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
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| 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.