Cities / United States / California

24°

🌤️ Lake San Marcos weather

Mostly clear. .

Feels like 28° Wind 9 km/h W Humidity 88% Pressure 1010 hPa UV 0 Air Poor ☀ 06:21 - 19:17
⚠ Heat Advisory · Moderate

Heat Advisory issued August 29 at 11:40AM PDT until August 29 at 8:00PM PDT by NWS San Diego CA

Right now it is 24° in Lake San Marcos with mostly clear skies, it feels more like 28° and today's high is 31° with an overnight low of 21°. The sun rises at 06:21 and sets at 19:17, giving 12h 56m of daylight. Over the coming week highs range from 27° to 31°.

Lake San Marcos is in California, United States, sitting 160 m above sea level, with a population of about 4,000. Local time is America/Los_Angeles (UTC−7), and every time on this page is shown in it.

Next 24 hours - temperature

19° 24° 29° 29° 20° 19:00 · 25.9° · 0 mm 20:00 · 23.7° · 0 mm 21:00 · 22.9° · 0 mm 22:00 · 22.9° · 0 mm 23:00 · 22.7° · 0 mm 00:00 · 22.2° · 0 mm 01:00 · 21.6° · 0 mm 02:00 · 21.3° · 0 mm 03:00 · 21° · 0 mm 04:00 · 20.8° · 0 mm 05:00 · 20.6° · 0 mm 06:00 · 19.9° · 0 mm 07:00 · 20.1° · 0 mm 08:00 · 22.5° · 0 mm 09:00 · 25° · 0 mm 10:00 · 27.4° · 0 mm 11:00 · 28.6° · 0 mm 12:00 · 29° · 0 mm 13:00 · 28.6° · 0 mm 14:00 · 28.2° · 0 mm 15:00 · 27.8° · 0 mm 16:00 · 27.2° · 0 mm 17:00 · 26.1° · 0 mm 18:00 · 24.7° · 0 mm

Precipitation

19:00 · 0 mm 19:00 20:00 · 0 mm 21:00 · 0 mm 22:00 · 0 mm 22:00 23:00 · 0 mm 00:00 · 0 mm 01:00 · 0 mm 01:00 02:00 · 0 mm 03:00 · 0 mm 04:00 · 0 mm 04:00 05:00 · 0 mm 06:00 · 0 mm 07:00 · 0 mm 07:00 08:00 · 0 mm 09:00 · 0 mm 10:00 · 0 mm 10:00 11:00 · 0 mm 12:00 · 0 mm 13:00 · 0 mm 13:00 14:00 · 0 mm 15:00 · 0 mm 16:00 · 0 mm 16:00 17:00 · 0 mm 18:00 · 0 mm

Hour by hour

TIMETEMPFEELSRAINCONDITIONS
19:00 ☀️ 25.9° 28° - Clear sky
20:00 🌤️ 23.7° 26.9° - Mostly clear
21:00 ☁️ 22.9° 26.5° - Overcast
22:00 ⛅ 22.9° 26.9° - Partly cloudy
23:00 ☀️ 22.7° 26.6° - Clear sky
00:00 ☀️ 22.2° 25.3° - Clear sky
01:00 ☁️ 21.6° 24.7° - Overcast
02:00 ☁️ 21.3° 24.8° - Overcast
03:00 ☁️ 21° 24.6° - Overcast
04:00 ☁️ 20.8° 24.2° - Overcast
05:00 ⛅ 20.6° 23.6° - Partly cloudy
06:00 🌤️ 19.9° 22.2° - Mostly clear

