King Arthur Park, MT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for King Arthur Park, a community in Gallatin County, Montana.
Overnight
27°F
Partly Cloudy
Partly cloudy, with a low around 27. South wind around 3 mph.
7-day forecast for King Arthur Park
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 27°F | Partly Cloudy | 3 mph S | 0% |
| Wednesday | 44°F | Mostly Sunny | 1 mph W | 0% |
| Wednesday Night | 27°F | Mostly Clear | 1 to 6 mph SSE | 0% |
| Thursday | 45°F | Partly Sunny then Chance Light Rain | 2 to 6 mph W | 25% |
| Thursday Night | 26°F | Chance Light Rain then Partly Cloudy | 3 mph SSW | 25% |
| Friday | 46°F | Sunny | 5 mph SSW | 0% |
| Friday Night | 30°F | Partly Cloudy | 3 to 12 mph S | 0% |
| Saturday | 53°F | Sunny | 1 to 7 mph SSW | 0% |
| Saturday Night | 32°F | Mostly Clear | 1 to 13 mph SSE | 0% |
| Sunday | 58°F | Mostly Sunny | 2 to 12 mph S | 1% |
| Sunday Night | 33°F | Partly Cloudy | 2 to 12 mph S | 2% |
| Monday | 53°F | Mostly Sunny | 2 mph NNW | 2% |
| Monday Night | 34°F | Mostly Cloudy | 0 to 6 mph SSE | 2% |
| Tuesday | 55°F | Mostly Sunny | 1 to 5 mph SW | 2% |
Forecast source: National Weather Service (api.weather.gov) for King Arthur Park (45.667, -111.128). Updated through the day.
Growing snapshot for King Arthur Park
Last spring frost
May 23
First fall frost
Sep 23
Growing season
123 days
Hardiness zone
5a
More local growing data for King Arthur Park: nearby ZIP 59718 weather · frost dates · planting calendar · Montana frost dates
Nearby towns & communities
Amsterdam
Belgrade
Bozeman
Bridger
Churchill
Four Corners
Gallatin Gateway
Gallatin River Ranch
Hebgen Lake Estates
Logan
Manhattan
Ponderosa Pines
Springhill
Three Forks
West Yellowstone
Wheatland
Willow Creek
Climate data from the nearest NOAA station, Bozeman 6 W Exp Farm, Mt (2.4 mi from King Arthur Park). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.