Magna, UT Weather & Growing Conditions
Overnight
40°F
Mostly Cloudy
Mostly cloudy, with a low around 40. West southwest wind around 1 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 40°F | Mostly Cloudy | 1 mph WSW | 12% |
| Wednesday | 48°F | Chance Light Rain | 0 to 8 mph W | 34% |
| Wednesday Night | 38°F | Slight Chance Light Rain then Partly Cloudy | 0 to 3 mph WSW | 15% |
| Thursday | 50°F | Partly Sunny | 0 to 6 mph WSW | 3% |
| Thursday Night | 38°F | Slight Chance Light Rain | 0 to 3 mph WSW | 15% |
| Friday | 51°F | Mostly Sunny | 0 to 7 mph NW | 3% |
| Friday Night | 37°F | Mostly Clear | 0 to 3 mph ENE | 0% |
| Saturday | 53°F | Sunny | 0 to 6 mph NNW | 0% |
| Saturday Night | 40°F | Mostly Clear | 1 mph ENE | 0% |
| Sunday | 58°F | Sunny | 0 to 3 mph SSE | 0% |
| Sunday Night | 43°F | Partly Cloudy | 2 mph SE | 0% |
| Monday | 58°F | Mostly Sunny | 1 mph NNE | 0% |
| Monday Night | 43°F | Mostly Cloudy | 1 mph NNW | 0% |
| Tuesday | 57°F | Partly Sunny | 2 mph NW | 3% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Magna, UT
Last spring frost
Apr 3
First fall frost
Nov 4
Growing season
213 days
Hardiness zone
7b
Explore more for Magna, UT: full frost dates · planting calendar · Utah frost dates
Climate data from the nearest NOAA station, Garfield, Ut (4.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.