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Loa, UT Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Loa, a town in Wayne County, Utah.

This Afternoon
50°F
Sunny
Sunny. High near 50, with temperatures falling to around 46 in the afternoon. Southeast wind 3 to 7 mph.

7-day forecast for Loa

WhenTempForecastWindPrecip
This Afternoon 50°F Sunny 3 to 7 mph SE 0%
Tonight 25°F Partly Cloudy then Patchy Fog 1 to 7 mph ESE 17%
Wednesday 45°F Patchy Fog then Slight Chance Rain And Snow 1 to 10 mph NW 20%
Wednesday Night 23°F Areas Of Fog 0 to 7 mph WNW 2%
Thursday 50°F Areas Of Fog then Mostly Sunny 0 to 3 mph E 0%
Thursday Night 26°F Partly Cloudy 0 to 3 mph N 1%
Friday 50°F Sunny 0 to 6 mph NNW 0%
Friday Night 26°F Mostly Clear 0 to 3 mph NNW 0%
Saturday 54°F Sunny 0 to 3 mph NNE 0%
Saturday Night 29°F Clear 2 mph ENE 0%
Sunday 58°F Sunny 0 to 3 mph ESE 0%
Sunday Night 31°F Mostly Clear 2 mph WSW 0%
Monday 57°F Mostly Sunny 2 mph S 7%
Monday Night 32°F Partly Cloudy 2 mph S 4%

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

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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 Nov 3, 2026.