10-Day Weather Forecast - San Marcos, TX

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  • |37°F
    Mostly Clear
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    Tonight

    37°F

    Mostly clear. Low temperature around 37F. Dew point will be around 29F with an average humidity of 68%. Winds will be 9 mph from the N.

    Hourly details
  • Day

    55°F

    Mostly cloudy this morning then becoming partly cloudy. Highs in the mid 50s. Northeast winds around 5 mph becoming southeast this afternoon.

    Night

    46°F

    Mostly cloudy. Not as cool with lows around 40. South winds around 5 mph.

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  • Day

    60°F

    Cloudy. Highs in the lower 60s. South winds 5 to 10 mph with gusts up to 20 mph.

    Night

    55°F

    Cloudy with a slight chance of showers. Not as cool. Near steady temperature in the mid 50s. South winds around 5 mph.

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  • Day

    70°F

    Cloudy. A slight chance of showers in the morning. Highs around 70. South winds around 5 mph.

    Night

    60°F

    Partly cloudy in the evening then becoming mostly cloudy. Lows in the upper 50s.

    Hourly details
  • Day

    77°F

    Partly cloudy in the morning then clearing. Highs in the upper 70s.

    Night

    52°F

    Clear cooler with lows in the mid 40s.

    Hourly details
  • Day

    70°F

    Mostly sunny. Highs around 70.

    Night

    55°F

    Partly cloudy. Lows in the lower 50s. Highs in the upper 70s.

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  • Weekend Weather

  • Day

    75°F

    Partly cloudy. Lows in the lower 50s. Highs in the upper 70s.

    Night

    62°F

    Clear in the evening then becoming partly cloudy. Lows in the upper 50s.

    Hourly details
  • Day

    75°F

    Partly cloudy in the morning then clearing. Highs in the upper 70s.

    Night

    58°F

    Partly cloudy. Low temperature around 58F. Dew point will be around 53F with an average humidity of 76%. Winds will be 3 mph from the NE.

  • Day

    72°F

    Mostly cloudy. High temperature around 72F. Dew point will be around 58F with an average humidity of 70%. Winds will be 4 mph from the SE.

    Night

    62°F

    Mostly clear. Low temperature around 62F. Dew point will be around 62F with an average humidity of 91%. Winds will be 6 mph from the S.

  • Day

    75°F

    Cloudy. High temperature around 75F. Dew point will be around 65F with an average humidity of 80%. Winds will be 6 mph from the S.

    Night

    62°F

    Partly cloudy. Low temperature around 62F. Dew point will be around 62F with an average humidity of 90%. Winds will be 3 mph from the S.