LAKE SAN MARCOS, CA 92069 Weather Forecast & Current Conditions

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CARLSBAD, CA
Current Weather

9:53 PM PDT JUN 8, 2026
Clear
64°F
Feels Like: 64°F
Dewpoint: 57°F
Rel. Hum.: 78%
Visibility: 10 miles
Wind: Calm
Pressure: 29.91 inches
Last 72 hours

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LAKE SAN MARCOS, CA 92069
Weather Forecast

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TONIGHT
Mostly clear this evening...becoming partly cloudy. Patchy fog overnight. Lows 52 to 56. Areas of winds west to 10 mph this evening becoming light.
TUESDAY
Mostly sunny. Highs 76 to 80 in the western valleys to 79 to 84 near the foothills. Areas of winds west to 10 mph... Becoming 10 to 15 mph in the afternoon.
TUESDAY NIGHT
Mostly clear. Lows 56 to 60. Areas of winds west to 10 mph in the evening becoming light.
WEDNESDAY
Partly cloudy in the morning...becoming mostly sunny. Highs 77 to 82 in the western valleys to 85 to 90 near the foothills. Areas of winds west to 10 mph...becoming 10 to 15 mph in the afternoon.
WEDNESDAY NIGHT
Mostly clear. Lows 56 to 61. Areas of winds southwest to 10 mph in the evening becoming light.
THURSDAY
Patchy fog in the morning. Partly cloudy. Highs 78 to 82 in the western valleys to 84 to 89 near the foothills.
THURSDAY NIGHT
Partly cloudy. Lows 61 to 65.
FRIDAY
Partly cloudy in the morning...becoming mostly sunny. Highs 82 to 85 in the western valleys to 85 to 90 near the foothills.
FRIDAY NIGHT
Mostly clear. Lows 61 to 66.
SATURDAY
Partly cloudy in the morning...becoming mostly sunny. Highs 82 to 85 in the western valleys to 86 to 91 near the foothills.
SATURDAY NIGHT
Mostly clear. Lows 59 to 64.
SUNDAY
Partly cloudy in the morning...becoming mostly sunny. Highs 79 to 83 in the western valleys to 83 to 88 near the foothills.
SUNDAY NIGHT
Mostly clear. Lows 58 to 63.

Visible Weather Satellite
LAKE SAN MARCOS, CA 92069
Infrared Weather Satellite
LAKE SAN MARCOS, CA 92069
NEXRAD Weather Radar
LAKE SAN MARCOS, CA 92069

CARLSBAD, CA 3 hourly weather forecast

weather forecast created  7:00 PM CDT  6/ 8/2026
Tuesday
9 JUN 2026
LAKE SAN MARCOS, CA 92069 weather forecast Day 1, 0 hours 11 PM 62° 63° Mostly Cloudy 0%

0% Thunder
( 0% severe)
  CALM 84% 57°
Low 59° LAKE SAN MARCOS, CA 92069 weather forecast Day 1, 3 hours 2 AM 61° 62° Mostly Cloudy   CALM 84% 56°
High 72° LAKE SAN MARCOS, CA 92069 weather forecast Day 1, 6 hours 5 AM 60° 61° Mostly Cloudy 0%

0% Thunder
( 0% severe)
  CALM 87% 56°

Decreasing Clouds



LAKE SAN MARCOS, CA 92069 weather forecast Day 1, 9 hours 8 AM 64° 66° Mostly Cloudy   CALM 75% 56°
LAKE SAN MARCOS, CA 92069 weather forecast Day 1, 12 hours 11 AM 70° 70° Partly Cloudy 0%

0% Thunder
( 0% severe)
WSW   8 63% 57°
LAKE SAN MARCOS, CA 92069 weather forecast Day 1, 15 hours 2 PM 72° 72° Clear WSW   9 61% 58°
LAKE SAN MARCOS, CA 92069 weather forecast Day 1, 18 hours 5 PM 71° 71° Clear 0%

0% Thunder
( 0% severe)
WSW   8 63% 58°
LAKE SAN MARCOS, CA 92069 weather forecast Day 1, 21 hours 8 PM 68° 68° Partly Cloudy WSW   5 73% 59°
Wednesday
10 JUN 2026
LAKE SAN MARCOS, CA 92069 weather forecast Day 2, 0 hours 11 PM 65° 65° Partly Cloudy 0%

0% Thunder
( 0% severe)
  CALM 84% 60°
Low 63° LAKE SAN MARCOS, CA 92069 weather forecast Day 2, 3 hours 2 AM 64° 66° Partly Cloudy   CALM 87% 60°
High 73° LAKE SAN MARCOS, CA 92069 weather forecast Day 2, 6 hours 5 AM 64° 66° Partly Cloudy 0%

0% Thunder
( 0% severe)
  CALM 84% 59°

Partly Cloudy



LAKE SAN MARCOS, CA 92069 weather forecast Day 2, 9 hours 8 AM 65° 65° Mostly Cloudy   CALM 81% 59°
LAKE SAN MARCOS, CA 92069 weather forecast Day 2, 12 hours 11 AM 71° 71° Partly Cloudy 3%

0% Thunder
( 0% severe)
SW   8 68% 60°
LAKE SAN MARCOS, CA 92069 weather forecast Day 2, 15 hours 2 PM 72° 72° Partly Cloudy SW   9 66% 60°
LAKE SAN MARCOS, CA 92069 weather forecast Day 2, 18 hours 5 PM 71° 71° Partly Cloudy 0%

0% Thunder
( 0% severe)
SW   8 68% 60°
LAKE SAN MARCOS, CA 92069 weather forecast Day 2, 21 hours 8 PM 68° 68° Partly Cloudy SSW   6 76% 60°

CARLSBAD, CA extended weather forecast

Thursday
11 JUN 2026
Friday
12 JUN 2026
Saturday
13 JUN 2026
Sunday
14 JUN 2026
Monday
15 JUN 2026
Low 64° Low 64° Low 64° Low 63° Low 62°
High 71° High 71° High 73° High 72° High 70°
LAKE SAN MARCOS, CA 92069 weather forecast Day 3 LAKE SAN MARCOS, CA 92069 weather forecast Day 4 LAKE SAN MARCOS, CA 92069 weather forecast Day 5 LAKE SAN MARCOS, CA 92069 weather forecast Day 6 LAKE SAN MARCOS, CA 92069 weather forecast Day 7
Overcast
Overcast
Overcast
Overcast
Overcast
2% Rain
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