Magna, UT Weather & Growing Conditions
This Afternoon
70°F
Sunny
Sunny, with a high near 70. Northwest wind around 8 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 70°F | Sunny | 8 mph NW | 4% |
| Tonight | 51°F | Mostly Clear | 1 to 6 mph WSW | 2% |
| Sunday | 72°F | Sunny | 0 to 8 mph ENE | 1% |
| Sunday Night | 52°F | Mostly Clear | 1 to 5 mph ESE | 0% |
| Monday | 76°F | Sunny | 0 to 7 mph ENE | 0% |
| Monday Night | 57°F | Mostly Cloudy | 5 mph E | 7% |
| Tuesday | 77°F | Chance Showers And Thunderstorms | 2 to 6 mph SSW | 37% |
| Tuesday Night | 55°F | Chance Showers And Thunderstorms | 3 to 7 mph SW | 33% |
| Wednesday | 79°F | Sunny | 2 to 6 mph S | 9% |
| Wednesday Night | 58°F | Mostly Clear | 5 mph E | 1% |
| Thursday | 83°F | Sunny | 2 to 6 mph SSE | 1% |
| Thursday Night | 61°F | Partly Cloudy | 3 to 7 mph ESE | 2% |
| Friday | 84°F | Mostly Sunny | 8 mph SSE | 7% |
| Friday Night | 61°F | Slight Chance Showers And Thunderstorms | 6 to 10 mph SSE | 16% |
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 Sep 19, 2026.