Weather in Terreton, ID
Updated 2026-09-26 10:00 local time · ZIP codes 83450
Partly Cloudy
No government weather alerts were returned for this location at the latest update.
Next hours
59°2% rain
63°7% rain
65°9% rain66°9% rain68°9% rain69°9% rain69°9% rain68°9% rain67°9% rain65°9% rain
62°9% rain61°9% 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 9%).
It feels like 47°F with winds near 14 mph.
62°F, 9% rain chance and 13 mph wind.
Visibility is around 6 mi; gusts may reach 34 mph.
Current temperature is 59°F, wind 14 mph, rain chance up to 9%.
UV index is 1.
Local weather characteristics in Terreton
Idaho combines dry interior valleys with colder mountain climates. Elevation strongly affects temperature, snowfall and the timing of spring and fall conditions.
Terreton is part of the West weather region. The forecast point is near 43.81°N latitude and 112.44°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.
Terreton weather today
Partly Cloudy and 59°F in Terreton, ID. Today's high is 69°F with a 4% rain chance. Winds are around 14 mph with gusts near 23 mph. Relative humidity is 32%, pressure is 29.96 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Terreton
Sunrise is at 07:21 AM and sunset is at 07:20 PM. Tomorrow's forecast calls for Overcast with a high near 73°F and a low near 54°F. The maximum rain chance is 9%.