Weather in Signal Hill, CA
Updated 2026-09-26 09:00 local time · ZIP codes 90755
Sunny
No government weather alerts were returned for this location at the latest update.
Next hours
73°7% rain
74°8% rain76°6% rain78°4% rain79°3% rain
80°7% rain82°2% rain81°2% rain
80°13% rain78°7% rain
77°15% rain77°14% 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 15%).
It feels like 75°F with winds near 5 mph.
73°F, 7% rain chance and 5 mph wind.
Visibility is around 6 mi; gusts may reach 18 mph.
Current temperature is 73°F, wind 5 mph, rain chance up to 15%.
UV index is 1.
Local weather characteristics in Signal Hill
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.
Signal Hill is part of the West weather region. The forecast point is near 33.80°N latitude and 118.17°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.
Signal Hill weather today
Sunny and 73°F in Signal Hill, CA. Today's high is 82°F with a 11% rain chance. Winds are around 5 mph with gusts near 5 mph. Relative humidity is 74%, pressure is 29.89 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Signal Hill
Sunrise is at 06:43 AM and sunset is at 06:44 PM. Tomorrow's forecast calls for Overcast with a high near 79°F and a low near 72°F. The maximum rain chance is 9%.