St. Anthony, ID Weather & Growing Conditions
Today
62°F
Chance Light Rain then Slight Chance Showers And Thunderstorms
A chance of rain before noon, then a slight chance of showers and thunderstorms between noon and 2pm, then a chance of showers and thunderstorms between 2pm and 3pm, then a slight chance of showers and thunderstorms. Partly sunny, with a high near 62. South southwest wind 3 to 7 mph. Chance of precipitation is 50%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 62°F | Chance Light Rain then Slight Chance Showers And Thunderstorms | 3 to 7 mph SSW | 52% |
| Tonight | 37°F | Mostly Cloudy | 1 to 6 mph SE | 14% |
| Sunday | 65°F | Mostly Sunny | 5 mph S | 7% |
| Sunday Night | 37°F | Mostly Clear | 3 to 7 mph ESE | 0% |
| Monday | 71°F | Sunny | 2 to 8 mph SW | 0% |
| Monday Night | 39°F | Mostly Clear | 2 to 7 mph E | 0% |
| Tuesday | 74°F | Mostly Sunny | 2 to 9 mph ESE | 0% |
| Tuesday Night | 42°F | Partly Cloudy | 6 mph ENE | 12% |
| Wednesday | 74°F | Sunny | 5 to 8 mph NNW | 8% |
| Wednesday Night | 41°F | Mostly Clear | 3 to 7 mph E | 2% |
| Thursday | 76°F | Sunny | 3 to 8 mph SSW | 2% |
| Thursday Night | 43°F | Mostly Clear | 3 to 8 mph E | 0% |
| Friday | 77°F | Mostly Sunny | 5 to 8 mph SE | 3% |
| Friday Night | 43°F | Partly Cloudy | 7 mph SE | 10% |
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 Sep 19, 2026.