Weather in Fountain Valley, CA
Updated 2026-09-26 07:00 local time · ZIP codes 92708

Overcast
No government weather alerts were returned for this location at the latest update.
Next hours
73°19% rain
72°12% rain
74°6% rain
77°4% rain
79°5% rain
80°3% rain
80°3% rain
80°3% rain
81°2% rain
80°2% rain
80°12% rain
79°12% 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 19%).
It feels like 78°F with winds near 2 mph.
74°F, 6% rain chance and 3 mph wind.
Visibility is around 6 mi; gusts may reach 21 mph.
Current temperature is 73°F, wind 2 mph, rain chance up to 19%.
UV index is 0.
Local weather characteristics in Fountain Valley
California weather varies from cool marine conditions along parts of the Pacific coast to hot inland valleys, deserts and snowy mountain climates. Short distances can produce large temperature differences.
Fountain Valley is part of the West weather region. The forecast point is near 33.71°N latitude and 117.95°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.
Fountain Valley weather today
Overcast and 73°F in Fountain Valley, CA. Today's high is 81°F with a 10% rain chance. Winds are around 2 mph with gusts near 8 mph. Relative humidity is 72%, pressure is 29.85 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Fountain Valley
Sunrise is at 06:42 AM and sunset is at 06:43 PM. Tomorrow's forecast calls for Overcast with a high near 80°F and a low near 72°F. The maximum rain chance is 10%.