San Marcos Weather Conditions
Current Temperature Level
San Marcos Weather Conditions
Current Temperature Level
Feels Like 44°C
Chances of Rain3%
36°3%1 PM38°2%2 PM39°1%3 PM38°2%4 PM40°1%5 PM39°1%6 PM38°1%7 PM37°1%8 PM34°1%9 PM
32°2%10 PM30°3%11 PM29°4%12 AM27°6%1 AM26°7%2 AM26°8%3 AM25°8%4 AM25°11%5 AM
25°14%6 AM24°17%7 AM
24°22%8 AM25°22%9 AM27°10%10 AM30°4%11 AM33°1%It is likely to be sunny; sun protection may help.
Last Updated: 2026-08-12 12:30 (Local Time)
183°S
Direction
22km/h
Wind Speed
Gust Speed
7.02m/s
Precipitation
Precipitation
0mm
Pressure
1015mb
UV Index
9.3Very High
Today
32
°C
61%Thursday
31
°C57%Friday
30
°C62%Saturday
31
°C57%Sunday
30
°C54%Monday
31
°C54%Tuesday
32
°C53%Wednesday
32
°C49%Thursday
30
°C60%Friday
30
°C61%Sunny
Clear Sky with temperature at 32 °C and humidity will be at 61% with 34.6 km/h winds.40°C / 26°C
Humi.61 %
Prec.0.01 mm
Sunrise
06:57 AM13hrs 18min
Sunset
08:15 PMTime
Condition
Temp
Humidity
UV
Wind Speed & Dir.
12 AM
Clear
29 °C
69 %
0
23.4 kmph / SSE
Clear
Feels 32 °C
Cover 0 %
Visibility 10 km
1 AM
Clear
28 °C
74 %
0
20.2 kmph / S
ClearFeels 31 °C
Cover 0 %
Visibility 10 km
2 AM
Clear
27 °C
74 %
0
18.7 kmph / S
ClearFeels 30 °C
Cover 12 %
Visibility 10 km
3 AM
Partly Cloudy
27 °C
74 %
0
16.9 kmph / S
Partly CloudyFeels 29 °C
Cover 55 %
Visibility 10 km
4 AM
Partly Cloudy
27 °C
77 %
0
14.8 kmph / S
Partly CloudyFeels 30 °C
Cover 62 %
Visibility 10 km
5 AM
Partly Cloudy
27 °C
83 %
0
12.2 kmph / S
Partly CloudyFeels 30 °C
Cover 42 %
Visibility 10 km
6 AM
Clear
27 °C
87 %
0
11.2 kmph / S
ClearFeels 29 °C
Cover 19 %
Visibility 10 km
7 AM
Overcast
26 °C
87 %
0
10.8 kmph / SSE
OvercastFeels 29 °C
Cover 91 %
Visibility 2 km
8 AM
Sunny
27 °C
82 %
0.4
13.3 kmph / S
SunnyFeels 30 °C
Cover 14 %
Visibility 10 km
9 AM
Partly Cloudy
28 °C
76 %
1.6
20.2 kmph / S
Partly CloudyFeels 32 °C
Cover 55 %
Visibility 10 km
10 AM
Partly Cloudy
30 °C
69 %
3.8
20.9 kmph / S
Partly CloudyFeels 35 °C
Cover 34 %
Visibility 10 km
11 AM
Partly Cloudy
33 °C
61 %
6.6
20.5 kmph / S
Partly CloudyFeels 39 °C
Cover 25 %
Visibility 10 km
12 PM
Sunny
36 °C
55 %
9.3
22 kmph / S
SunnyFeels 44 °C
Cover 12 %
Visibility 10 km
1 PM
Sunny
38 °C
48 %
10.9
22 kmph / S
SunnyFeels 46 °C
Cover 3 %
Visibility 10 km
2 PM
Sunny
39 °C
42 %
11
22 kmph / S
SunnyFeels 47 °C
Cover 4 %
Visibility 10 km
3 PM
Sunny
38 °C
39 %
9.5
21.6 kmph / S
SunnyFeels 38 °C
Cover 18 %
Visibility 10 km
4 PM
Sunny
40 °C
36 %
6.8
21.6 kmph / S
SunnyFeels 40 °C
Cover 1 %
Visibility 10 km
5 PM
Sunny
39 °C
34 %
3.9
21.6 kmph / S
SunnyFeels 39 °C
Cover 8 %
Visibility 10 km
6 PM
Sunny
38 °C
34 %
1.7
22.7 kmph / S
SunnyFeels 38 °C
Cover 11 %
Visibility 10 km
7 PM
Sunny
37 °C
36 %
0.5
30.6 kmph / SSE
SunnyFeels 34 °C
Cover 8 %
Visibility 10 km
8 PM
Sunny
34 °C
44 %
0
34.2 kmph / SSE
SunnyFeels 36 °C
Cover 0 %
Visibility 10 km
9 PM
Clear
32 °C
50 %
0
34.6 kmph / SSE
ClearFeels 34 °C
Cover 0 %
Visibility 10 km
10 PM
Clear
30 °C
58 %
0
31 kmph / SSE
ClearFeels 32 °C
Cover 0 %
Visibility 10 km
11 PM
Clear
29 °C
65 %
0
27 kmph / SSE
ClearFeels 31 °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°26°40°24°39°24°40°24°40°23°39°24°40°24°40°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
19
Cloudy
0
Rainy
12
Snowy
0
The monthly weather averages in San Marcos consist of 19 sunny days, 0 cloudy days, 12 rainy days, and 0 snowy days.
