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Now · 1:20 PM

Roy Weather & Hourly Forecast

United States · Washington · 98580

Partly cloudy
64°F
Partly cloudy
Feels like: 63°F
💧 Humidity 70% 🌡 Pressure 30.06 inHg 💨 Wind 3 mph 👁 Visibility 18.4 mi Clouds 55% ☀️ UV index 4.8 · Moderate 🌅 Sunrise 🌇 Sunset

Hourly Forecast for Roy

Today
Sunny · 2:00 PM Sunny
67° 💧 0.000 in 💨 3 mph H 64%30.06 inHg
Sunny · 5:00 PM Sunny
70° 💧 None 💨 5 mph H 58%30.00 inHg
Clear night · 8:00 PM Clear night
59° 💧 None 💨 4 mph H 80%30.00 inHg
Clear night · 11:00 PM Clear night
54° 💧 None 💨 2 mph H 92%30.00 inHg
Tomorrow
Partly cloudy night · 2:00 AM Partly cloudy night
51° 💧 None 💨 1 mph H 96%30.00 inHg
Fog at night · 5:00 AM Fog at night
48° 💧 None 💨 0 mph H 100%30.00 inHg
Fog · 8:00 AM Fog
49° 💧 None 💨 2 mph H 97%30.03 inHg
Overcast · 11:00 AM Overcast
60° 💧 None 💨 2 mph H 75%30.03 inHg
Overcast · 2:00 PM Overcast
68° 💧 None 💨 3 mph H 59%30.00 inHg
Sunny · 5:00 PM Sunny
70° 💧 None 💨 3 mph H 56%29.97 inHg
Mostly clear night · 8:00 PM Mostly clear night
60° 💧 None 💨 3 mph H 80%30.00 inHg
Mostly cloudy night · 11:00 PM Mostly cloudy night
56° 💧 None 💨 3 mph H 92%30.06 inHg
Tuesday
Overcast night · 2:00 AM Overcast night
54° 💧 None 💨 3 mph H 98%30.06 inHg
Fog at night · 5:00 AM Fog at night
54° 💧 0.001 in 💨 3 mph H 100%30.06 inHg
Overcast · 8:00 AM Overcast
56° 💧 0.001 in 💨 3 mph H 93%30.09 inHg
Mostly cloudy · 11:00 AM Mostly cloudy
61° 💧 0.006 in 💨 4 mph H 75%30.09 inHg

In Roy and, more broadly, across the state of Washington: The rest of the day will feature clear skies with mild temperatures ranging from 50 to 66 degrees Fahrenheit. Light southeast winds will blow at up to 4 mph, with occasional gusts reaching 13 mph. Overall, expect calm and pleasant weather conditions throughout the afternoon, with no precipitation in the forecast. It will be a comfortable day to be outdoors, with gentle breezes and clear skies continuing into the evening.

15-Day Weather Outlook for Roy

TomorrowTomorrow Mostly sunny Mostly sunny 70°/48° 💧 None 💨 4 mph
Tuesday, Sep 22Tue Sep 22 Mostly cloudy Mostly cloudy 69°/52° 💧 None 💨 6 mph
Wednesday, Sep 23Wed Sep 23 Overcast Overcast 65°/49° 💧 0.022 in 💨 6 mph
Thursday, Sep 24Thu Sep 24 Overcast Overcast 61°/51° 💧 0.002 in 💨 6 mph
Friday, Sep 25Fri Sep 25 Moderate rain Moderate rain 62°/51° 💧 0.121 in 💨 9 mph
Saturday, Sep 26Sat Sep 26 Mostly sunny Mostly sunny 64°/48° 💧 0.001 in 💨 10 mph
Sunday, Sep 27Sun Sep 27 Moderate rain Moderate rain 59°/42° 💧 0.431 in 💨 13 mph
Monday, Sep 28Mon Sep 28 Overcast Overcast 65°/47° 💧 0.014 in 💨 7 mph
Tuesday, Sep 29Tue Sep 29 Mostly sunny Mostly sunny 71°/43° 💧 None 💨 4 mph
Wednesday, Sep 30Wed Sep 30 Moderate rain Moderate rain 59°/48° 💧 0.547 in 💨 12 mph
Thursday, Oct 1Thu Oct 1 Mostly sunny Mostly sunny 60°/47° 💧 None 💨 8 mph
Friday, Oct 2Fri Oct 2 Partly cloudy Partly cloudy 61°/42° 💧 None 💨 4 mph
Saturday, Oct 3Sat Oct 3 Partly cloudy Partly cloudy 61°/46° 💧 0.001 in 💨 4 mph
Sunday, Oct 4Sun Oct 4 Partly cloudy Partly cloudy 57°/42° 💧 0.358 in 💨 12 mph
Monday, Oct 5Mon Oct 5 Partly cloudy Partly cloudy 49°/49° 💧 0.004 in 💨 10 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Roy

