Milford Colony, MT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Milford Colony, a community in Lewis And Clark County, Montana.
Overnight
29°F
Mostly Cloudy
Mostly cloudy, with a low around 29. West southwest wind around 2 mph.
7-day forecast for Milford Colony
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 29°F | Mostly Cloudy | 2 mph WSW | 0% |
| Wednesday | 48°F | Mostly Sunny | 2 mph SW | 0% |
| Wednesday Night | 29°F | Mostly Clear | 1 to 10 mph SSW | 0% |
| Thursday | 49°F | Partly Sunny | 9 to 13 mph SSW | 0% |
| Thursday Night | 31°F | Partly Cloudy | 8 to 12 mph SW | 0% |
| Friday | 49°F | Mostly Sunny | 9 to 20 mph SSW | 0% |
| Friday Night | 38°F | Mostly Cloudy | 13 to 18 mph SSW | 0% |
| Saturday | 56°F | Mostly Sunny | 8 to 14 mph SSW | 0% |
| Saturday Night | 40°F | Partly Cloudy | 8 to 14 mph SSW | 0% |
| Sunday | 58°F | Mostly Sunny | 8 to 21 mph SSW | 1% |
| Sunday Night | 37°F | Partly Cloudy | 6 to 10 mph SW | 1% |
| Monday | 52°F | Mostly Sunny | 8 mph SSW | 0% |
| Monday Night | 37°F | Mostly Cloudy | 6 to 10 mph SSW | 1% |
| Tuesday | 54°F | Mostly Sunny | 10 to 17 mph SSW | 2% |
Forecast source: National Weather Service (api.weather.gov) for Milford Colony (47.330, -112.212). Updated through the day.
Growing snapshot for Milford Colony
Last spring frost
May 21
First fall frost
Sep 15
Growing season
115 days
Hardiness zone
4b
More local growing data for Milford Colony: nearby ZIP 59648 weather · frost dates · planting calendar · Montana frost dates
Nearby towns & communities
Canyon Creek
Craig
East Helena
Helena
Helena Valley Northeast
Helena Valley Northwest
Helena Valley Southeast
Helena Valley West Central
Helena West Side
Lincoln
Marysville
Montana City
Rimini
South Hills
Spokane Creek
Unionville
Wolf Creek
York
Climate data from the nearest NOAA station, Rogers Pass 9 Nne, Mt (7.9 mi from Milford Colony). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.