Partly cloudy 17°

Partly cloudy, feels like 17°.

San Marcos, California, United States · Tuesday, 3 November 2026 18:30 local time

Low/High
12°/23°
Humidity
80%
Visibility
19.7 km
Wind
6.8 km/h
Dew point
13°
UV
0.0

Next 24 Hours

San Marcos Hourly Weather

San Marcos 7-Day Forecast

San Marcos 7-Day Forecast
DateLow/HighWeatherChance of rainWindSummary
12 °/23 ° Overcast Overcast 1% 15 km/h
Today Weather

Low/High12°/23°

Humidity70%

Pressure995 hPa

Sunrise/Sunset

13 °/22 ° Fog Fog 6% 11 km/h
Wed 4 Nov Weather

Low/High13°/22°

Humidity71%

Pressure993 hPa

Sunrise/Sunset

13 °/23 ° Overcast Overcast 0% 11 km/h
Thu 5 Nov Weather

Low/High13°/23°

Humidity57%

Pressure993 hPa

Sunrise/Sunset

15 °/27 ° Mostly clear Mostly clear 0% 15 km/h
Fri 6 Nov Weather

Low/High15°/27°

Humidity41%

Pressure994 hPa

Sunrise/Sunset

15 °/27 ° Mostly clear Mostly clear 0% 14 km/h
Sat 7 Nov Weather

Low/High15°/27°

Humidity30%

Pressure995 hPa

Sunrise/Sunset

16 °/27 ° Clear sky Clear sky 0% 9 km/h
Sun 8 Nov Weather

Low/High16°/27°

Humidity30%

Pressure994 hPa

Sunrise/Sunset

16 °/26 ° Overcast Overcast 0% 11 km/h
Mon 9 Nov Weather

Low/High16°/26°

Humidity45%

Pressure993 hPa

Sunrise/Sunset

San Marcos Weather Summary

San Marcos, Tuesday 3 November 2026: partly cloudy, 17°C (feels like 17°C), with a range of 12–23°C today. The chance of rain over the next 24 hours is low (6% at most). Tomorrow: fog, 13–22°C — see weather tomorrow or the hourly forecast.

Updated at 18:33 local time, 3 November 2026

San Marcos Hourly Temperature and Chance of Rain

San Marcos Temperature and Chance of Rain, Next Days

About San Marcos

San Marcos is a city in California, the United States. The forecast uses the local point at 33.14°N, 117.17°W, about 177 m above sea level. Local time is UTC−8 (America/Los Angeles). Data combine the ECMWF, ICON and GFS weather models and refresh every 15 minutes; for official warnings, follow the national weather service.

San Marcos Air Quality

Good · AQI 46

Air quality is good and poses little or no risk for outdoor activity.

PM2.5 (µg/m³)12
PM10 (µg/m³)15
O₃ (µg/m³)75
NO₂ (µg/m³)25
SO₂ (µg/m³)2.8
CO (µg/m³)216
Windy Map