St. Anthony, ID Weather & Growing Conditions
Today
82°F
Areas Of Smoke
Areas of smoke. Sunny, with a high near 82. Southeast wind 5 to 9 mph, with gusts as high as 18 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 82°F | Areas Of Smoke | 5 to 9 mph SE | 0% |
| Tonight | 48°F | Patchy Smoke | 5 to 10 mph ENE | 1% |
| Wednesday | 85°F | Patchy Smoke | 5 to 9 mph S | 0% |
| Wednesday Night | 50°F | Mostly Clear | 8 mph E | 0% |
| Thursday | 92°F | Sunny | 5 to 10 mph SSE | 0% |
| Thursday Night | 55°F | Mostly Clear | 9 mph E | 0% |
| Friday | 95°F | Sunny | 5 to 10 mph SE | 0% |
| Friday Night | 57°F | Mostly Clear | 8 to 14 mph E | 0% |
| Saturday | 94°F | Sunny | 6 to 14 mph SE | 0% |
| Saturday Night | 59°F | Partly Cloudy | 6 to 13 mph NNE | 0% |
| Sunday | 94°F | Sunny | 5 to 15 mph SE | 0% |
| Sunday Night | 58°F | Mostly Clear | 6 to 21 mph WNW | 1% |
| Monday | 92°F | Sunny | 5 to 14 mph SE | 1% |
| Monday Night | 57°F | Partly Cloudy | 7 to 17 mph SSE | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for St. Anthony, ID
Last spring frost
May 17
First fall frost
Sep 22
Growing season
126 days
Hardiness zone
5a
Explore more for St. Anthony, ID: full frost dates · planting calendar · Idaho frost dates
Climate data from the nearest NOAA station, Saint Anthony, Id (6.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.