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
43°F
Mostly Clear
Mostly clear, with a low around 43. East southeast wind around 5 mph.
7-day forecast for King Arthur Park
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 43°F | Mostly Clear | 5 mph ESE | 0% |
| Tuesday | 76°F | Areas Of Smoke | 2 to 7 mph NNE | 0% |
| Tuesday Night | 48°F | Patchy Smoke | 7 mph E | 0% |
| Wednesday | 82°F | Patchy Smoke | 2 to 7 mph WSW | 0% |
| Wednesday Night | 51°F | Patchy Smoke then Mostly Clear | 7 mph E | 0% |
| Thursday | 90°F | Sunny | 2 to 8 mph W | 0% |
| Thursday Night | 56°F | Mostly Clear | 5 to 8 mph SSE | 0% |
| Friday | 93°F | Sunny | 3 to 15 mph SW | 0% |
| Friday Night | 58°F | Mostly Clear | 6 to 17 mph W | 0% |
| Saturday | 91°F | Sunny | 3 to 9 mph W | 0% |
| Saturday Night | 58°F | Mostly Clear | 5 to 12 mph NW | 1% |
| Sunday | 90°F | Sunny | 2 to 8 mph WNW | 2% |
| Sunday Night | 56°F | Partly Cloudy | 5 to 9 mph E | 8% |
| Monday | 88°F | Sunny | 3 to 7 mph NNE | 3% |
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 Aug 4, 2026.