Vertical axis: °F · Color based on temperature
Sunny at 2:00 PM
67° Today 2:00 PM
Sunny at 3:00 PM
69° 3:00 PM
Sunny at 4:00 PM
70° 4:00 PM
Sunny at 5:00 PM
70° 5:00 PM
Sunny at 6:00 PM
68° Today 6:00 PM
Sunny at 7:00 PM
63° 7:00 PM
Clear night at 8:00 PM
59° 8:00 PM
Clear night at 9:00 PM
57° 9:00 PM
Clear night at 10:00 PM
55° Today 10:00 PM
Clear night at 11:00 PM
54° 11:00 PM
Mostly clear night at 12:00 AM
52° 12:00 AM
Partly cloudy night at 1:00 AM
51° 1:00 AM
Partly cloudy night at 2:00 AM
51° Tomorrow 2:00 AM
Partly cloudy night at 3:00 AM
50° 3:00 AM
Partly cloudy night at 4:00 AM
49° 4:00 AM
Fog at night at 5:00 AM
48° 5:00 AM
Fog at night at 6:00 AM
48° Tomorrow 6:00 AM
Fog at 7:00 AM
48° 7:00 AM
Fog at 8:00 AM
49° 8:00 AM
Overcast at 9:00 AM
52° 9:00 AM
Overcast at 10:00 AM
56° Tomorrow 10:00 AM
Overcast at 11:00 AM
60° 11:00 AM
Overcast at 12:00 PM
63° 12:00 PM
Overcast at 1:00 PM
65° 1:00 PM
Overcast at 2:00 PM
68° Tomorrow 2:00 PM
Overcast at 3:00 PM
69° 3:00 PM
Partly cloudy at 4:00 PM
70° 4:00 PM
Sunny at 5:00 PM
70° 5:00 PM
Sunny at 6:00 PM
69° Tomorrow 6:00 PM
Mostly sunny at 7:00 PM
63° 7:00 PM
Mostly clear night at 8:00 PM
60° 8:00 PM
Mostly cloudy night at 9:00 PM
58° 9:00 PM
Partly cloudy night at 10:00 PM
57° Tomorrow 10:00 PM
Mostly cloudy night at 11:00 PM
56° 11:00 PM
Mostly cloudy night at 12:00 AM
54° 12:00 AM
Overcast night at 1:00 AM
54° 1:00 AM
Overcast night at 2:00 AM
54° Tuesday 2:00 AM
Overcast night at 3:00 AM
53° 3:00 AM
Mist at night at 4:00 AM
54° 4:00 AM
Fog at night at 5:00 AM
54° 5:00 AM
Overcast night at 6:00 AM
54° Tuesday 6:00 AM
Overcast at 7:00 AM
55° 7:00 AM
Overcast at 8:00 AM
56° 8:00 AM
Overcast at 9:00 AM
57° 9:00 AM
Overcast at 10:00 AM
58° Tuesday 10:00 AM
Mostly cloudy at 11:00 AM
61° 11:00 AM
Mostly cloudy at 12:00 PM
63° 12:00 PM
Light rain at 1:00 PM
64° 1:00 PM
Partly cloudy at 2:00 PM
67° Tuesday 2:00 PM
Mostly sunny at 3:00 PM
69° 3:00 PM
Mostly sunny at 4:00 PM
69° 4:00 PM
Partly cloudy at 5:00 PM
68° 5:00 PM
Mostly cloudy at 6:00 PM
66° Tuesday 6:00 PM
Partly cloudy at 7:00 PM
61° 7:00 PM
Partly cloudy night at 8:00 PM
57° 8:00 PM
Mostly clear night at 9:00 PM
55° 9:00 PM
Clear night at 10:00 PM
53° Tuesday 10:00 PM
Clear night at 11:00 PM
52° 11:00 PM
Mostly clear night at 12:00 AM
51° 12:00 AM
Mostly cloudy night at 1:00 AM
51° 1:00 AM
Mostly cloudy night at 2:00 AM
51° Wednesday 2:00 AM
Overcast night at 3:00 AM
50° 3:00 AM
Mostly cloudy night at 4:00 AM
49° 4:00 AM
Mostly cloudy night at 5:00 AM
49° 5:00 AM
Overcast at 8:00 AM
52° Wednesday 8:00 AM
Overcast at 11:00 AM
60° 11:00 AM
Overcast at 2:00 PM
65° 2:00 PM
Mostly cloudy at 5:00 PM
65° 5:00 PM
Overcast night at 8:00 PM
57° Wednesday 8:00 PM
Overcast night at 11:00 PM
54° 11:00 PM
Overcast night at 2:00 AM
52° 2:00 AM
Overcast night at 5:00 AM
51° 5:00 AM
Light rain at 8:00 AM
51° Thursday 8:00 AM
Overcast at 11:00 AM
58° 11:00 AM
Overcast at 2:00 PM
61° 2:00 PM
Overcast at 5:00 PM
60° 5:00 PM
Overcast night at 8:00 PM
55° Thursday 8:00 PM
Overcast night at 11:00 PM
52° 11:00 PM
Overcast night at 2:00 AM
53° 2:00 AM
Moderate rain at 5:00 AM
52° 5:00 AM
Overcast at 8:00 AM
52° Friday 8:00 AM
Overcast at 11:00 AM
56° 11:00 AM
Overcast at 2:00 PM
59° 2:00 PM
Overcast at 5:00 PM
62° 5:00 PM
Clear night at 8:00 PM
55° Friday 8:00 PM
Clear night at 11:00 PM
51° 11:00 PM
Mostly clear night at 2:00 AM
51° 2:00 AM
Mostly clear night at 5:00 AM
50° 5:00 AM
Partly cloudy at 11:00 AM
59° Saturday 11:00 AM
Partly cloudy at 5:00 PM
64° 5:00 PM
Clear night at 11:00 PM
48° 11:00 PM
Mostly cloudy night at 5:00 AM
42° 5:00 AM
Moderate rain at 11:00 AM
51° Sunday 11:00 AM
Light rain at 5:00 PM
59° 5:00 PM
Mostly clear night at 11:00 PM
53° 11:00 PM
Mostly clear night at 5:00 AM
50° 5:00 AM
Overcast at 11:00 AM
60° Monday 11:00 AM
Partly cloudy at 5:00 PM
65° 5:00 PM
Partly cloudy night at 11:00 PM
47° 11:00 PM
Mostly clear night at 5:00 AM
43° 5:00 AM
Sunny at 11:00 AM
65° Tuesday 11:00 AM
Partly cloudy at 5:00 PM
71° 5:00 PM
Mostly clear night at 11:00 PM
53° 11:00 PM
Mostly cloudy night at 5:00 AM
48° 5:00 AM
Moderate rain at 11:00 AM
55° Wednesday 11:00 AM
Mostly sunny at 5:00 PM
59° 5:00 PM
Clear night at 11:00 PM
51° 11:00 PM
Mostly clear night at 5:00 AM
47° 5:00 AM
Partly cloudy at 11:00 AM
58° Thursday 11:00 AM
Overcast at 5:00 PM
60° 5:00 PM
Clear night at 11:00 PM
47° 11:00 PM
Overcast night at 5:00 AM
42° 5:00 AM
Mostly sunny at 11:00 AM
55° Friday 11:00 AM
Sunny at 5:00 PM
61° 5:00 PM
Partly cloudy night at 11:00 PM
48° 11:00 PM
Partly cloudy night at 5:00 AM
48° 5:00 AM
Partly cloudy at 11:00 AM
55° Saturday 11:00 AM
Sunny at 5:00 PM
61° 5:00 PM
Partly cloudy night at 11:00 PM
46° 11:00 PM
Overcast night at 5:00 AM
42° 5:00 AM
Overcast at 11:00 AM
57° Sunday 11:00 AM
Overcast at 5:00 PM
57° 5:00 PM
Partly cloudy night at 11:00 PM
52° 11:00 PM
Partly cloudy night at 5:00 AM
49° 5:00 AM

