St. Anthony, ID Weather & Growing Conditions
Tonight
40°F
Scattered Rain Showers
Scattered rain showers before 2am. Mostly cloudy. Low around 40, with temperatures rising to around 44 overnight. Northeast wind around 2 mph. Chance of precipitation is 30%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 40°F | Scattered Rain Showers | 2 mph NE | 26% |
| Sunday | 67°F | Mostly Sunny | 2 to 6 mph SSE | 3% |
| Sunday Night | 40°F | Mostly Clear | 3 to 7 mph ENE | 0% |
| Monday | 72°F | Sunny | 3 to 7 mph ESE | 0% |
| Monday Night | 41°F | Mostly Clear | 3 to 8 mph ENE | 0% |
| Tuesday | 75°F | Mostly Sunny | 3 to 8 mph SE | 0% |
| Tuesday Night | 45°F | Slight Chance Light Rain | 5 mph NE | 20% |
| Wednesday | 74°F | Mostly Sunny | 5 to 9 mph SSE | 7% |
| Wednesday Night | 44°F | Mostly Clear | 7 mph SE | 4% |
| Thursday | 78°F | Sunny | 5 to 8 mph S | 1% |
| Thursday Night | 46°F | Partly Cloudy | 3 to 8 mph E | 1% |
| Friday | 78°F | Sunny | 5 to 9 mph S | 5% |
| Friday Night | 46°F | Partly Cloudy | 7 mph SE | 9% |
| Saturday | 74°F | Mostly Sunny | 6 to 10 mph SE | 11% |
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 Sep 20, 2026.