Signal Hill, CA Weather Forecast
Local 7-day forecast
Mostly Cloudy
Track current conditions, temperature changes, wind, and the full daily outlook for Signal Hill, CA in one place.
Mostly cloudy, with a low around 56.
Local Weather Overview
This forecast page for Signal Hill, CA is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Apr 9, 2026 7:55 PM PDT.
The active forecast window currently covers Apr 15, 2026 for Signal Hill, CA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 15, 2026
- Latest sync
- Apr 9, 2026 7:55 PM PDT
- Forecast office
- LOX
- Source
- NOAA / NWS
Daily Outlook
This Week in Signal Hill
Wednesday Night looks like the warmest upcoming period in Signal Hill at 56 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 56 degrees F.
The strongest winds are forecast for Wednesday Night at about 0 to 10 mph SSW.
The forecast from Apr 15 through Apr 15 stays mostly dry.
Forecast Details
- Last updated
- Apr 9, 2026 7:55 PM PDT
- Coverage
- 1 day
- Time zone
- America/Los_Angeles
- Forecast office
- LOX
- Radar station
- KSOX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday Night
Apr 15
|
Mostly Cloudy
|
56°F |
0 to 10 mph
SSW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Signal Hill.