Loa, UT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Loa, a town in Wayne County, Utah.
Overnight
52°F
Smoke
Smoke. Mostly clear. Low around 52, with temperatures rising to around 56 overnight. West southwest wind around 2 mph.
7-day forecast for Loa
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 52°F | Smoke | 2 mph WSW | 0% |
| Tuesday | 89°F | Areas Of Smoke | 1 to 14 mph W | 0% |
| Tuesday Night | 52°F | Smoke | 1 to 15 mph NW | 0% |
| Wednesday | 89°F | Patchy Smoke | 1 to 13 mph W | 0% |
| Wednesday Night | 53°F | Areas Of Smoke then Mostly Clear | 1 to 13 mph WNW | 0% |
| Thursday | 88°F | Sunny | 1 to 8 mph W | 4% |
| Thursday Night | 55°F | Mostly Clear | 1 to 9 mph W | 0% |
| Friday | 89°F | Sunny | 1 to 7 mph WSW | 3% |
| Friday Night | 57°F | Partly Cloudy | 1 to 8 mph WNW | 0% |
| Saturday | 88°F | Sunny then Slight Chance Showers And Thunderstorms | 1 to 7 mph WSW | 15% |
| Saturday Night | 57°F | Mostly Cloudy | 1 to 8 mph W | 1% |
| Sunday | 86°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 1 to 7 mph WSW | 42% |
| Sunday Night | 54°F | Slight Chance Showers And Thunderstorms then Mostly Cloudy | 1 to 8 mph W | 15% |
| Monday | 84°F | Partly Sunny then Showers And Thunderstorms Likely | 2 to 7 mph WNW | 57% |
Forecast source: National Weather Service (api.weather.gov) for Loa (38.404, -111.645). Updated through the day.
Growing snapshot for Loa
Last spring frost
May 31
First fall frost
Sep 21
Growing season
112 days
Hardiness zone
6a
More local growing data for Loa: nearby ZIP 84747 weather · frost dates · planting calendar · Utah frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Loa, Ut (2.8 mi from Loa). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.