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.
This Afternoon
64°F
Mostly Cloudy
Mostly cloudy, with a high near 64. East northeast wind around 6 mph.
7-day forecast for Milford Colony
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 64°F | Mostly Cloudy | 6 mph ENE | 13% |
| Tonight | 45°F | Mostly Cloudy | 2 to 6 mph SSW | 2% |
| Sunday | 73°F | Sunny | 6 mph SSE | 1% |
| Sunday Night | 46°F | Mostly Clear | 6 mph S | 0% |
| Monday | 77°F | Sunny | 5 to 8 mph SSW | 0% |
| Monday Night | 48°F | Mostly Clear | 5 to 8 mph SSW | 0% |
| Tuesday | 78°F | Sunny | 7 mph SW | 0% |
| Tuesday Night | 51°F | Partly Cloudy | 6 mph WSW | 1% |
| Wednesday | 77°F | Mostly Sunny | 3 to 10 mph SW | 1% |
| Wednesday Night | 50°F | Partly Cloudy | 6 to 9 mph SW | 5% |
| Thursday | 76°F | Mostly Sunny | 5 to 10 mph SSW | 2% |
| Thursday Night | 50°F | Partly Cloudy | 3 to 9 mph WSW | 9% |
| Friday | 73°F | Mostly Sunny | 3 to 13 mph SSW | 10% |
| Friday Night | 47°F | Mostly Cloudy then Slight Chance Light Rain | 5 to 9 mph WSW | 16% |
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
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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 Sep 19, 2026.