San Marcos Weather Conditions
Current Temperature Level
34 °C
52 AQI
Air quality index is: Moderate
Last Updated: 2025-08-26 16:15 (Local Time)
MapSan Marcos
San Marcos Weather Parameters
20 km/h
6 m/s
137° SE
75 %
16 km
0 mm
1018 mb
UV Index6
Suggestions for
TodaySan Marcos26 Aug.
Heat Stroke• Avoid Outdoor 
Clothing• Breathable
Driving• Enjoy Driving
Sunscreen• ApplyTrending in United States
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San Marcos 10-Days Weather Forecast
Today
29°C
67 %Wednesday
30°C69 %Thursday
31°C61 %Friday
31°C58 %Saturday
29°C62 %Sunday
27°C73 %Monday
29°C56 %Tuesday
30°C52 %Wednesday
30°C51 %Thursday
29°C61 %Patchy rain nearby
Occasional light rain is expected and humidity will be 67%, with winds at 27 km/h.39°C / 23°C
Humi.67 %
Prec.2.56 mm
Sunrise
07:06 AM12hrs 55min
Sunset
08:01 PMTime
Condition
Temp
Humidity
UV
Wind Speed & Dir.
12 AM
Clear
27 °C
68 %
0
11.9 kmph / SSE
Clear 
Feels 28.9 °C
Cover 0 %
Visibility 10 km
1 AM
Clear
26 °C
75 %
0
9.7 kmph / SSE
Clear Feels 27.8 °C
Cover 0 %
Visibility 10 km
2 AM
Clear
25 °C
81 %
0
7.9 kmph / S
Clear Feels 26.9 °C
Cover 0 %
Visibility 10 km
3 AM
Clear
25 °C
85 %
0
6.5 kmph / SSW
Clear Feels 26.6 °C
Cover 0 %
Visibility 10 km
4 AM
Clear
24 °C
83 %
0
5 kmph / SW
Clear Feels 26.3 °C
Cover 0 %
Visibility 10 km
5 AM
Clear
24 °C
84 %
0
2.9 kmph / SW
Clear Feels 26 °C
Cover 0 %
Visibility 10 km
6 AM
Clear
24 °C
86 %
0
1.1 kmph / SSE
Clear Feels 25.7 °C
Cover 0 %
Visibility 10 km
7 AM
Partly Cloudy
24 °C
89 %
0
3.2 kmph / ESE
Partly Cloudy Feels 26.2 °C
Cover 29 %
Visibility 10 km
8 AM
Cloudy
25 °C
82 %
0.3
4.7 kmph / E
Cloudy Feels 27.7 °C
Cover 74 %
Visibility 10 km
9 AM
Cloudy
27 °C
82 %
1.3
7.6 kmph / E
Cloudy Feels 29.7 °C
Cover 87 %
Visibility 10 km
10 AM
Partly Cloudy
30 °C
76 %
3.4
9.7 kmph / E
Partly Cloudy Feels 35.5 °C
Cover 36 %
Visibility 10 km
11 AM
Sunny
32 °C
60 %
6.1
10.8 kmph / ESE
SunnyFeels 36.6 °C
Cover 0 %
Visibility 10 km
12 PM
Sunny
34 °C
50 %
8.7
11.2 kmph / ESE
SunnyFeels 40.1 °C
Cover 19 %
Visibility 10 km
1 PM
Sunny
36 °C
45 %
10.3
10.8 kmph / ESE
SunnyFeels 42.6 °C
Cover 2 %
Visibility 10 km
2 PM
Sunny
38 °C
41 %
10.3
11.2 kmph / ESE
SunnyFeels 44.3 °C
Cover 0 %
Visibility 10 km
3 PM
Sunny
37 °C
40 %
8.8
13.3 kmph / ESE
SunnyFeels 42.3 °C
Cover 14 %
Visibility 10 km
4 PM
Partly cloudy
34 °C
41 %
6.3
19.8 kmph / SE
Partly cloudyFeels 40.2 °C
Cover 75 %
Visibility 16 km
5 PM
Cloudy
34 °C
47 %
3.5
27 kmph / SSE
