Skip to content
Weather Tomorrow

Roy weather forecast

Utah, United States · Denver time · 41.16°, -112.03°

Current conditions · 7:00 AM local

Current conditions in Roy

60°F

Clear sky

Feels like 58°F

Humidity
59%
Wind
2 mph N
Gusts
4 mph
UV index
0.2
Visibility
18.7 mi

Right now

Conditions in Roy at the moment: clear sky, 15 °C. It feels close to the actual reading at 14 °C. Wind is from the N at 2 km/h. Humidity stands at 59% with sea-level pressure near 1009 hPa.

At a glance

Today

84° / 58°

Clear sky · extreme UV

Tomorrow

91° / 62°

Overcast · extreme UV

Upcoming · to Saturday

95° / 57°

A steady stretch: highs near 95°, lows around 57°, and no day above a 12% rain chance through Saturday.

Next 3 days

Today brings clear sky with a high of 29 °C and a low of 14 °C. Expect overcast tomorrow, between 17 °C and 33 °C. Tuesday brings overcast with a high of 34 °C and a low of 16 °C.

Today

Sun, Jun 21

Clear sky

84°58°

Rain chance
0%
Precip
0 in
Max wind
10 mph

Tomorrow

Mon, Jun 22

Overcast

91°62°

Rain chance
2%
Precip
0 in
Max wind
13 mph

Tuesday

Tue, Jun 23

Overcast

92°60°

Rain chance
0%
Precip
0 in
Max wind
12 mph

Next 48 hours

  1. 12 AM70°0%8 mph
  2. 1 AM68°0%5 mph
  3. 2 AM67°0%5 mph
  4. 3 AM64°0%4 mph
  5. 4 AM61°0%1 mph
  6. 5 AM61°0%1 mph
  7. 6 AM58°0%3 mph
  8. 7 AM60°0%2 mph
  9. 8 AM63°0%3 mph
  10. 9 AM68°0%3 mph
  11. 10 AM73°0%4 mph
  12. 11 AM76°0%5 mph
  13. 12 PM79°0%6 mph
  14. 1 PM82°0%6 mph
  15. 2 PM82°0%10 mph
  16. 3 PM83°0%10 mph
  17. 4 PM84°0%10 mph
  18. 5 PM84°0%9 mph
  19. 6 PM83°0%6 mph
  20. 7 PM83°0%4 mph
  21. 8 PM81°0%3 mph
  22. 9 PM76°0%4 mph
  23. 10 PM72°0%6 mph
  24. 11 PM70°0%7 mph
  25. 12 AM71°0%5 mph
  26. 1 AM70°1%1 mph
  27. 2 AM68°2%4 mph
  28. 3 AM67°2%5 mph
  29. 4 AM66°1%4 mph
  30. 5 AM67°1%2 mph
  31. 6 AM62°2%6 mph
  32. 7 AM67°1%3 mph
  33. 8 AM76°1%8 mph
  34. 9 AM80°1%4 mph
  35. 10 AM82°0%8 mph
  36. 11 AM84°0%5 mph
  37. 12 PM87°0%6 mph
  38. 1 PM89°0%8 mph
  39. 2 PM90°0%10 mph
  40. 3 PM90°0%10 mph
  41. 4 PM91°0%11 mph
  42. 5 PM91°0%10 mph
  43. 6 PM91°0%9 mph
  44. 7 PM90°0%7 mph
  45. 8 PM88°0%6 mph
  46. 9 PM82°0%13 mph
  47. 10 PM76°0%9 mph
  48. 11 PM71°0%8 mph

In depth

Across Roy right now you'll find clear sky and a temperature of 15 °C, with the apparent temperature at 14 °C. Today's forecast calls for clear sky, topping out near 29 °C before falling back to 14 °C overnight. Winds blow mainly from the WNW around 17 km/h, with gusts up to 31 km/h. Daytime highs hold fairly steady this week, staying within 29 to 35 °C. No meaningful rain shows up in the seven-day outlook, so dry conditions should dominate. Tomorrow brings overcast with a high of 33 °C and a 2% chance of precipitation. The UV index reaches 8 today, so sun protection is sensible during the middle of the day. Sunrise comes at 05:55 and sunset at 21:04, giving 15.1 hours of daylight. Current humidity sits at 59% with pressure near 1009 hPa. Looking further out, Thursday shows overcast with a high around 35 °C, while Saturday ends the week at 29 °C. Forecast details are refreshed throughout the day as new model runs arrive, so check back for the latest figures.

