Portage, UT Weather & Growing Conditions
Today
46°F
Partly Sunny
Partly sunny. High near 46, with temperatures falling to around 44 in the afternoon. North wind around 8 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 46°F | Partly Sunny | 8 mph N | 4% |
| Tonight | 31°F | Partly Cloudy | 6 mph NNE | 2% |
| Thursday | 43°F | Partly Sunny | 6 mph SSE | 8% |
| Thursday Night | 31°F | Partly Cloudy | 3 to 7 mph NW | 8% |
| Friday | 44°F | Sunny | 3 to 7 mph NW | 0% |
| Friday Night | 30°F | Mostly Clear | 3 mph SSE | 0% |
| Saturday | 47°F | Sunny | 1 to 5 mph S | 0% |
| Saturday Night | 33°F | Mostly Clear | 1 to 5 mph SE | 0% |
| Sunday | 50°F | Sunny | 5 to 9 mph SSE | 0% |
| Sunday Night | 35°F | Partly Cloudy | 5 mph SE | 0% |
| Monday | 51°F | Mostly Sunny | 3 to 7 mph SE | 0% |
| Monday Night | 36°F | Mostly Cloudy | 5 mph ESE | 0% |
| Tuesday | 51°F | Mostly Sunny | 6 mph SSE | 1% |
| Tuesday Night | 36°F | Partly Cloudy | 5 mph SE | 7% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Portage, UT
Last spring frost
May 22
First fall frost
Sep 20
Growing season
116 days
Hardiness zone
6a
Explore more for Portage, UT: full frost dates · planting calendar · Utah frost dates
Climate data from the nearest NOAA station, Malad City, Id (14.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.