Portage, UT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Portage, a town in Box Elder County, Utah.
Tonight
36°F
Cloudy
Cloudy. Low around 36, with temperatures rising to around 38 overnight. North wind around 5 mph.
7-day forecast for Portage
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 36°F | Cloudy | 5 mph N | 2% |
| Wednesday | 54°F | Partly Sunny | 3 to 7 mph N | 8% |
| Wednesday Night | 32°F | Mostly Clear | 5 mph NNE | 3% |
| Thursday | 51°F | Partly Sunny | 5 mph SSE | 9% |
| Thursday Night | 32°F | Partly Cloudy | 5 mph NW | 9% |
| Friday | 52°F | Mostly Sunny | 5 mph NNW | 1% |
| Friday Night | 32°F | Partly Cloudy | 3 mph E | 1% |
| Saturday | 55°F | Sunny | 3 mph SSE | 0% |
| Saturday Night | 34°F | Mostly Clear | 2 mph SSE | 0% |
| Sunday | 58°F | Sunny | 2 to 8 mph S | 0% |
| Sunday Night | 37°F | Partly Cloudy | 1 to 5 mph ESE | 0% |
| Monday | 59°F | Mostly Sunny | 1 to 6 mph SSE | 1% |
| Monday Night | 38°F | Mostly Cloudy | 3 mph SSE | 3% |
| Tuesday | 59°F | Mostly Sunny | 1 to 5 mph S | 4% |
Forecast source: National Weather Service (api.weather.gov) for Portage (41.976, -112.241). Updated through the day.
Growing snapshot for Portage
Last spring frost
May 3
First fall frost
Oct 12
Growing season
160 days
Hardiness zone
6a
More local growing data for Portage: nearby ZIP 84330 weather · frost dates · planting calendar · Utah frost dates
Nearby towns & communities
Bear River City
Brigham City
Corinne
Deweyville
Elwood
Fielding
Garland
Honeyville
Howell
Mantua
Perry
Plymouth
Riverside
Snowville
Thatcher
Tremonton
Climate data from the nearest NOAA station, Cutler Dam, Ut (7.7 mi from Portage). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.