SAN MARCOS, CA 92078 Weather Forecast & Current Conditions

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CARLSBAD, CA
Current Weather

11:53 PM PDT MAR 31, 2026
Overcast
Light Rain
64°F
Feels Like: 65°F
Dewpoint: 61°F
Rel. Hum.: 90%
Visibility: 10 miles
Wind: SE at 5 mph
Pressure: 29.93 inches
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SAN MARCOS, CA 92078
Weather Forecast

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TODAY
Mostly cloudy with a chance of showers this morning, then partly cloudy this afternoon. Highs around 70 in the western valleys to 63 to 68 near the foothills. Areas of winds west 10 to 15 mph. Gusts to 25 mph this afternoon. Chance of measurable precipitation 40 percent.
TONIGHT
Partly cloudy in the evening...becoming mostly cloudy. Lows 47 to 53. Areas of winds west 10 to 15 mph with gusts to 25 mph in the evening becoming light.
THURSDAY
Partly cloudy. Highs 66 to 69 in the western valleys to 62 to 67 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 45 to 51. Areas of winds west to 10 mph in the evening becoming light.
FRIDAY
Partly cloudy. Warmer. Highs around 80 in the western valleys to 73 to 78 near the foothills. Areas of winds north 10 to 20 mph becoming east in the afternoon. Gusts to 35 mph.
FRIDAY NIGHT
Partly cloudy. Lows 50 to 56.
SATURDAY
Partly cloudy in the morning...becoming mostly sunny. Highs 81 to 84 in the western valleys to 77 to 82 near the foothills.
SATURDAY NIGHT
Mostly clear. Lows 49 to 55.
SUNDAY
Mostly sunny. Highs 78 to 83.
SUNDAY NIGHT
Partly cloudy. Lows 51 to 57.
MONDAY
Partly cloudy. Highs 74 to 79.
MONDAY NIGHT
Partly cloudy in the evening...becoming mostly clear. Lows 49 to 55.
TUESDAY
Partly cloudy in the morning...becoming sunny. Highs 76 to 81.

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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