San Marcos, TX

Right Now
87°
Sunny
  • Humidity: 45%
  • Feels Like: 90°
  • Heat Index: 90°
  • Wind: 9 mph
  • Wind Chill: 87°
  • UV Index: 0 Low
  • Sunrise: 07:37:50 AM
  • Sunset: 06:54:28 PM
  • Dew Point: 64°
  • Visibility: 10 mi

Today

Mainly clear. Areas of patchy fog. Low near 70F. Winds SE at 5 to 10 mph.

Tonight

Mainly clear. Areas of patchy fog. Low near 70F. Winds SE at 5 to 10 mph.

Tomorrow

Areas of patchy fog early. Isolated thunderstorms in the morning, then partly cloudy late. High 88F. Winds SSE at 10 to 15 mph. Chance of rain 30%.

Next 12 Hours

Time
Temp
Precip
5 PM
88°
1%
5 PM
88°

Wind: SE @ 10mph

Precip: 1% Chance

Humidity: 45%

Wind Chill: 88°

Heat Index: 90°

UV Index: 1 Low

Visibility: 10 mi

6 PM
87°
1%
6 PM
87°

Wind: SE @ 10mph

Precip: 1% Chance

Humidity: 47%

Wind Chill: 87°

Heat Index: 90°

UV Index: 0 Low

Visibility: 10 mi

7 PM
84°
2%
7 PM
84°

Wind: SE @ 8mph

Precip: 2% Chance

Humidity: 52%

Wind Chill: 84°

Heat Index: 86°

UV Index: 0 Low

Visibility: 10 mi

8 PM
79°
3%
8 PM
79°

Wind: SE @ 7mph

Precip: 3% Chance

Humidity: 64%

Wind Chill: 79°

Heat Index: 83°

UV Index: 0 Low

Visibility: 10 mi

9 PM
78°
3%
9 PM
78°

Wind: SE @ 7mph

Precip: 3% Chance

Humidity: 70%

Wind Chill: 78°

Heat Index: 78°

UV Index: 0 Low

Visibility: 10 mi

10 PM
76°
2%
10 PM
76°

Wind: SE @ 8mph

Precip: 2% Chance

Humidity: 76%

Wind Chill: 76°

Heat Index: 76°

UV Index: 0 Low

Visibility: 9 mi

11 PM
75°
3%
11 PM
75°

Wind: SE @ 7mph

Precip: 3% Chance

Humidity: 80%

Wind Chill: 75°

Heat Index: 75°

UV Index: 0 Low

Visibility: 9 mi

12 AM
74°
9%
12 AM
74°

Wind: SSE @ 6mph

Precip: 9% Chance

Humidity: 84%

Wind Chill: 74°

Heat Index: 76°

UV Index: 0 Low

Visibility: 8 mi

1 AM
73°
7%
1 AM
73°

Wind: SSE @ 5mph

Precip: 7% Chance

Humidity: 86%

Wind Chill: 73°

Heat Index: 75°

UV Index: 0 Low

Visibility: 7 mi

2 AM
73°
11%
2 AM
73°

Wind: SSE @ 4mph

Precip: 11% Chance

Humidity: 88%

Wind Chill: 73°

Heat Index: 75°

UV Index: 0 Low

Visibility: 5 mi

3 AM
73°
12%
3 AM
73°

Wind: SSE @ 5mph

Precip: 12% Chance

Humidity: 89%

Wind Chill: 73°

Heat Index: 75°

UV Index: 0 Low

Visibility: 5 mi

4 AM
72°
20%
4 AM
72°

Wind: SE @ 5mph

Precip: 20% Chance

Humidity: 91%

Wind Chill: 72°

Heat Index: 75°

UV Index: 0 Low

Visibility: 4 mi