San Marcos's Locations Weather Conditions
United States's Hottest Cities - August 2026
1.
Skiatook, Oklahoma
41 °C
Sunny
35%
7.7
23 kmph / SSW
2.
Tulsa, Oklahoma
41 °C
Sunny
35%
7.8
21.6 kmph / SSW
3.
Glenpool, Oklahoma
41 °C
Sunny
35%
7.8
22.7 kmph / SSW
4.
Wichita, Kansas
40 °C
Sunny
31%
7.1
24.1 kmph / SSW
5.
Ponca City, Oklahoma
40 °C
Sunny
33%
7.5
24.8 kmph / SW
6.
Sedgwick, Kansas
40 °C
Sunny
32%
7
25.6 kmph / SSW
7.
East St. Louis, Illinois
40 °C
Sunny
41%
6.1
15.1 kmph / WSW
8.
East St Louis, Illinois
40 °C
Sunny
41%
6.1
15.1 kmph / WSW
9.
Granite City, Illinois
40 °C
Sunny
42%
6.5
15.1 kmph / WSW
10.
St Louis, Missouri
40 °C
Sunny
42%
6.5
15.1 kmph / WSW
Last Updated: 12 Aug 2026, 05:59 PM
City Weather RankingsFAQs About San Marcos Weather Conditions
1. What is the current temperature in San Marcos today - 12 August 2026?
1. What is the current temperature in San Marcos today - 12 August 2026?
The current temperature in San Marcos is 36°C, with a feels-like temperature of 44°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 12:30 PM 12 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 12:30 PM 12 August 2026: Condition : Sunny Temperature : 36°C Hot (Feels like 44°C) Humidity : 55% Wind Speed : 22 km/h from S (183 degrees), Gust 7 m/s UV Index : 9.3 (Very High Air Pressure : 1015 mb Cloud Cover : 12% Visibility : 10 km Precipitation : 0 mm (4% chance of rain)
3. What is the 10-day weather forecast for San Marcos from 12:30 PM 12 August 2026?
3. What is the 10-day weather forecast for San Marcos from 12:30 PM 12 August 2026?
From 12:30 PM 12 August 2026, San Marcos's 10-day forecast shows this trend: Today (Aug. 12) : Temp. 32°C, Hum. 61% and Sunny condition. Thursday (Aug. 13) : Temp. 31°C, Hum. 57% and Sunny condition. Friday (Aug. 14) : Temp. 30°C, Hum. 62% and Partly Cloudy condition. Saturday (Aug. 15) : Temp. 31°C, Hum. 57% and Partly Cloudy condition. Sunday (Aug. 16) : Temp. 30°C, Hum. 54% and Sunny condition. Monday (Aug. 17) : Temp. 31°C, Hum. 54% and Sunny condition. Tuesday (Aug. 18) : Temp. 32°C, Hum. 53% and Sunny condition. Wednesday (Aug. 19) : Temp. 32°C, Hum. 49% and Sunny condition. Thursday (Aug. 20) : Temp. 30°C, Hum. 60% and Rain Showers condition. Friday (Aug. 21) : Temp. 30°C, Hum. 61% and Rain Showers condition.
4. Will it rain in San Marcos today?
4. Will it rain in San Marcos today?
As of 12:30 PM 12 August 2026, there is a 2% chance of rainfall in San Marcos later today around 2026-08-12 13:00. 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 19 sunny days, 12 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.
