Mantua, UT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Mantua, a town in Box Elder County, Utah.
Today
87°F
Patchy Smoke
Patchy smoke. Sunny, with a high near 87. West northwest wind around 9 mph.
7-day forecast for Mantua
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 87°F | Patchy Smoke | 9 mph WNW | 0% |
| Tonight | 55°F | Areas Of Smoke | 3 to 8 mph E | 0% |
| Wednesday | 88°F | Areas Of Smoke | 3 to 9 mph WSW | 0% |
| Wednesday Night | 58°F | Patchy Smoke | 6 mph SE | 0% |
| Thursday | 95°F | Patchy Smoke then Sunny | 3 to 9 mph SSW | 0% |
| Thursday Night | 62°F | Clear | 7 mph SSE | 0% |
| Friday | 98°F | Sunny | 5 to 9 mph SSE | 0% |
| Friday Night | 63°F | Mostly Clear | 3 to 8 mph SE | 0% |
| Saturday | 98°F | Sunny | 3 to 10 mph S | 0% |
| Saturday Night | 65°F | Mostly Clear | 3 to 8 mph SSE | 0% |
| Sunday | 97°F | Mostly Sunny | 5 to 12 mph S | 0% |
| Sunday Night | 66°F | Partly Cloudy | 3 to 9 mph S | 0% |
| Monday | 95°F | Mostly Sunny | 5 to 10 mph S | 2% |
| Monday Night | 65°F | Partly Cloudy | 3 to 8 mph SSE | 4% |
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 Aug 4, 2026.