New Rockport Colony, MT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for New Rockport Colony, a community in Teton County, Montana.
Today
77°F
Sunny
Sunny, with a high near 77. South wind 1 to 5 mph.
7-day forecast for New Rockport Colony
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 77°F | Sunny | 1 to 5 mph S | 0% |
| Tonight | 47°F | Mostly Clear | 5 mph ESE | 1% |
| Wednesday | 85°F | Sunny | 5 mph WNW | 0% |
| Wednesday Night | 50°F | Mostly Clear | 5 mph W | 0% |
| Thursday | 92°F | Sunny | 7 mph WNW | 0% |
| Thursday Night | 53°F | Mostly Clear | 2 to 9 mph WNW | 0% |
| Friday | 96°F | Sunny | 1 to 16 mph WNW | 0% |
| Friday Night | 55°F | Mostly Clear | 8 to 16 mph W | 0% |
| Saturday | 92°F | Sunny | 3 to 10 mph W | 0% |
| Saturday Night | 54°F | Partly Cloudy | 5 to 13 mph WNW | 0% |
| Sunday | 87°F | Sunny | 7 mph NNW | 0% |
| Sunday Night | 53°F | Partly Cloudy | 6 to 9 mph N | 3% |
| Monday | 85°F | Sunny | 6 mph NNE | 6% |
| Monday Night | 52°F | Mostly Clear | 5 to 8 mph NNE | 8% |
Forecast source: National Weather Service (api.weather.gov) for New Rockport Colony (47.860, -112.035). Updated through the day.
Growing snapshot for New Rockport Colony
Last spring frost
May 13
First fall frost
Sep 27
Growing season
135 days
Hardiness zone
4b
More local growing data for New Rockport Colony: nearby ZIP 59436 weather · frost dates · planting calendar · Montana frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Fairfield, Mt (6.2 mi from New Rockport Colony). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.