Mantua, UT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Mantua, a town in Box Elder County, Utah.
This Afternoon
69°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Mostly cloudy. High near 69, with temperatures falling to around 65 in the afternoon. Northeast wind around 8 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Mantua
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 69°F | Chance Showers And Thunderstorms | 8 mph NE | 61% |
| Tonight | 46°F | Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 0 to 5 mph E | 82% |
| Saturday | 64°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 2 to 8 mph WSW | 28% |
| Saturday Night | 44°F | Slight Chance Rain Showers then Mostly Clear | 5 mph SSW | 19% |
| Sunday | 67°F | Sunny | 2 to 7 mph ESE | 0% |
| Sunday Night | 46°F | Mostly Clear | 5 mph E | 0% |
| Monday | 73°F | Mostly Sunny | 6 mph E | 0% |
| Monday Night | 51°F | Partly Cloudy | 2 to 6 mph ENE | 2% |
| Tuesday | 73°F | Partly Sunny | 3 to 7 mph SW | 10% |
| Tuesday Night | 51°F | Slight Chance Showers And Thunderstorms | 6 mph SE | 22% |
| Wednesday | 74°F | Sunny | 7 mph SW | 4% |
| Wednesday Night | 50°F | Mostly Clear | 3 to 7 mph ESE | 5% |
| Thursday | 77°F | Sunny | 7 mph S | 3% |
| Thursday Night | 53°F | Partly Cloudy | 3 to 8 mph SE | 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 Sep 19, 2026.