Observed 5:30 AM PDT at KCRQ

Lake San Marcos, CA weather

Overcast and 61°16°, 11°6° colder than a typical Oct 23.

Forecasts agree

Now 61°16°

Cloudy

Wind: 7 mph11 km/h; From the east-southeast. 58–10 mph16 km/h through 5 PM
Dew point: 57°14°; A little sticky
UV index: 0Low; High 1–2 PM · peak 6
Air quality: 27Good; Main pollutant: Ozone
Pressure: 29.98 inHg1015 hPa; Steady over the last 3 h

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

6°3° cooler than this time yesterday (66°19° then, 60°16° now)

Good hours for

Low 57°14° today at 6 AM
High 69°21° today at 2 PM
Above 60°16° tomorrow by 9 AM

This morningUp to 67°19° by 11 AM · Mostly cloudy · rain chance 30%
This afternoonNear 68°20° · rain chance 20% · Partly cloudy
TonightDown to 56°13° by 5 AM · rain chance 20% · Clear
Tomorrow morningUp to 71°22° by 11 AM · Clear
Tomorrow afternoonNear 73°23° · Clear
Tomorrow nightDown to 61°16° by 2 AM · Clear

Hourly forecast, next 48 hours, in the place's local time
Hour	Conditions	Temperature	Feels like	Precipitation	Wind	Humidity	Cloud cover	UV index
Fri 5a	Showers	58°14° (likely 55°13° to 62°17°)	58°14°	30%, 0.01 in0.3 mm	5 mph8 km/h from E, gusts 5 mph8 km/h	98%	79%	0
Fri 6a	Showers	57°14° (likely 55°13° to 60°16°)	57°14°	30%, 0.01 in0.3 mm	5 mph8 km/h from E, gusts 6 mph9 km/h	100%	65%	0
Fri 7a	Showers	57°14° (likely 55°13° to 60°16°)	57°14°	30%, 0.01 in0.3 mm	5 mph8 km/h from SE, gusts 8 mph12 km/h	100%	84%	0
Fri 8a	Showers	59°15° (likely 56°13° to 61°16°)	59°15°	30%, 0.01 in0.3 mm	5 mph8 km/h from SE, gusts 5 mph9 km/h	99%	60%	0
Fri 9a	Showers	61°16° (likely 61°16° to 63°17°)	61°16°	30%, 0.01 in0.3 mm	5 mph8 km/h from SE, gusts 8 mph12 km/h	96%	54%	1
Fri 10a	Showers	64°18° (likely 62°17° to 66°19°)	64°18°	30%, 0.01 in0.3 mm	5 mph8 km/h from SE, gusts 8 mph12 km/h	87%	51%	3
Fri 11a	Cloudy	67°19° (likely 63°17° to 68°20°)	67°19°	10%	5 mph8 km/h from S, gusts 7 mph12 km/h	79%	70%	4
Fri 12p	Mostly cloudy	68°20° (likely 66°19° to 70°21°)	68°20°	10%	5 mph8 km/h from SW, gusts 6 mph9 km/h	78%	47%	5
