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As of 08:03 PDT

Weather in San Marcos, CA

71°Current weather

San Marcos, Sunday, 9 August, 08:03

Clear. Feels like 72°. High 90°, low 70°.

Pressure29.88 inHg
Wind3 mph NE
Humidity85%
Visibility6.2 mi
Dew point67°

10-day forecast for San Marcos, CA: 64° to 90°, with precipitation expected on 0 days. The table below breaks each day into morning, afternoon, evening and overnight.

90°
Best day: Sunday, August 9
73°
Worst day: Friday, August 14

Tap any day below to see morning, afternoon, evening and overnight.

Mon, 1089° / 67°0Clear
MorningOvercast75°feels 76°
AfternoonPartly cloudy89°feels 92°
EveningClear77°feels 77°
OvernightClear69°feels 69°
89 °Clear

San Marcos, Monday, 10 August

Clear. High 89°, low 67°.

Pressure29.91 inHg
Wind11.1 mph W
Humidity50%
Visibility6.2 mi
Dew point62°
Tue, 1183° / 67°0Light rain
MorningPartly cloudy73°feels 73°
AfternoonMostly clear81°feels 82°
EveningClear70°feels 70°
OvernightClear67°feels 67°
83 °Light rain

San Marcos, Tuesday, 11 August

Light rain. High 83°, low 67°.

Pressure29.94 inHg
Wind11.8 mph W
Humidity46%
Visibility6.2 mi
Dew point60°
Wed, 1281° / 66°0Clear
MorningClear72°feels 72°
AfternoonMostly clear80°feels 80°
EveningClear69°feels 69°
OvernightClear67°feels 67°
81 °Clear

San Marcos, Wednesday, 12 August

Clear. High 81°, low 66°.

Pressure29.88 inHg
Wind12.4 mph W
Humidity47%
Visibility6.2 mi
Dew point59°
Thu, 1377° / 64°0Overcast
MorningOvercast69°feels 69°
AfternoonOvercast76°feels 76°
EveningOvercast73°feels 73°
OvernightOvercast65°feels 66°
77 °Overcast

San Marcos, Thursday, 13 August

Overcast. High 77°, low 64°.

Pressure29.91 inHg
Wind12.4 mph W
Humidity57%
Visibility—
Dew point59°
Fri, 1473° / 64°0Overcast
MorningOvercast67°feels 67°
AfternoonOvercast73°feels 73°
EveningOvercast72°feels 72°
OvernightOvercast66°feels 66°
73 °Overcast

San Marcos, Friday, 14 August

Overcast. High 73°, low 64°.

Pressure29.97 inHg
Wind8.3 mph W
Humidity64%
Visibility—
Dew point58°
Sat, 1581° / 65°0Overcast
MorningOvercast69°feels 69°
AfternoonOvercast75°feels 75°
EveningOvercast70°feels 70°
OvernightOvercast68°feels 68°
81 °Overcast

San Marcos, Saturday, 15 August

Overcast. High 81°, low 65°.

Pressure30.00 inHg
Wind7.8 mph W
Humidity57%
Visibility—
Dew point59°
Sun, 1681° / 67°0.01Light rain
MorningLight rain72°feels 72°
AfternoonLight rain79°feels 79°
EveningLight rain76°feels 76°
OvernightLight rain67°feels 67°
81 °Light rain

San Marcos, Sunday, 16 August

Light rain. High 81°, low 67°.

Pressure30.06 inHg
Wind12 mph W
Humidity53%
Visibility—
Dew point59°
Mon, 1781° / 66°0Partly cloudy
MorningPartly cloudy70°feels 71°
AfternoonPartly cloudy81°feels 82°
EveningPartly cloudy77°feels 77°
OvernightPartly cloudy68°feels 68°
81 °Partly cloudy

San Marcos, Monday, 17 August

Partly cloudy. High 81°, low 66°.

Pressure30.00 inHg
Wind12.3 mph W
Humidity52%
Visibility—
Dew point60°
Tue, 1885° / 67°0Partly cloudy
MorningPartly cloudy72°feels 73°
AfternoonPartly cloudy84°feels 85°
EveningPartly cloudy80°feels 81°
OvernightPartly cloudy70°feels 71°
85 °Partly cloudy

San Marcos, Tuesday, 18 August

Partly cloudy. High 85°, low 67°.

Pressure29.94 inHg
Wind10.1 mph W
Humidity46%
Visibility—
Dew point60°

About this forecast

How reliable is a 10-day forecast?

The first 3–5 days are the most reliable, typically within 2–4°. From day six to ten the models show the trend: the direction of change is right more often than the exact numbers.

What does the time-of-day table show?

Temperature in San Marcos, CA around 8am, 2pm, 8pm and 2am each day — handy for planning a walk, a drive or work outdoors.

How is the best day chosen?

We weigh the daytime high against precipitation: a warm, dry day scores highest.