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Now · 4:29 PM

Roy Weather & Hourly Forecast

United States · Washington · 98580

Mostly cloudy
69°F
Mostly cloudy
Feels like: 68°F
💧 Humidity 50% 🌡 Pressure 30.03 inHg 💨 Wind 9 mph 👁 Visibility 6.2 mi Clouds 71% ☀️ UV index 0.7 · Low 🌅 Sunrise 6:25 AM 🌇 Sunset 7:56 PM

Hourly Forecast for Roy

Today
Mostly cloudy · 5:00 PM Mostly cloudy
69° 💧 None 💨 9 mph H 50%30.03 inHg
Partly cloudy night · 8:00 PM Partly cloudy night
65° 💧 None 💨 8 mph H 58%30.03 inHg
Clear night · 11:00 PM Clear night
58° 💧 None 💨 7 mph H 89%30.09 inHg
Tomorrow
Mostly cloudy night · 2:00 AM Mostly cloudy night
54° 💧 None 💨 7 mph H 83%30.06 inHg
Mostly cloudy night · 5:00 AM Mostly cloudy night
54° 💧 None 💨 5 mph H 83%30.09 inHg
Overcast · 8:00 AM Overcast
55° 💧 None 💨 4 mph H 79%30.09 inHg
Overcast · 11:00 AM Overcast
61° 💧 None 💨 4 mph H 67%30.09 inHg
Overcast · 2:00 PM Overcast
71° 💧 None 💨 3 mph H 44%30.06 inHg
Mostly cloudy · 5:00 PM Mostly cloudy
70° 💧 None 💨 5 mph H 41%30.00 inHg
Mostly cloudy night · 8:00 PM Mostly cloudy night
63° 💧 None 💨 4 mph H 68%30.00 inHg
Mostly cloudy night · 11:00 PM Mostly cloudy night
60° 💧 None 💨 1 mph H 90%30.00 inHg
Monday
Partly cloudy night · 2:00 AM Partly cloudy night
56° 💧 None 💨 1 mph H 94%29.97 inHg
Partly cloudy night · 5:00 AM Partly cloudy night
54° 💧 None 💨 1 mph H 95%29.94 inHg
Mostly sunny · 8:00 AM Mostly sunny
54° 💧 None 💨 2 mph H 84%29.94 inHg
Partly cloudy · 11:00 AM Partly cloudy
69° 💧 None 💨 5 mph H 51%29.88 inHg
Mostly cloudy · 2:00 PM Mostly cloudy
78° 💧 None 💨 5 mph H 36%29.83 inHg

In Roy and, more broadly, across the state of Washington: As the afternoon progresses into the evening, expect a mix of sun and clouds with temperatures remaining cool, ranging from the mid-50s to around 59 degrees Fahrenheit. There may be a slight chance of rain, with some areas potentially seeing around 0.02 inches of accumulation, especially if the probability peaks at 80%. Winds will generally be moderate from the west at up to 10 mph, with gusts reaching around 16 mph. Conditions will be relatively mild but can become a bit gusty at times. Overall, it should be a typical late afternoon and evening with mild temperatures and occasional cloud cover, and some light rain could occur in spots.

15-Day Weather Outlook for Roy

TomorrowTomorrow Overcast Overcast 71°/53° 💧 None 💨 7 mph
Monday, Aug 31Mon Aug 31 Mostly cloudy Mostly cloudy 80°/48° 💧 None 💨 7 mph
Tuesday, Sep 1Tue Sep 1 Mostly cloudy Mostly cloudy 77°/51° 💧 None 💨 11 mph
Wednesday, Sep 2Wed Sep 2 Moderate rain Moderate rain 62°/54° 💧 0.28 in 💨 12 mph
Thursday, Sep 3Thu Sep 3 Light rain Light rain 69°/50° 💧 0.21 in 💨 8 mph
Friday, Sep 4Fri Sep 4 Sunny Sunny 73°/46° 💧 None 💨 9 mph
Saturday, Sep 5Sat Sep 5 Moderate rain Moderate rain 74°/52° 💧 0.20 in 💨 6 mph
Sunday, Sep 6Sun Sep 6 Mostly sunny Mostly sunny 75°/48° 💧 None 💨 4 mph
Monday, Sep 7Mon Sep 7 Sunny Sunny 77°/48° 💧 None 💨 7 mph
Tuesday, Sep 8Tue Sep 8 Overcast Overcast 76°/49° 💧 None 💨 6 mph
Wednesday, Sep 9Wed Sep 9 Overcast Overcast 79°/57° 💧 None 💨 7 mph
Thursday, Sep 10Thu Sep 10 Moderate rain Moderate rain 61°/57° 💧 0.65 in 💨 10 mph
Friday, Sep 11Fri Sep 11 Light rain Light rain 69°/51° 💧 0.02 in 💨 11 mph
Saturday, Sep 12Sat Sep 12 Light rain Light rain 64°/49° 💧 0.15 in 💨 10 mph
Sunday, Sep 13Sun Sep 13 Light rain Light rain 67°/46° 💧 0.01 in 💨 7 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Roy

