Harman US

Troy, ID Weather & Growing Conditions

Tonight
45°F
Partly Cloudy then Patchy Fog
Patchy fog after 3am. Partly cloudy, with a low around 45. North wind around 3 mph.

7-day forecast

WhenTempForecastWindPrecip
Tonight 45°F Partly Cloudy then Patchy Fog 3 mph N 1%
Saturday 74°F Patchy Fog then Sunny 0 to 3 mph NW 1%
Saturday Night 45°F Mostly Clear 2 mph NE 0%
Sunday 78°F Sunny 1 to 5 mph SE 0%
Sunday Night 47°F Clear 2 mph E 0%
Monday 79°F Sunny 5 mph SE 0%
Monday Night 48°F Mostly Clear 3 mph N 0%
Tuesday 76°F Mostly Sunny 3 mph SE 1%
Tuesday Night 46°F Partly Cloudy 3 mph NW 1%
Wednesday 72°F Sunny 3 mph NW 1%
Wednesday Night 45°F Partly Cloudy 2 mph N 1%
Thursday 78°F Sunny 5 mph E 1%
Thursday Night 47°F Partly Cloudy 3 mph NE 4%
Friday 72°F Mostly Sunny 2 to 6 mph W 9%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Troy, ID

Growing season
85 days
Hardiness zone
6b

Explore more for Troy, ID: full frost dates · planting calendar · Idaho frost dates

Climate data from the nearest NOAA station, Moscow U Of I, Id (10.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.