San Marcos Weather Conditions
Current Temperature Level
San Marcos Weather Conditions
Current Temperature Level
Feels Like 34°C
Chances of Rain2%
31°2%11 PM30°4%12 AM28°6%1 AM28°8%2 AM27°10%3 AM
27°12%4 AM27°16%5 AM25°16%6 AM26°16%7 AM26°18%8 AM26°15%9 AM
27°20%10 AM29°7%11 AM
32°2%12 PM36°3%1 PM36°1%2 PM38°1%3 PM39°1%4 PM39°1%5 PM39°1%6 PM39°3%7 PM37°1%8 PM34°1%9 PM31°1%Skies are likely to remain clear overnight.
Last Updated: 2026-08-11 22:30 (Local Time)
156°SSE
Direction
31.3km/h
Wind Speed
Gust Speed
12.3m/s
Precipitation
Precipitation
0mm
Pressure
1016mb
UV Index
0Low
Today
31
°C
62%Wednesday
31
°C57%Thursday
31
°C58%Friday
31
°C58%Saturday
31
°C55%Sunday
31
°C58%Monday
32
°C51%Tuesday
32
°C53%Wednesday
30
°C61%Thursday
30
°C60%Sunny
Clear Sky with temperature at 31 °C and humidity will be at 62% with 31.3 km/h winds.40°C / 26°C
Humi.62 %
Prec.0.02 mm
Sunrise
06:57 AM13hrs 19min
Sunset
08:16 PMTime
Condition
Temp
Humidity
UV
Wind Speed & Dir.
12 AM
Partly Cloudy
28 °C
76 %
0
21.6 kmph / SSE
Partly Cloudy
Feels 30 °C
Cover 49 %
Visibility 10 km
1 AM
Cloudy
27 °C
80 %
0
19.1 kmph / S
CloudyFeels 31 °C
Cover 64 %
Visibility 10 km
2 AM
Overcast
27 °C
82 %
0
18.7 kmph / S
OvercastFeels 30 °C
Cover 89 %
Visibility 10 km
3 AM
Overcast
27 °C
86 %
0
16.6 kmph / S
OvercastFeels 30 °C
Cover 100 %
Visibility 10 km
4 AM
Patchy rain nearby
27 °C
85 %
0
10.4 kmph / S
Patchy rain nearbyFeels 30 °C
Cover 77 %
Visibility 10 km
5 AM
Clear
26 °C
87 %
0
11.9 kmph / S
ClearFeels 29 °C
Cover 2 %
Visibility 10 km
6 AM
Clear
26 °C
89 %
0
11.9 kmph / S
ClearFeels 29 °C
Cover 1 %
Visibility 10 km
7 AM
Sunny
26 °C
89 %
0
10.8 kmph / S
SunnyFeels 29 °C
Cover 7 %
Visibility 10 km
8 AM
Sunny
26 °C
86 %
0.4
13 kmph / S
SunnyFeels 29 °C
Cover 7 %
Visibility 10 km
9 AM
Sunny
28 °C
78 %
1.6
19.1 kmph / S
SunnyFeels 32 °C
Cover 16 %
Visibility 10 km
10 AM
Sunny
30 °C
68 %
3.8
22 kmph / S
SunnyFeels 34 °C
Cover 22 %
Visibility 10 km
11 AM
Sunny
33 °C
59 %
6.7
22.7 kmph / S
SunnyFeels 38 °C
Cover 23 %
Visibility 10 km
12 PM
Sunny
34 °C
52 %
9.3
21.6 kmph / S
SunnyFeels 39 °C
Cover 25 %
Visibility 10 km
1 PM
Sunny
37 °C
48 %
11
20.5 kmph / S
SunnyFeels 45 °C
Cover 9 %
Visibility 10 km
2 PM
Sunny
36 °C
43 %
11.1
20.9 kmph / S
SunnyFeels 41 °C
Cover 15 %
Visibility 10 km
3 PM
Sunny
37 °C
39 %
9.5
21.6 kmph / S
SunnyFeels 37 °C
Cover 16 %
Visibility 10 km
4 PM
Sunny
40 °C
34 %
6.8
21.2 kmph / S
SunnyFeels 40 °C
Cover 5 %
Visibility 10 km
5 PM
Partly Cloudy
38 °C
35 %
4
19.4 kmph / S
Partly CloudyFeels 37 °C
Cover 25 %
Visibility 10 km
6 PM
Sunny
37 °C
35 %
1.7
20.5 kmph / S
SunnyFeels 36 °C
Cover 20 %
Visibility 10 km
7 PM
Sunny
37 °C
32 %
0.4
23.4 kmph / S
SunnyFeels 35 °C
Cover 2 %
Visibility 10 km
8 PM
Sunny
34 °C
42 %
0
25.9 kmph / SSE
SunnyFeels 36 °C
Cover 0 %
Visibility 10 km
9 PM
Clear
32 °C
53 %
0
30.6 kmph / SSE
ClearFeels 36 °C
Cover 0 %
Visibility 10 km
10 PM
Clear
31 °C
59 %
0
31.3 kmph / SSE
ClearFeels 34 °C
Cover 0 %
Visibility 16.1 km
11 PM
Clear
30 °C
65 %
0
27.7 kmph / SSE
ClearFeels 33 °C
Cover 0 %
Visibility 10 km
39°25°40°24°40°23°40°26°39°25°40°26°39°26°39°23°37°24°38°25°40°26°40°24°40°24°40°24°40°24°39°23°39°24°40°24°36°24°36°24°36°24°36°24°36°24°36°24°35°24°34°24°35°24°35°24°35°24°35°24°35°24°AugustWeather Overview
No. of days:
Sunny
18
Cloudy
0
Rainy
13
Snowy
0
The monthly weather averages in San Marcos consist of 18 sunny days, 0 cloudy days, 13 rainy days, and 0 snowy days.
