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Brighton, UT Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Brighton, a town in Salt Lake County, Utah.

This Afternoon
34°F
Mostly Sunny
Mostly sunny. High near 34, with temperatures falling to around 31 in the afternoon. South wind 3 to 8 mph.

7-day forecast for Brighton

WhenTempForecastWindPrecip
This Afternoon 34°F Mostly Sunny 3 to 8 mph S 1%
Tonight 26°F Mostly Cloudy 3 to 9 mph S 14%
Wednesday 28°F Light Snow Likely 5 mph WSW 74%
Wednesday Night 21°F Chance Light Snow then Partly Cloudy 3 mph WSW 29%
Thursday 32°F Mostly Sunny then Slight Chance Light Snow 0 to 3 mph SW 15%
Thursday Night 21°F Slight Chance Light Snow 3 mph WSW 15%
Friday 32°F Sunny 3 mph WNW 1%
Friday Night 23°F Partly Cloudy 3 mph N 1%
Saturday 38°F Sunny 1 mph NNW 0%
Saturday Night 29°F Mostly Clear 0 to 5 mph S 0%
Sunday 43°F Sunny 1 to 6 mph SW 0%
Sunday Night 32°F Partly Cloudy 1 to 6 mph NW 0%
Monday 42°F Mostly Sunny 1 to 6 mph NW 1%
Monday Night 33°F Mostly Cloudy 1 to 5 mph SW 4%

Forecast source: National Weather Service (api.weather.gov) for Brighton (40.611, -111.604). Updated through the day.

Growing snapshot for Brighton

Last spring frost
Jun 11
First fall frost
Sep 18
Growing season
98 days
Hardiness zone
6a

More local growing data for Brighton: nearby ZIP 84121 weather · frost dates · planting calendar · Utah frost dates

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Climate data from the nearest NOAA station, Alta, Ut (3.2 mi from Brighton). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.