Vertical axis: °F · Color based on temperature
Mostly cloudy at 5:00 PM
69° Today 5:00 PM
Mostly cloudy at 6:00 PM
69° 6:00 PM
Partly cloudy at 7:00 PM
67° 7:00 PM
Partly cloudy night at 8:00 PM
65° 8:00 PM
Mostly clear night at 9:00 PM
62° Today 9:00 PM
Mostly clear night at 10:00 PM
59° 10:00 PM
Clear night at 11:00 PM
58° 11:00 PM
Mostly clear night at 12:00 AM
56° 12:00 AM
Partly cloudy night at 1:00 AM
55° Tomorrow 1:00 AM
Mostly cloudy night at 2:00 AM
54° 2:00 AM
Mostly cloudy night at 3:00 AM
54° 3:00 AM
Mostly cloudy night at 4:00 AM
54° 4:00 AM
Mostly cloudy night at 5:00 AM
54° Tomorrow 5:00 AM
Overcast night at 6:00 AM
53° 6:00 AM
Overcast at 7:00 AM
54° 7:00 AM
Overcast at 8:00 AM
55° 8:00 AM
Overcast at 9:00 AM
58° Tomorrow 9:00 AM
Overcast at 10:00 AM
60° 10:00 AM
Overcast at 11:00 AM
61° 11:00 AM
Overcast at 12:00 PM
65° 12:00 PM
Overcast at 1:00 PM
68° Tomorrow 1:00 PM
Overcast at 2:00 PM
71° 2:00 PM
Mostly cloudy at 3:00 PM
71° 3:00 PM
Mostly cloudy at 4:00 PM
70° 4:00 PM
Mostly cloudy at 5:00 PM
70° Tomorrow 5:00 PM
Overcast at 6:00 PM
69° 6:00 PM
Overcast at 7:00 PM
67° 7:00 PM
Mostly cloudy night at 8:00 PM
63° 8:00 PM
Mostly cloudy night at 9:00 PM
62° Tomorrow 9:00 PM
Mostly cloudy night at 10:00 PM
61° 10:00 PM
Mostly cloudy night at 11:00 PM
60° 11:00 PM
Partly cloudy night at 12:00 AM
59° 12:00 AM
Partly cloudy night at 1:00 AM
58° Monday 1:00 AM
Partly cloudy night at 2:00 AM
56° 2:00 AM
Partly cloudy night at 3:00 AM
56° 3:00 AM
Partly cloudy night at 4:00 AM
55° 4:00 AM
Partly cloudy night at 5:00 AM
54° Monday 5:00 AM
Clear night at 6:00 AM
48° 6:00 AM
Mostly sunny at 7:00 AM
49° 7:00 AM
Mostly sunny at 8:00 AM
54° 8:00 AM
Partly cloudy at 9:00 AM
59° Monday 9:00 AM
Partly cloudy at 10:00 AM
64° 10:00 AM
Partly cloudy at 11:00 AM
69° 11:00 AM
Mostly cloudy at 12:00 PM
72° 12:00 PM
Mostly cloudy at 1:00 PM
76° Monday 1:00 PM
Mostly cloudy at 2:00 PM
78° 2:00 PM
Mostly cloudy at 3:00 PM
80° 3:00 PM
Mostly cloudy at 4:00 PM
80° 4:00 PM
Mostly cloudy at 5:00 PM
80° Monday 5:00 PM
Overcast at 6:00 PM
77° 6:00 PM
Mostly cloudy at 7:00 PM
73° 7:00 PM
Mostly cloudy night at 8:00 PM
66° 8:00 PM
Partly cloudy night at 9:00 PM
60° Monday 9:00 PM
Mostly cloudy night at 10:00 PM
58° 10:00 PM
Mostly cloudy night at 11:00 PM
56° 11:00 PM
Mostly cloudy night at 12:00 AM
55° 12:00 AM
Mostly cloudy night at 1:00 AM
54° Tuesday 1:00 AM
Overcast night at 2:00 AM
53° 2:00 AM
Mostly cloudy night at 3:00 AM
52° 3:00 AM
Overcast night at 4:00 AM
52° 4:00 AM
Overcast night at 5:00 AM
51° Tuesday 5:00 AM
Overcast night at 6:00 AM
51° 6:00 AM
Overcast at 7:00 AM
52° 7:00 AM
Mostly cloudy at 8:00 AM
57° 8:00 AM
Mostly cloudy at 9:00 AM
62° Tuesday 9:00 AM
Mostly cloudy at 10:00 AM
66° 10:00 AM
Mostly cloudy at 11:00 AM
70° 11:00 AM
Mostly cloudy at 12:00 PM
73° 12:00 PM
Mostly cloudy at 1:00 PM
76° Tuesday 1:00 PM
Mostly cloudy at 2:00 PM
77° 2:00 PM
Mostly cloudy at 3:00 PM
77° 3:00 PM
Overcast at 4:00 PM
76° 4:00 PM
Overcast at 5:00 PM
74° Tuesday 5:00 PM
Overcast at 6:00 PM
72° 6:00 PM
Overcast at 7:00 PM
68° 7:00 PM
Overcast night at 8:00 PM
64° 8:00 PM
Mostly cloudy night at 9:00 PM
60° Tuesday 9:00 PM
Mostly cloudy night at 10:00 PM
58° 10:00 PM
Mostly cloudy night at 11:00 PM
60° 11:00 PM
Overcast night at 12:00 AM
59° 12:00 AM
Overcast night at 1:00 AM
59° Wednesday 1:00 AM
Overcast night at 2:00 AM
58° 2:00 AM
Overcast night at 3:00 AM
59° 3:00 AM
Overcast night at 4:00 AM
59° 4:00 AM
Overcast night at 5:00 AM
59° Wednesday 5:00 AM
Overcast night at 6:00 AM
59° 6:00 AM
Overcast at 7:00 AM
59° 7:00 AM
Overcast at 8:00 AM
60° 8:00 AM
Overcast at 9:00 AM
61° Wednesday 9:00 AM
Overcast at 10:00 AM
62° 10:00 AM
Overcast at 11:00 AM
62° 11:00 AM
Overcast at 12:00 PM
63° 12:00 PM
Light rain at 1:00 PM
62° Wednesday 1:00 PM
Light rain at 2:00 PM
61° 2:00 PM
Moderate rain at 3:00 PM
59° 3:00 PM
Moderate rain at 4:00 PM
58° 4:00 PM

