Weather in San Marcos, Texas, United States

7-Day Detailed Weather Forecast for San Marcos

Today

Temperature: 93°F

Wind Speed: 0 to 10 mph

Wind Direction: SSE

Forecast: A slight chance of showers and thunderstorms after 1pm. Mostly sunny. High near 93, with temperatures falling to around 89 in the afternoon. Heat index values as high as 101. South southeast wind 0 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.

Tonight

Temperature: 73°F

Wind Speed: 5 to 10 mph

Wind Direction: SSE

Forecast: A slight chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 73. South southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.

Monday

Temperature: 92°F

Wind Speed: 0 to 10 mph

Wind Direction: S

Forecast: A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 92. South wind 0 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

Monday Night

Temperature: 72°F

Wind Speed: 0 to 10 mph

Wind Direction: S

Forecast: A slight chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 72. South wind 0 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

Tuesday

Temperature: 93°F

Wind Speed: 0 to 5 mph

Wind Direction: S

Forecast: Mostly sunny, with a high near 93. South wind 0 to 5 mph.

Tuesday Night

Temperature: 74°F

Wind Speed: 5 to 10 mph

Wind Direction: S

Forecast: Mostly cloudy, with a low around 74. South wind 5 to 10 mph.

Wednesday

Temperature: 93°F

Wind Speed: 0 to 10 mph

Wind Direction: S

Forecast: A slight chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 93. South wind 0 to 10 mph. Chance of precipitation is 20%.

Wednesday Night

Temperature: 74°F

Wind Speed: 5 to 10 mph

Wind Direction: SSE

Forecast: A slight chance of showers and thunderstorms before 7pm. Mostly cloudy, with a low around 74. South southeast wind 5 to 10 mph. Chance of precipitation is 20%.

Thursday

Temperature: 90°F

Wind Speed: 5 to 10 mph

Wind Direction: SSE

Forecast: A slight chance of rain showers between 7am and 1pm, then a slight chance of showers and thunderstorms. Partly sunny, with a high near 90. South southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

Thursday Night

Temperature: 74°F

Wind Speed: 5 to 10 mph

Wind Direction: SSE

Forecast: A slight chance of showers and thunderstorms before 7pm. Mostly cloudy, with a low around 74. Chance of precipitation is 20%.

Independence Day

Temperature: 93°F

Wind Speed: 5 to 10 mph

Wind Direction: SSE

Forecast: Partly sunny, with a high near 93.

Friday Night

Temperature: 74°F

Wind Speed: 5 to 10 mph

Wind Direction: SSE

Forecast: Partly cloudy, with a low around 74.

Saturday

Temperature: 97°F

Wind Speed: 5 to 10 mph

Wind Direction: S

Forecast: Partly sunny, with a high near 97.

Saturday Night

Temperature: 73°F

Wind Speed: 5 to 10 mph

Wind Direction: SSE

Forecast: Partly cloudy, with a low around 73.