Fri 1p	Sunny	68°20° (likely 68°20° to 70°21°)	69°21°	10%	5 mph8 km/h from W, gusts 9 mph14 km/h	76%	32%	6
Fri 2p	Sunny	69°21° (likely 68°20° to 69°21°)	69°21°	10%	5 mph8 km/h from W, gusts 11 mph17 km/h	75%	28%	5
Fri 3p	Sunny	68°20° (likely 68°20° to 69°21°)	68°20°	10%	10 mph16 km/h from W, gusts 11 mph18 km/h	77%	18%	4
Fri 4p	Sunny	68°20° (likely 68°20° to 68°20°)	68°20°	10%	10 mph16 km/h from W, gusts 11 mph18 km/h	76%	17%	3
Fri 5p	Showers	67°19° (likely 66°19° to 67°19°)	67°19°	20%	10 mph16 km/h from W, gusts 11 mph18 km/h	78%	25%	2
Fri 6p	Showers	64°18° (likely 64°18° to 66°19°)	65°18°	20%	5 mph8 km/h from W, gusts 10 mph16 km/h	85%	34%	0
Fri 7p	Clear	62°17° (likely 62°17° to 65°18°)	63°17°	20%	5 mph8 km/h from W, gusts 6 mph10 km/h	89%	27%	0
Fri 8p	Showers	62°17° (likely 60°16° to 64°18°)	62°17°	20%	0 mph0 km/h, gusts 4 mph7 km/h	89%	35%	0
Fri 9p	Mostly clear	60°16° (likely 59°15° to 63°17°)	61°16°	20%	0 mph0 km/h, gusts 4 mph7 km/h	90%	35%	0
Fri 10p	Clear	59°15° (likely 58°14° to 62°17°)	59°15°	20%	0 mph0 km/h, gusts 5 mph8 km/h	92%	23%	0
Fri 11p	Clear	59°15° (likely 57°14° to 60°16°)	59°15°	0%	0 mph0 km/h, gusts 6 mph10 km/h	95%	12%	0
Sat 12a	Clear	57°14° (likely 55°13° to 60°16°)	57°14°	0%	0 mph0 km/h, gusts 6 mph10 km/h	98%	20%	0
Sat 1a	Mostly clear	57°14° (likely 54°12° to 59°15°)	57°14°	0%	0 mph0 km/h, gusts 6 mph9 km/h	97%	23%	0
Sat 2a	Mostly clear	57°14° (likely 53°12° to 59°15°)	57°14°	0%	5 mph8 km/h from E, gusts 6 mph10 km/h	97%	18%	0
Sat 3a	Mostly clear	57°14° (likely 52°11° to 58°14°)	57°14°	0%	0 mph0 km/h, gusts 5 mph8 km/h	96%	18%	0
Sat 4a	Mostly clear	57°14° (likely 52°11° to 58°14°)	57°14°	0%	0 mph0 km/h, gusts 5 mph8 km/h	96%	19%	0
Sat 5a	Mostly clear	56°13° (likely 51°11° to 57°14°)	56°13°	0%	0 mph0 km/h, gusts 6 mph9 km/h	98%	19%	0
Sat 6a	Mostly clear	55°13° (likely 51°11° to 57°14°)	55°13°	0%	0 mph0 km/h, gusts 5 mph8 km/h	100%	16%	0
Sat 7a	Mostly sunny	55°13° (likely 50°10° to 57°14°)	55°13°	0%	0 mph0 km/h, gusts 6 mph9 km/h	100%	13%	0
Sat 8a	Sunny	57°14° (likely 52°11° to 59°15°)	57°14°	0%	0 mph0 km/h, gusts 5 mph8 km/h	100%	5%	0