AIR QUALITY FORECAST

Air Quality Forecast for Roy

Hourly forecast · Updated every 2 hours
Fair
Nearest forecast value 2:00 PM
PM2.5 Fine particles Good 7,8µg/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 10,9µg/m³

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

O₃ Ozone Fair 90,2µg/m³

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

NO₂ Nitrogen dioxide Good 1,5µg/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 4,8Moderate 🙂Fair
Tomorrow UV 3,9Moderate 🙂Fair
Tuesday UV 3,9Moderate 🙂Fair
Wednesday UV 3,8Moderate 🙂Fair
Thursday UV 2,7Low 😊Good
Friday UV 5,0Moderate Unavailable
Saturday UV 4,0Moderate Unavailable
Hourly UV index today
2:00 PMUV 4,5 3:00 PMUV 3,6 4:00 PMUV 2,3 5:00 PMUV 1,1 6:00 PMUV 0,3 7:00 PMUV 0,0
Today's weather health advice Open today's recommendations.

Moderate UV risk

Sunglasses and sun protection are recommended for prolonged exposure.

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.

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 Roy

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

Tonight's Stargazing & Shooting Stars

Excellent observing conditions. Best local viewing window: 9:00 PM–10:00 PM.

96/100Best-hour score
BEST TIME TONIGHT 9:00 PM–10:00 PM Astronomical darkness: 8:55 PM–5:13 AM
Cloud cover 0% Real hourly forecast for the best viewing hour.
Moonlight 70% Waxing Gibbous · Moon about 19° above the horizon at the best viewing hour.
Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 17° high at the best hour.
Estimated visible meteors 0–1/hour Local estimate after weather, moonlight and radiant-height adjustments.
Chance ≥1 meteor in 30 min25%
UPCOMING METEOR PERIODSStart, peak and end dates · weather should be checked closer to the peak.
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
ACTIVE NOW
OCT 2–NOV 7
OrionidsStart OCT 2 · Peak OCT 21 · End NOV 7 · ZHR 20 · 77% Moon at peak
UPCOMING
OCT 20–DEC 10
Northern TauridsStart OCT 20 · Peak NOV 12 · End DEC 10 · ZHR 5 · 7% 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 Roy were last refreshed today at 1:18 PM. The current forecast period extends through 22/09/2026 at 11:00 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.