Weather in Poston, AZ
Updated 2026-09-26 10:30 local time · ZIP codes 85371
Partly Cloudy
No government weather alerts were returned for this location at the latest update.
Next hours
90°3% rain93°4% rain
96°0% rain98°1% rain99°0% rain100°1% rain
100°6% rain99°3% rain
96°9% rain
94°9% rain93°9% rain91°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 88°F with winds near 3 mph.
93°F, 4% rain chance and 6 mph wind.
Visibility is around 6 mi; gusts may reach 23 mph.
Current temperature is 90°F, wind 3 mph, rain chance up to 9%.
UV index is 4. Sunscreen and sunglasses are sensible for longer outdoor time.
Local weather characteristics in Poston
Arizona weather is strongly shaped by elevation: desert valleys are very hot and dry, while higher terrain is cooler and can receive winter snow. Summer monsoon storms can develop quickly.
Poston is part of the West weather region. The forecast point is near 33.99°N latitude and 114.40°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.
Poston weather today
Partly Cloudy and 90°F in Poston, AZ. Today's high is 100°F with a 4% rain chance. Winds are around 3 mph with gusts near 5 mph. Relative humidity is 26%, pressure is 29.86 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Poston
Sunrise is at 06:28 AM and sunset is at 06:29 PM. Tomorrow's forecast calls for Overcast with a high near 95°F and a low near 83°F. The maximum rain chance is 9%.