AIR QUALITY FORECAST

Air Quality Forecast for Roy

Hourly forecast · Updated every 2 hours
Fair
Nearest forecast value 5:00 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 69,5µg/m³

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

NO₂ Nitrogen dioxide Good 0,5µg/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 4,0Moderate 🙂Fair
Tomorrow UV 3,8Moderate 🙂Fair
Monday UV 5,4Moderate 🙂Fair
Tuesday UV 4,7Moderate 😊Good
Wednesday UV 4,0Moderate 🙂Fair
Thursday UV 4,0Moderate Unavailable
Friday UV 5,0Moderate Unavailable
Hourly UV index today
5:00 PMUV 0,8 6:00 PMUV 0,3 7:00 PMUV 0,1
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 5:00 PM 6:00 PM 7:00 PM 8:00 PM Today 9:00 PM 10:00 PM 11:00 PM 12:00 AM Tomorrow 1:00 AM 2:00 AM 3:00 AM 4:00 AM Tomorrow 5:00 AM 6:00 AM 7:00 AM 8:00 AM Tomorrow 9:00 AM 10:00 AM 11:00 AM 12:00 PM Tomorrow 1:00 PM 2:00 PM 3:00 PM 4:00 PM Tomorrow 5:00 PM 6:00 PM 7:00 PM 8:00 PM Tomorrow 9:00 PM 10:00 PM 11:00 PM 12:00 AM Monday 1:00 AM 2:00 AM 3:00 AM 4:00 AM Monday 5:00 AM 6:00 AM 7:00 AM 8:00 AM Monday 9:00 AM 10:00 AM 11:00 AM 12:00 PM Monday 1:00 PM 2:00 PM 3:00 PM 4:00 PM Monday 5:00 PM 6:00 PM 7:00 PM 8:00 PM Monday 9:00 PM 10:00 PM 11:00 PM 12:00 AM Tuesday 1:00 AM 2:00 AM 3:00 AM 4:00 AM Tuesday 5:00 AM 6:00 AM 7:00 AM 8:00 AM Tuesday 9:00 AM 10:00 AM 11:00 AM 12:00 PM Tuesday 1:00 PM 2:00 PM 3:00 PM 4:00 PM Tuesday 5:00 PM 6:00 PM 7:00 PM 8:00 PM Tuesday 9:00 PM 10:00 PM 11:00 PM 12:00 AM Wednesday 1:00 AM 2:00 AM 3:00 AM 4:00 AM Wednesday 5:00 AM 6:00 AM 7:00 AM 8:00 AM Wednesday 9:00 AM 10:00 AM 11:00 AM 12:00 PM Wednesday 1:00 PM 2:00 PM 3:00 PM 4:00 PM
Sustained wind Max gusts
Internal PR simulation: 3.66 Population: 735

Forecast data for Roy were last refreshed today at 4:29 PM. The current forecast period extends through 31/08/2026 at 2:00 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.