Observed 3:55 AM PDT at KHAF

Pacifica, CA weather

Overcast and 57°14°, 9°5° colder than a typical Oct 23.

Mostly agree

Now 57°14°

Cloudy

Wind: 5 mph8 km/h; From the north. 58–9 mph14 km/h through 4 PM
Dew point: 57°14°; A little sticky
Humidity: 100%; Air 57°14°, dew point 57°14° · fog or dew likely
UV index: 0Low; Moderate 12–4 PM · peak 4
Air quality: 28Good; PM2.5 (fine particles) · tomorrow moderate
Pressure: 30 inHg1016 hPa; Rising slowly · +0.02 inHg+0.8 hPa in 3 h

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

About the same as this time yesterday (59°15° then, 57°14° now)

Good hours for

Low 54°12° today at 6 AM
High 61°16° today at 3 PM

TonightNear 55°13° · Partly cloudy
This morningNear 55°13° · Partly cloudy
This afternoonNear 59°15° · Partly cloudy
TonightDown to 52°11° by 5 AM · Clear
Tomorrow morningUp to 59°15° by 11 AM · Clear
Tomorrow afternoonNear 62°17° · Clear
Tomorrow nightDown to 52°11° 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 4a	Partly cloudy	55°13° (likely 55°13° to 57°14°)	55°13°	0%	6 mph10 km/h from WNW, gusts 6 mph10 km/h	90%	62%	0
Fri 5a	Mostly cloudy	55°13° (likely 54°12° to 57°14°)	55°13°	0%	5 mph8 km/h from WNW, gusts 5 mph8 km/h	90%	41%	0
Fri 6a	Clear	54°12° (likely 53°12° to 57°14°)	54°12°	0%	5 mph8 km/h from NNW, gusts 4 mph6 km/h	91%	33%	0
Fri 7a	Partly sunny	54°12° (likely 52°11° to 56°13°)	54°12°	0%	5 mph8 km/h from N, gusts 3 mph4 km/h	91%	34%	0
Fri 8a	Sunny	54°12° (likely 52°11° to 57°14°)	54°12°	0%	5 mph8 km/h from NNE, gusts 3 mph5 km/h	94%	37%	0
Fri 9a	Partly sunny	54°12° (likely 54°12° to 57°14°)	54°12°	0%	6 mph10 km/h from NE, gusts 4 mph7 km/h	95%	44%	0
Fri 10a	Partly sunny	55°13° (likely 55°13° to 59°15°)	55°13°	0%	7 mph11 km/h from NNE, gusts 8 mph12 km/h	100%	53%	1
Fri 11a	Sunny	56°13° (likely 56°13° to 61°16°)	56°13°	0%	8 mph13 km/h from NNE, gusts 10 mph16 km/h	99%	48%	2
Fri 12p	Partly sunny	58°14° (likely 58°14° to 63°17°)	59°15°	0%	8 mph13 km/h from N, gusts 12 mph19 km/h	96%	48%	3
Fri 1p	Mostly sunny	59°15° (likely 59°15° to 64°18°)	59°15°	0%	8 mph13 km/h from N, gusts 12 mph19 km/h	92%	39%	4
Fri 2p	Mostly sunny	60°16° (likely 60°16° to 66°19°)	60°16°	0%	8 mph13 km/h from NNW, gusts 12 mph19 km/h	90%	30%	4
Fri 3p	Mostly sunny	61°16° (likely 61°16° to 66°19°)	61°16°	0%	9 mph14 km/h from NW, gusts 12 mph19 km/h	89%	22%	3
Fri 4p	Sunny	60°16° (likely 60°16° to 65°18°)	60°16°	0%	9 mph14 km/h from NW, gusts 13 mph21 km/h	79%	9%	2
Fri 5p	Sunny	60°16° (likely 60°16° to 64°18°)	60°16°	0%	10 mph16 km/h from WNW, gusts 13 mph20 km/h	79%	7%	2
Fri 6p	Clear	59°15° (likely 58°14° to 62°17°)	59°15°	0%	9 mph14 km/h from WNW, gusts 14 mph22 km/h	79%	0%	1
Fri 7p	Clear	58°14° (likely 57°14° to 60°16°)	58°14°	0%	9 mph14 km/h from WNW, gusts 13 mph20 km/h	79%	0%	0
Fri 8p	Clear	57°14° (likely 56°13° to 59°15°)	57°14°	0%	8 mph13 km/h from NW, gusts 12 mph19 km/h	79%	0%	0
Fri 9p	Clear	56°13° (likely 55°13° to 58°14°)	56°13°	0%	7 mph11 km/h from NW, gusts 9 mph15 km/h	79%	0%	0
Fri 10p	Clear	56°13° (likely 54°12° to 58°14°)	56°13°	0%	6 mph10 km/h from WNW, gusts 7 mph12 km/h	79%	0%	0
