San Marcos Weather Conditions
Current Temperature Level
30 °C
40 AQI
Air quality index is: Good
Last Updated: 2025-08-12 23:15 (Local Time)
MapSan Marcos
San Marcos Weather Parameters
13 km/h
6 m/s
354° N
75 %
16 km
0 mm
1015 mb
UV Index0
Suggestions for
WednesdaySan Marcos13 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
31°C
64 %Thursday
31°C66 %Friday
30°C66 %Saturday
30°C63 %Sunday
30°C60 %Monday
31°C56 %Tuesday
29°C62 %Wednesday
29°C64 %Thursday
27°C68 %Friday
30°C57 %Partly Cloudy
Periodic cloud cover with temperature at 31 °C. Humidity will be at 64%, and winds will be at 17.6 km/h.37°C / 24°C
Humi.64 %
Prec.0 mm
Sunrise
06:58 AM13hrs 16min
Sunset
08:14 PMTime
Condition
Temp
Humidity
UV
Wind Speed & Dir.
12 AM
Overcast
27 °C
81 %
0
16.6 kmph / N
Overcast 
Feels 31.1 °C
Cover 90 %
Visibility 9 km
1 AM
Cloudy
27 °C
83 %
0
4.3 kmph / NNW
Cloudy Feels 30.2 °C
Cover 70 %
Visibility 10 km
2 AM
Partly Cloudy
26 °C
84 %
0
3.2 kmph / WSW
Partly Cloudy Feels 29.1 °C
Cover 44 %
Visibility 10 km
3 AM
Clear
25 °C
86 %
0
7.9 kmph / WSW
Clear Feels 28.1 °C
Cover 20 %
Visibility 10 km
4 AM
Clear
25 °C
87 %
0
8.6 kmph / WSW
Clear Feels 27.4 °C
Cover 3 %
Visibility 10 km
5 AM
Clear
25 °C
89 %
0
8.3 kmph / WSW
Clear Feels 26.9 °C
Cover 3 %
Visibility 10 km
6 AM
Clear
24 °C
88 %
0
9.4 kmph / SSW
Clear Feels 26.6 °C
Cover 0 %
Visibility 10 km
7 AM
Sunny
25 °C
89 %
0
7.6 kmph / SSW
SunnyFeels 27.3 °C
Cover 1 %
Visibility 10 km
8 AM
Sunny
27 °C
85 %
0.4
6.8 kmph / SW
SunnyFeels 29.3 °C
Cover 0 %
Visibility 10 km
9 AM
Sunny
28 °C
71 %
1.6
7.9 kmph / WSW
SunnyFeels 31.5 °C
Cover 0 %
Visibility 10 km
10 AM
Sunny
32 °C
61 %
3.8
5.4 kmph / WNW
SunnyFeels 37.2 °C
Cover 9 %
Visibility 10 km
11 AM
Sunny
35 °C
51 %
6.7
2.2 kmph / W
SunnyFeels 41.4 °C
Cover 0 %
Visibility 10 km
12 PM
Sunny
35 °C
47 %
9.4
3.6 kmph / S
SunnyFeels 41.3 °C
Cover 12 %
Visibility 10 km
1 PM
Thundery outbreaks in nearby
36 °C
44 %
11
4.3 kmph / SSE
Thundery outbreaks in nearbyFeels 41.1 °C
Cover 69 %
Visibility 10 km
2 PM
Thundery outbreaks in nearby
36 °C
43 %
10.4
7.2 kmph / SE
Thundery outbreaks in nearbyFeels 41 °C
Cover 83 %
Visibility 10 km
3 PM
Thundery outbreaks in nearby
36 °C
43 %
8.6
7.2 kmph / ESE
Thundery outbreaks in nearbyFeels 40.8 °C
Cover 89 %
Visibility 5 km
4 PM
Thundery outbreaks in nearby
36 °C
42 %
5.4
5.8 kmph / ESE
Thundery outbreaks in nearbyFeels 40.3 °C
Cover 96 %
Visibility 10 km
5 PM
Thundery outbreaks in nearby
35 °C
43 %
