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current weather for San Marcos (United State)

San Marcos is located near Redwood at 5mi, Martindale at 7mi, Kyle at 9mi, Uhland at 11mi, Wimberley at 12mi,

Elevation : 623ft

currently : 63°F sky clear at San Marcos

sky clear

The current temperature is 63°F, the felt temperature is 63°F.

Wind direction from South with a speed of 3mph with gusts at 2mph.

The air is humid : relative air humidity is 59 %.

Pressure is 30inHg : anticyclonic regime, a harbinger of good weather even if mists can appear in the morning and persist because the wind remains weak.

weather last updated 8526 minutes

Sun rises in 6h22 and the sun is setting in 16h31. The duration of the night is 13h51.

For more details on weather observations and short-term forecasts, see the aeronautical weather provided by San Marcos Regional airport.

sky clear at San Marcos

sky clear

aerial view of San Marcos

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Weather forecast for San Marcos (United State)

Sunday, October 19, 2025

Sky will be mainly clear but cloud will appear and the day will be cloudy from morning to evening.

the temperature will range from 63°F to 93°F

wind speed up to 22mph

high heat alert with 93°F at San Marcos

9h

63°F

sky clear

Sky clear

The air is very humid : relative air humidity is 67 %.

pressure is 30inHg

Wind direction from South 6mph with gusts at 12mph

12h

70°F

broken clouds

Broken clouds

The air is very humid : relative air humidity is 75 %.

pressure is 30inHg

Wind direction from South 13mph with gusts at 22mph

15h

87°F

broken clouds

Broken clouds

The air is a little humid : relative air humidity is 37 %.

pressure is 30inHg

Wind direction from South West 15mph with gusts at 18mph

18h

93°F

scattered clouds

Scattered clouds

The air is dry : relative air humidity is 26 %.

pressure is 30inHg

Wind direction from South West 15mph with gusts at 16mph

21h

85°F

few clouds

Few clouds

The air is a little humid : relative air humidity is 34 %.

pressure is 30inHg

Wind direction from South 9mph with gusts at 13mph

Monday, October 20, 2025

Sky will be clear all night long and the day will be very cloudy with may be a small apparition of the sun

the temperature will range from 70°F to 90°F

wind speed up to 29mph

0h

76°F

sky clear

Sky clear

The air is humid : relative air humidity is 58 %.

pressure is 30inHg

Wind direction from South 14mph with gusts at 29mph

3h

72°F

sky clear

Sky clear

The air is almost saturated with water : relative air humidity is 93 %.

pressure is 30inHg

Wind direction from South 9mph with gusts at 26mph

6h

71°F

scattered clouds

Scattered clouds

The air is almost saturated with water : relative air humidity is 97 %.

pressure is 30inHg

Wind direction from South West 7mph with gusts at 25mph

9h

70°F

scattered clouds

Scattered clouds

The air is almost saturated with water : relative air humidity is 97 %.

pressure is 30inHg

Wind direction from North 4mph with gusts at 5mph

12h

78°F

scattered clouds

Scattered clouds

The air is very humid : relative air humidity is 74 %.

pressure is 30inHg

Wind direction from North West 6mph with gusts at 6mph

15h

87°F

scattered clouds

Scattered clouds

The air is moderately humid : relative air humidity is 40 %.

pressure is 30inHg

Wind direction from North 8mph with gusts at 6mph

18h

90°F

sky clear

Sky clear

The air is dry : relative air humidity is 28 %.

pressure is 30inHg

Wind direction from North 11mph with gusts at 8mph

21h

80°F

sky clear

Sky clear

The air is a little humid : relative air humidity is 33 %.

pressure is 30inHg

Wind direction from North 11mph with gusts at 20mph

Tuesday, October 21, 2025

Sky will be mainly clear but cloud will appear and the day will be cloudy from morning to evening.

the temperature will range from 64°F to 91°F

wind speed up to 26mph

0h

75°F

sky clear

Sky clear

The air is a little humid : relative air humidity is 31 %.

pressure is 30inHg

Wind direction from North 10mph with gusts at 26mph

3h

74°F

few clouds

Few clouds

The air is a little humid : relative air humidity is 33 %.

pressure is 30inHg

Wind direction from North East 12mph with gusts at 24mph

6h

69°F

broken clouds

Broken clouds

The air is very humid : relative air humidity is 63 %.

pressure is 30inHg

Wind direction from North East 10mph with gusts at 22mph

9h

65°F

scattered clouds

Scattered clouds

The air is extremely humid : relative air humidity is 81 %.

pressure is 30inHg

Wind direction from North East 7mph with gusts at 15mph

12h

72°F

broken clouds

Broken clouds

The air is extremely humid : relative air humidity is 80 %.

pressure is 30inHg

Wind direction from East 8mph with gusts at 9mph

15h

86°F

broken clouds

Broken clouds

The air is moderately humid : relative air humidity is 46 %.

