Roy, UT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Roy, a city in Weber County, Utah.
Tonight
50°F
Showers And Thunderstorms then Slight Chance Showers And Thunderstorms
Showers and thunderstorms before 9pm, then a slight chance of showers and thunderstorms. Mostly cloudy. Low around 50, with temperatures rising to around 52 overnight. Northwest wind 1 to 6 mph. Chance of precipitation is 80%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Roy
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 50°F | Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 1 to 6 mph NW | 76% |
| Saturday | 69°F | Mostly Sunny | 5 mph S | 9% |
| Saturday Night | 48°F | Mostly Clear | 5 mph NE | 1% |
| Sunday | 72°F | Sunny | 5 mph N | 0% |
| Sunday Night | 50°F | Partly Cloudy | 3 mph ENE | 0% |
| Monday | 78°F | Mostly Sunny | 2 to 6 mph N | 0% |
| Monday Night | 54°F | Partly Cloudy | 5 mph NE | 7% |
| Tuesday | 77°F | Partly Sunny | 2 to 6 mph S | 8% |
| Tuesday Night | 54°F | Mostly Cloudy then Slight Chance Showers And Thunderstorms | 2 to 6 mph E | 20% |
| Wednesday | 79°F | Sunny | 2 to 6 mph S | 3% |
| Wednesday Night | 54°F | Mostly Clear | 2 to 6 mph ENE | 3% |
| Thursday | 82°F | Sunny | 1 to 6 mph SSE | 3% |
| Thursday Night | 56°F | Partly Cloudy | 2 to 6 mph E | 5% |
| Friday | 82°F | Mostly Sunny | 3 to 7 mph SSE | 7% |
Forecast source: National Weather Service (api.weather.gov) for Roy (41.171, -112.048). Updated through the day.
Growing snapshot for Roy
Last spring frost
Apr 22
First fall frost
Oct 22
Growing season
180 days
Hardiness zone
7a
More local growing data for Roy: nearby ZIP 84067 weather · frost dates · planting calendar · Utah frost dates
Nearby towns & communities
Eden
Farr West
Harrisville
Hooper
Huntsville
Liberty
Marriott-Slaterville
Mountain Green
North Ogden
Ogden
Plain City
Pleasant View
South Ogden
South Weber
South Willard
Uintah
Washington Terrace
West Haven
Willard
Wolf Creek
Climate data from the nearest NOAA station, Ogden Hinkley Ap, Ut (2.5 mi from Roy). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.