Park City, MT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Park City, a community in Stillwater County, Montana.
Overnight
52°F
Patchy Fog
Patchy fog and showers and thunderstorms before 3am, then patchy fog and showers and thunderstorms. Cloudy. Low around 52, with temperatures rising to around 56 overnight. North wind around 9 mph. Chance of precipitation is 90%.
7-day forecast for Park City
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 52°F | Patchy Fog | 9 mph N | 87% |
| Saturday | 59°F | Patchy Fog | 10 to 14 mph NNW | 94% |
| Saturday Night | 46°F | Showers And Thunderstorms | 10 to 14 mph NNW | 93% |
| Sunday | 64°F | Rain Showers Likely | 8 mph NW | 73% |
| Sunday Night | 45°F | Slight Chance Rain Showers then Patchy Fog | 1 to 6 mph SSE | 15% |
| Monday | 72°F | Mostly Sunny | 2 to 8 mph S | 0% |
| Monday Night | 46°F | Mostly Clear | 6 mph SSW | 0% |
| Tuesday | 77°F | Sunny | 6 mph SSW | 0% |
| Tuesday Night | 49°F | Partly Cloudy | 5 mph SE | 4% |
| Wednesday | 78°F | Sunny | 6 mph SW | 5% |
| Wednesday Night | 49°F | Mostly Clear | 5 mph S | 1% |
| Thursday | 79°F | Sunny | 6 to 9 mph SSW | 2% |
| Thursday Night | 50°F | Mostly Clear | 3 to 7 mph SSE | 1% |
| Friday | 80°F | Mostly Sunny | 7 to 10 mph SSW | 2% |
Forecast source: National Weather Service (api.weather.gov) for Park City (45.631, -108.925). Updated through the day.
Growing snapshot for Park City
Last spring frost
May 29
First fall frost
Sep 15
Growing season
107 days
Hardiness zone
5a
More local growing data for Park City: nearby ZIP 59063 weather · frost dates · planting calendar · Montana frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Joliet, Mt (12.6 mi from Park City). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.