San Marcos, TX

Right Now
75°
Clear
  • Humidity: 90%
  • Feels Like: 75°
  • Heat Index: 75°
  • Wind: 1 mph
  • Wind Chill: 75°
  • UV Index: 0 Low
  • Sunrise: 06:30:44 AM
  • Sunset: 08:31:39 PM
  • Dew Point: 72°
  • Visibility: 10 mi

Today

Mainly clear skies. Low 68F. Winds light and variable.

Tonight

Mainly clear skies. Low 68F. Winds light and variable.

Tomorrow

Generally sunny despite a few afternoon clouds. High 98F. Winds SSW at 5 to 10 mph.

Next 12 Hours

Time
Temp
Precip
11 PM
74°
3%
11 PM
74°

Wind: SE @ 0 mph

Precip: 3% Chance

Humidity: 91%

Wind Chill: 74°

Heat Index: 74°

UV Index: 0 Low

Visibility: 10 mi

12 AM
73°
3%
12 AM
73°

Wind: SSE @ 1 mph

Precip: 3% Chance

Humidity: 94%

Wind Chill: 73°

Heat Index: 73°

UV Index: 0 Low

Visibility: 10 mi

1 AM
72°
2%
1 AM
72°

Wind: SSW @ 3 mph

Precip: 2% Chance

Humidity: 94%

Wind Chill: 72°

Heat Index: 72°

UV Index: 0 Low

Visibility: 10 mi

2 AM
71°
2%
2 AM
71°

Wind: SW @ 3 mph

Precip: 2% Chance

Humidity: 93%

Wind Chill: 71°

Heat Index: 71°

UV Index: 0 Low

Visibility: 8 mi

3 AM
70°
3%
3 AM
70°

Wind: WSW @ 3 mph

Precip: 3% Chance

Humidity: 94%

Wind Chill: 70°

Heat Index: 70°

UV Index: 0 Low

Visibility: 7 mi

4 AM
70°
3%
4 AM
70°

Wind: WSW @ 4 mph

Precip: 3% Chance

Humidity: 94%

Wind Chill: 70°

Heat Index: 70°

UV Index: 0 Low

Visibility: 6 mi

5 AM
69°
5%
5 AM
69°

Wind: WSW @ 4 mph

Precip: 5% Chance

Humidity: 97%

Wind Chill: 69°

Heat Index: 69°

UV Index: 0 Low

Visibility: 6 mi

6 AM
69°
8%
6 AM
69°

Wind: WSW @ 4 mph

Precip: 8% Chance

Humidity: 96%

Wind Chill: 69°

Heat Index: 71°

UV Index: 0 Low

Visibility: 6 mi

7 AM
69°
8%
7 AM
69°

Wind: WSW @ 3 mph

Precip: 8% Chance

Humidity: 97%

Wind Chill: 69°

Heat Index: 71°

UV Index: 0 Low

Visibility: 6 mi

8 AM
74°
6%
8 AM
74°

Wind: SW @ 3 mph

Precip: 6% Chance

Humidity: 89%

Wind Chill: 74°

Heat Index: 76°

UV Index: 1 Low

Visibility: 9 mi

9 AM
79°
4%
9 AM
79°

Wind: SW @ 5 mph

Precip: 4% Chance

Humidity: 80%

Wind Chill: 79°

Heat Index: 84°

UV Index: 2 Low

Visibility: 10 mi

10 AM
83°
2%
10 AM
83°

Wind: SW @ 6 mph

Precip: 2% Chance

Humidity: 72%

Wind Chill: 83°

Heat Index: 91°

UV Index: 4 Moderate

Visibility: 10 mi