Roy, UT Weather & Growing Conditions
This Afternoon
54°F
Mostly Sunny
Mostly sunny. High near 54, with temperatures falling to around 51 in the afternoon. North northeast wind around 3 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 54°F | Mostly Sunny | 3 mph NNE | 1% |
| Tonight | 38°F | Mostly Cloudy | 5 mph NE | 8% |
| Wednesday | 53°F | Chance Light Rain | 5 mph S | 30% |
| Wednesday Night | 36°F | Chance Light Rain then Partly Cloudy | 5 mph ESE | 30% |
| Thursday | 53°F | Partly Sunny then Slight Chance Light Rain | 5 mph WSW | 15% |
| Thursday Night | 36°F | Slight Chance Light Rain then Partly Cloudy | 3 mph NE | 15% |
| Friday | 54°F | Mostly Sunny | 5 mph NW | 1% |
| Friday Night | 35°F | Partly Cloudy | 3 mph E | 1% |
| Saturday | 56°F | Sunny | 1 to 5 mph W | 0% |
| Saturday Night | 37°F | Mostly Clear | 2 mph E | 0% |
| Sunday | 60°F | Sunny | 3 mph WSW | 0% |
| Sunday Night | 40°F | Partly Cloudy | 2 mph ENE | 0% |
| Monday | 61°F | Mostly Sunny | 2 mph WSW | 1% |
| Monday Night | 42°F | Mostly Cloudy | 1 mph E | 5% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Roy, UT
Last spring frost
Apr 22
First fall frost
Oct 22
Growing season
180 days
Hardiness zone
7a
Explore more for Roy, UT: full frost dates · planting calendar · Utah frost dates
Climate data from the nearest NOAA station, Ogden Hinkley Ap, Ut (2.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.