Weather San Marcos long-term weather forecast

Long-term weather forecast for San Marcos for ten days.

Wednesday, Sep 10

72 / 61°F

0.00 in

6 mph

61 °F	64 °F	5 am
73 °F	75 °F	11 am
72 °F	73 °F	5 pm
64 °F	68 °F	11 pm

sunrise 6:28 am
sunset 7:01 pm

HOURLY

During the day morning partly cloudy, in the afternoon initially partly cloudy, later clear. The highest temperature 72 °F. At night cloudy. The lowest temperature 61 °F.

Interactive map weather California, USA

GPS: 33.1434; -117.1661

altitude: 580 ft
local time:

PLACES IN THE AREA

Weather forecast San Marcos, California, USA extended forecast

Time			Precip.	Wind	Pressure	Humidity	Dew	total	Fog	Low	Middle	High
Wednesday 09/10/2025
5 AM 8 AM	partly cloudy	61 °F 63 °F	0.0 in	3 fps 2 mph east-southeast	29.9 in	90 %	57 °F	21 %	0%	21%	0%	0%
11 AM 2 PM	partly cloudy	73 °F 75 °F	0.0 in	9 fps 6 mph west	30.0 in	60 %	57 °F	13 %	0%	13%	0%	0%
5 PM 8 PM	clear	72 °F 73 °F	0.0 in	10 fps 7 mph west-northwest	29.9 in	62 %	57 °F	0 %	0%	0%	0%	0%
11 PM 2 AM	cloudy	64 °F 68 °F	0.0 in	5 fps 4 mph west-northwest	30.0 in	92 %	61 °F	43 %	0%	43%	0%	0%
Thursday 09/11/2025
5 AM 8 AM	partly cloudy	63 °F 66 °F	0.0 in	1 fps 0 mph north-northeast	30.0 in	93 %	59 °F	21 %	0%	21%	0%	0%
11 AM 2 PM	clear	75 °F 77 °F	0.0 in	9 fps 6 mph west-northwest	30.0 in	53 %	55 °F	0 %	0%	0%	0%	0%
5 PM 8 PM	clear	72 °F 73 °F	0.0 in	9 fps 6 mph west-northwest	29.9 in	58 %	55 °F	0 %	0%	0%	0%	0%
11 PM 2 AM	clear	64 °F 68 °F	0.0 in	2 fps 1 mph southwest	30.0 in	95 %	61 °F	1 %	0%	1%	0%	0%

San Marcos, California, USA - information

State: California, USA

GPS coordinates: 33.1434; -117.1661

Time zone: America / Los Angeles time difference in hours with time in NY is -9 hours

Population: 92 931
Altitude: 580 ft
The administrative part:

California, Sacramento
San Diego County, San Diego

Something wrong, something missing?

Weather San Marcos, California, USA. Weather forecast San Marcos.

San Marcos - weather nearby - bigger cities

Escondido, 4.9 km
Vista, 5.9 km
Valley Center, 9.2 km
Encinitas, 10 km
Carlsbad, 11 km
Solana Beach, 12 km

San Marcos - weather nearby - the closest place

Twin Oaks Valley, 0.3 km
Richland, 1.6 km
Foothills of San Marcos Mobile Home Park, 1.7 km
San Marcos Mobile Estates, 1.9 km
San Marcos 848 Dam, 2.0 km
Casitas del Sol Mobile Home Park, 2.1 km

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Data source

Weather forecast for San Marcos is supplied by MET Norway Norwegian Meteorological Institute and the NRK.

Feels like

To calculate the perceived temperature, we use the Australian Apparent Temperature (AAT) model, which is designed for year-round calculations and takes air humidity into account in addition to temperature and wind speed.

Weather with Meteobox for your website

Astronomical information San Marcos

data are always in the local time

Sun and light

Sept. 10, 2025

Sunrise:	Sunset:
6:28 am	7:01 pm
Noon:	Length of day:
12:45 pm	12:32
Start of civil twilight*:	End of civil twilight*:
6:03 am	7:26 pm
Start of nautical twilight*:	End of nautical twilight*:
5:35 am	7:55 pm
Start of astronomical twilight*:	End of astronomical twilight*:
5:05 am	8:25 pm
* What is Twilight?

Moon and moon phases

Moonrise:	Moonset:
09/09/2025 8:13 pm	09/10/2025 9:44 am
Next new moon:	Next full moon:
09/21/2025	10/06/2025