Next 16 days

Today☀️ 31°21° Sun 30☀️ 29°20° Mon 31☀️ 27°17° Tue 1☀️ 30°16° Wed 2☀️ 31°18° Thu 3☀️ 30°17° Fri 4🌤️ 29°18° Sat 5☀️ 32°18° Sun 6☀️ 33°19° Mon 7☀️ 32°20° Tue 8☀️ 33°21° Wed 9☀️ 31°20° Thu 10☀️ 32°21° Fri 11⛅ 30°20° Sat 12☀️ 30°20° Sun 13☀️ 31°19°
☀️ TodayAugust 29th Avg 26° Low 21° at 06:00 High 31° at 11:00 Feels 34° Wind ~15 km/h
Clear Clear
00:00 24°
02:00 22°
04:00 23°
06:00 21°
08:00 25°
10:00 31°
12:00 30°
14:00 30°
16:00 29°
18:00 29°
20:00 24°
22:00 23°
☀️ SundayAugust 30th Avg 24° Low 20° at 06:00 High 29° at 12:00 Wind ~17 km/h
Cloudy Clear
00:00 22°
02:00 21°
04:00 21°
06:00 20°
08:00 23°
10:00 27°
12:00 29°
14:00 28°
16:00 27°
18:00 25°
20:00 22°
22:00 21°
☀️ MondayAugust 31st Avg 22° Low 17° at 23:00 High 27° at 13:00 Wind ~16 km/h
Clear
00:00 20°
02:00 19°
04:00 19°
06:00 18°
08:00 20°
10:00 25°
12:00 27°
14:00 27°
16:00 26°
18:00 24°
20:00 19°
22:00 17°
☀️ TuesdaySeptember 1st Avg 22° Low 16° at 06:00 High 30° at 12:00 Feels 27° Wind ~18 km/h
Clear Clear
00:00 17°
02:00 16°
04:00 16°
06:00 16°
08:00 22°
10:00 28°
12:00 30°
14:00 29°
16:00 28°
18:00 26°
20:00 21°
22:00 20°
☀️ WednesdaySeptember 2nd Avg 23° Low 18° at 05:00 High 31° at 12:00 Feels 28° Wind ~22 km/h
Clear Partly Cloudy Cloudy Clear
00:00 19°
02:00 19°
04:00 18°
06:00 18°
08:00 23°
10:00 28°
12:00 31°
14:00 29°
16:00 28°
18:00 26°
20:00 21°
22:00 20°
☀️ ThursdaySeptember 3rd Avg 23° Low 17° at 06:00 High 30° at 12:00 Feels 27° Wind ~16 km/h
Clear
00:00 19°
02:00 19°
04:00 18°
06:00 17°
08:00 23°
10:00 28°
12:00 30°
14:00 29°
16:00 28°
18:00 24°
20:00 19°
22:00 19°
🌤️ FridaySeptember 4th Avg 22° Low 18° at 03:00 High 29° at 12:00 Feels 27° Wind ~16 km/h
Cloudy Partly Cloudy Clear Partly Cloudy
00:00 19°
02:00 18°
04:00 18°
06:00 19°
08:00 22°
10:00 27°
12:00 29°
14:00 29°
16:00 28°
18:00 24°
20:00 20°
22:00 19°
☀️ SaturdaySeptember 5th Avg 24° Low 18° at 04:00 High 32° at 12:00 Feels 29° Wind ~16 km/h
Cloudy Clear
00:00 19°
02:00 19°
04:00 18°
06:00 19°
08:00 24°
10:00 30°
12:00 32°
14:00 31°
16:00 29°
18:00 26°
20:00 21°
22:00 20°
☀️ SundaySeptember 6th Avg 25° Low 19° at 04:00 High 33° at 12:00 Feels 31° Wind ~16 km/h
Clear
00:00 20°
02:00 20°
04:00 19°
06:00 21°
08:00 25°
10:00 31°
12:00 33°
14:00 31°
16:00 31°
18:00 28°
20:00 22°
22:00 21°
☀️ MondaySeptember 7th Avg 25° Low 20° at 04:00 High 32° at 13:00 Feels 30° Wind ~14 km/h
Clear
00:00 21°
02:00 21°
04:00 20°
06:00 22°
08:00 26°
10:00 30°
12:00 32°
14:00 32°
16:00 31°
18:00 28°
20:00 22°
22:00 22°
☀️ TuesdaySeptember 8th Avg 26° Low 21° at 04:00 High 33° at 12:00 Feels 30° Wind ~17 km/h
Clear
00:00 22°
02:00 21°
04:00 21°
06:00 23°
08:00 27°
10:00 31°
12:00 33°
14:00 32°
16:00 31°
18:00 27°
20:00 23°
22:00 22°
☀️ WednesdaySeptember 9th Avg 25° Low 20° at 04:00 High 31° at 12:00 Wind ~18 km/h
Clear
00:00 21°
02:00 21°
04:00 20°
06:00 22°
08:00 25°
10:00 29°
12:00 31°
14:00 30°
16:00 28°
18:00 26°
20:00 22°
22:00 21°
☀️ ThursdaySeptember 10th Avg 25° Low 21° at 01:00 High 32° at 12:00 Wind ~17 km/h
Clear Partly Cloudy Clear
00:00 21°
02:00 21°
04:00 21°
06:00 22°
08:00 24°
10:00 29°
12:00 32°
14:00 31°
16:00 30°
18:00 27°
20:00 23°
22:00 22°
⛅ FridaySeptember 11th Avg 24° Low 20° at 04:00 High 30° at 13:00 Wind ~16 km/h
Cloudy Partly Cloudy Partly Cloudy Clear
00:00 21°
02:00 21°
04:00 20°
06:00 21°
08:00 24°
10:00 28°
12:00 30°
14:00 30°
16:00 29°
18:00 26°
20:00 22°
22:00 21°
☀️ SaturdaySeptember 12th Avg 24° Low 20° at 04:00 High 30° at 13:00 Wind ~15 km/h
Clear
00:00 20°
02:00 20°
04:00 20°
06:00 21°
08:00 24°
10:00 28°
12:00 30°
14:00 30°
16:00 28°
18:00 24°
20:00 20°
22:00 20°
☀️ SundaySeptember 13th Avg 24° Low 19° at 04:00 High 31° at 12:00 Wind ~16 km/h
Clear
00:00 20°
02:00 20°
04:00 19°
06:00 20°
08:00 24°
10:00 29°
12:00 31°
14:00 29°
16:00 28°
18:00 25°
20:00 21°
22:00 20°

