Silver Summit, UT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Silver Summit, a community in Summit County, Utah.
Overnight
28°F
Patchy Fog
Patchy fog before 5am, then patchy fog and a slight chance of rain and snow. Mostly cloudy. Low around 28, with temperatures rising to around 30 overnight. East wind around 1 mph. Chance of precipitation is 20%.
7-day forecast for Silver Summit
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 28°F | Patchy Fog | 1 mph E | 19% |
| Wednesday | 43°F | Patchy Fog then Rain And Snow Likely | 0 to 5 mph NW | 66% |
| Wednesday Night | 26°F | Chance Light Rain then Patchy Fog | 0 to 3 mph NW | 26% |
| Thursday | 48°F | Patchy Fog then Partly Sunny | 0 to 5 mph W | 4% |
| Thursday Night | 26°F | Areas Of Fog | 0 to 3 mph WNW | 14% |
| Friday | 48°F | Areas Of Fog then Sunny | 0 to 5 mph NW | 5% |
| Friday Night | 25°F | Mostly Clear | 0 to 3 mph W | 0% |
| Saturday | 53°F | Sunny | 2 mph NNW | 0% |
| Saturday Night | 30°F | Mostly Clear | 1 mph SE | 0% |
| Sunday | 60°F | Sunny | 3 mph SSW | 0% |
| Sunday Night | 34°F | Mostly Clear | 1 to 6 mph S | 0% |
| Monday | 60°F | Mostly Sunny | 2 mph SSW | 0% |
| Monday Night | 34°F | Mostly Cloudy | 3 mph S | 1% |
| Tuesday | 57°F | Mostly Sunny | 3 mph SSW | 3% |
Forecast source: National Weather Service (api.weather.gov) for Silver Summit (40.749, -111.514). Updated through the day.
Growing snapshot for Silver Summit
Last spring frost
May 29
First fall frost
Sep 25
Growing season
117 days
Hardiness zone
5b
More local growing data for Silver Summit: nearby ZIP 84098 weather · frost dates · planting calendar · Utah frost dates
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Henefer
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Oakley
Park City
Peoa
Samak
Snyderville
Summit Park
Wanship
Woodland
Climate data from the nearest NOAA station, Park City, Ut (6.5 mi from Silver Summit). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.