Harman US

Helper, UT Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Helper, a city in Carbon County, Utah.

This Afternoon
68°F
Showers And Thunderstorms
Showers and thunderstorms. Cloudy. High near 68, with temperatures falling to around 64 in the afternoon. South wind around 8 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

7-day forecast for Helper

WhenTempForecastWindPrecip
This Afternoon 68°F Showers And Thunderstorms 8 mph S 90%
Tonight 51°F Showers And Thunderstorms then Slight Chance Showers And Thunderstorms 5 mph N 79%
Saturday 68°F Mostly Sunny then Chance Showers And Thunderstorms 7 mph NNW 29%
Saturday Night 47°F Mostly Clear 10 mph NNW 0%
Sunday 71°F Sunny 5 to 9 mph W 0%
Sunday Night 49°F Partly Cloudy 6 mph NW 0%
Monday 72°F Mostly Sunny 7 mph E 0%
Monday Night 53°F Partly Cloudy then Slight Chance Showers And Thunderstorms 5 mph NE 22%
Tuesday 69°F Chance Showers And Thunderstorms 5 to 8 mph E 46%
Tuesday Night 51°F Chance Showers And Thunderstorms 5 mph NNE 46%
Wednesday 71°F Mostly Sunny then Slight Chance Showers And Thunderstorms 2 to 6 mph ENE 17%
Wednesday Night 52°F Slight Chance Showers And Thunderstorms then Mostly Clear 3 mph NNW 11%
Thursday 73°F Mostly Sunny then Slight Chance Showers And Thunderstorms 6 mph ESE 15%
Thursday Night 54°F Slight Chance Showers And Thunderstorms 5 mph ESE 17%

Forecast source: National Weather Service (api.weather.gov) for Helper (39.690, -110.860). Updated through the day.

Growing snapshot for Helper

Last spring frost
May 3
First fall frost
Oct 12
Growing season
160 days
Hardiness zone
6b

More local growing data for Helper: nearby ZIP 84529 weather · frost dates · planting calendar · Utah frost dates

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Climate data from the nearest NOAA station, Price Carbon Co Ap, Ut (7.1 mi from Helper). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 18, 2026.