Nephi, UT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Nephi, a city in Juab County, Utah.
Today
55°F
Mostly Sunny
Mostly sunny. High near 55, with temperatures falling to around 49 in the afternoon. South wind around 3 mph.
7-day forecast for Nephi
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 55°F | Mostly Sunny | 3 mph S | 1% |
| Tonight | 35°F | Mostly Cloudy then Chance Rain And Snow | 5 mph ESE | 54% |
| Wednesday | 45°F | Chance Rain And Snow then Rain And Snow Likely | 3 mph SW | 62% |
| Wednesday Night | 31°F | Mostly Cloudy | 2 mph NNE | 11% |
| Thursday | 51°F | Mostly Sunny | 2 mph WNW | 1% |
| Thursday Night | 32°F | Partly Cloudy | 2 mph NNE | 1% |
| Friday | 52°F | Mostly Sunny | 1 to 5 mph N | 1% |
| Friday Night | 32°F | Mostly Clear | 3 mph ENE | 1% |
| Saturday | 55°F | Sunny | 2 mph NNW | 0% |
| Saturday Night | 34°F | Mostly Clear | 3 mph ENE | 0% |
| Sunday | 60°F | Sunny | 2 mph SE | 0% |
| Sunday Night | 38°F | Partly Cloudy | 0 to 5 mph NE | 0% |
| Monday | 63°F | Mostly Sunny | 0 to 3 mph S | 0% |
| Monday Night | 40°F | Mostly Cloudy | 0 to 5 mph SE | 2% |
Forecast source: National Weather Service (api.weather.gov) for Nephi (39.705, -111.833). Updated through the day.
Growing snapshot for Nephi
Last spring frost
May 6
First fall frost
Oct 10
Growing season
156 days
Hardiness zone
6a
More local growing data for Nephi: nearby ZIP 84648 weather · frost dates · planting calendar · Utah frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Nephi, Ut (2.6 mi from Nephi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.