Air quality

41

Good

US AQI · European AQI 30

Air quality in Roy is currently good, with a US AQI of 41 (European AQI 30). The dominant pollutant right now is ozone. Air quality is healthy; no precautions needed. Fine particulate matter (PM2.5) measures 11.8 µg/m³.

Pollutants

PM2.5
11.8 µg/m³
PM10
14.4 µg/m³
Ozone (O₃)
76 µg/m³
NO₂
10.6 µg/m³
SO₂
0.3 µg/m³
CO
178 µg/m³
Dust
5 µg/m³

Sun & UV

Sunrise
5:55 AM
Sunset
9:04 PM
Daylight
15h 09m
Max UV
8.45 Very high

Wind

Wind
2 mph
Gusts
4 mph
Direction
N (352°)

Farming weather

Soil temperatures today read surface 15.7 °C, 6 cm 21.6 °C, 18 cm 23.3 °C, 54 cm 19.6 °C. Soil moisture sits at 0-1 cm at 0.04 m³/m³, 3-9 cm at 0.11 m³/m³, 27-81 cm at 0.26 m³/m³. For maize, the root-zone reading is below the ideal 0.2-0.35 m³/m³ band. Reference evapotranspiration totals 60 mm against only 0 mm of expected rain — a 60 mm deficit, so irrigation will be needed this week. A suitable spraying window opens around 06:00 on 2026-06-21, with winds at or below 15 km/h and no rain expected. Heat stress is likely for wheat with highs reaching 35 °C (threshold 32 °C). Projected growing degree days over the next week: maize 99, wheat 138.

Topsoil moisture
0.045 m³/m³
Soil temp
58°F
ET₀ today
7.2 mm
Spray window
~5:00
Rain (next 7d)
0 in
Wind
2 mph
Humidity
59%

Full farming outlook for Roy →

Advisory summary

No weather alert thresholds are crossed for Roy in the current forecast (derived from forecast data, not official warnings). Conditions may still change — check back for updates.

All data for Roy
Every forecast variable for Roy with human-readable labels
VariableValue
CityRoy, Utah, United States
Coordinates41.16161, -112.02633
Elevation1384 m
TimezoneAmerica/Denver
Population37,964
Observed at (local)7:00 AM
Temperature (2 m)60°F
Apparent temperature58°F
Relative humidity (2 m)59%
Dew point (2 m)45°F
Precipitation (last hour)0 in
Rain0 in
Showers0 in
Snowfall0 in
Weather code (WMO)0
Cloud cover0%
Surface pressure25.4 inHg
Sea-level pressure29.8 inHg
Wind speed (10 m)2 mph
Wind gusts (10 m)4 mph
Wind direction (10 m)352° (N)
Visibility18.7 mi
UV index0.2
Day / nightDay
Today max / min84°F / 58°F
Today feels-like max / min82°F / 54°F
Today precipitation sum0 in
Today rain sum0 in
Today snowfall sum0 in
Today max precip probability0%
Today max wind / gusts10 mph / 19 mph
Dominant wind direction285° (WNW)
Sunrise / sunset5:55 AM / 9:04 PM
Daylight duration15h 09m
Sunshine duration14h 58m
Max UV index8.45
Reference evapotranspiration (ET₀)7.2 mm
Topsoil moisture (0–1 cm)0.045 m³/m³
Surface soil temperature58°F
US AQI41
European AQI30
PM2.511.8 µg/m³
PM1014.4 µg/m³
Ozone (O₃)76 µg/m³
Nitrogen dioxide (NO₂)10.6 µg/m³
Sulphur dioxide (SO₂)0.3 µg/m³
Carbon monoxide (CO)178 µg/m³
Dust5 µg/m³

Weather widget

Preview widget →

Add live Roy weather to your own site — paste this snippet anywhere HTML is allowed. It stays in sync automatically.

<iframe src="https://weathertomorrow.cloud/embed/city/us/utah/roy" width="320" height="180" frameborder="0" title="Roy weather" loading="lazy"></iframe>

Frequently asked questions

Will it rain in Roy tomorrow?

Rain is unlikely in Roy tomorrow; the precipitation chance stays around 2%.

What is the temperature in Roy today?

Today Roy sees clear sky with a high of 29 °C and a low of 14 °C.

How hot will it be in Roy tomorrow?

Tomorrow's high in Roy is forecast at 33 °C with overcast.

Is it windy in Roy today?

No, not especially; gusts only reach up to 31 km/h today.

What is the UV index in Roy today?

The UV index peaks at 8 today, which is very high.

What time is sunrise and sunset in Roy today?

The sun rises at 05:55 and sets at 21:04 local time.

Is the air quality in Roy good today?

Air quality is good right now, with a US AQI reading of 41.