TEST MODE
Now accepting affiliate applications in hundreds of markets across the country. Run your town's Community Observer and earn up to 75% of the ad revenue. See how it worksSan Marcos does not have an affiliate yet. Be the one. Apply for San MarcosTest mode: games, boards and entries really work, prizes and payments are not real. Open the Test Lab and tell us what to keep.
San MarcosCommunity Observer

Tuesday, November 3 · updated 2 hr ago

San Marcos

Texas

72°
Showers And ThunderstormsLow 68°
Wind5 to 10 mph SW
Chance of rain75%
Tuesday77° Patchy Fog then Mostly Sunny
Photo: Wikimedia Commons

Next 12 hours

Hour by hour from the National Weather Service

Now
72°
5am
70°
6am
70°
7am
69°
8am
68°
9am
71°
10am
72°
11am
73°
12pm
73°
1pm
75°
2pm
76°
3pm
76°

7 day forecast

Highs and lows for the week

OvernightShowers And Thunderstorms75%68°
TuePatchy Fog then Mostly Sunny72%55°
77°
WedSunny55°
74°
ThuMostly Sunny then Slight Chance Rain Showers18%58°
79°
FriMostly Sunny1%53°
72°
SatSlight Chance Rain Showers21%50°
67°
SunMostly Sunny11%48°
68°

Live radar and maps

Radar map by Windy

Open this forecast on weather.gov

Plan your day in San Marcos

Ready for storms

Picked for today's weather in San Marcos.

🛒Shop Ready for storms on AmazonSee what is popular →

As an Amazon Associate, community.observer earns from qualifying purchases. Prices and availability are shown as of the time they were last checked and can change.

Cheap flights from Austin

Fares from the nearest big airport.

Loading Cheap flights from Austin...

Travel deals come from our partner Travelpayouts. If you book through them, community.observer may earn a commission at no extra cost to you.

Forecast in detail

Overnight, 68°. Showers and thunderstorms after 3am. Mostly cloudy, with a low around 68. Southwest wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

Tuesday, 77°. Patchy fog and showers and thunderstorms likely before noon. Mostly sunny, with a high near 77. Northwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

Tuesday Night, 55°. Mostly clear, with a low around 55. North northwest wind around 5 mph.

Wednesday, 74°. Sunny, with a high near 74. Northeast wind 0 to 5 mph.

Wednesday Night, 55°. Mostly clear, with a low around 55. South southeast wind around 0 mph.

Thursday, 79°. A slight chance of rain showers after noon. Mostly sunny, with a high near 79. South wind 0 to 5 mph. Chance of precipitation is 20%.

Thursday Night, 58°. A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 58. Northwest wind 0 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

Friday, 72°. Mostly sunny, with a high near 72. North wind 5 to 10 mph, with gusts as high as 25 mph.

Friday Night, 53°. Partly cloudy, with a low around 53. North northeast wind 0 to 10 mph.

Saturday, 67°. A slight chance of rain showers. Partly sunny, with a high near 67. Chance of precipitation is 20%.