New York, NY 22° Los Angeles, CA 19° 🌤️ Chicago, IL Houston, TX 25° 🌤️ Miami, FL 🌤️ Phoenix, AZ 🌤️ Seattle, WA 🌤️ Denver, CO Toronto, ON 21° 🌤️ Vancouver, BC
WeatherLiveCaliforniaLos Alamitos

Los Alamitos, CA Weather (90721)

ZIP codes: 90721 · 90720
Current WeatherLos Alamitos · 2:02 AM PDT
29° | 13°
20°C
Feels like 18°
Sunny
WindSW 15 mph · Gusts 26 mph
Precip36% · 0.02 in
Humidity85% · Dew point 18°
UV index10 Very high
Air Quality34 Good
Pressure29.85 inHg
Visibility6 mi
Sunrise / Sunset6:15 AM · 7:37 PM · 13h 22m

Weather map — Los Alamitos

Full radar →
Now
20°
12%
16 mph
03:00
20°
14%
18 mph
04:00
19°
16%
19 mph
05:00
19°
17%
19 mph
06:00
19°
20%
18 mph
07:00
20°
25%
15 mph
08:00
21°
24%
17 mph
09:00
24°
7%
16 mph
10:00
26°
13%
15 mph
11:00
29°
12%
14 mph
12:00
28°
12%
13 mph
13:00
13°
17%
14 mph
14:00
13°
12%
16 mph
15:00
13°
17%
17 mph
16:00
13°
12%
17 mph
17:00
13°
17%
18 mph
18:00
13°
17%
19 mph
19:00
13°
3%
18 mph
20:00
13°
13%
17 mph
21:00
13°
12%
17 mph
22:00
13°
3%
15 mph
23:00
13°
14%
15 mph
00:00
13°
3%
14 mph
01:00
13°
3%
13 mph

Today · Mon 8/17

High 29°
36% / 0.02 in

Showers. Winds SW at 19 mph.

Overnight · Mon 8/17

Low 19°
14% / –

Sunny. Winds SW at 18 mph.

Tomorrow · Tue 8/18

13° | 13°
57% / 0.08 in

Showers. Winds SW at 14 mph.

7-day trend

Los Alamitos · temperature + precipitation

10-day forecast

Updated 2:02 AM

Details & indices

Wind
15 mph SW
Gusts 26 mph
Humidity
85%
Dew point 18°
Pressure
29.85 inHg
Falling
UV index
10 — Very high
High today
Air Quality
Good
AQI 34 · US EPA
Allergy
High
Mugwort
Visibility
6 mi
Clear view
Allergy — Los Alamitos

🌿 Conditions right now

View all →
Birch
None
Grass
Moderate
Oak
None
Alder
None
Hazel
None
Mugwort
Moderate
Ragweed
Low

Sun & moon

Sunrise6:15 AM
Sunset7:37 PM
Length of day13h 22m
Moonrise11:28 AM
Moonset10:16 PM
Next full moonAug 27 Sturgeon Moon
Latitude33.8031°N
Longitude-118.0726°E

Water temps nearby

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Huntington Beach (11 mi)72°
Newport Beach (16 mi)73°
Laguna Beach (24 mi)73°
Venice Beach (26 mi)73°
Santa Monica Beach (28 mi)73°
Zuma Beach, Malibu (45 mi)72°
🌤️No rain expected in the next 90 minutes
Now+30+60+90 min
Minute-by-minute precip · HRRR nowcast

Daily planner

computed from today's forecast
Laundry day
Poor
Line-drying weather
Grilling
Fair
Fire up the grill
Running
Poor
Lace up outside
Patio
Poor
Dinner outdoors
Nearby places in {{REGION}}
Los Angeles
Mostly cloudy
19°
San Diego
Partly cloudy
21°
🌤️
San Jose
San Francisco
Mostly cloudy
13°
🌤️
Fresno
🌤️
Sacramento
Data sources · Monday, August 17
Where the Los Alamitos forecast comes from
This page blends NOAA/NWS model guidance with global ensembles for the 10-day outlook, air quality and alerts. Data refreshes every hour, current conditions every 15 minutes. Coordinates: 33.8031°N, -118.0726°.
NBM + global weather models
Updated: 2:02 AM
Weather in Los Alamitos
Los Alamitos's outlook: warmest day near 29° (Monday), coldest night about 11° (Tuesday). Roughly 1.7 in of rain falls over the period, with Friday the most likely wet day (90%). Hold onto the patio furniture Friday: gusts could hit 56 mph. No watches or warnings are active for the area right now. Right now Los Alamitos is running about 51° warmer than Santa Clarita. Longer view: Mediterranean pattern — nearly all rain lands November through March.
Los Alamitos, CA · Elev 23 ft · 33.80°N, 118.07°W · California · Forecast computed for these exact coordinates
Powered by NWS/NOAA guidance, multi-model forecasts and official environmental feeds · NOAA/NWS · EPA AirNow · MET Norway · global models
Updated: 2:02 AM