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Now · 2:15 PM

Roy Weather & Hourly Forecast

United States · Utah · 84067

Light rain
70°F
Light rain
Feels like: 70°F
💧 Humidity 60% 🌡 Pressure 29.88 inHg 💨 Wind 4 mph 👁 Visibility 6.2 mi Clouds 90% ☀️ UV index 8.0 · Very high 🌅 Sunrise 6:51 AM 🌇 Sunset 8:06 PM

Hourly Forecast for Roy

Today
Light rain · 3:00 PM Light rain
70° 💧 0.00 in 💨 4 mph H 60%29.88 inHg
Mostly cloudy · 6:00 PM Mostly cloudy
75° 💧 None 💨 10 mph H 56%29.83 inHg
Overcast night · 9:00 PM Overcast night
66° 💧 None 💨 2 mph H 69%29.83 inHg
Tomorrow
Overcast night · 12:00 AM Overcast night
65° 💧 None 💨 15 mph H 69%29.85 inHg
Overcast night · 3:00 AM Overcast night
66° 💧 None 💨 8 mph H 69%29.83 inHg
Overcast night · 6:00 AM Overcast night
65° 💧 0.01 in 💨 7 mph H 66%29.85 inHg
Overcast · 9:00 AM Overcast
65° 💧 None 💨 11 mph H 60%29.85 inHg
Mostly cloudy · 12:00 PM Mostly cloudy
72° 💧 None 💨 11 mph H 43%29.85 inHg
Mostly sunny · 3:00 PM Mostly sunny
78° 💧 None 💨 12 mph H 41%29.83 inHg
Mostly sunny · 6:00 PM Mostly sunny
82° 💧 None 💨 8 mph H 36%29.80 inHg
Clear night · 9:00 PM Clear night
67° 💧 None 💨 6 mph H 40%29.83 inHg
Monday
Clear night · 12:00 AM Clear night
65° 💧 None 💨 8 mph H 59%29.88 inHg
Clear night · 3:00 AM Clear night
67° 💧 0.00 in 💨 7 mph H 62%29.88 inHg
Mostly clear night · 6:00 AM Mostly clear night
65° 💧 None 💨 8 mph H 65%29.88 inHg
Sunny · 9:00 AM Sunny
69° 💧 None 💨 5 mph H 49%29.88 inHg
Sunny · 12:00 PM Sunny
79° 💧 None 💨 8 mph H 35%29.83 inHg

In Roy and, more broadly, across the state of Utah: As the afternoon comes to a close, mostly cloudy skies will remain, with temperatures cooling to between 55 and 63 degrees Fahrenheit. Expect moderate east winds blowing at up to 11 mph, with gusts reaching 15 mph. Rain is very likely, and there could be around 0.3 inches of accumulation overnight. Conditions will stay cool and damp into the evening, so plan accordingly if you’re heading out. Be prepared for the possibility of raindrops and brisk breezes throughout the night.

15-Day Weather Outlook for Roy

TomorrowTomorrow Light rain Light rain 84°/65° 💧 0.01 in 💨 15 mph
Monday, Aug 31Mon Aug 31 Moderate rain Moderate rain 81°/60° 💧 0.20 in 💨 22 mph
Tuesday, Sep 1Tue Sep 1 Overcast Overcast 83°/60° 💧 None 💨 15 mph
Wednesday, Sep 2Wed Sep 2 Light rain Light rain 77°/67° 💧 0.05 in 💨 19 mph
Thursday, Sep 3Thu Sep 3 Sunny Sunny 81°/60° 💧 None 💨 11 mph
Friday, Sep 4Fri Sep 4 Light rain Light rain 83°/65° 💧 0.03 in 💨 16 mph
Saturday, Sep 5Sat Sep 5 Light rain Light rain 86°/65° 💧 0.03 in 💨 13 mph
Sunday, Sep 6Sun Sep 6 Light rain Light rain 85°/70° 💧 0.02 in 💨 8 mph
Monday, Sep 7Mon Sep 7 Partly cloudy Partly cloudy 89°/71° 💧 None 💨 13 mph
Tuesday, Sep 8Tue Sep 8 Sunny Sunny 85°/70° 💧 None 💨 7 mph
Wednesday, Sep 9Wed Sep 9 Overcast Overcast 89°/73° 💧 None 💨 7 mph
Thursday, Sep 10Thu Sep 10 Mostly sunny Mostly sunny 94°/73° 💧 None 💨 14 mph
Friday, Sep 11Fri Sep 11 Sunny Sunny 79°/64° 💧 None 💨 8 mph
Saturday, Sep 12Sat Sep 12 Light rain Light rain 83°/68° 💧 0.09 in 💨 12 mph
Sunday, Sep 13Sun Sep 13 Light rain Light rain 73°/60° 💧 0.02 in 💨 9 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Roy

