Weather in Chester, ID
Updated 2026-09-26 10:00 local time · ZIP codes 83421
Sunny
No government weather alerts were returned for this location at the latest update.
Next hours
57°1% rain
60°7% rain
63°9% rain65°9% rain67°7% rain68°9% rain68°9% rain68°9% rain66°9% rain63°9% rain
60°10% rain58°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 10%).
It feels like 44°F with winds near 16 mph.
63°F, 9% rain chance and 12 mph wind.
Visibility is around 6 mi; gusts may reach 32 mph.
Current temperature is 57°F, wind 16 mph, rain chance up to 10%.
UV index is 2.
Local weather characteristics in Chester
Idaho combines dry interior valleys with colder mountain climates. Elevation strongly affects temperature, snowfall and the timing of spring and fall conditions.
Chester is part of the West weather region. The forecast point is near 44.00°N latitude and 111.57°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.
Chester weather today
Sunny and 57°F in Chester, ID. Today's high is 68°F with a 5% rain chance. Winds are around 16 mph with gusts near 22 mph. Relative humidity is 34%, pressure is 29.99 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Chester
Sunrise is at 07:18 AM and sunset is at 07:16 PM. Tomorrow's forecast calls for Overcast with a high near 74°F and a low near 52°F. The maximum rain chance is 10%.