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WeatherLive › California › Rancho Santa Margarita

Rancho Santa Margarita, CA Weather

Today Hourly 10-Day Weekend Monthly Radar Air Quality Climate
Current WeatherRancho Santa Margarita · 3:41 PM PDT
30° | 15°
30°C
Feels like 29°
Sunny
WindSW 8 mph · Gusts 17 mph
Precip5% · –
Humidity42% · Dew point 15°
UV index9 Very high
Air Quality61 Moderate
Pressure29.94 inHg
Visibility6 mi
Sunrise / Sunset6:25 AM · 7:15 PM · 12h 50m

Weather map — Rancho Santa Margarita

Full radar →
Now
30°
1%
8 mph
16:00
29°
1%
9 mph
17:00
26°
1%
10 mph
18:00
25°
2%
11 mph
19:00
25°
3%
11 mph
20:00
20°
5%
9 mph
21:00
19°
6%
7 mph
22:00
21°
5%
5 mph
23:00
21°
5%
3 mph
00:00
21°
6%
2 mph
01:00
20°
6%
2 mph
02:00
20°
7%
3 mph
03:00
20°
7%
3 mph
04:00
20°
8%
5 mph
05:00
20°
9%
6 mph
06:00
20°
9%
7 mph
07:00
20°
10%
8 mph
08:00
20°
9%
10 mph
09:00
21°
7%
11 mph
10:00
21°
6%
10 mph
11:00
21°
6%
10 mph
12:00
21°
5%
10 mph
13:00
21°
5%
10 mph
14:00
21°
5%
9 mph

Today · Wed 9/2

High 30°
5% / –

Sunny. Winds W at 11 mph.

Tonight · Wed 9/2

Low 19°
6% / –

Sunny. Winds W at 7 mph.

Tomorrow · Thu 9/3

21° | 20°
7% / –

Sunny. Winds SE at 11 mph.

7-day trend

Rancho Santa Margarita · temperature + precipitation

10-day forecast

Updated 3:41 PM

Details & indices

Wind
8 mph SW
Gusts 17 mph
Humidity
42%
Dew point 15°
Pressure
29.94 inHg
Rising
UV index
9 — Very high
High today
Air Quality
Moderate
AQI 61 · US EPA
Allergy
Very high
Ragweed
Visibility
6 mi
Clear view
Allergy — Rancho Santa Margarita

🌿 Conditions right now

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

Sun & moon

Sunrise6:25 AM
Sunset7:15 PM
Length of day12h 50m
Moonrise10:21 PM
Moonset12:12 PM
Moon phase🌗 Last Quarter · 66%
Next full moonSep 26 Harvest Moon
Latitude33.6409°N
Longitude-117.6031°E

Water temps nearby

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Laguna Beach (12 mi)75°
Newport Beach (19 mi)75°
Huntington Beach (23 mi)75°
Venice Beach (55 mi)74°
Santa Monica Beach (57 mi)74°
La Jolla Cove (58 mi)73°
🌤️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
Sunny
30°
San Diego
Sunny
27°
San Jose
Sunny
25°
San Francisco
Partly cloudy
20°
Fresno
Sunny
32°
Sacramento
Sunny
25°
Data sources · Wednesday, September 2
Where the Rancho Santa Margarita 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: 33.6409°N, -117.6031°.
NBM + global weather models
Updated: 3:41 PM
Weather in Rancho Santa Margarita
The 10-day span for Rancho Santa Margarita runs from a high near 30° on Wednesday down to 15° overnight on Wednesday. Essentially no rain is in the forecast — expect a dry stretch. No watches or warnings are active for the area right now. Right now Rancho Santa Margarita is running about 68° warmer than Santa Clarita. Longer view: Mediterranean pattern — nearly all rain lands November through March.
Rancho Santa Margarita, CA · Elev 948 ft · 33.64°N, 117.60°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: 3:41 PM