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WeatherLive › Texas › San Marcos

San Marcos, TX Weather (78666)

Today Hourly 10-Day Weekend Monthly Radar Air Quality Climate
Current WeatherSan Marcos · 8:17 AM CDT
86° | 59°
59°F
Feels like 58°
Fog
WindSE 4 mph · Gusts 5 mph
Precip6% · –
Humidity94% · Dew point 57°
UV index7 High
Air Quality66 Moderate
Pressure30.15 inHg
Visibility1 mi
Sunrise / Sunset7:39 AM · 6:52 PM · 11h 13m

Weather map — San Marcos

Full radar →
Now
59°
19%
4 mph
09:00
66°
11%
7 mph
10:00
72°
8%
7 mph
11:00
76°
4%
13 mph
12:00
79°
8%
13 mph
13:00
82°
5%
11 mph
14:00
84°
1%
14 mph
15:00
86°
1%
13 mph
16:00
85°
3%
11 mph
17:00
86°
1%
16 mph
18:00
84°
6%
16 mph
19:00
78°
6%
11 mph
20:00
76°
6%
14 mph
21:00
72°
8%
13 mph
22:00
72°
5%
11 mph
23:00
68°
19%
12 mph
00:00
67°
15%
11 mph
01:00
67°
14%
7 mph
02:00
64°
27%
9 mph
03:00
62°
30%
6 mph
04:00
64°
19%
5 mph
05:00
60°
31%
4 mph
06:00
60°
31%
4 mph
07:00
62°
31%
5 mph

Today · Sat 10/24

High 86°
6% / –

Sunny. Winds SE at 16 mph.

Tonight · Sat 10/24

Low 60°
8% / –

Partly cloudy. Winds SE at 13 mph.

Tomorrow · Sun 10/25

81° | 60°
14% / –

Mostly cloudy. Winds SE at 14 mph.

7-day trend

San Marcos · temperature + precipitation

10-day forecast

Updated 8:17 AM

Details & indices

Wind
4 mph SE
Gusts 5 mph
Humidity
94%
Dew point 57°
Pressure
30.15 inHg
Rising
UV index
7 — High
High today
Air Quality
Moderate
AQI 66 · US EPA
Allergy
None detected
—
Visibility
1 mi
Reduced
Allergy — San Marcos

🌿 Conditions right now

View all →
Birch
None
Grass
None
Oak
None
Alder
None
Hazel
None
Mugwort
None
Ragweed
None

Sun & moon

Sunrise7:39 AM
Sunset6:52 PM
Length of day11h 13m
Moonrise5:47 PM
Moonset6:00 AM
Moon phase🌕 Full Moon · 97%
Next full moonOct 25 Hunter's Moon
Latitude29.8833°N
Longitude-97.9414°E

Water temps nearby

View all →
No beaches within 50 miles
🌤️No rain expected in the next 90 minutes
Now+30+60+90 min
Minute-by-minute precip · HRRR nowcast

Daily planner

computed from today's forecast
Laundry day
Great
Line-drying weather
Grilling
Great
Fire up the grill
Running
Fair
Lace up outside
Patio
Great
Dinner outdoors
Nearby places in Texas
Houston
Sunny
67°
San Antonio
Mostly cloudy
65°
Dallas
Sunny
62°
Fort Worth
Sunny
63°
Austin
Sunny
62°
El Paso
Partly cloudy
62°
NBM + global weather models
Updated: 8:17 AM
San Marcos, TX · Elev 617 ft · 29.88°N, 97.94°W · Texas · Forecast computed for these exact coordinates
Powered by NWS/NOAA guidance, multi-model forecasts and official environmental feeds · NOAA/NWS · EPA AirNow · MET Norway · global models
Updated: 8:17 AM