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
| Time of day | Weather | Weather | Temperature | Chance of rain |
|---|---|---|---|---|
| Morning | ![]() | Mostly clear | 14–21°C | 4% |
| Afternoon | ![]() | Mostly clear | 20–22°C | 0% |
| Evening | ![]() | Mostly clear | 16–18°C | 0% |
| Night | ![]() | Mostly clear | 14–15°C | 0% |
San Marcos Weather Tomorrow — Wednesday, 4 November 2026
| Date | Low/High | Weather | Chance of rain | Wind | Summary |
|---|---|---|---|---|---|
| 14 °/22 ° |
Fog
|
6% | 12 km/h | Wed 4 Nov WeatherLow/High14°/22° Humidity72% Pressure993 hPa Sunrise/Sunset |
San Marcos Hourly Weather Tomorrow
| Time | Weather | Weather | Temperature | Feels like | Rain | Humidity | Wind |
|---|---|---|---|---|---|---|---|
![]() | 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 45Air 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
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