St. Anthony, ID Weather & Growing Conditions
Today
82°F
Areas Of Smoke
Areas of smoke. Sunny, with a high near 82. East southeast wind 3 to 9 mph, with gusts as high as 18 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 82°F | Areas Of Smoke | 3 to 9 mph ESE | 0% |
| Tonight | 46°F | Patchy Smoke | 5 to 9 mph SSE | 1% |
| Wednesday | 84°F | Patchy Smoke | 5 to 9 mph SSE | 0% |
| Wednesday Night | 49°F | Mostly Clear | 8 mph ESE | 0% |
| Thursday | 91°F | Sunny | 6 to 10 mph SW | 0% |
| Thursday Night | 53°F | Clear | 9 mph ESE | 0% |
| Friday | 95°F | Sunny | 3 to 10 mph SSE | 0% |
| Friday Night | 55°F | Mostly Clear | 7 to 14 mph SE | 0% |
| Saturday | 93°F | Sunny | 5 to 13 mph SW | 0% |
| Saturday Night | 57°F | Mostly Clear | 6 to 10 mph SE | 0% |
| Sunday | 93°F | Sunny | 5 to 15 mph SSE | 1% |
| Sunday Night | 57°F | Mostly Clear | 6 to 18 mph S | 2% |
| Monday | 92°F | Sunny | 5 to 14 mph SSE | 1% |
| Monday Night | 56°F | Partly Cloudy | 7 to 16 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 21
First fall frost
Sep 21
Growing season
121 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, Ashton 1N, Id (6.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.