New Harmony, UT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for New Harmony, a town in Washington County, Utah.
This Afternoon
79°F
Sunny
Sunny, with a high near 79. South wind around 8 mph.
7-day forecast for New Harmony
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 79°F | Sunny | 8 mph S | 0% |
| Tonight | 54°F | Clear | 2 to 7 mph WNW | 0% |
| Sunday | 80°F | Mostly Sunny | 6 mph NE | 0% |
| Sunday Night | 56°F | Partly Cloudy | 0 to 3 mph E | 0% |
| Monday | 80°F | Mostly Sunny | 1 to 10 mph E | 1% |
| Monday Night | 56°F | Chance Showers And Thunderstorms | 1 to 7 mph SE | 37% |
| Tuesday | 76°F | Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 1 to 10 mph SE | 45% |
| Tuesday Night | 54°F | Mostly Clear | 0 to 6 mph NNE | 7% |
| Wednesday | 79°F | Sunny | 0 to 7 mph SE | 6% |
| Wednesday Night | 57°F | Mostly Clear | 0 to 3 mph ESE | 1% |
| Thursday | 80°F | Sunny | 0 to 7 mph ESE | 8% |
| Thursday Night | 58°F | Mostly Clear | 1 to 6 mph SSE | 9% |
| Friday | 79°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 1 to 9 mph SSE | 19% |
| Friday Night | 58°F | Slight Chance Showers And Thunderstorms | 1 to 6 mph S | 18% |
Forecast source: National Weather Service (api.weather.gov) for New Harmony (37.480, -113.309). Updated through the day.
Growing snapshot for New Harmony
Last spring frost
May 9
First fall frost
Oct 11
Growing season
155 days
Hardiness zone
7a
More local growing data for New Harmony: nearby ZIP 84757 weather · frost dates · planting calendar · Utah frost dates
Nearby towns & communities
Apple Valley
Central
Dammeron Valley
Enterprise
Hildale
Hurricane
Ivins
La Verkin
Leeds
Pine Valley
Rockville
Santa Clara
Springdale
St. George
Toquerville
Veyo
Virgin
Washington
Climate data from the nearest NOAA station, New Harmony, Ut (1.1 mi from New Harmony). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.