SAN MARCOS, CA 92078 Weather Forecast & Current Conditions

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CARLSBAD, CA
Current Weather

10:53 PM PDT MAR 31, 2026
Broken Clouds
64°F
Feels Like: 64°F
Dewpoint: 59°F
Rel. Hum.: 84%
Visibility: 10 miles
Wind: Calm
Pressure: 29.93 inches
Last 72 hours

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SAN MARCOS, CA 92078
Weather Forecast

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Snow Depth pages
TONIGHT
Cloudy with a chance of showers. Lows 51 to 56. Areas of winds southwest 10 mph. Chance of measurable precipitation 50 percent.
WEDNESDAY
Mostly cloudy with a slight chance of showers in the morning, then mostly sunny in the afternoon. Highs around 70 in the western valleys to 63 to 68 near the foothills. Areas of winds southwest to 10 mph becoming west with gusts to 25 mph in the afternoon. Chance of measurable precipitation 20 percent.
WEDNESDAY NIGHT
Partly cloudy in the evening...becoming mostly cloudy. Lows 44 to 52 in wind sheltered areas to 49 to 54 in warmer locations. Areas of winds west 10 to 15 mph in the evening becoming light.
THURSDAY
Mostly cloudy in the morning...becoming partly cloudy. Highs around 70 in the western valleys to 63 to 68 near the foothills. Areas of winds west to 10 mph...becoming 10 to 15 mph with gusts to 25 mph in the afternoon.
THURSDAY NIGHT
Partly cloudy. Lows 42 to 50 in wind sheltered areas to 46 to 52 in warmer locations. Areas of winds west 10 to 15 mph in the evening becoming light.
FRIDAY
Partly cloudy. Warmer. Highs around 80 in the western valleys to 72 to 77 near the foothills.
FRIDAY NIGHT
Partly cloudy. Lows 49 to 56.
SATURDAY
Partly cloudy in the morning...becoming mostly sunny. Highs 79 to 84.
SATURDAY NIGHT
Mostly clear. Lows 49 to 56.
SUNDAY
Mostly sunny. Highs 80 to 85.
SUNDAY NIGHT
Mostly clear in the evening...becoming partly cloudy. Lows 51 to 57.
MONDAY
Partly cloudy. Highs 76 to 81.
MONDAY NIGHT
Partly cloudy. Lows 50 to 55.

Visible Weather Satellite
SAN MARCOS, CA 92078
Infrared Weather Satellite
SAN MARCOS, CA 92078
NEXRAD Weather Radar
SAN MARCOS, CA 92078

CARLSBAD, CA 3 hourly weather forecast

weather forecast created  6:00 PM CST  3/31/2026
Wednesday
1 APR 2026
SAN MARCOS, CA 92078 weather forecast Day 1, 0 hours 10 PM 64° 65° Mostly Cloudy 57%
RAIN
***
0% Thunder
( 5% severe)
SSW   3 87% 60°
Low 59° SAN MARCOS, CA 92078 weather forecast Day 1, 3 hours 1 AM 62° 63° Mostly Cloudy S   3 93% 60°
High 68° SAN MARCOS, CA 92078 weather forecast Day 1, 6 hours 4 AM 60° 61° Mostly Cloudy 12%
RAIN
.01–.1 in
0% Thunder
( 1% severe)
WSW   3 96% 59°

Mostly Cloudy



SAN MARCOS, CA 92078 weather forecast Day 1, 9 hours 7 AM 62° 63° Mostly Cloudy SW   2 84% 57°
SAN MARCOS, CA 92078 weather forecast Day 1, 12 hours 10 AM 66° 66° Partly Cloudy 3%

0% Thunder
( 0% severe)
WSW   7 68% 55°
SAN MARCOS, CA 92078 weather forecast Day 1, 15 hours 1 PM 66° 66° Partly Cloudy WSW   10 65% 54°
SAN MARCOS, CA 92078 weather forecast Day 1, 18 hours 4 PM 65° 65° Partly Cloudy 3%

0% Thunder
( 2% severe)
W   8 63% 52°
SAN MARCOS, CA 92078 weather forecast Day 1, 21 hours 7 PM 62° 62° Mostly Cloudy W   6 75% 54°
Thursday
2 APR 2026
SAN MARCOS, CA 92078 weather forecast Day 2, 0 hours 10 PM 60° 61° Mostly Cloudy 8%

0% Thunder
( 3% severe)
NW   3 84% 55°
Low 56° SAN MARCOS, CA 92078 weather forecast Day 2, 3 hours 1 AM 59° 60° Mostly Cloudy N   3 87% 55°
High 66° SAN MARCOS, CA 92078 weather forecast Day 2, 6 hours 4 AM 57° 57° Mostly Cloudy 5%

0% Thunder
( 1% severe)
NW   3 93% 55°

Mostly Cloudy



SAN MARCOS, CA 92078 weather forecast Day 2, 9 hours 7 AM 59° 60° Mostly Cloudy W   3 83% 54°
SAN MARCOS, CA 92078 weather forecast Day 2, 12 hours 10 AM 64° 64° Mostly Cloudy 1%

0% Thunder
( 1% severe)
WSW   6 67% 53°
SAN MARCOS, CA 92078 weather forecast Day 2, 15 hours 1 PM 64° 63° Partly Cloudy WSW   10 67% 53°
SAN MARCOS, CA 92078 weather forecast Day 2, 18 hours 4 PM 64° 64° Partly Cloudy 1%

0% Thunder
( 0% severe)
WSW   8 65% 52°
SAN MARCOS, CA 92078 weather forecast Day 2, 21 hours 7 PM 61° 61° Partly Cloudy W   5 75% 53°

CARLSBAD, CA extended weather forecast

Friday
3 APR 2026
Saturday
4 APR 2026
Sunday
5 APR 2026
Monday
6 APR 2026
Tuesday
7 APR 2026
Low 55° Low 54° Low 56° Low 57° Low 56°
High 73° High 70° High 67° High 65° High 67°
SAN MARCOS, CA 92078 weather forecast Day 3 SAN MARCOS, CA 92078 weather forecast Day 4 SAN MARCOS, CA 92078 weather forecast Day 5 SAN MARCOS, CA 92078 weather forecast Day 6 SAN MARCOS, CA 92078 weather forecast Day 7
Mostly Cloudy
8% Rain
Mostly Cloudy
1% Rain
Mostly Cloudy
3% Rain
Mostly Cloudy
4% Rain
Overcast
14% Rain
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