Weather Forecast and Conditions for San Marcos, Texas 78666 - The Weather Channel | Weather.com
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67° Sunny
Sunny
Day 69° • Night 43°
Feels Like67°
Sunrise

7:44 am

Sunset

7:38 pm

Temperature
High / Low
--/43°
Wind
3 mph
Humidity
Humidity
17%
Dew point
Dew Point
21°
Pressure
Pressure
30.19 in
UV index
UV Index
0 of 11
Visibility
Visibility
10 mi
Moon Phase - Day 23
Moon Phase
Waning Crescent

Hourly Weather-

Now

Sunny Sunny
66°
Rain drop 0%
ESE 3 mph
Subtract

Sunny

  • Temperature feels like
    Feels Like66°
  • WindESE 3 mph
  • Humidity
    Humidity19%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover0%
  • Rain drop
    Rain Amount0 in

8 pm

Clear Night Clear
60°
Rain drop 0%
SE 3 mph
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Clear

  • Temperature feels like
    Feels Like60°
  • WindSE 3 mph
  • Humidity
    Humidity25%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover0%
  • Rain drop
    Rain Amount0 in

9 pm

Clear Night Clear
56°
Rain drop 0%
SE 3 mph
Add

Clear

  • Temperature feels like
    Feels Like56°
  • WindSE 3 mph
  • Humidity
    Humidity31%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover0%
  • Rain drop
    Rain Amount0 in

10 pm

Clear Night Clear
53°
Rain drop 0%
SE 5 mph
Add

Clear

  • Temperature feels like
    Feels Like52°
  • WindSE 5 mph
  • Humidity
    Humidity40%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover0%
  • Rain drop
    Rain Amount0 in
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10 Day Weather-

Tonight

Clear Night Clear
--/43°
Rain drop 1%
Subtract

Night

43°
Clear Night
Rain drop
1%
S 7 mph

A clear sky. Low 43F. Winds S at 5 to 10 mph.

  • Humidity
    Humidity42%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise3:35 am
  • Moonset
    Moonset1:31 pm
  • Moon Phase - Day 23 Waning Crescent

Fri 13

Sunny Sunny
81°/52°
Rain drop 1%
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Day

81°
Sunny
Rain drop
1%
SSW 13 mph

A mainly sunny sky. High 81F. Winds SSW at 10 to 20 mph.

  • Humidity
    Humidity39%
  • UV index
    UV Index8 of 11
  • Sunrise
    Sunrise7:43 am
  • Sunset
    Sunset7:38 pm

Night

52°
Clear Night
Rain drop
9%
S 9 mph

A mostly clear sky. Low 52F. Winds S at 5 to 10 mph.

  • Humidity
    Humidity67%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise4:23 am
  • Moonset
    Moonset2:29 pm
  • Moon Phase - Day 24 Waning Crescent

Sat 14

Partly Cloudy Day Partly Cloudy
84°/63°
Rain drop 22%
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Day

84°
Partly Cloudy Day
Rain drop
22%
S 14 mph

Some clouds in the morning will give way to mainly sunny skies for the afternoon. High 84F. Winds S at 10 to 20 mph.

  • Humidity
    Humidity64%
  • UV index
    UV Index8 of 11
  • Sunrise
    Sunrise7:42 am
  • Sunset
    Sunset7:39 pm

Night

63°
Mostly Cloudy Night
Rain drop
23%
S 14 mph

Partly cloudy skies early will become overcast later during the night. Low 63F. Winds S at 10 to 20 mph.

  • Humidity
    Humidity77%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise5:05 am
  • Moonset
    Moonset3:29 pm
  • Moon Phase - Day 25 Waning Crescent

Sun 15

Partly Cloudy Day AM Clouds/PM Sun
87°/39°
Rain drop 22%
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Day

87°
Partly Cloudy Day
Rain drop
22%
SW 16 mph

Cloudy skies early, followed by partial clearing. Near record high temperatures. High 87F. Winds SW at 10 to 20 mph.

  • Humidity
    Humidity58%
  • UV index
    UV Index8 of 11
  • Sunrise
    Sunrise7:41 am
  • Sunset
    Sunset7:40 pm

Night

39°
Windy
N 24 mph

Mostly clear skies with gusty winds. Low 39F. Winds N at 20 to 30 mph.

  • Humidity
    Humidity29%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise5:42 am
  • Moonset
    Moonset4:30 pm
  • Moon Phase - Day 26 Waning Crescent
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