New Harmony, UT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for New Harmony, a town in Washington County, Utah.
Overnight
55°F
Clear
Clear. Low around 55, with temperatures rising to around 57 overnight. Northeast wind around 1 mph.
7-day forecast for New Harmony
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 55°F | Clear | 1 mph NE | 0% |
| Saturday | 79°F | Sunny | 2 to 7 mph ESE | 0% |
| Saturday Night | 54°F | Mostly Clear | 2 to 6 mph NW | 0% |
| Sunday | 79°F | Mostly Sunny | 6 mph NNE | 0% |
| Sunday Night | 56°F | Partly Cloudy | 0 to 3 mph E | 0% |
| Monday | 79°F | Mostly Sunny | 1 to 8 mph SE | 3% |
| Monday Night | 56°F | Chance Showers And Thunderstorms | 0 to 5 mph SE | 52% |
| Tuesday | 75°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 1 to 8 mph ESE | 58% |
| Tuesday Night | 53°F | Mostly Clear | 1 to 5 mph ENE | 10% |
| Wednesday | 78°F | Sunny | 1 to 7 mph ESE | 8% |
| Wednesday Night | 56°F | Mostly Clear | 0 to 3 mph ENE | 2% |
| Thursday | 80°F | Sunny | 1 to 7 mph ESE | 7% |
| Thursday Night | 58°F | Partly Cloudy | 1 to 5 mph SE | 10% |
| Friday | 78°F | Chance Showers And Thunderstorms | 1 to 8 mph SSE | 30% |
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 19, 2026.