Summit Park, UT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Summit Park, a community in Summit County, Utah.
Tonight
39°F
Mostly Clear
Mostly clear. Low around 39, with temperatures rising to around 41 overnight. West wind around 2 mph.
7-day forecast for Summit Park
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 39°F | Mostly Clear | 2 mph W | 2% |
| Sunday | 66°F | Sunny | 0 to 7 mph W | 0% |
| Sunday Night | 40°F | Mostly Clear | 1 to 5 mph SSW | 0% |
| Monday | 72°F | Sunny | 0 to 5 mph E | 0% |
| Monday Night | 46°F | Partly Cloudy | 3 mph ESE | 8% |
| Tuesday | 70°F | Showers And Thunderstorms Likely | 5 mph S | 62% |
| Tuesday Night | 43°F | Showers And Thunderstorms Likely | 2 to 6 mph SSE | 60% |
| Wednesday | 71°F | Sunny | 1 to 6 mph SSW | 12% |
| Wednesday Night | 45°F | Mostly Clear | 3 mph SSE | 3% |
| Thursday | 75°F | Sunny | 3 mph S | 3% |
| Thursday Night | 48°F | Partly Cloudy | 5 mph SSW | 4% |
| Friday | 74°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 7 mph S | 11% |
| Friday Night | 47°F | Slight Chance Showers And Thunderstorms | 6 mph S | 19% |
| Saturday | 73°F | Chance Showers And Thunderstorms | 5 to 8 mph S | 26% |
Forecast source: National Weather Service (api.weather.gov) for Summit Park (40.742, -111.587). Updated through the day.
Growing snapshot for Summit Park
Last spring frost
May 29
First fall frost
Sep 25
Growing season
117 days
Hardiness zone
5b
More local growing data for Summit Park: nearby ZIP 84098 weather · frost dates · planting calendar · Utah frost dates
Nearby towns & communities
Coalville
East Basin
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Francis
Henefer
Hideout
Hoytsville
Kamas
Marion
Oakley
Park City
Peoa
Samak
Silver Summit
Snyderville
Wanship
Woodland
Climate data from the nearest NOAA station, Park City, Ut (6.5 mi from Summit Park). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.