San Marcos (CA)
Today
San Marcos weather today
Thursday, October 29th, 2026
21°
Overcast
Low 15°
San Marcos will experience a pleasantly warm today, reaching temperatures of up to 21 °C and cooling to about 15 °C in the evening. It'll be quite breezy in San Marcos Today with average wind speeds of 16.9 km/h. Intermittent light showers are likely, with about 0.28 mm expected.
21° / 15°
Temp
38%
Rain
17 km/h
Wind
75%
Humidity
San Marcos Weather Pages
San Marcos hourly forecast for today
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| 12:00 AM | 01:00 AM | 02:00 AM | 03:00 AM | 04:00 AM | 05:00 AM | 06:00 AM | 07:00 AM | 07:04 AM | 08:00 AM | 09:00 AM | 10:00 AM | 11:00 AM | 12:00 PM | 01:00 PM | 02:00 PM | 03:00 PM | 04:00 PM | 05:00 PM | 06:00 PM | 06:00 PM | 07:00 PM | 08:00 PM | 09:00 PM | 10:00 PM | 11:00 PM | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| weather |  | | | | |  | | |  |  | | |  | | | | | | | |  | |  | | | | Next |
| temperatures | 17° | 16.8° | 16.4° | 16.5° | 16.1° | 15.9° | 15.5° | 15.2° | Sunrise | 16.6° | 17.9° | 19.2° | 20.7° | 21.1° | 20.4° | 20.6° | 19.3° | 19.5° | 19.1° | 18.2° | Sunset | 17.8° | 18° | 17.7° | 17.7° | 17.3° | |
| wind speed | 1 km/h | 1 km/h | 3 km/h | 5 km/h | 5 km/h | 4 km/h | 5 km/h | 4 km/h | 4 km/h | 2 km/h | 3 km/h | 6 km/h | 12 km/h | 17 km/h | 13 km/h | 13 km/h | 11 km/h | 12 km/h | 12 km/h | 8 km/h | 8 km/h | 3 km/h | 3 km/h | 5 km/h | |||
| wind degree | 305° | 328° | 49° | 68° | 60° | 60° | 69° | 57° | 71° | 79° | 216° | 212° | 232° | 241° | 248° | 243° | 242° | 256° | 249° | 266° | 268° | 303° | 282° | 266° | |||
| wind direction | NW | NNW | NE | ENE | ENE | ENE | ENE | ENE | ENE | E | SW | SSW | SW | WSW | WSW | WSW | WSW | WSW | WSW | W | W | NW | WNW | W | |||
| Precipitation | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0.1 mm | 0 mm | 0 mm | 0.1 mm | 0 mm | 0 mm | 0.1 mm | 0 mm | 0 mm | 0.1 mm | |||
| chance for rain | 24% | 24% | 29% | 26% | 27% | 24% | 28% | 28% | 23% | 21% | 15% | 13% | 14% | 15% | 19% | 17% | 16% | 25% | 18% | 18% | 28% | 19% | 19% | 30% | |||
| chance for snow | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | |||
| humidity | 80% | 80% | 89% | 84% | 86% | 90% | 88% | 88% | 86% | 75% | 68% | 63% | 60% | 62% | 66% | 67% | 65% | 72% | 68% | 70% | 76% | 71% | 71% | 81% | |||
| dew point | 13.5° | 13.5° | 14.6° | 13.8° | 13.7° | 14.3° | 13.4° | 13.2° | 14.3° | 13.4° | 13.2° | 13.5° | 12.9° | 12.9° | 14.1° | 13° | 12.8° | 13.9° | 12.4° | 12.3° | 13.8° | 12.3° | 12.4° | 14° | |||
| visibility | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | |||
| cloud cover | 100% | 100% | 100% | 100% | 100% | 72% | 100% | 100% | 79% | 100% | 83% | 86% | 98% | 100% | 95% | 100% | 100% | 99% | 100% | 100% | 100% | 100% | 100% | 100% | |||
| UV | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.1 | 0.7 | 1.8 | 3 | 3.6 | 4.1 | 3.6 | 2.2 | 1.1 | 0.4 | 0 | 0 | 0 | 0 | 0 | 0 |
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Weather in San Marcos today
temperatures
21 °C
rain
0.3 mm
wind
17 km/h
UV
Moderate
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San Marcos daylight overview ☀️
Today in San Marcos, the sun rises at 07:04 and sets at 18:00, giving a total daylight duration of 10 hours and 56 minutes.
What to wear today in San Marcos? clothing recommendations
Stay comfortably stylish - your tailored guide for today's San Marcos forecast.
Long-sleeve shirt
Long pant
Closed-toe shoes
Light jacket
The weather today in San Marcos - FAQ
What is the maximum temperature for today in San Marcos?
The maximum temperature for today in San Marcos is expected to be 21° degrees. Please dress accordingly to stay comfortable throughout the day.
Will it rain today in San Marcos?
Yes, there is a 38% chance of rain in San Marcos today. We recommend carrying an umbrella or rain gear to stay dry.
What will be the wind speed today in San Marcos?
The wind in San Marcos is expected to blow at 17 km/h. This could affect outdoor activities, so plan accordingly.
How should I dress for the weather in San Marcos today?
Given the forecast of 21 °C with a 38% chance of rain, we advise checking our "What to wear today" section for recommendations. There, you will find tailored advice to help you stay comfortable and prepared for the weather conditions in San Marcos today.
What is the sunrise and sunset time for San Marcos today?
The sun is expected to rise at 07:04 and set at 18:00 in San Marcos.
How accurate is the weather forecast for San Marcos today?
San Marcos weather forecast for today is based on the most current and sophisticated meteorological models available. While we strive for accuracy, weather conditions can change unexpectedly, so we recommend checking for updates regularly.
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