscopic particles that can penetrate deep into the lungs. Elevated concentrations can especially affect children, older adults and people with respiratory conditions.

PM10 Particulate matter Good 2,9µg/m³

Includes dust, pollen and other airborne particles. High concentrations may irritate the respiratory system.

O₃ Ozone Good 48,0µg/m³

Ground-level ozone can irritate the eyes and respiratory system when concentrations are elevated.

NO₂ Nitrogen dioxide Good 2,8µg/m³

A gas emitted mainly by traffic and some industrial activity. High exposure can affect respiratory health.

Air quality is favorable for outdoor activities.

UV & HEALTH

UV, Sun & Health Outlook in Westminster

Maximum daily UV Today, tomorrow and the following day show the maximum UV index forecast for each day.
0–2 Low 3–5 Moderate 6–7 High 8–10 Very high 11+ Extreme
Today UV 7,9High 😊Good
Tomorrow UV 9,5Very high 🙂Fair
Monday UV 8,2Very high 😊Good
Tuesday UV 9,0Very high 😊Good
Wednesday UV 8,0Very high 😊Good
Thursday UV 8,0Very high Unavailable
Friday UV 8,0Very high Unavailable
Hourly UV index today
7:00 AMUV 0,0 8:00 AMUV 0,6 9:00 AMUV 1,8 10:00 AMUV 4,0 11:00 AMUV 5,9 12:00 PMUV 7,6 1:00 PMUV 7,9 2:00 PMUV 7,2 3:00 PMUV 5,4 4:00 PMUV 3,1 5:00 PMUV 1,8 6:00 PMUV 0,6
Today's weather health advice Open today's recommendations.

Strong UV exposure

Protect exposed skin with SPF 30+ sunscreen, wear sunglasses, and try to limit direct midday sun.

Good air quality

Air quality is good and outdoor activities can be enjoyed normally.

Comfortable temperature conditions

Temperatures should feel comfortable for most people, with no particular heat or cold precautions needed.

Good conditions for outdoor activities

Outdoor activities can generally be enjoyed normally, with sun protection adjusted to the UV level.

WIND OUTLOOK

Hourly Wind Forecast for Westminster

Vertical axis: mph · Horizontal axis: hours
Hourly wind speed Chart of sustained wind and maximum gusts in mph. Today 4:00 AM 5:00 AM 6:00 AM 7:00 AM Today 8:00 AM 9:00 AM 10:00 AM 11:00 AM Today 12:00 PM 1:00 PM 2:00 PM 3:00 PM Today 4:00 PM 5:00 PM 6:00 PM 7:00 PM Today 8:00 PM 9:00 PM 10:00 PM 11:00 PM Tomorrow 12:00 AM 1:00 AM 2:00 AM 3:00 AM Tomorrow 4:00 AM 5:00 AM 6:00 AM 7:00 AM Tomorrow 8:00 AM 9:00 AM 10:00 AM 11:00 AM Tomorrow 12:00 PM 1:00 PM 2:00 PM 3:00 PM Tomorrow 4:00 PM 5:00 PM 6:00 PM 7:00 PM Tomorrow 8:00 PM 9:00 PM 10:00 PM 11:00 PM Monday 12:00 AM 1:00 AM 2:00 AM 3:00 AM Monday 4:00 AM 5:00 AM 6:00 AM 7:00 AM Monday 8:00 AM 9:00 AM 10:00 AM 11:00 AM Monday 12:00 PM 1:00 PM 2:00 PM 3:00 PM Monday 4:00 PM 5:00 PM 6:00 PM 7:00 PM Monday 8:00 PM 9:00 PM 10:00 PM 11:00 PM Tuesday 12:00 AM 1:00 AM 2:00 AM 3:00 AM Tuesday 4:00 AM 5:00 AM 6:00 AM 7:00 AM Tuesday 8:00 AM 9:00 AM 10:00 AM 11:00 AM Tuesday 12:00 PM 1:00 PM 2:00 PM 3:00 PM Tuesday 4:00 PM 5:00 PM 6:00 PM 7:00 PM Tuesday 8:00 PM 9:00 PM 10:00 PM 11:00 PM Wednesday 12:00 AM 1:00 AM 2:00 AM 3:00 AM
Sustained wind Max gusts
NIGHT SKY · WESTMINSTER, COLORADO

Tonight's Stargazing & Shooting Stars

Excellent observing conditions. Best local viewing window: 4:00 AM–5:00 AM.

95/100Best-hour score
BEST TIME TONIGHT 4:00 AM–5:00 AM Astronomical darkness: 9:01 PM–4:58 AM
Cloud cover 0% Real hourly forecast for the best viewing hour.
Moonlight 40% Last Quarter · Moon about 41° above the horizon at the best viewing hour.
Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 76° high at the best hour.
Estimated visible meteors 1–4/hour Local estimate after weather, moonlight and radiant-height adjustments.
Chance ≥1 meteor in 30 min70%
UPCOMING METEOR PERIODSStart, peak and end dates · weather should be checked closer to the peak.
AUG 28–SEP 5
AurigidsStart AUG 28 · Peak SEP 1 · End SEP 5 · ZHR 6 · 80% Moon at peak
ACTIVE NOW
SEP 5–SEP 21
September ε-PerseidsStart SEP 5 · Peak SEP 9 · End SEP 21 · ZHR 8 · 6% Moon at peak
ACTIVE NOW
SEP 20–NOV 20
Southern TauridsStart SEP 20 · Peak NOV 5 · End NOV 20 · ZHR 7 · 20% Moon at peak
UPCOMING
OCT 2–NOV 7
OrionidsStart OCT 2 · Peak OCT 21 · End NOV 7 · ZHR 20 · 77% Moon at peak
UPCOMING

Experimental local observing estimate. Weather values come from the hourly forecast already used on this page. Moon position and astronomical darkness are calculated locally from time and coordinates. Meteor-shower ZHR describes ideal conditions and is not the number of meteors a person should expect to see locally.

Forecast data for Westminster were last refreshed today at 3:07 AM. The current forecast period extends through 07/09/2026 at 1:00 AM. Weather, air-quality and UV-index data are provided through WEATHER-INFO.COM. Forecasts are produced automatically from the latest available data and are subject to periodic technical checks. This service is intended for general weather information.