Deerfield Colony, MT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Deerfield Colony, a community in Fergus County, Montana.
Today
75°F
Sunny
Sunny, with a high near 75. West northwest wind 2 to 6 mph.
7-day forecast for Deerfield Colony
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 75°F | Sunny | 2 to 6 mph WNW | 0% |
| Tonight | 46°F | Mostly Clear | 3 to 8 mph E | 1% |
| Wednesday | 84°F | Sunny | 5 to 10 mph W | 0% |
| Wednesday Night | 50°F | Mostly Clear | 5 to 10 mph NNW | 0% |
| Thursday | 90°F | Sunny | 6 to 12 mph W | 0% |
| Thursday Night | 54°F | Mostly Clear | 5 to 12 mph NE | 0% |
| Friday | 96°F | Sunny | 3 to 15 mph WSW | 0% |
| Friday Night | 57°F | Mostly Clear | 7 to 12 mph W | 0% |
| Saturday | 93°F | Sunny | 6 to 13 mph WNW | 0% |
| Saturday Night | 57°F | Mostly Clear | 6 to 9 mph ESE | 1% |
| Sunday | 89°F | Sunny | 5 to 10 mph NNW | 1% |
| Sunday Night | 55°F | Partly Cloudy | 5 to 10 mph E | 7% |
| Monday | 87°F | Sunny | 3 to 10 mph NE | 10% |
| Monday Night | 55°F | Slight Chance Rain Showers | 5 to 12 mph E | 23% |
Forecast source: National Weather Service (api.weather.gov) for Deerfield Colony (47.257, -109.677). Updated through the day.
Growing snapshot for Deerfield Colony
Last spring frost
Jun 1
First fall frost
Sep 11
Growing season
101 days
Hardiness zone
4b
More local growing data for Deerfield Colony: nearby ZIP 59430 weather · frost dates · planting calendar · Montana frost dates
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Winifred
Climate data from the nearest NOAA station, Denton, Mt (10.7 mi from Deerfield Colony). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.