Vertical axis: °F · Color based on temperature
Light rain at 3:00 PM
70° Today 3:00 PM
Mostly cloudy at 4:00 PM
69° 4:00 PM
Mostly cloudy at 5:00 PM
72° 5:00 PM
Mostly cloudy at 6:00 PM
75° 6:00 PM
Overcast at 7:00 PM
71° Today 7:00 PM
Overcast at 8:00 PM
70° 8:00 PM
Overcast night at 9:00 PM
66° 9:00 PM
Overcast night at 10:00 PM
67° 10:00 PM
Overcast night at 11:00 PM
67° Today 11:00 PM
Overcast night at 12:00 AM
65° 12:00 AM
Overcast night at 1:00 AM
67° 1:00 AM
Overcast night at 2:00 AM
65° 2:00 AM
Overcast night at 3:00 AM
66° Tomorrow 3:00 AM
Overcast night at 4:00 AM
66° 4:00 AM
Overcast night at 5:00 AM
66° 5:00 AM
Overcast night at 6:00 AM
65° 6:00 AM
Light rain at 7:00 AM
65° Tomorrow 7:00 AM
Overcast at 8:00 AM
65° 8:00 AM
Overcast at 9:00 AM
65° 9:00 AM
Overcast at 10:00 AM
68° 10:00 AM
Mostly cloudy at 11:00 AM
70° Tomorrow 11:00 AM
Mostly cloudy at 12:00 PM
72° 12:00 PM
Mostly cloudy at 1:00 PM
75° 1:00 PM
Partly cloudy at 2:00 PM
78° 2:00 PM
Mostly sunny at 3:00 PM
78° Tomorrow 3:00 PM
Mostly sunny at 4:00 PM
76° 4:00 PM
Mostly sunny at 5:00 PM
84° 5:00 PM
Mostly sunny at 6:00 PM
82° 6:00 PM
Sunny at 7:00 PM
75° Tomorrow 7:00 PM
Sunny at 8:00 PM
71° 8:00 PM
Clear night at 9:00 PM
67° 9:00 PM
Clear night at 10:00 PM
67° 10:00 PM
Clear night at 11:00 PM
67° Tomorrow 11:00 PM
Clear night at 12:00 AM
65° 12:00 AM
Clear night at 1:00 AM
67° 1:00 AM
Clear night at 2:00 AM
66° 2:00 AM
Clear night at 3:00 AM
67° Monday 3:00 AM
Mostly clear night at 4:00 AM
67° 4:00 AM
Light rain at 5:00 AM
66° 5:00 AM
Mostly clear night at 6:00 AM
65° 6:00 AM
Sunny at 7:00 AM
62° Monday 7:00 AM
Sunny at 8:00 AM
64° 8:00 AM
Sunny at 9:00 AM
69° 9:00 AM
Sunny at 10:00 AM
74° 10:00 AM
Sunny at 11:00 AM
77° Monday 11:00 AM
Sunny at 12:00 PM
79° 12:00 PM
Mostly cloudy at 1:00 PM
80° 1:00 PM
Partly cloudy at 2:00 PM
81° 2:00 PM
Light rain at 3:00 PM
79° Monday 3:00 PM
Light rain at 4:00 PM
66° 4:00 PM
Mostly cloudy at 5:00 PM
76° 5:00 PM
Light rain at 6:00 PM
72° 6:00 PM
Light rain at 7:00 PM
66° Monday 7:00 PM
Moderate rain at 8:00 PM
60° 8:00 PM
Light rain at 9:00 PM
62° 9:00 PM
Overcast night at 10:00 PM
64° 10:00 PM
Overcast night at 11:00 PM
64° Monday 11:00 PM
Overcast night at 12:00 AM
63° 12:00 AM
Overcast night at 1:00 AM
62° 1:00 AM
Mostly cloudy night at 2:00 AM
62° 2:00 AM
Mostly cloudy night at 3:00 AM
61° Tuesday 3:00 AM
Partly cloudy night at 4:00 AM
61° 4:00 AM
Partly cloudy night at 5:00 AM
61° 5:00 AM
Partly cloudy night at 6:00 AM
61° 6:00 AM
Partly cloudy at 7:00 AM
60° Tuesday 7:00 AM
Mostly sunny at 8:00 AM
62° 8:00 AM
Partly cloudy at 9:00 AM
67° 9:00 AM
Mostly cloudy at 10:00 AM
73° 10:00 AM
Mostly cloudy at 11:00 AM
77° Tuesday 11:00 AM
Mostly cloudy at 12:00 PM
79° 12:00 PM
Overcast at 1:00 PM
81° 1:00 PM
Overcast at 2:00 PM
81° 2:00 PM
Overcast at 3:00 PM
82° Tuesday 3:00 PM
Overcast at 4:00 PM
83° 4:00 PM
Overcast at 5:00 PM
83° 5:00 PM
Overcast at 6:00 PM
83° 6:00 PM
Mostly sunny at 7:00 PM
80° Tuesday 7:00 PM
Partly cloudy at 8:00 PM
74° 8:00 PM
Partly cloudy night at 9:00 PM
72° 9:00 PM
Partly cloudy night at 10:00 PM
73° 10:00 PM
Partly cloudy night at 11:00 PM
71° Tuesday 11:00 PM
Partly cloudy night at 12:00 AM
70° 12:00 AM
Clear night at 1:00 AM
71° 1:00 AM
Clear night at 2:00 AM
68° 2:00 AM
Clear night at 3:00 AM
68° Wednesday 3:00 AM
Clear night at 4:00 AM
67° 4:00 AM
Clear night at 5:00 AM
68° 5:00 AM
Clear night at 6:00 AM
67° 6:00 AM
Overcast at 7:00 AM
70° Wednesday 7:00 AM
Light rain at 8:00 AM
68° 8:00 AM
Light rain at 9:00 AM
71° 9:00 AM
Light rain at 10:00 AM
71° 10:00 AM
Light rain at 11:00 AM
76° Wednesday 11:00 AM
Mostly cloudy at 12:00 PM
76° 12:00 PM
Mostly cloudy at 1:00 PM
75° 1:00 PM
Partly cloudy at 2:00 PM
76° 2:00 PM