Fri 11p	Clear	56°13° (likely 54°12° to 57°14°)	56°13°	0%	5 mph8 km/h from WNW, gusts 6 mph10 km/h	79%	0%	0
Sat 12a	Clear	56°13° (likely 54°12° to 57°14°)	56°13°	0%	5 mph8 km/h from WNW, gusts 5 mph9 km/h	78%	0%	0
Sat 1a	Clear	55°13° (likely 54°12° to 56°13°)	55°13°	0%	5 mph8 km/h from NW, gusts 6 mph9 km/h	79%	0%	0
Sat 2a	Clear	54°12° (likely 54°12° to 56°13°)	54°12°	0%	3 mph5 km/h from N, gusts 6 mph9 km/h	79%	0%	0
Sat 3a	Clear	54°12° (likely 53°12° to 56°13°)	54°12°	0%	2 mph3 km/h from NE, gusts 6 mph9 km/h	76%	1%	0
Sat 4a	Clear	53°12° (likely 52°11° to 56°13°)	53°12°	0%	2 mph3 km/h from NE, gusts 4 mph6 km/h	77%	1%	0
Sat 5a	Clear	52°11° (likely 52°11° to 56°13°)	52°11°	0%	3 mph5 km/h from E, gusts 4 mph7 km/h	76%	2%	0
Sat 6a	Clear	52°11° (likely 52°11° to 55°13°)	52°11°	0%	3 mph5 km/h from E, gusts 5 mph7 km/h	75%	2%	0
Sat 7a	Sunny	52°11° (likely 52°11° to 55°13°)	52°11°	0%	3 mph5 km/h from E, gusts 4 mph7 km/h	73%	1%	0
Sat 8a	Sunny	51°11° (likely 51°11° to 55°13°)	51°11°	0%	6 mph10 km/h from E, gusts 4 mph6 km/h	74%	1%	0
Sat 9a	Sunny	53°12° (likely 53°12° to 57°14°)	53°12°	0%	6 mph10 km/h from E, gusts 5 mph7 km/h	74%	1%	1
Sat 10a	Sunny	56°13° (likely 56°13° to 63°17°)	56°13°	0%	6 mph10 km/h from E, gusts 3 mph5 km/h	66%	0%	2
Sat 11a	Sunny	59°15° (likely 59°15° to 64°18°)	59°15°	0%	6 mph10 km/h from NE, gusts 5 mph7 km/h	56%	0%	3
Sat 12p	Sunny	62°17° (likely 62°17° to 66°19°)	62°17°	0%	6 mph10 km/h from NE, gusts 5 mph8 km/h	56%	0%	4
Sat 1p	Sunny	63°17° (likely 63°17° to 67°19°)	63°17°	0%	6 mph10 km/h from NE, gusts 5 mph8 km/h	56%	1%	5
Sat 2p	Sunny	63°17° (likely 63°17° to 67°19°)	63°17°	0%	5 mph8 km/h from NNW, gusts 6 mph9 km/h	57%	1%	5
Sat 3p	Mostly sunny	64°18° (likely 64°18° to 67°19°)	64°18°	0%	5 mph8 km/h from NNW, gusts 6 mph10 km/h	62%	16%	4
Sat 4p	Sunny	63°17° (likely 63°17° to 66°19°)	63°17°	0%	5 mph8 km/h from NNW, gusts 8 mph13 km/h	62%	40%	3
Sat 5p	Sunny	62°17° (likely 62°17° to 65°18°)	63°17°	0%	5 mph8 km/h from WNW, gusts 10 mph15 km/h	65%	39%	2
Sat 6p	Clear	61°16° (likely 60°16° to 63°17°)	61°16°	0%	5 mph8 km/h from WNW, gusts 9 mph15 km/h	72%	2%	1
Sat 7p	Clear	59°15° (likely 58°14° to 60°16°)	59°15°	0%	5 mph8 km/h from WNW, gusts 7 mph12 km/h	77%	0%	0
Sat 8p	Clear	57°14° (likely 57°14° to 59°15°)	57°14°	0%	3 mph5 km/h from WNW, gusts 7 mph11 km/h	81%	13%	0
Sat 9p	Mostly clear	55°13° (likely 55°13° to 58°14°)	55°13°	0%	3 mph5 km/h from WNW, gusts 6 mph10 km/h	82%	51%	0
Sat 10p	Cloudy	54°12° (likely 54°12° to 57°14°)	55°13°	0%	3 mph5 km/h from WNW, gusts 6 mph9 km/h	81%	46%	0
Sat 11p	Mostly clear	54°12° (likely 53°12° to 57°14°)	54°12°	0%	0 mph0 km/h, gusts 5 mph8 km/h	80%	32%	0
Sun 12a	Clear	53°12° (likely 52°11° to 58°14°)	53°12°	0%	0 mph0 km/h, gusts 4 mph6 km/h	81%	24%	0
Sun 1a	Clear	53°12° (likely 52°11° to 58°14°)	53°12°	0%	0 mph0 km/h, gusts 3 mph5 km/h	81%	24%	0
Sun 2a	Clear	52°11° (likely 52°11° to 57°14°)	52°11°	0%	1 mph2 km/h from N, gusts 3 mph4 km/h	82%	24%	0
Sun 3a	Clear	52°11° (likely 51°11° to 57°14°)	52°11°	0%	1 mph2 km/h from N, gusts 2 mph3 km/h	84%	24%	0