pressure is 30inHg

Wind direction from South 9mph with gusts at 9mph

18h

92°F

broken clouds

Broken clouds

The air is a little humid : relative air humidity is 32 %.

pressure is 30inHg

Wind direction from South East 7mph with gusts at 8mph

21h

81°F

broken clouds

Broken clouds

The air is humid : relative air humidity is 54 %.

pressure is 30inHg

Wind direction from South East 15mph with gusts at 24mph

Wednesday, October 22, 2025

Sky will be mainly clear but cloud will appear and the day will be very cloudy with may be a small apparition of the sun

the temperature will range from 68°F to 91°F

wind speed up to 29mph

0h

76°F

scattered clouds

Scattered clouds

The air is very humid : relative air humidity is 71 %.

pressure is 30inHg

Wind direction from South East 16mph with gusts at 29mph

3h

71°F

few clouds

Few clouds

The air is extremely humid : relative air humidity is 89 %.

pressure is 30inHg

Wind direction from South 9mph with gusts at 25mph

6h

68°F

sky clear

Sky clear

The air is almost saturated with water : relative air humidity is 98 %.

pressure is 30inHg

Wind direction from South 7mph with gusts at 24mph

9h

67°F

scattered clouds

Scattered clouds

The air is almost saturated with water : relative air humidity is 98 %.

pressure is 30inHg

Wind direction from South 6mph with gusts at 19mph

12h

77°F

scattered clouds

Scattered clouds

The air is very humid : relative air humidity is 71 %.

pressure is 30inHg

Wind direction from South 12mph with gusts at 17mph

15h

88°F

scattered clouds

Scattered clouds

The air is a little humid : relative air humidity is 39 %.

pressure is 30inHg

Wind direction from South 15mph with gusts at 18mph

18h

92°F

sky clear

Sky clear

The air is a little humid : relative air humidity is 30 %.

pressure is 30inHg

Wind direction from South 17mph with gusts at 17mph

21h

83°F

scattered clouds

Scattered clouds

The air is a little humid : relative air humidity is 37 %.

pressure is 30inHg

Wind direction from South East 17mph with gusts at 27mph

Thursday, October 23, 2025

Sky will be covered with cloud all the night and the day will be cloudy from morning to evening.

the temperature will range from 64°F to 91°F

wind speed up to 30mph

0h

73°F

scattered clouds

Scattered clouds

The air is very humid : relative air humidity is 64 %.

pressure is 30inHg

Wind direction from South East 17mph with gusts at 30mph

3h

68°F

scattered clouds

Scattered clouds

The air is extremely humid : relative air humidity is 89 %.

pressure is 30inHg

Wind direction from South 10mph with gusts at 29mph

6h

66°F

broken clouds

Broken clouds

The air is almost saturated with water : relative air humidity is 94 %.

pressure is 30inHg

Wind direction from South East 6mph with gusts at 24mph

9h

65°F

overcast

Overcast

The air is almost saturated with water : relative air humidity is 95 %.

pressure is 30inHg

Wind direction from South East 5mph with gusts at 14mph

12h

77°F

broken clouds

Broken clouds

The air is very humid : relative air humidity is 68 %.

pressure is 30inHg

Wind direction from South 14mph with gusts at 23mph

15h

88°F

light rain

Light rain

0in of rain

The air is moderately humid : relative air humidity is 43 %.

pressure is 30inHg

Wind direction from South 19mph with gusts at 23mph

18h

92°F

broken clouds

Broken clouds

The air is a little humid : relative air humidity is 33 %.

pressure is 30inHg

Wind direction from South 16mph with gusts at 18mph

21h

83°F

broken clouds

Broken clouds

The air is moderately humid : relative air humidity is 48 %.

pressure is 30inHg

Wind direction from South East 18mph with gusts at 26mph

Friday, October 24, 2025

Sky will be covered with cloud all the night, there will be nightly rain and the day will be cloudy from morning to evening. 1in rain in 24h.

the temperature will range from 66°F to 75°F

wind speed up to 30mph

0h

74°F

light rain

Light rain

0in of rain

The air is extremely humid : relative air humidity is 81 %.

pressure is 30inHg

Wind direction from South East 16mph with gusts at 30mph

3h

65°F

heavy intensity rain

Heavy intensity rain

0.9in of rain

The air is extremely humid : relative air humidity is 87 %.

pressure is 30inHg

Wind direction from West 6mph with gusts at 23mph

6h

66°F

moderate rain

Moderate rain

0.4in of rain

The air is almost saturated with water : relative air humidity is 95 %.

pressure is 30inHg

Wind direction from South East 9mph with gusts at 17mph

Weather observation and forecast provided by OpenWeatherMap under CC BY-SA 4.0 license amended by aviation weather data.

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