Loa, UT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Loa, a town in Wayne County, Utah.
Today
71°F
Sunny
Sunny. High near 71, with temperatures falling to around 68 in the afternoon. West wind 0 to 12 mph.
7-day forecast for Loa
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 71°F | Sunny | 0 to 12 mph W | 5% |
| Tonight | 35°F | Mostly Clear | 1 to 10 mph WNW | 2% |
| Sunday | 71°F | Sunny | 0 to 7 mph W | 0% |
| Sunday Night | 36°F | Partly Cloudy | 0 to 3 mph N | 0% |
| Monday | 71°F | Mostly Sunny | 0 to 8 mph ESE | 3% |
| Monday Night | 38°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 0 to 7 mph S | 36% |
| Tuesday | 66°F | Showers And Thunderstorms | 0 to 8 mph ESE | 81% |
| Tuesday Night | 35°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 to 6 mph SSE | 31% |
| Wednesday | 68°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 6 mph SE | 23% |
| Wednesday Night | 36°F | Partly Cloudy | 0 to 6 mph S | 8% |
| Thursday | 70°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 6 mph NNW | 20% |
| Thursday Night | 38°F | Partly Cloudy then Slight Chance Rain Showers | 0 to 6 mph SE | 15% |
| Friday | 68°F | Chance Showers And Thunderstorms | 0 to 6 mph SE | 43% |
| Friday Night | 38°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph SSW | 20% |
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 Sep 19, 2026.