Days ahead

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

Today, Oct 23. Cloudy. High 62°17°, low 53°12°. Typical 71°22° / 52°11°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Partly sunny, 54°12°
  Dry
2. Afternoon
  noon–6 PM
  Mostly sunny, 61°16°
  Dry
3. Evening
  6 PM–midnight
  Clear, 57°14°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 52°11°
  Dry
Official NWS forecast
Today: Mostly sunny. High near 62, with temperatures falling to around 60 in the afternoon. North wind 5 to 10 mph.
Tonight: Mostly cloudy. Low around 53, with temperatures rising to around 55 overnight. West northwest wind around 6 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
62°17°–66°19°
Low, likely
52°11°–57°14°
Typical high / low
71°22° / 52°11°
Wind
10 mph17 km/h, gusts 19 mph31 km/h
UV peak
5
Tomorrow, Oct 24. Cloudy. High 65°18°, low 51°11°. Typical 71°22° / 52°11°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 51°11°
  Dry
2. Afternoon
  noon–6 PM
  Mostly sunny, 64°18°
  Dry
3. Evening
  6 PM–midnight
  Mostly clear, 57°14°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 52°11°
  Dry
Official NWS forecast
Day: Sunny, with a high near 65. North wind around 6 mph.
Night: Partly cloudy, with a low around 51. North northwest wind 0 to 5 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
65°18°–68°20°
Low, likely
51°11°–55°13°
Typical high / low
71°22° / 52°11°
Wind
6 mph10 km/h
UV peak
5
Sunday, Oct 25. Partly sunny. High 64°18°, low 53°12°. Typical 71°22° / 52°11°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 52°11°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 66°19°
  Dry
3. Evening
  6 PM–midnight
  Clear, 57°14°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 54°12°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 64.
Night: Partly cloudy, with a low around 53.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
63°17°–69°21°
Low, likely
50°10°–56°13°
Typical high / low
71°22° / 52°11°
Wind
6 mph10 km/h, gusts 13 mph22 km/h
UV peak
4
Monday, Oct 26. Partly sunny. High 61°16°, low 52°11°. Typical 70°21° / 52°11°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 54°12°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 64°18°
  Dry
3. Evening
  6 PM–midnight
  Clear, 57°14°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 53°12°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 61.
Night: Partly cloudy, with a low around 52.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
61°16°–65°18°
Low, likely
51°11°–57°14°
Typical high / low
70°21° / 52°11°
Wind
11 mph18 km/h, gusts 22 mph35 km/h
UV peak
4
Tuesday, Oct 27. Partly sunny. High 60°16°, low 52°11°. Typical 70°21° / 52°11°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Mostly sunny, 53°11°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 63°17°
  Dry
3. Evening
  6 PM–midnight
  Mostly clear, 57°14°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 52°11°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 60.
Night: Mostly cloudy, with a low around 52.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
60°16°–64°18°
Low, likely
50°10°–55°13°
Typical high / low
70°21° / 52°11°
Wind
10 mph16 km/h, gusts 18 mph28 km/h
UV peak
5
Wednesday, Oct 28. Cloudy. High 60°16°, low 53°12°. Typical 70°21° / 52°11°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 52°11°
  Dry
2. Afternoon
  noon–6 PM
  Partly sunny, 63°17°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 57°14°
  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 60.
Night: Mostly cloudy, with a low around 53.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
60°16°–65°18°
Low, likely
49°9°–54°12°
Typical high / low
70°21° / 52°11°
Wind
8 mph13 km/h
UV peak
4
Thursday, Oct 29. Cloudy. High 59°15°, low 54°12°. Typical 70°21° / 52°11°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 55°13°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 60°16°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 58°14°
  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 59.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
59°15°–62°17°
Low, likely
52°11°–56°13°
Typical high / low
70°21° / 52°11°
Wind
9 mph14 km/h
Friday, Oct 30. Cloudy. High 63°17°, low 54°12°. Typical 69°21° / 51°11°. Rain 0.06 in1.5 mm, 30% chance. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 55°13°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 64°18°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 59°15°
  30% chance
4. Overnight
  midnight–6 AM
  Cloudy, 55°13°
  30% 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
60°16°–66°19°
Low, likely
51°11°–55°13°
Typical high / low
69°21° / 51°11°
Wind
9 mph14 km/h, gusts 16 mph25 km/h
UV peak
4
Saturday, Oct 31. Drizzle. High 62°17°, low 54°12°. Typical 69°21° / 51°11°. Rain 0.29 in7.4 mm, 30% chance. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 56°13°
  30% chance · 0.24 in6.2 mm
2. Afternoon
  noon–6 PM
  Cloudy, 62°17°
  30% chance · 0.02 in0.5 mm
3. Evening
  6 PM–midnight
  Drizzle, 60°15°
  30% chance · 0.07 in1.8 mm
4. Overnight
  midnight–6 AM
  Drizzle, 56°14°
  30% chance · 0.22 in5.5 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.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
58°14°–64°18°
Low, likely
54°12°–55°13°
Typical high / low
69°21° / 51°11°
Wind
9 mph14 km/h
UV peak
3
Sunday, Nov 1. Showers. High 61°16°, low 56°13°. Typical 69°21° / 51°11°. Rain 0.71 in18 mm, 30% chance. Forecasts agree.
1. Morning
  6 AM–noon
  Drizzle, 56°14°
  30% chance · 0.31 in7.9 mm
2. Afternoon
  noon–6 PM
  Drizzle, 61°16°
  30% chance · 0.05 in1.2 mm
3. Evening
  6 PM–midnight
  Showers, 59°15°
  20% chance · 0.19 in4.9 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
60°16°–62°17°
Low, likely
55°13°–59°15°
Typical high / low
69°21° / 51°11°
Wind
11 mph18 km/h, gusts 33 mph54 km/h
UV peak
1

