St. Maries, ID Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for St. Maries, a city in Benewah County, Idaho.
Today
53°F
Mostly Cloudy
Mostly cloudy. High near 53, with temperatures falling to around 48 in the afternoon. Northeast wind around 1 mph.
7-day forecast for St. Maries
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 53°F | Mostly Cloudy | 1 mph NE | 1% |
| Tonight | 33°F | Mostly Cloudy then Patchy Fog | 0 mph | 1% |
| Wednesday | 53°F | Areas Of Fog then Sunny | 1 mph NW | 1% |
| Wednesday Night | 35°F | Partly Cloudy then Rain Showers | 2 mph SE | 77% |
| Thursday | 46°F | Rain Showers | 3 mph S | 77% |
| Thursday Night | 33°F | Partly Cloudy | 3 mph SE | 5% |
| Friday | 51°F | Mostly Cloudy | 3 mph SE | 9% |
| Friday Night | 36°F | Mostly Cloudy | 5 mph SE | 5% |
| Saturday | 60°F | Partly Sunny | 5 mph SE | 5% |
| Saturday Night | 39°F | Mostly Cloudy then Slight Chance Rain Showers | 2 to 8 mph SE | 19% |
| Sunday | 56°F | Chance Rain Showers | 3 to 8 mph SW | 33% |
| Sunday Night | 36°F | Slight Chance Rain Showers then Mostly Cloudy | 3 mph S | 16% |
| Monday | 55°F | Mostly Cloudy then Slight Chance Rain Showers | 2 mph SE | 17% |
| Monday Night | 37°F | Slight Chance Rain Showers | 3 mph SE | 21% |
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 Nov 3, 2026.