Weather.st

San Marcos Weather

21°
Clear sky
San Marcos, California, United States
Feels like 21° · Local time 18:00
2° cooler than this time yesterday

Hour by hour

No rain expected in the next 24 hours.

Now
21°
💧0%
7 PM
20°
💧0%
8 PM
20°
💧0%
9 PM
19°
💧0%
10 PM
18°
💧0%
11 PM
18°
💧0%
12 AM
17°
💧0%
1 AM
17°
💧0%
2 AM
17°
💧0%
3 AM
17°
💧0%
4 AM
17°
💧0%
5 AM
17°
💧0%
6 AM
17°
💧0%
7 AM
17°
💧0%
8 AM
20°
💧0%
9 AM
24°
💧0%
10 AM
27°
💧0%
11 AM
29°
💧0%
12 PM
29°
💧0%
1 PM
28°
💧0%
2 PM
27°
💧0%
3 PM
26°
💧0%
4 PM
24°
💧0%
5 PM
21°
💧0%

Rain radar

Loading radar…

San Marcos 16-day weather forecast

Today
Partly cloudy · 💧0%
16°31°
Tuesday, Nov 10
Overcast · 💧0%
17°29°
Wednesday, Nov 11
Clear sky · 💧0%
15°28°
Thursday, Nov 12
Mainly clear · 💧19%
16°25°
Friday, Nov 13
Light drizzle · 💧24%
15°23°
Saturday, Nov 14
Dense drizzle · 💧23%
15°18°
Sunday, Nov 15
Light drizzle · 💧40%
16°19°
Monday, Nov 16
Drizzle · 💧40%
16°19°
Tuesday, Nov 17
Light drizzle · 💧36%
13°19°
Wednesday, Nov 18
Dense drizzle · 💧26%
12°18°
Thursday, Nov 19
Drizzle · 💧30%
10°16°
Friday, Nov 20
Partly cloudy · 💧26%
9°18°
Saturday, Nov 21
Light drizzle · 💧10%
10°19°
Sunday, Nov 22
Overcast · 💧11%
11°20°
Monday, Nov 23
Light showers · 💧26%
11°14°
Tuesday, Nov 24
Light drizzle · 💧24%
12°20°

Today's details

Feels like
21°
Humidity
64%
Dew point
14°
Wind
2 km/h SE
Gusts
4 km/h
Pressure
1015 hPa · steady
UV index now
0 · max 5
Visibility
27 km
Sunrise / sunset
06:14 / 16:50
Moon
New Moon · 0% lit
Hour-by-hour detail — next 48 hours
TimeTempRainAmountHumidityWind
Now21°0%0.0 mm64%2 km/h
7 PM20°0%0.0 mm62%4 km/h
8 PM20°0%0.0 mm55%8 km/h
9 PM19°0%0.0 mm54%8 km/h
10 PM18°0%0.0 mm56%3 km/h
11 PM18°0%0.0 mm65%4 km/h
12 AM 11-1017°0%0.0 mm64%7 km/h
1 AM 11-1017°0%0.0 mm62%8 km/h
2 AM 11-1017°0%0.0 mm60%8 km/h
3 AM 11-1017°0%0.0 mm53%8 km/h
4 AM 11-1017°0%0.0 mm43%7 km/h
5 AM 11-1017°0%0.0 mm38%5 km/h
6 AM 11-1017°0%0.0 mm39%4 km/h
7 AM 11-1017°0%0.0 mm39%5 km/h
8 AM 11-1020°0%0.0 mm37%4 km/h
9 AM 11-1024°0%0.0 mm30%3 km/h
10 AM 11-1027°0%0.0 mm26%2 km/h
11 AM 11-1029°0%0.0 mm23%6 km/h
12 PM 11-1029°0%0.0 mm28%11 km/h
1 PM 11-1028°0%0.0 mm37%14 km/h
2 PM 11-1027°0%0.0 mm42%14 km/h
3 PM 11-1026°0%0.0 mm50%13 km/h
4 PM 11-1024°0%0.0 mm54%10 km/h
5 PM 11-1021°0%0.0 mm67%6 km/h
6 PM 11-1019°0%0.0 mm78%3 km/h
7 PM 11-1019°0%0.0 mm78%2 km/h
8 PM 11-1018°0%0.0 mm75%2 km/h
9 PM 11-1017°0%0.0 mm74%4 km/h
10 PM 11-1017°0%0.0 mm72%5 km/h
11 PM 11-1017°0%0.0 mm70%4 km/h
12 AM 11-1117°0%0.0 mm68%3 km/h
1 AM 11-1116°0%0.0 mm65%2 km/h
2 AM 11-1116°0%0.0 mm63%3 km/h
3 AM 11-1116°0%0.0 mm63%4 km/h
4 AM 11-1115°0%0.0 mm61%4 km/h
5 AM 11-1115°0%0.0 mm60%6 km/h
6 AM 11-1115°0%0.0 mm55%6 km/h
7 AM 11-1116°0%0.0 mm50%8 km/h
8 AM 11-1119°0%0.0 mm43%5 km/h
9 AM 11-1123°0%0.0 mm37%1 km/h
10 AM 11-1126°0%0.0 mm30%3 km/h
11 AM 11-1128°0%0.0 mm28%7 km/h
12 PM 11-1128°0%0.0 mm38%11 km/h
1 PM 11-1127°0%0.0 mm37%13 km/h
2 PM 11-1127°0%0.0 mm36%13 km/h
3 PM 11-1125°0%0.0 mm40%12 km/h
4 PM 11-1124°0%0.0 mm44%9 km/h
5 PM 11-1121°0%0.0 mm56%8 km/h

Air quality in San Marcos

49
US AQI — Good
PM2.5 12.3 µg/m³ · PM10 14.1 µg/m³ · O₃ 59 µg/m³

Ocean & waves

Wave height
1.0 m
Wave period
13 s
Wave direction
W

Frequently asked questions

What is the weather in San Marcos today?

Clear sky, currently 21° (feels like 21°), with a high of 31° and a low of 16°. No rain expected in the next 24 hours.

What is the air quality in San Marcos?

The air quality in San Marcos is good (US AQI 49). PM2.5 is 12.3 µg/m³ and PM10 is 14.1 µg/m³.

Nearby cities

Escondido · 8 kmVista · 9 kmEncinitas · 17 kmCarlsbad · 17 kmOceanside · 21 kmRancho Penasquitos · 21 kmPoway · 23 kmMira Mesa · 25 km