Magna, UT Weather & Growing Conditions
Today
89°F
Patchy Smoke
Patchy smoke. Sunny, with a high near 89. Northwest wind 1 to 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 89°F | Patchy Smoke | 1 to 10 mph NW | 0% |
| Tonight | 64°F | Areas Of Smoke | 2 to 8 mph WSW | 0% |
| Wednesday | 93°F | Patchy Smoke | 2 to 9 mph SSW | 0% |
| Wednesday Night | 67°F | Patchy Smoke then Mostly Clear | 3 to 8 mph E | 0% |
| Thursday | 98°F | Sunny | 3 to 10 mph NW | 0% |
| Thursday Night | 72°F | Mostly Clear | 2 to 8 mph E | 0% |
| Friday | 101°F | Sunny | 3 to 9 mph WNW | 0% |
| Friday Night | 75°F | Mostly Clear | 3 to 8 mph SE | 0% |
| Saturday | 101°F | Sunny | 2 to 9 mph SW | 0% |
| Saturday Night | 76°F | Mostly Clear | 2 to 7 mph ENE | 0% |
| Sunday | 100°F | Mostly Sunny | 5 to 9 mph WSW | 4% |
| Sunday Night | 75°F | Partly Cloudy | 6 to 9 mph SSE | 5% |
| Monday | 98°F | Mostly Sunny | 9 mph W | 8% |
| Monday Night | 73°F | Slight Chance Showers And Thunderstorms | 8 mph ENE | 12% |
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 Aug 4, 2026.