Idaho City, ID Weather & Growing Conditions
This Afternoon
68°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Mostly cloudy. High near 68, with temperatures falling to around 64 in the afternoon. East northeast wind around 2 mph. Chance of precipitation is 40%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 68°F | Chance Showers And Thunderstorms | 2 mph ENE | 35% |
| Tonight | 42°F | Showers And Thunderstorms Likely | 2 mph NNE | 71% |
| Saturday | 69°F | Areas Of Fog then Partly Sunny | 2 mph WNW | 10% |
| Saturday Night | 41°F | Mostly Clear | 1 mph NNE | 4% |
| Sunday | 76°F | Sunny | 2 mph WSW | 0% |
| Sunday Night | 44°F | Mostly Clear | 2 mph N | 0% |
| Monday | 78°F | Sunny | 0 to 3 mph SE | 0% |
| Monday Night | 45°F | Partly Cloudy | 2 mph N | 0% |
| Tuesday | 78°F | Mostly Sunny | 0 to 3 mph W | 1% |
| Tuesday Night | 44°F | Mostly Clear | 2 mph NE | 1% |
| Wednesday | 79°F | Sunny | 1 to 5 mph S | 0% |
| Wednesday Night | 45°F | Mostly Clear | 3 mph E | 1% |
| Thursday | 82°F | Sunny | 5 mph SE | 0% |
| Thursday Night | 47°F | Partly Cloudy | 6 mph ESE | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Idaho City, ID
Last spring frost
Jun 17
First fall frost
Sep 5
Growing season
80 days
Hardiness zone
6b
Explore more for Idaho City, ID: full frost dates · planting calendar · Idaho frost dates
Climate data from the nearest NOAA station, Idaho City, Id (4.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.