Mantua, UT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Mantua, a town in Box Elder County, Utah.
Tonight
34°F
Mostly Cloudy
Mostly cloudy. Low around 34, with temperatures rising to around 36 overnight. East southeast wind around 5 mph.
7-day forecast for Mantua
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 34°F | Mostly Cloudy | 5 mph ESE | 10% |
| Wednesday | 48°F | Slight Chance Light Rain | 6 mph NNE | 19% |
| Wednesday Night | 31°F | Patchy Fog | 3 mph ESE | 5% |
| Thursday | 48°F | Patchy Fog then Partly Sunny | 1 to 6 mph S | 13% |
| Thursday Night | 31°F | Patchy Fog | 2 mph E | 13% |
| Friday | 49°F | Patchy Fog then Mostly Sunny | 1 to 6 mph NNW | 1% |
| Friday Night | 31°F | Partly Cloudy | 3 mph ESE | 1% |
| Saturday | 52°F | Sunny | 1 to 5 mph N | 0% |
| Saturday Night | 34°F | Mostly Clear | 1 to 5 mph SE | 0% |
| Sunday | 56°F | Sunny | 1 to 7 mph SW | 0% |
| Sunday Night | 37°F | Partly Cloudy | 1 to 5 mph ESE | 0% |
| Monday | 57°F | Mostly Sunny | 1 to 5 mph S | 1% |
| Monday Night | 39°F | Mostly Cloudy | 2 mph SE | 5% |
| Tuesday | 56°F | Mostly Sunny | 1 to 5 mph S | 5% |
Forecast source: National Weather Service (api.weather.gov) for Mantua (41.498, -111.936). Updated through the day.
Growing snapshot for Mantua
Last spring frost
May 5
First fall frost
Oct 5
Growing season
150 days
Hardiness zone
6a
More local growing data for Mantua: nearby ZIP 84324 weather · frost dates · planting calendar · Utah frost dates
Nearby towns & communities
Bear River City
Brigham City
Corinne
Deweyville
Elwood
Fielding
Garland
Honeyville
Howell
Perry
Plymouth
Portage
Riverside
Snowville
Thatcher
Tremonton
Climate data from the nearest NOAA station, Brigham City Waste Plt, Ut (5.7 mi from Mantua). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.