Los Alamitos, CA Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Los Alamitos, CA in one place.
Mostly sunny, with a high near 77.
Local Weather Overview
This forecast page for Los Alamitos, 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 14, 2026 4:59 PM PDT.
The active forecast window currently covers Apr 18 to Apr 20, 2026 for Los Alamitos, CA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 18 to Apr 20, 2026
- Latest sync
- Apr 14, 2026 4:59 PM PDT
- Forecast office
- SGX
- Source
- NOAA / NWS
Daily Outlook
This Week in Los Alamitos
Saturday looks like the warmest upcoming period in Los Alamitos at 77 degrees F.
Monday Night is the coolest period ahead with temperatures near 54 degrees F.
The strongest winds are forecast for Monday at about 5 to 15 mph W.
The forecast from Apr 18 through Apr 20 stays mostly dry.
Forecast Details
- Last updated
- Apr 14, 2026 4:59 PM PDT
- Coverage
- 4 days
- Time zone
- America/Los_Angeles
- Forecast office
- SGX
- Radar station
- KSOX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Partly cloudy, with a low around 56.
Mostly sunny, with a high near 75.
Mostly clear, with a low around 56.
Mostly sunny, with a high near 71.
Mostly clear, with a low around 54.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Apr 18
|
Mostly Sunny
|
77°F |
0 to 10 mph
S
|
|
Saturday Night
Apr 18
|
Partly Cloudy
|
56°F |
0 to 10 mph
W
|
|
Sunday
Apr 19
|
Mostly Sunny
|
75°F |
0 to 10 mph
SW
|
|
Sunday Night
Apr 19
|
Mostly Clear
|
56°F |
5 to 10 mph
W
|
|
Monday
Apr 20
|
Mostly Sunny
|
71°F |
5 to 15 mph
W
|
|
Monday Night
Apr 20
|
Mostly Clear
|
54°F |
5 to 10 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Los Alamitos.
