Harman US

Idaho City, ID Weather & Growing Conditions

Tonight
29°F
Cloudy
Cloudy, with a low around 29. Wind around 0 mph.

7-day forecast

WhenTempForecastWindPrecip
Tonight 29°F Cloudy 0 mph 10%
Wednesday 54°F Mostly Sunny 2 mph WNW 1%
Wednesday Night 28°F Partly Cloudy 0 mph 5%
Thursday 48°F Slight Chance Rain Showers 1 mph W 15%
Thursday Night 25°F Mostly Clear 1 mph NNE 1%
Friday 52°F Mostly Sunny 2 mph ENE 2%
Friday Night 29°F Partly Cloudy 1 mph ENE 2%
Saturday 59°F Sunny 2 mph SE 0%
Saturday Night 32°F Partly Cloudy 0 to 5 mph SE 0%
Sunday 60°F Mostly Sunny 2 mph SSE 0%
Sunday Night 33°F Mostly Cloudy 1 mph NE 1%
Monday 60°F Partly Sunny 1 mph E 5%
Monday Night 33°F Partly Cloudy 0 mph 9%
Tuesday 58°F Mostly Sunny 0 mph 14%

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 Nov 4, 2026.