Weather in Sunnyside, UT
Updated 2026-09-26 10:00 local time · ZIP codes 84539
Sunny
No government weather alerts were returned for this location at the latest update.
Next hours
66°2% rain68°1% rain71°1% rain73°1% rain75°1% rain
76°3% rain77°4% rain
77°7% rain
76°9% rain72°9% rain
71°9% rain70°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 63°F with winds near 2 mph.
71°F, 1% rain chance and 6 mph wind.
Visibility is around 6 mi; gusts may reach 13 mph.
Current temperature is 66°F, wind 2 mph, rain chance up to 9%.
UV index is 2.
Local weather characteristics in Sunnyside
Utah is generally dry, but elevation creates major contrasts between hot desert valleys and colder mountain areas with substantial winter snowfall.
Sunnyside is part of the West weather region. The forecast point is near 39.55°N latitude and 110.39°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.
Sunnyside weather today
Sunny and 66°F in Sunnyside, UT. Today's high is 77°F with a 3% rain chance. Winds are around 2 mph with gusts near 3 mph. Relative humidity is 46%, pressure is 30.00 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Sunnyside
Sunrise is at 07:13 AM and sunset is at 07:12 PM. Tomorrow's forecast calls for Overcast with a high near 77°F and a low near 60°F. The maximum rain chance is 8%.