Portage, UT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Portage, a town in Box Elder County, Utah.
Today
88°F
Patchy Smoke
Patchy smoke. Sunny, with a high near 88. North northwest wind around 9 mph.
7-day forecast for Portage
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 88°F | Patchy Smoke | 9 mph NNW | 0% |
| Tonight | 54°F | Areas Of Smoke | 3 to 10 mph NW | 0% |
| Wednesday | 91°F | Areas Of Smoke | 3 to 8 mph W | 0% |
| Wednesday Night | 58°F | Patchy Smoke then Mostly Clear | 2 to 9 mph N | 0% |
| Thursday | 95°F | Sunny | 2 to 9 mph NW | 0% |
| Thursday Night | 63°F | Mostly Clear | 2 to 7 mph ESE | 0% |
| Friday | 98°F | Sunny | 2 to 10 mph SE | 0% |
| Friday Night | 66°F | Mostly Clear | 3 to 8 mph NW | 0% |
| Saturday | 98°F | Sunny | 2 to 9 mph NNW | 0% |
| Saturday Night | 68°F | Mostly Clear | 3 to 9 mph NNW | 0% |
| Sunday | 97°F | Mostly Sunny | 3 to 10 mph S | 2% |
| Sunday Night | 66°F | Partly Cloudy | 5 to 10 mph NW | 1% |
| Monday | 95°F | Mostly Sunny | 3 to 12 mph S | 2% |
| Monday Night | 65°F | Partly Cloudy | 6 to 10 mph WNW | 6% |
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 Aug 4, 2026.