San Francisco, California

Last updated: 5:46 PM CDT  ·  Refresh
19°C
Feels like 19°
Clear
▲ 21°  /  ▼ 12°
Wind
7 mph WNW
Humidity
69%
Dew Point
14°
Pressure
30.01 inHg
Visibility
9 mi
UV Index
3.8
Cloud Cover
2%
Sunrise
6:43 AM
Sunset
5:01 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: San Francisco is currently clear at 20°C. Dry conditions are expected through the next 24 hours. Sunrise: 6:43AM · Sunset: 5:01PM.

Alerts

No active alerts for this location.
29 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
19°
0%
4 PM
20°
0%
5 PM
19°
0%
6 PM
18°
0%
7 PM
18°
0%
8 PM
17°
0%
9 PM
16°
0%
10 PM
16°
0%
11 PM
16°
0%
12 AM
14°
0%
1 AM
14°
0%
2 AM
14°
0%
3 AM
13°
0%
4 AM
12°
0%
5 AM
12°
0%
6 AM
12°
0%
7 AM
12°
0%
8 AM
13°
0%
9 AM
14°
0%
10 AM
16°
0%
11 AM
17°
0%
12 PM
19°
0%
1 PM
19°
0%
2 PM
20°
0%
7-Day Forecast
Today
21° 12°
Clear.
Wed
23° 12°
Mostly Clear.
Thu
21° 13°
Mostly Cloudy.
Fri
18° 13°
Rain, 76% chance.
Sat
18° 12°
Partly Cloudy with a 31% chance of rain.
Sun
18° 12°
Overcast with a 59% chance of rain.
Mon
17° 11°
Partly Cloudy with a 38% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 19° Clear 0% 7 mph WNW 69%
4 PM 20° Clear 0% 7 mph W 75%
5 PM 19° Clear 0% 7 mph W 81%
6 PM 18° Clear 0% 7 mph WNW 84%
7 PM 18° Clear 0% 5 mph WNW 86%
8 PM 17° Clear 0% 4 mph W 87%
9 PM 16° Clear 0% 3 mph W 87%
10 PM 16° Clear 0% 3 mph W 89%
11 PM 16° Mostly Clear 0% 2 mph W 90%
12 AM 14° Mostly Clear 0% 2 mph W 90%
1 AM 14° Mostly Clear 0% 2 mph SE 91%
2 AM 14° Partly Cloudy 0% 3 mph ESE 91%
3 AM 13° Partly Cloudy 0% 3 mph ESE 91%
4 AM 12° Partly Cloudy 0% 3 mph ESE 92%
5 AM 12° Mostly Cloudy 0% 3 mph E 93%
6 AM 12° Mostly Cloudy 0% 3 mph ENE 94%
7 AM 12° Mostly Cloudy 0% 4 mph NE 94%
8 AM 13° Partly Cloudy 0% 4 mph NE 92%
9 AM 14° Partly Cloudy 0% 5 mph NNE 88%
10 AM 16° Partly Cloudy 0% 4 mph NNE 84%
11 AM 17° Mostly Clear 0% 4 mph N 79%
12 PM 19° Mostly Clear 0% 3 mph N 75%
1 PM 19° Mostly Clear 0% 3 mph NNW 71%
2 PM 20° Mostly Clear 0% 3 mph NNW 69%
15-Day Forecast
Today
11/10
Clear
0%
12°
21°
Wed
11/11
Mostly Clear
0%
12°
23°
Thu
11/12
Mostly Cloudy
15%
13°
21°
Fri
11/13
Rain
76%
13°
18°
Sat
11/14
Partly Cloudy
31%
12°
18°
Sun
11/15
Overcast
59%
12°
18°
Mon
11/16
Partly Cloudy
38%
11°
17°
Tue
11/17
Partly Cloudy
39%
9°
17°
Wed
11/18
Mostly Cloudy
62%
11°
16°
Thu
11/19
Partly Cloudy
41%
9°
16°
Fri
11/20
Partly Cloudy
7%
9°
16°
Sat
11/21
Mostly Cloudy
74%
8°
16°
Sun
11/22
Drizzle
83%
9°
16°
Mon
11/23
Drizzle
82%
10°
17°
Tue
11/24
Drizzle
73%
10°
17°
29
Good
U.S. Air Quality Index · Dominant: PM2.5
50 100 150 200

Air quality is satisfactory and poses little or no health risk.

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
Dominant
29 AQI 5.3 µg/m³
O3
Ground-level ozone
19 AQI 20 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Wed 29 Good 19 29
Thu 51 Moderate 17 51
Fri 62 Moderate 22 62
About the Air Quality Index
0–50 Good
51–100 Moderate
101–150 Unhealthy for Sensitive Groups
151–200 Unhealthy
201–300 Very Unhealthy
301–500 Hazardous

The U.S. AQI runs 0–500. The overall value equals the highest individual pollutant sub-index, and the dominant pollutant is the one driving it. PM2.5 (fine particles) is reported in µg/m³ and ozone (O3) in ppb. Forecast source: NWS NAQFC.

1000850700500400300250200150100 -40-30-20-10010203040 0.41247101624 LCL0°C Temperature (°C) Pressure (hPa)
Temp Dewpoint Parcel (SB) CAPE CIN Dry adiabat Moist adiabat Mixing ratio
RAP
Valid Tue Nov 10, 22:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 60 70 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE0 J/kg
MLCAPE14 J/kg
MUCAPE0 J/kg
SBCIN—
MLCIN0 J/kg
Lifted Index2.2
Kinematics
0–6 km Shear6 kt
0–1 km Shear8 kt
Eff. Shear—
0–1 km SRH8
0–3 km SRH3
Eff. SRH—
Storm Motion97° @ 13 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index-7.0
Thermo & Levels
PWAT0.58 in
0–3 km LR3.9 °C/km
700–500 LR8.0 °C/km
Total Totals36.3
LCL936 hPa
LFC—
EL—
Freezing Lvl13,294 ft