Weather in Troy, ID
Updated 2026-09-26 08:00 local time · ZIP codes 83871
Overcast
No government weather alerts were returned for this location at the latest update.
Next hours
38°18% rain42°15% rain44°13% rain46°10% rain49°10% rain
50°2% rain
52°1% rain52°0% rain52°0% rain51°1% rain58°3% rain
55°10% rain3-day weather forecast
Weather details
Sunrise, sunset and moon
Key weather changes ahead
Weather insights for today
Rain chance stays relatively low over the next 12 hours (up to 18%).
It feels like 33°F with winds near 2 mph.
58°F, 3% rain chance and 3 mph wind.
Visibility is around 6 mi; gusts may reach 15 mph.
Current temperature is 38°F, wind 2 mph, rain chance up to 18%.
UV index is 0.
Local weather characteristics in Troy
Idaho combines dry interior valleys with colder mountain climates. Elevation strongly affects temperature, snowfall and the timing of spring and fall conditions.
Troy is part of the West weather region. The forecast point is near 46.74°N latitude and 116.77°W longitude. Local temperature, wind and precipitation can still differ from nearby places, especially where terrain, coastlines or urban development create small-scale weather changes.
Troy weather today
Overcast and 38°F in Troy, ID. Today's high is 58°F with a 7% rain chance. Winds are around 2 mph with gusts near 7 mph. Relative humidity is 69%, pressure is 30.13 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Troy
Sunrise is at 06:39 AM and sunset is at 06:37 PM. Tomorrow's forecast calls for Overcast with a high near 64°F and a low near 42°F. The maximum rain chance is 9%.