Cloudy Feels 38.4 °C
Cover 86 %
Visibility 10 km
6 PM
Cloudy
33 °C
54 %
1.3
25.6 kmph / SSE
Cloudy Feels 36.8 °C
Cover 69 %
Visibility 10 km
7 PM
Moderate or heavy rain shower
31 °C
57 %
0.2
23 kmph / SSE
Moderate or heavy rain showerFeels 35.2 °C
Cover 75 %
Visibility 10 km
8 PM
Partly Cloudy
30 °C
62 %
0
19.4 kmph / SSE
Partly Cloudy Feels 33.8 °C
Cover 58 %
Visibility 10 km
9 PM
Partly Cloudy
29 °C
67 %
0
15.5 kmph / SSE
Partly Cloudy Feels 32.8 °C
Cover 42 %
Visibility 10 km
10 PM
Partly Cloudy
28 °C
71 %
0
15.1 kmph / SSE
Partly Cloudy Feels 31.7 °C
Cover 28 %
Visibility 10 km
11 PM
Clear
27 °C
77 %
0
13.7 kmph / SSE
Clear Feels 30.5 °C
Cover 13 %
Visibility 10 km
Today
29°C67 %Wednesday
30°C69 %Thursday
31°C61 %Friday
31°C58 %Saturday
29°C62 %Sunday
27°C73 %Monday
29°C56 %Tuesday
30°C52 %Wednesday
30°C51 %Thursday
29°C61 %Temp34 °C
ConditionCloudy
Humidity47 %
Feels38.4 °C
Cover86 %
Visibility10 km
Wind Speed & Dir.27 kmph / SSE
UV3.5
San Marcos 30-Days (August 2025) Weather Forecast
Sun.
Mon.
Tue.
Wed.
Thu.
Fri.
Sat.
1Fri.
41°24 °C
2Sat.
41°24 °C
3Sun.
39°23 °C
4Mon.
37°25 °C
5Tue.
39°22 °C
6Wed.
39°23 °C
7Thu.
40°25 °C
8Fri.
40°23 °C
9Sat.
40°24 °C
10Sun.
40°25 °C
11Mon.
37°23 °C
12Tue.
39°25 °C
13Wed.
37°24 °C
14Thu.
41°24 °C
15Fri.
36°25 °C
16Sat.
36°24 °C
17Sun.
40°24 °C
18Mon.
41°25 °C
19Tue.
39°23 °C
20Wed.
41°23 °C
21Thu.
33°24 °C
22Fri.
35°22 °C
23Sat.
38°23 °C
24Sun.
39°22 °C
25Mon.
39°24 °C
26Today
38°23 °C
27Wed.
36°25 °C
28Thu.
40°24 °C
29Fri.
39°24 °C
30Sat.
35°25 °C
31Sun.
31°24 °C
AugustWeather Overview
No. of days:
Sunny
16
Cloudy
6
Rainy
6
Snowy
0
The monthly weather averages in San Marcos consist of 16 sunny days, 6 cloudy days, 6 rainy days, and 0 snowy days.
San Marcos's Locations Weather Conditions
United States's Hottest Cities - August 2025
1.
Yuma, United States
Sunny
38%
9.9
3.6 kmph / SSE
2.
Laredo, United States
Partly cloudy
37%
9.5
17.6 kmph / SE
3.
Mission, United States
Sunny
42%
9.3
17.3 kmph / SSE
4.
Edinburg, United States
Cloudy
42%
9.2
18 kmph / SSE
5.
Mayfair, United States
Sunny
27%
8.8
5.4 kmph / WNW
6.
Woodlake, United States
Sunny
27%
8.4
12.2 kmph / WSW
7.
Parlier, United States
Sunny
27%
8.8
8.6 kmph / WSW
8.
Fresno, United States
Sunny
27%
8.8
5.4 kmph / WNW
9.
Porterville, United States
Sunny
27%
9
11.2 kmph / NW
10.
Visalia, United States
Sunny
27%
8.9
9 kmph / W
Last Updated: 26 Aug 2025, 09:26 PM
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