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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.

Tonight
37°F
Mostly Cloudy
Mostly cloudy. Low around 37, with temperatures rising to around 39 overnight. Northeast wind around 3 mph.

7-day forecast for Plain City

WhenTempForecastWindPrecip
Tonight 37°F Mostly Cloudy 3 mph NE 9%
Wednesday 52°F Slight Chance Light Rain 3 mph SSW 18%
Wednesday Night 35°F Partly Cloudy 5 mph ESE 14%
Thursday 52°F Partly Sunny 3 mph SW 13%
Thursday Night 34°F Patchy Fog 2 mph ENE 13%
Friday 53°F Patchy Fog then Mostly Sunny 3 mph NW 1%
Friday Night 35°F Partly Cloudy 2 mph E 1%
Saturday 55°F Sunny 2 mph NNW 0%
Saturday Night 36°F Mostly Clear 2 mph NE 0%
Sunday 59°F Sunny 2 mph SW 0%
Sunday Night 40°F Partly Cloudy 2 mph ENE 0%
Monday 60°F Mostly Sunny 2 mph W 1%
Monday Night 41°F Mostly Cloudy 1 mph ENE 5%
Tuesday 60°F Mostly Sunny 1 mph SSW 6%

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 Nov 4, 2026.