Sunburst, MT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Sunburst, a town in Toole County, Montana.
Overnight
29°F
Mostly Cloudy
Mostly cloudy, with a low around 29. Northwest wind around 5 mph.
7-day forecast for Sunburst
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 29°F | Mostly Cloudy | 5 mph NW | 0% |
| Wednesday | 47°F | Mostly Sunny | 5 mph WNW | 0% |
| Wednesday Night | 29°F | Partly Cloudy | 3 to 9 mph S | 0% |
| Thursday | 52°F | Mostly Sunny | 9 to 18 mph SW | 2% |
| Thursday Night | 33°F | Partly Cloudy | 9 to 14 mph WSW | 2% |
| Friday | 52°F | Mostly Sunny | 9 to 21 mph SW | 0% |
| Friday Night | 38°F | Mostly Cloudy | 10 to 21 mph WSW | 1% |
| Saturday | 57°F | Mostly Sunny | 7 to 12 mph SW | 1% |
| Saturday Night | 38°F | Mostly Cloudy | 8 to 12 mph S | 0% |
| Sunday | 59°F | Partly Sunny | 12 to 23 mph SW | 0% |
| Sunday Night | 36°F | Partly Cloudy | 8 to 21 mph WSW | 0% |
| Monday | 50°F | Mostly Sunny | 9 mph SW | 0% |
| Monday Night | 36°F | Mostly Cloudy | 10 mph SSW | 0% |
| Tuesday | 55°F | Mostly Sunny | 10 to 16 mph SW | 1% |
Forecast source: National Weather Service (api.weather.gov) for Sunburst (48.874, -111.901). Updated through the day.
Growing snapshot for Sunburst
Last spring frost
May 17
First fall frost
Sep 25
Growing season
129 days
Hardiness zone
4a
More local growing data for Sunburst: nearby ZIP 59482 weather · frost dates · planting calendar · Montana frost dates
Nearby towns & communities
Camrose Colony
Cut Bank
Eagle Creek Colony
Glacier Colony
Hillside Colony
Horizon Colony
Kevin
Rimrock Colony
Santa Rita
Shelby
Sweet Grass
Climate data from the nearest NOAA station, Sunburst 8 E, Mt (5.9 mi from Sunburst). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.