Sat 9a	Sunny	62°17° (likely 60°16° to 65°18°)	62°17°	0%	0 mph0 km/h, gusts 5 mph7 km/h	83%	8%	1
Sat 10a	Sunny	67°19° (likely 66°19° to 68°20°)	67°19°	0%	5 mph8 km/h from N, gusts 5 mph8 km/h	71%	3%	3
Sat 11a	Sunny	71°22° (likely 69°21° to 72°22°)	71°22°	0%	5 mph8 km/h from NW, gusts 6 mph10 km/h	62%	2%	4
Sat 12p	Sunny	73°23° (likely 71°22° to 74°23°)	73°23°	0%	5 mph8 km/h from NW, gusts 8 mph14 km/h	60%	2%	5
Sat 1p	Sunny	73°23° (likely 72°22° to 74°23°)	73°23°	0%	5 mph8 km/h from W, gusts 11 mph17 km/h	61%	3%	6
Sat 2p	Sunny	73°23° (likely 72°22° to 74°23°)	73°23°	0%	5 mph8 km/h from W, gusts 11 mph17 km/h	63%	3%	5
Sat 3p	Sunny	73°23° (likely 71°22° to 74°23°)	73°23°	0%	10 mph16 km/h from W, gusts 11 mph18 km/h	65%	3%	4
Sat 4p	Sunny	73°23° (likely 70°21° to 73°23°)	73°23°	0%	10 mph16 km/h from W, gusts 11 mph18 km/h	65%	7%	3
Sat 5p	Sunny	72°22° (likely 69°21° to 72°22°)	72°22°	0%	5 mph8 km/h from W, gusts 11 mph18 km/h	67%	7%	2
Sat 6p	Clear	70°21° (likely 67°19° to 70°21°)	70°21°	0%	5 mph8 km/h from W, gusts 10 mph16 km/h	74%	4%	0
Sat 7p	Clear	68°20° (likely 64°18° to 68°20°)	68°20°	0%	5 mph8 km/h from W, gusts 6 mph10 km/h	75%	8%	0
Sat 8p	Clear	66°19° (likely 62°17° to 66°19°)	66°19°	0%	0 mph0 km/h, gusts 3 mph4 km/h	80%	6%	0
Sat 9p	Clear	68°20° (likely 61°16° to 68°20°)	68°20°	0%	0 mph0 km/h, gusts 4 mph6 km/h	73%	6%	0
Sat 10p	Clear	68°20° (likely 58°14° to 68°20°)	68°20°	0%	0 mph0 km/h, gusts 4 mph7 km/h	72%	8%	0
Sat 11p	Clear	63°17° (likely 57°14° to 63°17°)	63°17°	0%	0 mph0 km/h, gusts 5 mph7 km/h	83%	11%	0
Sun 12a	Clear	66°19° (likely 55°13° to 66°19°)	66°19°	0%	5 mph8 km/h from SE, gusts 4 mph7 km/h	74%	12%	0
Sun 1a	Clear	66°19° (likely 54°12° to 66°19°)	66°19°	0%	5 mph8 km/h from E, gusts 4 mph7 km/h	72%	13%	0
Sun 2a	Clear	61°16° (likely 53°12° to 62°17°)	61°16°	0%	5 mph8 km/h from E, gusts 4 mph7 km/h	84%	12%	0
Sun 3a	Clear	66°19° (likely 52°11° to 66°19°)	66°19°	0%	5 mph8 km/h from E, gusts 5 mph8 km/h	68%	12%	0
Sun 4a	Mostly clear	66°19° (likely 51°11° to 66°19°)	66°19°	0%	5 mph8 km/h from E, gusts 5 mph8 km/h	67%	11%	0

