Silver Summit, UT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Silver Summit, a community in Summit County, Utah.
Today
64°F
Scattered Showers And Thunderstorms then Isolated Showers And Thunderstorms
Isolated rain showers before 9am, then scattered showers and thunderstorms between 9am and noon, then isolated showers and thunderstorms. Mostly sunny. High near 64, with temperatures falling to around 62 in the afternoon. West northwest wind 0 to 9 mph. Chance of precipitation is 30%.
7-day forecast for Silver Summit
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 64°F | Scattered Showers And Thunderstorms then Isolated Showers And Thunderstorms | 0 to 9 mph WNW | 33% |
| Tonight | 33°F | Mostly Clear | 0 to 8 mph WNW | 4% |
| Sunday | 67°F | Sunny | 0 to 8 mph ENE | 0% |
| Sunday Night | 33°F | Mostly Clear | 0 to 6 mph E | 0% |
| Monday | 73°F | Mostly Sunny | 0 to 5 mph S | 0% |
| Monday Night | 40°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 3 mph ESE | 13% |
| Tuesday | 70°F | Showers And Thunderstorms Likely | 0 to 3 mph SSE | 58% |
| Tuesday Night | 36°F | Chance Showers And Thunderstorms | 1 to 5 mph SSE | 50% |
| Wednesday | 72°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 1 to 5 mph SW | 16% |
| Wednesday Night | 38°F | Mostly Clear | 3 mph S | 3% |
| Thursday | 75°F | Sunny | 1 to 5 mph S | 3% |
| Thursday Night | 41°F | Partly Cloudy | 5 mph S | 1% |
| Friday | 75°F | Mostly Sunny | 2 to 6 mph S | 8% |
| Friday Night | 41°F | Slight Chance Showers And Thunderstorms | 6 mph SSE | 19% |
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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Park City
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Summit Park
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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 Sep 19, 2026.