Junction, UT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Junction, a town in Piute County, Utah.
Overnight
58°F
Smoke
Smoke. Mostly clear. Low around 58, with temperatures rising to around 62 overnight. South wind around 3 mph.
7-day forecast for Junction
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 58°F | Smoke | 3 mph S | 0% |
| Tuesday | 93°F | Patchy Smoke then Sunny | 3 to 13 mph WSW | 0% |
| Tuesday Night | 58°F | Smoke | 3 to 10 mph W | 0% |
| Wednesday | 93°F | Sunny | 2 to 12 mph WSW | 0% |
| Wednesday Night | 59°F | Mostly Clear | 2 to 10 mph WNW | 0% |
| Thursday | 92°F | Sunny | 2 to 9 mph WSW | 5% |
| Thursday Night | 59°F | Mostly Clear | 3 to 8 mph SW | 1% |
| Friday | 93°F | Sunny | 2 to 6 mph SW | 7% |
| Friday Night | 60°F | Partly Cloudy | 5 to 8 mph WSW | 1% |
| Saturday | 93°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 2 to 6 mph SW | 20% |
| Saturday Night | 60°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 7 mph SW | 10% |
| Sunday | 91°F | Mostly Sunny then Chance Showers And Thunderstorms | 3 to 8 mph WSW | 43% |
| Sunday Night | 58°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 8 mph WSW | 17% |
| Monday | 88°F | Partly Sunny then Chance Showers And Thunderstorms | 3 to 7 mph WSW | 50% |
Forecast source: National Weather Service (api.weather.gov) for Junction (38.236, -112.225). Updated through the day.
Growing snapshot for Junction
Last spring frost
May 23
First fall frost
Sep 27
Growing season
125 days
Hardiness zone
5b
More local growing data for Junction: nearby ZIP 84743 weather · frost dates · planting calendar · Utah frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Circleville, Ut (5.7 mi from Junction). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.