10 days15 days30 days

The outlook

Today
Dry, high 62°, low 53°.
Tomorrow
Dry, high 65°, low 51°, warming up.
Sunday
Dry, high 64°, low 53°.
Rest of week
Mostly dry, highs 59–63°.

Want the meteorologists’ reasoning? Read the NWS forecast discussion (MTR) (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

Green Hills Creek at Green Hill Country Club

3.7 mi

Level: 0.1 ft

Reading from Fri 1:18 AM · NWS gauge page

San Andreas Lake near Millbrae

3.9 mi

Level: 447 ft
Flow: 16,600 cfs

Reading from Fri 2:45 AM · NWS gauge page

El Zanjon Creek at First Avenue

4.0 mi

Level: 0.1 ft

Reading from Thu 11:03 PM · NWS gauge page

Colma Creek at South San Francisco

4.3 mi

Level: 0.0 ft

Reading from Fri 3:04 AM · NWS gauge page

For your home

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

Heating this week

About 37% less heating than a typical week.

This week 17Typical 27

Heating degree days, base 65°F

Comfort

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

Open the windows?

Today, 2:00 PM–5:00 PM

Good stretch to open the windows.

Is this typical?

San Francisco International Airport · official normals 1991–2020 · records 1945–2026

Oct 23, today vs a typical year

Today’s expected high is 9°5° colder than typical.

Last 7 days vs normal

On average 1° warmer than normal (daily mean temperature).

+9°+5°SatOct 17
−1°SunOct 18
−2°−1°MonOct 19
−1°TueOct 20
±0°WedOct 21
—ThuOct 22
—FriOct 23

Pacifica weather by month: normals, records, snow and freeze dates

Sun & moon

Sun

Daylight: 10 h 56 min; Losing 2 min 11 s a day; shortest Dec 21, 1 h 22 min less
Golden hour: 5:45–6:38 PM; Morning 7:09–8:02 AM
Blue hour: 6:38–6:48 PM; Morning 6:59–7:09 AM; first light 6:59 AM

Stars tonight? Poor

Clouds most of the night (about 45% cover).

Moon

Waxing gibbous

91% lit · growing

Today: sets 4:42 AM · rises 4:53 PM
Full moon: Oct 25
New moon: Nov 8

Looking west from Pacifica. The highest point on the skyline is about 2,500 ft, 23 mi away.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.