San Marcos's Locations Weather Conditions
United States's Hottest Cities - August 2026
1.
Park Village, California
40 °C
Clear
18%
0
10.8 kmph / S
2.
Blythe, California
38 °C
Clear
29%
0
32.8 kmph / SW
3.
Westmorland, California
37 °C
Clear
35%
0
11.9 kmph / SSW
4.
Brawley, California
37 °C
Clear
35%
0
11.9 kmph / SSW
5.
Parlier, California
37 °C
Cloudy
17%
0
4 kmph / W
6.
Tolleson, Arizona
37 °C
Partly Cloudy
29%
0
18.4 kmph / W
7.
El Centro, California
37 °C
Clear
35%
0
10.8 kmph / SW
8.
Guadalupe, Arizona
37 °C
Partly Cloudy
29%
0
18.4 kmph / W
9.
Clovis, California
37 °C
Cloudy
17%
0
17.3 kmph / NW
10.
Phoenix, Arizona
37 °C
Clear
27%
0
18.4 kmph / W
Last Updated: 12 Aug 2026, 03:51 AM
City Weather RankingsFAQs About San Marcos Weather Conditions
1. What is the current temperature in San Marcos today - 11 August 2026?
1. What is the current temperature in San Marcos today - 11 August 2026?
The current temperature in San Marcos is 31°C, with a feels-like temperature of 34°C. Today's forecast shows a high of 40°C and a low of 26°C, giving a 14 degree swing through the day as of 10:30 PM 11 August 2026.
2. What are the current weather parameters in San Marcos today?
2. What are the current weather parameters in San Marcos today?
Here is a complete overview of San Marcos's current weather conditions as of 10:30 PM 11 August 2026: Condition : Clear Temperature : 31°C Hot (Feels like 34°C) Humidity : 59% Wind Speed : 31.3 km/h from SSE (156 degrees), Gust 12.3 m/s UV Index : 0 (Low Air Pressure : 1016 mb Cloud Cover : 0% Visibility : 16.1 km Precipitation : 0 mm (6% chance of rain)
3. What is the 10-day weather forecast for San Marcos from 10:30 PM 11 August 2026?
3. What is the 10-day weather forecast for San Marcos from 10:30 PM 11 August 2026?
From 10:30 PM 11 August 2026, San Marcos's 10-day forecast shows this trend: Today (Aug. 11) : Temp. 31°C, Hum. 62% and Sunny condition. Wednesday (Aug. 12) : Temp. 31°C, Hum. 57% and Sunny condition. Thursday (Aug. 13) : Temp. 31°C, Hum. 58% and Sunny condition. Friday (Aug. 14) : Temp. 31°C, Hum. 58% and Sunny condition. Saturday (Aug. 15) : Temp. 31°C, Hum. 55% and Sunny condition. Sunday (Aug. 16) : Temp. 31°C, Hum. 58% and Sunny condition. Monday (Aug. 17) : Temp. 32°C, Hum. 51% and Sunny condition. Tuesday (Aug. 18) : Temp. 32°C, Hum. 53% and Sunny condition. Wednesday (Aug. 19) : Temp. 30°C, Hum. 61% and Rain Showers condition. Thursday (Aug. 20) : Temp. 30°C, Hum. 60% and Rain Showers condition.
4. Will it rain in San Marcos today?
4. Will it rain in San Marcos today?
As of 10:30 PM 11 August 2026, there is a 4% chance of rainfall in San Marcos later today around 2026-08-11 23:00. Current precipitation is 0 mm. Residents are advised to carry an umbrella before heading out.
5. What is the monthly weather forecast for San Marcos in August 2026?
5. What is the monthly weather forecast for San Marcos in August 2026?
August 2026 in San Marcos is forecast to have 18 sunny days, 13 rainy days, 0 cloudy days, and 0 snowy days. Temperatures for the month range from lows around 23°C to highs of 40°C.
6. How does the weather in San Marcos affect air quality?
6. How does the weather in San Marcos affect air quality?
Weather directly impacts air quality in San Marcos. Calm winds, high humidity, fog, and high pressure trap pollutants near the ground, worsening AQI. Strong winds, rainfall, and low pressure help disperse them. Rising temperatures and UV levels intensify ozone and smog formation, while poor visibility signals elevated particulate matter. Monitoring weather alongside AQI gives the clearest picture of outdoor safety.
