Essex, MT Weather & Growing Conditions
Tonight
44°F
Mostly Cloudy
Mostly cloudy, with a low around 44. South southeast wind around 7 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 44°F | Mostly Cloudy | 7 mph SSE | 6% |
| Saturday | 64°F | Mostly Sunny | 5 mph ESE | 3% |
| Saturday Night | 43°F | Partly Cloudy | 5 mph ESE | 0% |
| Sunday | 63°F | Sunny | 5 mph SSW | 0% |
| Sunday Night | 45°F | Clear | 3 mph S | 0% |
| Monday | 63°F | Sunny | 6 mph SSW | 0% |
| Monday Night | 45°F | Mostly Clear | 3 mph SW | 0% |
| Tuesday | 63°F | Sunny | 5 mph S | 0% |
| Tuesday Night | 44°F | Partly Cloudy | 5 mph SSE | 1% |
| Wednesday | 60°F | Sunny | 3 to 7 mph SSW | 1% |
| Wednesday Night | 44°F | Partly Cloudy | 5 mph SSE | 3% |
| Thursday | 64°F | Mostly Sunny | 5 mph S | 3% |
| Thursday Night | 46°F | Partly Cloudy | 1 to 6 mph SE | 2% |
| Friday | 63°F | Mostly Sunny | 5 mph SSW | 5% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Essex, MT
Last spring frost
May 9
First fall frost
Oct 1
Growing season
141 days
Hardiness zone
5a
Explore more for Essex, MT: full frost dates · planting calendar · Montana frost dates
Climate data from the nearest NOAA station, Hungry Horse Dam, Mt (16.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.