Weather in New Plymouth, ID
Updated 2026-09-27 03:00 local time · ZIP codes 83655
Light rain shower
No government weather alerts were returned for this location at the latest update.
Next hours
57°65% rain57°56% rain57°67% rain
57°40% rain
57°56% rain
57°32% rain57°33% rain57°35% rain57°31% rain57°76% rain56°63% rain55°74% rain3-day weather forecast
Weather details
Sunrise, sunset and moon
Key weather changes ahead
Weather insights for today
Rain chance reaches about 76% over the next 12 hours.
It feels like 45°F with winds near 24 mph.
57°F, 32% rain chance and 27 mph wind.
Visibility is around 6 mi; gusts may reach 46 mph.
Current temperature is 57°F, wind 24 mph, rain chance up to 76%.
UV index is 0.
Local weather characteristics in New Plymouth
Idaho combines dry interior valleys with colder mountain climates. Elevation strongly affects temperature, snowfall and the timing of spring and fall conditions.
New Plymouth is part of the West weather region. The forecast point is near 39.07°N latitude and 174.08°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.
New Plymouth weather today
Light rain shower and 57°F in New Plymouth, ID. Today's high is 57°F with a 88% rain chance. Winds are around 24 mph with gusts near 34 mph. Relative humidity is 94%, pressure is 30.00 inHg, and visibility is about 6 miles.
Tonight and tomorrow in New Plymouth
Sunrise is at 07:04 AM and sunset is at 07:24 PM. Tomorrow's forecast calls for Patchy rain nearby with a high near 55°F and a low near 52°F. The maximum rain chance is 64%.