Clinton, MT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Clinton, a community in Granite County, Montana.
This Afternoon
75°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 4pm. Mostly cloudy, with a high near 75. Northwest wind 5 to 8 mph. Chance of precipitation is 30%.
7-day forecast for Clinton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 75°F | Chance Showers And Thunderstorms | 5 to 8 mph NW | 30% |
| Tonight | 51°F | Showers And Thunderstorms | 2 mph SE | 82% |
| Saturday | 71°F | Chance Rain Showers | 2 mph E | 54% |
| Saturday Night | 46°F | Partly Cloudy | 1 mph SSE | 4% |
| Sunday | 78°F | Sunny | 1 mph WSW | 0% |
| Sunday Night | 48°F | Clear | 0 mph | 0% |
| Monday | 80°F | Sunny | 0 to 3 mph WSW | 0% |
| Monday Night | 50°F | Mostly Clear | 2 mph SW | 0% |
| Tuesday | 80°F | Sunny | 2 mph WNW | 0% |
| Tuesday Night | 50°F | Mostly Clear | 1 mph WSW | 2% |
| Wednesday | 79°F | Sunny | 0 to 3 mph WSW | 1% |
| Wednesday Night | 49°F | Mostly Clear | 2 mph SW | 2% |
| Thursday | 81°F | Sunny | 1 mph SSW | 1% |
| Thursday Night | 50°F | Partly Cloudy | 1 mph SE | 2% |
Forecast source: National Weather Service (api.weather.gov) for Clinton (46.772, -113.720). Updated through the day.
Growing snapshot for Clinton
Growing season
45 days
Hardiness zone
5b
More local growing data for Clinton: nearby ZIP 59825 weather · frost dates · planting calendar · Montana frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Potomac, Mt (18.6 mi from Clinton). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 18, 2026.