Harman US

Silver Summit, UT Weather & Growing Conditions

Tonight
39°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Mostly cloudy. Low around 39, with temperatures rising to around 42 overnight. West southwest wind 0 to 3 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
Tonight 39°F Chance Showers And Thunderstorms 0 to 3 mph WSW 49%
Saturday 64°F Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms 0 to 10 mph WNW 25%
Saturday Night 35°F Partly Cloudy 1 to 8 mph SSW 2%
Sunday 67°F Sunny 0 to 7 mph SW 0%
Sunday Night 37°F Mostly Clear 0 to 6 mph E 0%
Monday 73°F Mostly Sunny 0 to 5 mph NNW 0%
Monday Night 43°F Partly Cloudy then Slight Chance Showers And Thunderstorms 3 mph E 15%
Tuesday 71°F Chance Rain Showers 1 to 5 mph SSE 54%
Tuesday Night 39°F Chance Showers And Thunderstorms 1 to 5 mph SSE 38%
Wednesday 72°F Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms 1 to 5 mph SSW 18%
Wednesday Night 40°F Mostly Clear 3 mph S 4%
Thursday 75°F Mostly Sunny 1 to 5 mph SSW 8%
Thursday Night 43°F Partly Cloudy 5 mph SW 8%
Friday 74°F Mostly Sunny then Slight Chance Showers And Thunderstorms 2 to 6 mph S 13%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Silver Summit, UT

Last spring frost
May 29
First fall frost
Sep 25
Growing season
117 days
Hardiness zone
5b

Explore more for Silver Summit, UT: full frost dates · planting calendar · Utah frost dates

Climate data from the nearest NOAA station, Park City, Ut (6.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.