Days ahead

Shaded: typical range for these dates (1991–2020)

Today, Oct 23. Showers. High 69°21°, low 57°14°. Typical 80°27° / 56°13°. Rain 0.13 in3.3 mm, 30% chance. Forecasts agree.
1. Morning
  6 AM–noon
  Showers, 59°15°
  30% chance · 0.05 in1.3 mm
2. Afternoon
  noon–6 PM
  Sunny, 69°21°
  Dry
3. Evening
  6 PM–midnight
  Mostly clear, 62°17°
  Dry
4. Overnight
  midnight–6 AM
  Mostly clear, 56°13°
  Dry
Official NWS forecast
Today: A chance of rain showers. Partly sunny, with a high near 69. South wind 5 to 10 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
Tonight: A chance of rain showers. Mostly cloudy, with a low around 57. East wind around 5 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
68°20°–70°21°
Low, likely
54°12°–60°16°
Typical high / low
80°27° / 56°13°
Wind
9 mph14 km/h, gusts 20 mph31 km/h
UV peak
6
Tomorrow, Oct 24. Sunny. High 74°23°, low 58°14°. Typical 80°27° / 55°13°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 57°14°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 73°23°
  Dry
3. Evening
  6 PM–midnight
  Clear, 66°19°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 55°13°
  Dry
Official NWS forecast
Day: Sunny, with a high near 74. Northwest wind 0 to 10 mph.
Night: Mostly clear, with a low around 58. South wind 0 to 5 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
72°22°–74°23°
Low, likely
50°10°–58°14°
Typical high / low
80°27° / 55°13°
Wind
9 mph14 km/h, gusts 19 mph30 km/h
UV peak
6
Sunday, Oct 25. Mostly sunny. High 78°26°, low 59°15°. Typical 79°26° / 55°13°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 57°14°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 77°25°
  Dry
3. Evening
  6 PM–midnight
  Mostly clear, 66°19°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 55°13°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 78.
Night: Mostly clear, with a low around 59.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
75°24°–78°26°
Low, likely
49°9°–59°15°
Typical high / low
79°26° / 55°13°
Wind
11 mph18 km/h, gusts 22 mph36 km/h
UV peak
6
Monday, Oct 26. Mostly sunny. High 79°26°, low 57°14°. Typical 79°26° / 55°13°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 58°14°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 78°26°
  Dry
3. Evening
  6 PM–midnight
  Clear, 65°19°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 54°12°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 79.
Night: Mostly clear, with a low around 57.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
76°24°–79°26°
Low, likely
49°9°–59°15°
Typical high / low
79°26° / 55°13°
Wind
10 mph15 km/h, gusts 20 mph32 km/h
UV peak
5
Tuesday, Oct 27. Partly sunny. High 77°25°, low 57°14°. Typical 79°26° / 55°13°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 55°13°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 74°24°
  Dry
3. Evening
  6 PM–midnight
  Clear, 62°17°
  Dry
4. Overnight
  midnight–6 AM
  Mostly clear, 52°11°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 77.
Night: Partly cloudy, with a low around 57.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
73°23°–77°25°
Low, likely
47°8°–59°15°
Typical high / low
79°26° / 55°13°
Wind
9 mph14 km/h, gusts 18 mph29 km/h
UV peak
5
Wednesday, Oct 28. Mostly cloudy. High 74°23°, low 58°14°. Typical 79°26° / 54°12°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 54°12°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 73°23°
  Dry
3. Evening
  6 PM–midnight
  Mostly clear, 62°17°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 54°12°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Partly sunny, with a high near 74.
Night: Mostly cloudy, with a low around 58.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
71°22°–74°23°
Low, likely
46°8°–58°14°
Typical high / low
79°26° / 54°12°
Wind
9 mph14 km/h, gusts 18 mph28 km/h
UV peak
5
Thursday, Oct 29. Mostly cloudy. High 72°22°, low 55°13°. Typical 79°26° / 54°12°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 58°15°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 72°22°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 64°18°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 60°15°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Partly sunny, with a high near 72.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
69°21°–73°23°
Low, likely
50°10°–59°15°
Typical high / low
79°26° / 54°12°
Wind
9 mph14 km/h, gusts 18 mph29 km/h
UV peak
5
Friday, Oct 30. Cloudy. High 71°22°, low 59°15°. Typical 79°26° / 54°12°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Partly sunny, 61°16°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 72°22°
  Dry
3. Evening
  6 PM–midnight
  Mostly clear, 64°18°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 60°15°
  20% chance
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
68°20°–73°23°
Low, likely
53°12°–64°18°
Typical high / low
79°26° / 54°12°
Wind
9 mph15 km/h, gusts 20 mph32 km/h
UV peak
5
Saturday, Oct 31. Drizzle. High 67°19°, low 59°15°. Typical 78°26° / 54°12°. Rain 0.62 in16 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 62°17°
  30% chance
2. Afternoon
  noon–6 PM
  Cloudy, 67°19°
  30% chance · 0.14 in3.4 mm
3. Evening
  6 PM–midnight
  Drizzle, 65°18°
  30% chance · 0.56 in14 mm
4. Overnight
  midnight–6 AM
  Drizzle, 64°18°
  40% chance · 0.33 in8.4 mm
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
63°17°–72°22°
Low, likely
57°14°–62°17°
Typical high / low
78°26° / 54°12°
Wind
10 mph15 km/h, gusts 21 mph33 km/h
UV peak
1
Sunday, Nov 1. Drizzle. High 70°21°, low 60°16°. Typical 78°26° / 53°12°. Rain 0.71 in18 mm, 50% chance. Forecasts agree.
1. Morning
  6 AM–noon
  Drizzle, 66°19°
  50% chance · 0.22 in5.5 mm
2. Afternoon
  noon–6 PM
  Drizzle, 70°21°
  40% chance · 0.37 in9.3 mm
3. Evening
  6 PM–midnight
  Drizzle, 66°19°
  40% chance · 0.08 in2 mm
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
69°21°–71°22°
Low, likely
57°14°–64°18°
Typical high / low
78°26° / 53°12°
Wind
23 mph37 km/h, gusts 29 mph47 km/h
UV peak
5