Sun

☀️ Sunrise 06:21 · Sunset 19:17

12h 56m of daylight · America/Los_Angeles

Air quality

PM2.5 58.3 µg/m³ - Poor

Consider shortening hard exercise outdoors, and keep the windows shut if it is worse outside than in.

Source: Copernicus CAMS, updated hourly.

Nearby

Palomar East Mobile Home Park · 1 km Palomar West Mobile Home Park · 1.4 km San Marcos · 4.4 km Buena · 5.3 km Ocean Hills · 6.1 km La Costa · 6.6 km

Tools for Lake San Marcos

☔ Will it rain today? 🌅 Sunrise & sunset 🫁 Air quality 📼 Weather on this day

Common questions about Lake San Marcos weather

Will it rain in Lake San Marcos today?

No rain is in the forecast for Lake San Marcos today.

What is the temperature in Lake San Marcos right now?

It is 24° in Lake San Marcos right now, though it feels closer to 28°. Today runs between a low of 21° and a high of 31°.

What time is sunrise and sunset in Lake San Marcos?

The sun rises at 06:21 and sets at 19:17 local time in Lake San Marcos today, giving 12h 56m of daylight.

What is the air quality in Lake San Marcos?

PM2.5 in Lake San Marcos is currently 58.3 µg/m³, which counts as Poor on the European air-quality index. Consider shortening hard exercise outdoors, and keep the windows shut if it is worse outside than in.

How accurate is the Lake San Marcos forecast, and how far ahead does it go?

This page shows 16 days ahead, refreshed every hour. It blends ECMWF, NOAA GFS and whichever national high-resolution model covers Lake San Marcos best. The first three days are the dependable part - day one is usually within a degree or two - and accuracy falls off steadily after day five, so read the far end as a trend rather than a plan. We publish our measured error against real station observations on the accuracy page.

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