San Marcos, TX Weather

    09:00 Friday
    Sunny
    Clear
    11° Feels like 11°
    Gentle northeast wind Northeast 3 - 12 km/h
    • Today 19 Dec. Clear 20° / 6° Moderate south wind 16 - 30 km/h
    • Tomorrow 20 Dec. Clear 25° / 10° Moderate southwest wind 22 - 45 km/h
    • Sunday 21 Dec. Scattered clouds 25° / 13° Moderate north wind 13 - 22 km/h
    • Monday 22 Dec. Overcast 24° / 13° Moderate south wind 14 - 26 km/h
    • Tuesday 23 Dec. Light rain with partly cloudy skies 70% 0.3 mm 27° / 18° Moderate southwest wind 19 - 39 km/h
    • Wednesday 24 Dec. Fog More information 26° / 17° Moderate south wind 17 - 37 km/h
    • Thursday 25 Dec. Scattered clouds 26° / 16° Moderate southwest wind 21 - 45 km/h

    Weather Forecast for San Marcos, TX Today

    , 19 December

    Tomorrow

    , 20 December
    09:00 Clear 11° Sunny
    Feels Like 11°
    Gentle northeast wind Northeast 3 - 12 km/h
    		UV Index 1 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 44%
    • Dew Point Dew Point -1 °C
    • Clouds Clouds 0%
    • Feels Like Feels Like 11 °C
    • Visibility Visibility 45 km
    • Wind Wind - Average 3 km/h
    • Pressure Pressure 1025 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 12 km/h
    • Snowline Snowline 14764 ft
    10:00 Clear 13° Sunny
    Feels Like 13°
    Gentle southeast wind Southeast 5 - 15 km/h
    		UV Index 2 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 34%
    • Dew Point Dew Point -2 °C
    • Clouds Clouds 0%
    • Feels Like Feels Like 13 °C
    • Visibility Visibility 50 km
    • Wind Wind - Average 5 km/h
    • Pressure Pressure 1025 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 15 km/h
    • Snowline Snowline 14764 ft
    11:00 Clear 15° Sunny
    Feels Like 15°
    Moderate southeast wind Southeast 7 - 20 km/h
    		UV Index 3 Moderate SPF: 6-10
    • Rain Rain 0% 0 mm
    • Humidity Humidity 27%
    • Dew Point Dew Point -4 °C
    • Clouds Clouds 0%
    • Feels Like Feels Like 15 °C
    • Visibility Visibility 50 km
    • Wind Wind - Average 7 km/h
    • Pressure Pressure 1025 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 20 km/h
    • Snowline Snowline 14764 ft
    12:00 Clear 17° Sunny
    Feels Like 17°
    Moderate southeast wind Southeast 9 - 24 km/h
    		UV Index 3 Moderate SPF: 6-10
    • Rain Rain 0% 0 mm
    • Humidity Humidity 24%
    • Dew Point Dew Point -4 °C
    • Clouds Clouds 0%
    • Feels Like Feels Like 17 °C
    • Visibility Visibility 50 km
    • Wind Wind - Average 9 km/h
    • Pressure Pressure 1024 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 24 km/h
    • Snowline Snowline 15092 ft
    13:00 Clear 18° Sunny
    Feels Like 18°
    Moderate south wind South 10 - 25 km/h
    		UV Index 3 Moderate SPF: 6-10
    • Rain Rain 0% 0 mm
    • Humidity Humidity 23%
    • Dew Point Dew Point -3 °C
    • Clouds Clouds 0%
    • Feels Like Feels Like 18 °C
    • Visibility Visibility 50 km
    • Wind Wind - Average 10 km/h
    • Pressure Pressure 1022 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 25 km/h
    • Snowline Snowline 15092 ft
    Sunny 14:00 Clear 19° Sunny
    Feels Like 19°
    Moderate south wind South 13 - 29 km/h
    		UV Index 3 Moderate SPF: 6-10
    14:00 Clear 19° Sunny
    Feels Like 19°
    Moderate south wind South 13 - 29 km/h
    		UV Index 3 Moderate SPF: 6-10
    • Rain Rain 0% 0 mm
    • Humidity Humidity 22%
    • Dew Point Dew Point -3 °C
    • Clouds Clouds 0%
    • Feels Like Feels Like 19 °C
    • Visibility Visibility 50 km
    • Wind Wind - Average 13 km/h
    • Pressure Pressure 1021 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 29 km/h
    • Snowline Snowline 14764 ft
    15:00 Clear 19° Sunny
    Feels Like 19°
    Moderate south wind South 14 - 30 km/h
    		UV Index 2 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 22%
    • Dew Point Dew Point -3 °C
    • Clouds Clouds 0%
    • Feels Like Feels Like 19 °C
    • Visibility Visibility 50 km
    • Wind Wind - Average 14 km/h
    • Pressure Pressure 1020 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 30 km/h
    • Snowline Snowline 14764 ft
    16:00 Clear 19° Sunny
    Feels Like 19°
    Moderate south wind South 13 - 29 km/h
    		UV Index 1 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 24%
    • Dew Point Dew Point -2 °C
    • Clouds Clouds 0%
    • Feels Like Feels Like 19 °C
    • Visibility Visibility 50 km
    • Wind Wind - Average 13 km/h
    • Pressure Pressure 1019 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 29 km/h
    • Snowline Snowline 14764 ft
    Sunny 17:00 Clear 17° Sunny
    Feels Like 17°
    Moderate south wind South 10 - 27 km/h
