Los Alamitos, CA Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Los Alamitos, CA in one place.
Sunny, with a high near 78. South wind 0 to 10 mph.
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: Oct 18, 2026 10:19 PM PDT.
The active forecast window currently covers Oct 19 to Oct 25, 2026 for Los Alamitos, CA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 19 to Oct 25, 2026
- Latest sync
- Oct 18, 2026 10:19 PM PDT
- Forecast office
- SGX
- Source
- NOAA / NWS
Daily Outlook
This Week in Los Alamitos
Monday looks like the warmest upcoming period in Los Alamitos at 78 degrees F.
Thursday Night is the coolest period ahead with temperatures near 58 degrees F.
The strongest winds are forecast for Monday at about 0 to 10 mph S.
Precipitation is mentioned in 5 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 18, 2026 10:19 PM PDT
- Coverage
- 7 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
Patchy fog between 11pm and 5am. Partly cloudy, with a low around 64. South wind 0 to 5 mph.
Mostly sunny, with a high near 77. South wind 0 to 10 mph.
A chance of rain after 5am. Partly cloudy, with a low around 63. South wind 0 to 5 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
A chance of rain before 11am, then showers and thunderstorms. Mostly cloudy, with a high near 73. Chance of precipitation is 90%.
Showers and thunderstorms. Mostly cloudy, with a low around 59.
Rain showers likely. Partly sunny, with a high near 69.
A chance of rain showers before 11pm. Partly cloudy, with a low around 58.
Sunny, with a high near 71.
Mostly clear, with a low around 59.
Sunny, with a high near 77.
Mostly clear, with a low around 61.
Mostly sunny, with a high near 75.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Monday
Oct 19
|
Sunny
|
78°F |
0 to 10 mph
S
|
|
Monday Night
Oct 19
|
Patchy Fog
|
64°F |
0 to 5 mph
S
|
|
Tuesday
Oct 20
|
Mostly Sunny
|
77°F |
0 to 10 mph
S
|
|
Tuesday Night
Oct 20
|
Partly Cloudy then Chance Light Rain
|
63°F |
0 to 5 mph
S
|
|
Wednesday
Oct 21
|
Showers And Thunderstorms
|
73°F |
0 to 10 mph
SE
|
|
Wednesday Night
Oct 21
|
Showers And Thunderstorms
|
59°F |
5 to 10 mph
S
|
|
Thursday
Oct 22
|
Rain Showers Likely
|
69°F |
5 to 10 mph
SW
|
|
Thursday Night
Oct 22
|
Chance Rain Showers then Partly Cloudy
|
58°F |
5 to 10 mph
NW
|
|
Friday
Oct 23
|
Sunny
|
71°F |
0 to 10 mph
NE
|
|
Friday Night
Oct 23
|
Mostly Clear
|
59°F |
0 to 10 mph
NW
|
|
Saturday
Oct 24
|
Sunny
|
77°F |
0 to 5 mph
NW
|
|
Saturday Night
Oct 24
|
Mostly Clear
|
61°F |
5 mph
N
|
|
Sunday
Oct 25
|
Mostly Sunny
|
75°F |
5 to 10 mph
W
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Los Alamitos.