10 days15 days30 days

The outlook

Today
Dry, high 69°, low 57°.
Tomorrow
Dry, high 74°, low 58°, warming up.
Sunday
Dry, high 78°, low 59°, warming up.
Rest of week
Highs 67–79°; chance of precipitation on Sunday.

Want the meteorologists’ reasoning? Read the NWS forecast discussion (SGX) (opens in a new tab)

What changed since yesterday

No meaningful changes from yesterday’s forecast.

Radar

Radar data: NOAA MRMS, rendered by forecast.blue

Radar loads when scrolled into view

Full-screen radar

Rivers

NOAA river gauges within 25 mi

San Luis Rey River at Oceanside

11 mi

Below flood stage

Level: 5.6 ft
Flow: 1 cfs

Forecast peak 6.3 ft Fri 7 PM

Reading from Fri 4:30 AM · NWS gauge page

Santa Margarita River at Ysidora

15 mi

Below flood stage

Level: 7.1 ft

Forecast peak 7.8 ft Fri 6 AM

Reading from Fri 4:15 AM · NWS gauge page

San Diego River at Fashion Valley

25 mi

Below flood stage

Level: 3.2 ft
Flow: 39 cfs

Forecast peak 4.7 ft Fri 4 PM

Reading from Fri 4:15 AM · NWS gauge page

San Diego River at Mast Nr Santee

22 mi

Level: 2.3 ft
Flow: 14 cfs

Reading from Fri 4:15 AM · NWS gauge page

For your home

What this week’s weather means for heating, cooling, pipes and fresh air.

Heating this week

This week 6Typical 0

Heating degree days, base 65°F

Comfort

Comfortable, non-humid air (dew point 57°F).

Open the windows?

Today, 3:00 PM–9:00 PM

Good stretch to open the windows.

Is this typical?

Escondido No. 2 · official normals 1991–2020 · records 1893–2026

Oct 23, today vs a typical year

Today’s expected high is 11°6° colder than typical.

Last 7 days vs normal

—SatOct 17
—SunOct 18
—MonOct 19
—TueOct 20
—WedOct 21
—ThuOct 22
—FriOct 23

Lake San Marcos weather by month: normals, records, snow and freeze dates

Sun & moon

Sun

Daylight: 11 h 6 min; Losing 1 min 53 s a day; shortest Dec 21, 1 h 9 min less
Golden hour: 5:32–6:21 PM; Morning 6:44–7:33 AM
Blue hour: 6:21–6:31 PM; Morning 6:34–6:44 AM; first light 6:34 AM

Stars tonight? Poor

Clouds most of the night (about 72% cover).

Moon

Waxing gibbous

91% lit · growing

Today: sets 4:19 AM · rises 4:34 PM
Full moon: Oct 25
New moon: Nov 8

Looking northeast from Lake San Marcos. The highest point on the skyline is about 15,800 ft, 52 mi away.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.

Lake San Marcos, CA weather

Next 2 hours

Next 48 hours

Days ahead

The outlook

Today

Tomorrow

Sunday

Rest of week

What changed since yesterday

Radar

Rivers

San Luis Rey River at Oceanside

Santa Margarita River at Ysidora

San Diego River at Fashion Valley

San Diego River at Mast Nr Santee

For your home

Heating this week

Comfort

Open the windows?

Is this typical?

Oct 23, today vs a typical year

Last 7 days vs normal

Sun & moon

Sun

Stars tonight? Poor

Moon