    		UV Index 0 Low SPF: no
    17:00 Clear 17° Sunny
    Feels Like 17°
    Moderate south wind South 10 - 27 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 30%
    • Dew Point Dew Point -1 °C
    • Clouds Clouds 0%
    • Feels Like Feels Like 17 °C
    • Visibility Visibility 50 km
    • Wind Wind - Average 10 km/h
    • Pressure Pressure 1019 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 27 km/h
    • Snowline Snowline 14764 ft
    18:00 Clear 15° Sunny
    Feels Like 15°
    Gentle south wind South 10 - 17 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 38%
    • Dew Point Dew Point 0 °C
    • Clouds Clouds 0%
    • Feels Like Feels Like 15 °C
    • Visibility Visibility 50 km
    • Wind Wind - Average 10 km/h
    • Pressure Pressure 1019 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 17 km/h
    • Snowline Snowline 14764 ft
    19:00 Clear skies 14° Clear
    Feels Like 14°
    Gentle south wind South 11 - 18 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 42%
    • Dew Point Dew Point 1 °C
    • Clouds Clouds 0%
    • Feels Like Feels Like 14 °C
    • Visibility Visibility 45 km
    • Wind Wind - Average 11 km/h
    • Pressure Pressure 1019 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 18 km/h
    • Snowline Snowline 14764 ft
    Clear 20:00 Clear skies 13° Clear
    Feels Like 13°
    Moderate south wind South 13 - 21 km/h
    		UV Index 0 Low SPF: no
    20:00 Clear skies 13° Clear
    Feels Like 13°
    Moderate south wind South 13 - 21 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 43%
    • Dew Point Dew Point 1 °C
    • Clouds Clouds 0%
    • Feels Like Feels Like 13 °C
    • Visibility Visibility 45 km
    • Wind Wind - Average 13 km/h
    • Pressure Pressure 1019 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 21 km/h
    • Snowline Snowline 14764 ft
    21:00 Clear skies 12° Clear
    Feels Like 12°
    Moderate south wind South 15 - 25 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 46%
    • Dew Point Dew Point 1 °C
    • Clouds Clouds 0%
    • Feels Like Feels Like 12 °C
    • Visibility Visibility 45 km
    • Wind Wind - Average 15 km/h
    • Pressure Pressure 1019 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 25 km/h
    • Snowline Snowline 14764 ft
    22:00 Clear skies 12° Clear
    Feels Like 12°
    Moderate south wind South 16 - 28 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 51%
    • Dew Point Dew Point 2 °C
    • Clouds Clouds 0%
    • Feels Like Feels Like 12 °C
    • Visibility Visibility 45 km
    • Wind Wind - Average 16 km/h
    • Pressure Pressure 1019 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 28 km/h
    • Snowline Snowline 14764 ft
    Clear 23:00 Clear skies 11° Clear
    Feels Like 11°
    Moderate south wind South 15 - 28 km/h
    		UV Index 0 Low SPF: no
    23:00 Clear skies 11° Clear
    Feels Like 11°
    Moderate south wind South 15 - 28 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 62%
    • Dew Point Dew Point 4 °C
    • Clouds Clouds 0%
    • Feels Like Feels Like 11 °C
    • Visibility Visibility 40 km
    • Wind Wind - Average 15 km/h
    • Pressure Pressure 1020 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 28 km/h
    • Snowline Snowline 15092 ft
    24:00 Clear skies 10° Clear
    Feels Like 10°
    Moderate southwest wind Southwest 14 - 26 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 74%
    • Dew Point Dew Point 6 °C
    • Clouds Clouds 0%
    • Feels Like Feels Like 10 °C
    • Visibility Visibility 35 km
    • Wind Wind - Average 14 km/h
    • Pressure Pressure 1019 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 26 km/h
    • Snowline Snowline 15092 ft

    Sunrise and Sunset

    Sunrise 07:22 Sunset 17:35
    First light 06:56 Midday 12:29 Last light 18:02
    Day length 10h 14m

    Remaining daylight 8h 15m

    Lunar calendar

    Mon Tue Wed Thu Fri Sat Sun
    19 New Moon
    20 New Moon
    21 New Moon
    22 First Quarter
    23 First Quarter
    24 First Quarter
    25 First Quarter
    26 First Quarter
    27 First Quarter
    28 First Quarter
    29 First Quarter
    30 First Quarter
    31 First Quarter
    1 First Quarter

    Air quality in San Marcos today

    Detail
    32
    Fair O₃ (78 µg/m³)
    • Little health risk.
    • Sensitive people should consider reducing prolonged or intense outdoor activities if they experience symptoms.

    Weather graphs
    Maximum Minimum Rainfall

    Videos

    More Videos
    A large lenticular cloud covers one of the volcanoes in Kamchatka, Russia
    A large lenticular cloud covers one of the volcanoes in Kamchatka, Russia