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Plain City, UT Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Plain City, a city in Weber County, Utah.

This Afternoon
74°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Mostly cloudy. High near 74, with temperatures falling to around 70 in the afternoon. North wind around 6 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.

7-day forecast for Plain City

WhenTempForecastWindPrecip
This Afternoon 74°F Chance Showers And Thunderstorms 6 mph N 56%
Tonight 49°F Showers And Thunderstorms then Slight Chance Showers And Thunderstorms 5 mph N 77%
Saturday 69°F Mostly Sunny then Slight Chance Showers And Thunderstorms 3 mph SW 11%
Saturday Night 47°F Mostly Clear 5 mph NE 5%
Sunday 71°F Sunny 3 mph N 0%
Sunday Night 49°F Mostly Clear 3 mph NE 0%
Monday 77°F Mostly Sunny 1 to 5 mph N 0%
Monday Night 54°F Partly Cloudy 3 mph NE 4%
Tuesday 77°F Partly Sunny 1 to 5 mph WSW 8%
Tuesday Night 54°F Slight Chance Showers And Thunderstorms 1 to 5 mph ESE 19%
Wednesday 78°F Sunny 1 to 5 mph SW 3%
Wednesday Night 53°F Mostly Clear 3 mph ENE 4%
Thursday 81°F Sunny 1 to 5 mph SW 2%
Thursday Night 56°F Partly Cloudy 1 to 5 mph ESE 5%

Forecast source: National Weather Service (api.weather.gov) for Plain City (41.307, -112.094). Updated through the day.

Growing snapshot for Plain City

Last spring frost
Apr 22
First fall frost
Oct 18
Growing season
177 days
Hardiness zone
7a

More local growing data for Plain City: nearby ZIP 84404 weather · frost dates · planting calendar · Utah frost dates

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Climate data from the nearest NOAA station, Ogden Sugar Factory, Ut (5.3 mi from Plain City). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.