Fog 22°

Fog, feels like 22°.

San Marcos, California, United States · Wednesday, 4 November 2026

Low/High
14°/22°
Humidity
72%
Chance of rain
6%
Wind
12.2 km/h
UV
5.1

Temperature Tomorrow

San Marcos Weather Tomorrow by Time of Day

San Marcos Weather Tomorrow by Time of Day
Time of dayWeatherWeatherTemperatureChance of rain
MorningMostly clear14–21°C4%
AfternoonMostly clear20–22°C0%
EveningMostly clear16–18°C0%
NightMostly clear14–15°C0%

San Marcos Weather Tomorrow — Wednesday, 4 November 2026

San Marcos Weather Tomorrow — Wednesday, 4 November 2026
DateLow/HighWeatherChance of rainWindSummary
14 °/22 ° Fog Fog 6% 12 km/h
Wed 4 Nov Weather

Low/High14°/22°

Humidity72%

Pressure993 hPa

Sunrise/Sunset

San Marcos Hourly Weather Tomorrow

San Marcos Hourly Weather Tomorrow
TimeWeatherWeatherTemperatureFeels likeRainHumidityWind
Partly cloudy 17°17°2% 84%6 km/h
Overcast 17°16°3% 81%9 km/h
Overcast 15°15°4% 82%9 km/h
Overcast 14°14°6% 85%8 km/h
Overcast 14°13°6% 83%8 km/h
Partly cloudy 14°13°4% 78%8 km/h
Mostly clear 14°12°2% 79%9 km/h
Mostly clear 14°14°0% 82%8 km/h
Mostly clear 17°17°0% 77%6 km/h
Mostly clear 18°19°0% 77%2 km/h
Mostly clear 20°20°0% 64%6 km/h
Mostly clear 21°22°0% 55%5 km/h
Mostly clear 22°22°0% 54%10 km/h
Mostly clear 22°22°0% 55%11 km/h
Mostly clear 22°21°0% 57%11 km/h
Mostly clear 21°20°0% 59%12 km/h
Mostly clear 20°19°0% 64%12 km/h
Mostly clear 18°18°0% 69%7 km/h
Mostly clear 17°17°0% 71%3 km/h
Overcast 16°16°0% 73%3 km/h
Mostly clear 16°15°0% 75%7 km/h
Mostly clear 15°14°0% 78%7 km/h
Mostly clear 15°14°0% 78%7 km/h
Partly cloudy 14°13°0% 76%7 km/h

Summary

Tomorrow, Wednesday 4 November 2026, the weather in San Marcos is forecast to be fog, with temperatures of 14–22°C and a chance of rain of up to 6%. It should stay mostly dry.

Updated at 19:48 local time, 3 November 2026

San Marcos Hourly Temperature and Chance of Rain

San Marcos Air Quality

Good · AQI 45

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

PM2.5 (µg/m³)14
PM10 (µg/m³)17
O₃ (µg/m³)59
NO₂ (µg/m³)33
SO₂ (µg/m³)2.7
CO (µg/m³)239
Windy Map