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WeatherLive › California › Rossmoor

Rossmoor, CA Weather (90840)

ZIP codes: 90840 · 90740
Today Hourly 10-Day Weekend Monthly Radar Air Quality Climate
Current WeatherRossmoor · 7:25 AM PDT
88° | 65°
66°F
Feels like 70°
Fog
WindS 3 mph · Gusts 3 mph
Precip8% · –
Humidity98% · Dew point 65°
UV index9 Very high
Air Quality51 Moderate
Pressure29.91 inHg
Visibility6 mi
Sunrise / Sunset6:17 AM · 7:33 PM · 13h 16m

Weather map — Rossmoor

Full radar →
Now
66°
34%
3 mph
08:00
70°
16%
3 mph
09:00
74°
8%
5 mph
10:00
79°
5%
5 mph
11:00
86°
4%
7 mph
12:00
87°
4%
9 mph
13:00
88°
4%
9 mph
14:00
81°
13%
9 mph
15:00
81°
12%
9 mph
16:00
80°
13%
9 mph
17:00
79°
10%
10 mph
18:00
78°
5%
9 mph
19:00
76°
4%
7 mph
20:00
76°
4%
6 mph
21:00
75°
4%
5 mph
22:00
75°
5%
6 mph
23:00
75°
5%
6 mph
00:00
74°
6%
6 mph
01:00
74°
6%
5 mph
02:00
74°
6%
5 mph
03:00
73°
7%
4 mph
04:00
73°
7%
4 mph
05:00
73°
7%
4 mph
06:00
73°
7%
4 mph

Today · Thu 8/20

High 88°
8% / –

Sunny. Winds SW at 10 mph.

Overnight · Thu 8/20

Low 70°
— / –

Sunny.

Tomorrow · Fri 8/21

82° | 73°
5% / –

Sunny. Winds SW at 10 mph.

7-day trend

Rossmoor · temperature + precipitation

10-day forecast

Updated 7:25 AM

Details & indices

Wind
3 mph S
Gusts 3 mph
Humidity
98%
Dew point 65°
Pressure
29.91 inHg
Rising
UV index
9 — Very high
High today
Air Quality
Moderate
AQI 51 · US EPA
Allergy
Very high
Mugwort
Visibility
6 mi
Clear view
Allergy — Rossmoor

🌿 Conditions right now

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

Sun & moon

Sunrise6:17 AM
Sunset7:33 PM
Length of day13h 16m
Moonrise2:28 PM
Moonset—
Moon phase🌓 First Quarter · 55%
Next full moonAug 27 Sturgeon Moon
Latitude33.7856°N
Longitude-118.0851°E

Water temps nearby

View all →
Huntington Beach (10 mi)72°
Newport Beach (15 mi)73°
Laguna Beach (24 mi)73°
Venice Beach (26 mi)73°
Santa Monica Beach (28 mi)74°
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
Great
Line-drying weather
Grilling
Great
Fire up the grill
Running
Fair
Lace up outside
Patio
Great
Dinner outdoors
Nearby places in {{REGION}}
🌤️
Los Angeles
—
—
San Diego
Mostly cloudy
67° 🌤️
San Jose
—
—
San Francisco
Fog
57°
Fresno
Sunny
71° 🌤️
Sacramento
—
—
Data sources · Thursday, August 20
Where the Rossmoor 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: 33.7856°N, -118.0851°.
NBM + global weather models
Updated: 7:25 AM
Weather in Rossmoor
Rossmoor's outlook: warmest day near 88° (Thursday), coldest night about 65° (Thursday). Essentially no rain is in the forecast — expect a dry stretch. No watches or warnings are active for the area right now. Right now Rossmoor is about 39° cooler than nearby Bakersfield. Longer view: Mediterranean pattern — nearly all rain lands November through March.
Rossmoor, CA · Elev 13 ft · 33.79°N, 118.09°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: 7:25 AM