AIR QUALITY FORECAST

Air Quality Forecast for Roy

Hourly forecast · Updated every 2 hours
Fair
Nearest forecast value 3:00 PM
PM2.5 Fine particles Good 0,7µg/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 1,6µg/m³

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

O₃ Ozone Fair 77,8µg/m³

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

NO₂ Nitrogen dioxide Good 0,2µg/m³

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

Air quality is acceptable for most people.

UV & HEALTH

UV, Sun & Health Outlook in Roy

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 8,0Very high 🙂Fair
Tomorrow UV 7,5High 🙂Fair
Monday UV 7,6High 🙂Fair
Tuesday UV 8,0Very high 🙂Fair
Wednesday UV 7,0High 😐Moderate
Thursday UV 7,0High Unavailable
Friday UV 7,0High Unavailable
Hourly UV index today
3:00 PMUV 6,6 4:00 PMUV 4,8 5:00 PMUV 1,4 6:00 PMUV 0,5 7:00 PMUV 0,1
Today's weather health advice Open today's recommendations.

Very high UV risk

Use SPF 50+ sunscreen, a hat and sunglasses. Seek shade and limit exposure around midday.

Acceptable air quality

Air quality is acceptable for most people. Very sensitive people may want to reduce prolonged exertion.

Comfortable temperature conditions

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

Best in the morning or late in the day

For walking, running or cycling, prefer the early morning or late afternoon.

WIND OUTLOOK

Hourly Wind Forecast for Roy

Vertical axis: mph · Horizontal axis: hours
Hourly wind speed Chart of sustained wind and maximum gusts in mph. Today 3:00 PM 4:00 PM 5:00 PM 6:00 PM Today 7:00 PM 8:00 PM 9:00 PM 10:00 PM Today 11:00 PM 12:00 AM 1:00 AM 2:00 AM Tomorrow 3:00 AM 4:00 AM 5:00 AM 6:00 AM Tomorrow 7:00 AM 8:00 AM 9:00 AM 10:00 AM Tomorrow 11:00 AM 12:00 PM 1:00 PM 2:00 PM Tomorrow 3:00 PM 4:00 PM 5:00 PM 6:00 PM Tomorrow 7:00 PM 8:00 PM 9:00 PM 10:00 PM Tomorrow 11:00 PM 12:00 AM 1:00 AM 2:00 AM Monday 3:00 AM 4:00 AM 5:00 AM 6:00 AM Monday 7:00 AM 8:00 AM 9:00 AM 10:00 AM Monday 11:00 AM 12:00 PM 1:00 PM 2:00 PM Monday 3:00 PM 4:00 PM 5:00 PM 6:00 PM Monday 7:00 PM 8:00 PM 9:00 PM 10:00 PM Monday 11:00 PM 12:00 AM 1:00 AM 2:00 AM Tuesday 3:00 AM 4:00 AM 5:00 AM 6:00 AM Tuesday 7:00 AM 8:00 AM 9:00 AM 10:00 AM Tuesday 11:00 AM 12:00 PM 1:00 PM 2:00 PM Tuesday 3:00 PM 4:00 PM 5:00 PM 6:00 PM Tuesday 7:00 PM 8:00 PM 9:00 PM 10:00 PM Tuesday 11:00 PM 12:00 AM 1:00 AM 2:00 AM Wednesday 3:00 AM 4:00 AM 5:00 AM 6:00 AM Wednesday 7:00 AM 8:00 AM 9:00 AM 10:00 AM Wednesday 11:00 AM 12:00 PM 1:00 PM 2:00 PM
Sustained wind Max gusts
Internal PR simulation: 4.51 Population: 38,993

Forecast data for Roy were last refreshed today at 2:15 PM. The current forecast period extends through 31/08/2026 at 12:00 PM. 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.