National Weather Service United States Department of Commerce

Unsettled weather forecast across eastern U.S.

A storm system moving across the Great Lakes will bring unsettled weather to parts of the eastern U.S. on Monday, with widespread rain is expected across much of the Northeast. Snow is likely across Wisconsin and the western Great Lakes. Snow is also expected across the central and northern Rockies Monday into Tuesday.
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Current Conditions

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San Marcos TX

7 Day Forecast

Tonight

Mostly Clear

Mostly
Clear

Low: 40 °F

Tuesday

Sunny

Sunny

High: 65 °F

Tuesday
Night

Mostly Clear

Mostly
Clear

Low: 38 °F

Wednesday

Sunny

Sunny

High: 69 °F

Wednesday
Night

Clear

Clear

Low: 40 °F

Thanksgiving
Day

Sunny

Sunny

High: 70 °F

Thursday
Night

Mostly Clear

Mostly
Clear

Low: 45 °F

Friday

Mostly Sunny

Mostly
Sunny

High: 70 °F

Friday
Night

Partly Cloudy

Partly
Cloudy

Low: 52 °F

Detailed Forecast

  • Tonight Mostly clear, with a low around 40. North northeast wind around 5 mph becoming calm in the evening.
  • Tuesday Sunny, with a high near 65. Calm wind becoming west southwest around 5 mph in the afternoon.
  • Tuesday Night Mostly clear, with a low around 38. Southwest wind around 5 mph.
  • Wednesday Sunny, with a high near 69. West southwest wind 5 to 15 mph.
  • Wednesday Night Clear, with a low around 40. Southwest wind around 5 mph becoming calm after midnight.
  • Thanksgiving Day Sunny, with a high near 70. Calm wind becoming south southeast around 5 mph in the afternoon.
  • Thursday Night Mostly clear, with a low around 45. South wind around 5 mph.
  • Friday Mostly sunny, with a high near 70. South wind 5 to 15 mph.
  • Friday Night Partly cloudy, with a low around 52. South wind around 10 mph.
  • Saturday Mostly sunny, with a high near 73.
  • Saturday Night Mostly cloudy, with a low around 58.
  • Sunday Partly sunny, with a high near 73.
  • Sunday Night Mostly cloudy, with a low around 57.
  • Monday A 20 percent chance of showers. Mostly cloudy, with a high near 71.