3
4.3 kmph / N
Thundery outbreaks in nearbyFeels 39.8 °C
Cover 88 %
Visibility 9 km
6 PM
Thundery outbreaks in nearby
35 °C
44 %
1.3
11.2 kmph / N
Thundery outbreaks in nearbyFeels 39.3 °C
Cover 84 %
Visibility 9 km
7 PM
Thundery outbreaks in nearby
34 °C
45 %
0.3
9.7 kmph / NNW
Thundery outbreaks in nearbyFeels 37.9 °C
Cover 80 %
Visibility 10 km
8 PM
Thundery outbreaks in nearby
33 °C
51 %
0
1.1 kmph / SSE
Thundery outbreaks in nearbyFeels 36.6 °C
Cover 62 %
Visibility 10 km
9 PM
Thundery outbreaks in nearby
32 °C
54 %
0
9.4 kmph / SE
Thundery outbreaks in nearbyFeels 35.4 °C
Cover 53 %
Visibility 10 km
10 PM
Thundery outbreaks in nearby
30 °C
57 %
0
15.8 kmph / SE
Thundery outbreaks in nearbyFeels 32.5 °C
Cover 44 %
Visibility 10 km
11 PM
Clear
29 °C
63 %
0
17.6 kmph / S
Clear Feels 31.9 °C
Cover 10 %
Visibility 10 km
Today
31°C64 %Thursday
31°C66 %Friday
30°C66 %Saturday
30°C63 %Sunday
30°C60 %Monday
31°C56 %Tuesday
29°C62 %Wednesday
29°C64 %Thursday
27°C68 %Friday
30°C57 %Temp27 °C
ConditionOvercast
Humidity81 %
Feels31.1 °C
Cover90 %
Visibility9 km
Wind Speed & Dir.16.6 kmph / N
UV0
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
12Today
38°24 °C
13Wed.
39°25 °C
14Thu.
39°24 °C
15Fri.
28°24 °C
16Sat.
39°24 °C
17Sun.
39°23 °C
18Mon.
39°24 °C
19Tue.
40°25 °C
20Wed.
40°25 °C
21Thu.
38°25 °C
22Fri.
38°24 °C
23Sat.
38°25 °C
24Sun.
38°24 °C
25Mon.
38°23 °C
26Tue.
35°24 °C
27Wed.
35°24 °C
28Thu.
35°24 °C
29Fri.
35°24 °C
30Sat.
35°24 °C
31Sun.
35°24 °C
AugustWeather Overview
No. of days:
Sunny
16
Cloudy
4
Rainy
11
Snowy
0
The monthly weather averages in San Marcos consist of 16 sunny days, 4 cloudy days, 11 rainy days, and 0 snowy days.
San Marcos's Locations Weather Conditions
United States's Hottest Cities - August 2025
1.
Tolleson, United States
Partly cloudy
14%
0
10.1 kmph / NNE
2.
Guadalupe, United States
Partly cloudy
14%
0
10.1 kmph / NNE
3.
Summerlin South, United States
Clear
8%
0
18 kmph / WSW
4.
Spring Valley, United States
Clear
8%
0
18 kmph / WSW
5.
Tempe, United States
Clear
16%
0
18.7 kmph / NNE
6.
Phoenix, United States
Thundery outbreaks in nearby
16%
0
10.1 kmph / NNE
7.
Las Vegas, United States
Clear
9%
0
18 kmph / WSW
8.
Surprise, United States
Partly Cloudy
16%
0
6.1 kmph / SSE
9.
Sun City, United States
Partly Cloudy
16%
0
6.1 kmph / SSE
10.
Scottsdale, United States
Clear
17%
0
29.2 kmph / NE
Last Updated: 13 Aug 2025, 04:21 AM
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