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150 million in South, East face major snow and ice storm. Get the forecast. Chevron right

San Marcos, TX

54°F
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San Marcos

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San Marcos, TX Weather
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Winter Storm Watch

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January 22 - February 20

Thu 1/22

70° /58°
0%
Breezy this morning; otherwise, mostly cloudy

RealFeel®70°

RealFeel Shade™67°

Max UV Index3.0 (Moderate)

WindE 9 mph

Fri 1/23

66° /44°
94%
Increasingly windy with periods of rain and a thunderstorm
alerts

Winter Storm Watch

12:00 AM Saturday - 12:00 PM Sunday

RealFeel®61°

RealFeel Shade™61°

Max UV Index1.0 (Low)

WindE 16 mph

Sat 1/24

49° /21°
91%

WinterCast

0.05 - 0.15 in

Sat, 1/24, 9:00 PM - Sun, 1/25, 7:00 AM

Ice
Windy and chilly with periods of rain
alerts

Winter Storm Watch

12:00 AM Saturday - 12:00 PM Sunday
alerts

Extreme Cold Watch

6:00 PM Saturday - 12:00 PM Monday

RealFeel®37°

RealFeel Shade™37°

Max UV Index1.0 (Low)

WindNNE 17 mph

Sun 1/25

38° /17°
25%
Mostly cloudy, windy and very cold; watch for slippery spots early
alerts

Winter Storm Watch

12:00 AM Saturday - 12:00 PM Sunday
alerts

Extreme Cold Watch

6:00 PM Saturday - 12:00 PM Monday

RealFeel®26°

RealFeel Shade™23°

Max UV Index2.0 (Low)

WindNNW 20 mph

Mon 1/26

44° /26°
1%
Mostly sunny and cold
alerts

Extreme Cold Watch

6:00 PM Saturday - 12:00 PM Monday

RealFeel®43°

RealFeel Shade™39°

Max UV Index4.0 (Moderate)

WindNE 9 mph

Tue 1/27

54° /41°
5%
Plenty of sunshine

RealFeel®52°

RealFeel Shade™48°

Max UV Index4.0 (Moderate)

WindS 9 mph

Wed 1/28

59° /32°
7%
Plenty of sunshine

RealFeel®58°

RealFeel Shade™54°

Max UV Index4.0 (Moderate)

WindN 12 mph

Thu 1/29

58° /43°
25%
Low clouds

RealFeel®58°

RealFeel Shade™58°

Max UV Index1.0 (Low)

WindNE 6 mph

Fri 1/30

55° /37°
8%
Low clouds

RealFeel®49°

RealFeel Shade™49°

Max UV Index1.0 (Low)

WindN 14 mph

Sat 1/31

55° /33°
7%
Morning low clouds; increasing amounts of sun in the afternoon

RealFeel®50°

RealFeel Shade™47°

Max UV Index3.0 (Moderate)

WindN 16 mph

Sun 2/1

55° /33°
1%
Plenty of sun

RealFeel®63°

RealFeel Shade™56°

Max UV Index4.0 (Moderate)

WindE 5 mph

Mon 2/2

57° /41°
0%
Plenty of sunshine

RealFeel®59°

RealFeel Shade™55°

Max UV Index4.0 (Moderate)

WindSSW 7 mph

Tue 2/3

62° /47°
3%
Low clouds

RealFeel®60°

RealFeel Shade™60°

Max UV Index1.0 (Low)

WindSSE 7 mph

Wed 2/4

65° /40°
20%
Partly sunny

RealFeel®67°

RealFeel Shade™62°

Max UV Index4.0 (Moderate)

WindSSW 8 mph

Thu 2/5

70° /46°
20%
Sun and clouds

RealFeel®67°

RealFeel Shade™66°

Max UV Index2.0 (Low)

WindNNW 17 mph

Fri 2/6

60° /39°
20%
Plenty of sunshine

RealFeel®64°

RealFeel Shade™58°

Max UV Index4.0 (Moderate)

WindNNW 7 mph

Sat 2/7

64° /45°
20%
Plenty of sunshine

RealFeel®66°

RealFeel Shade™62°

Max UV Index4.0 (Moderate)

WindNW 6 mph

Sun 2/8

70° /45°
20%
A blend of sun and clouds

RealFeel®73°

RealFeel Shade™68°

Max UV Index4.0 (Moderate)

WindSE 6 mph

Mon 2/9

69° /42°
60%
A brief shower in the morning; otherwise, after a cloudy start, sunshine returns

RealFeel®69°

RealFeel Shade™65°

Max UV Index4.0 (Moderate)

WindN 13 mph

Tue 2/10

61° /46°
20%
Plenty of sun

RealFeel®63°

RealFeel Shade™58°

Max UV Index4.0 (Moderate)

WindWNW 8 mph

Wed 2/11

69° /42°
20%
Plenty of sun

RealFeel®74°

RealFeel Shade™67°

Max UV Index5.0 (Moderate)

WindENE 4 mph

Thu 2/12

69° /48°
10%
Mostly sunny

RealFeel®69°

RealFeel Shade™65°

Max UV Index5.0 (Moderate)

WindSSW 12 mph

Fri 2/13

72° /49°
25%
After a cloudy start, sun returns

RealFeel®74°

RealFeel Shade™69°

Max UV Index3.0 (Moderate)

WindSSW 8 mph

Sat 2/14

74° /50°
20%
Sunny

RealFeel®76°

RealFeel Shade™71°

Max UV Index5.0 (Moderate)

WindSSW 8 mph

Sun 2/15

74° /51°
25%
Sun and clouds

RealFeel®73°

RealFeel Shade™73°

Max UV Index2.0 (Low)

WindSSW 8 mph

Mon 2/16

73° /51°
20%
Partly sunny

RealFeel®77°

RealFeel Shade™72°

Max UV Index5.0 (Moderate)

WindSSW 7 mph

Tue 2/17

74° /52°
5%
Plenty of sunshine

RealFeel®77°

RealFeel Shade™72°

Max UV Index5.0 (Moderate)

WindSSW 8 mph

Wed 2/18

75° /52°
20%
Brilliant sunshine

RealFeel®75°

RealFeel Shade™72°

Max UV Index5.0 (Moderate)

WindSSW 12 mph

Thu 2/19

76° /50°
20%
Warm with plenty of sun

RealFeel®79°

RealFeel Shade™74°

Max UV Index5.0 (Moderate)

WindNE 8 mph

Fri 2/20

69° /49°
25%
Intervals of clouds and sunshine

RealFeel®73°

RealFeel Shade™67°

Max UV Index5.0 (Moderate)

WindSSW 7 mph

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World North America United States Texas San Marcos

Weather Near San Marcos:

  • Austin, TX
  • Cedar Park, TX
  • Round Rock, TX
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