St. Maries, ID Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for St. Maries, a city in Benewah County, Idaho.
This Afternoon
74°F
Sunny
Sunny. High near 74, with temperatures falling to around 72 in the afternoon. Northwest wind around 3 mph.
7-day forecast for St. Maries
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 74°F | Sunny | 3 mph NW | 7% |
| Tonight | 48°F | Partly Cloudy | 1 mph NW | 1% |
| Saturday | 76°F | Sunny | 2 mph N | 1% |
| Saturday Night | 48°F | Mostly Clear | 1 mph N | 0% |
| Sunday | 79°F | Sunny | 1 mph NW | 0% |
| Sunday Night | 49°F | Mostly Clear | 1 mph SE | 0% |
| Monday | 81°F | Sunny | 2 mph S | 0% |
| Monday Night | 49°F | Mostly Clear | 2 mph S | 0% |
| Tuesday | 77°F | Mostly Sunny | 2 mph SW | 1% |
| Tuesday Night | 48°F | Partly Cloudy | 2 mph S | 1% |
| Wednesday | 73°F | Mostly Sunny | 3 mph SW | 1% |
| Wednesday Night | 47°F | Partly Cloudy | 2 mph S | 2% |
| Thursday | 79°F | Mostly Sunny | 2 mph S | 2% |
| Thursday Night | 49°F | Partly Cloudy | 2 mph SE | 5% |
Forecast source: National Weather Service (api.weather.gov) for St. Maries (47.315, -116.572). Updated through the day.
Growing snapshot for St. Maries
Last spring frost
May 3
First fall frost
Oct 4
Growing season
152 days
Hardiness zone
6b
More local growing data for St. Maries: nearby ZIP 83861 weather · frost dates · planting calendar · Idaho frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Saint Maries, Id (4.7 mi from St. Maries). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.