How does NOAA issue severe storm watches for San Marcos?

The National Weather Service (NWS) monitors atmospheric instability across California. When convective storms, tornado potential, or flash floods are detected, automated NOAA advisories are immediately broadcasted.

What are the best outdoor weather hours in San Marcos today?

Check the 24-hour hourly trend chart above to identify windows of minimal rain probability, low UV index periods, and mild temperatures.

CA, USAZIP 92069Live NOAA Station

San Marcos, CA

Q: What is the current temperature and forecast in San Marcos, California?

The current weather in San Marcos is around 73°F. Forecast models from NOAA and high-resolution satellite imagery provide 10-day trends and real-time precipitation radars updated every 15 minutes.

Mainly clear•体感温度 76°F+2° heat index

80°F/65°F

3 mph 321°

66%湿度

73°F

National Weather Service High-Resolution Rapid Refresh (HRRR)

更新时间: 03:00 AM (America/Los_Angeles)

Daily Meteorological Briefing

San Marcos, CA

Synthesized forecast and practical day-planning insights

NOAA HRRR Stream

Expect mild and stable weather across San Marcos, CA today.

Current temperature is 73°F (feels like 76°F), with daytime highs reaching 80°F and overnight lows around 65°F. Humidity is at 66%, with atmospheric pressure steady at 1012.2 hPa.

Overall excellent conditions for commuting and outdoor routines.

Daily Range

Δ 8° Variation

Rain Likelihood

Low (< 10%)

Solar Exposure

UV 4.45 • Moderate

24-Hour Temperature & Rain Outlook

Hourly temperature progression and precipitation probability

Temp (°F) Rain (%)

逐小时预报

Next 16 Hours

Now

69°F

1 AM

68°F

2 AM

67°F

3 AM

67°F

4 AM

67°F

5 AM

67°F

6 AM

69°F

7 AM

68°F

8 AM

69°F

9 AM

69°F

10 AM

73°F

11 AM

76°F

12 PM

80°F

1 PM

80°F

2 PM

79°F

3 PM

78°F

10天天气预报

Extended 10-day meteorological outlook

10-Day Range

Today

Sep 22

65°F

80°F

Wed

Sep 23

64°F

80°F

Thu

Sep 24

62°F

81°F

Fri

Sep 25

64°F

86°F

Sat

Sep 26

63°F

87°F

Sun

Sep 27

62°F

81°F

Mon

Sep 28

12%

58°F

80°F

Tue

Sep 29

60°F

87°F

Wed

Sep 30

67°F

87°F

Thu

Oct 1

62°F

78°F

Weather Details & Observations

Real-time atmospheric measurements and environmental indicators

Live Feed

紫外线指数Moderate

4.45 / 11+

Sunscreen advisedPeak 7.05

风向与风速321°

3 mph

Wind Gusts:4 mph

Conditions:Gentle breeze

Sun CycleDaylight

Sunrise06:36 AM

Sunset06:45 PM

Solar Noon:12:54 PM

湿度Humid

66%

露点:61°F

气压Steady

29.89 inHg

Trend:Stable (+0.1 hPa)

能见度Clear

14.7 mi

Haze:Minimal

Air Quality Index (AQI)Moderate

54US EPA Standard

Air quality is acceptable for most people.

PM2.511 µg

OZONE75 µg

PM1015 µg

Daily Lifestyle & Activity Index

Practical recommendations tailored to current local conditions

Outdoor SportsIdeal

Perfect temperature and low humidity for outdoor workouts.

Car WashRecommended

Dry conditions will keep your vehicle clean.

Pollen & AllergyLow Risk

Pollen counts remain in the comfortable range.

Driving SafetyOptimal

Dry pavement and clear visibility throughout.

Sun & Moon • Celestial Dynamics

Solar orbital arc trajectory and lunar cycle visibility

Astronomy Telemetry

Solar Day TrackDaylight Arc

Sunrise11:36 PM

Daylight ~13h

Sunset11:45 AM

Lunar Phase & StargazingNight Sky

Waxing Gibbous

80% Illumination

Stargazing condition: Optimal Visibility

Next Full Moon in ~5 daysTidal Currents Normal

常见天气问答 - San Marcos, California

The current weather in San Marcos is around 73°F. Forecast models from NOAA and high-resolution satellite imagery provide 10-day trends and real-time precipitation radars updated every 15 minutes.

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