National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Weather observations for the past three days for
San Francisco, San Francisco International Airport
Metric (Imperial)
Date Time (pst) Wind (kph) Vis. (km) Weather Sky Cond. Temperature (ºC) Relative Humidity Wind Chill (°C) Heat Index (°C) Pressure Precipitation (cm)
Air Dwpt 6 hour altimeter (cm) sea level (mb) 1 hr 3 hr 6 hr
Max. Min.
21 11:56 NE 6 16.09 A Few Clouds FEW250 16.1 6.7 54% 76.25 1016.4
21 10:56 SW 6 16.09 A Few Clouds FEW016 16.1 5.6 50% 76.25 1016.4
21 09:56 S 6 16.09 A Few Clouds FEW120 13.9 8.9 13.9 8.3 72% 76.25 1016.6
21 08:56 SE 11 16.09 A Few Clouds FEW250 12.2 8.9 80% 76.2 1016.0
21 07:56 S 13 16.09 A Few Clouds FEW250 10.6 8.3 86% 76.15 1015.2
21 06:56 S 9 16.09 A Few Clouds FEW060 8.9 7.8 93% 8 76.15 1015.2
21 05:56 S 7 16.09 Fair CLR 8.9 7.8 93% 8 76.17 1015.5
21 04:56 SW 7 16.09 Fair CLR 8.9 6.7 86% 8 76.15 1015.0
21 03:56 Calm 16.09 A Few Clouds FEW041 11.1 7.8 12.2 8.9 80% 76.12 1014.9
21 02:56 W 6 16.09 Partly Cloudy SCT055 9.4 7.8 90% 76.07 1014.2
21 00:56 NW 7 16.09 A Few Clouds FEW065 12.2 8.9 80% 76.07 1014.2
20 23:56 NW 6 16.09 Partly Cloudy SCT065 11.7 8.9 83% 76.05 1013.9
20 22:56 Calm 16.09 Mostly Cloudy SCT070 BKN150 12.2 8.9 80% 76.05 1013.9
20 21:56 NW 9 16.09 Mostly Cloudy SCT070 BKN150 11.7 8.9 13.9 11.7 83% 76.07 1014.3
20 20:56 W 11 16.09 A Few Clouds FEW040 FEW150 12.2 8.9 80% 76.07 1014.2
20 19:56 W 15 16.09 Partly Cloudy FEW025 FEW048 SCT150 12.2 8.9 80% 76.07 1014.1
20 18:56 NW 17 16.09 Mostly Cloudy FEW025 BKN045 BKN065 12.8 9.4 80% 76.1 1014.5
20 17:56 W 13 16.09 Mostly Cloudy FEW025 FEW047 SCT150 BKN180 12.8 8.9 77% 76.1 1014.4
20 16:56 W 22 16.09 Mostly Cloudy FEW025 FEW047 SCT150 BKN180 13.3 8.9 75% 76.07 1014.2
20 15:56 NW 19 16.09 Mostly Cloudy FEW025 BKN047 BKN180 13.9 8.9 15.6 12.2 72% 76.1 1014.6
20 14:56 NW 20 G 35 16.09 Mostly Cloudy FEW025 BKN034 BKN200 15 8.9 67% 76.12 1014.9
20 13:56 NW 13 16.09 Mostly Cloudy FEW009 SCT035 BKN200 15.6 8.3 62% 76.12 1015.0
20 12:56 W 28 G 35 16.09 Mostly Cloudy FEW009 SCT022 BKN038 15 9.4 69% 76.2 1015.7
20 11:56 W 26 16.09 Overcast FEW006 BKN017 OVC032 13.3 9.4 77% 76.25 1016.4
20 10:56 NW 15 16.09 Mostly Cloudy FEW006 SCT012 BKN018 12.8 10 83% 76.28 1016.9
20 09:56 W 6 16.09 Mostly Cloudy SCT006 BKN016 BKN026 12.2 10 12.8 10.6 87% 76.3 1017.2 0.25
20 08:56 Calm 4.02 Light Rain Fog/Mist FEW006 SCT025 OVC035 11.1 10 93% 76.3 1017.1
20 07:56 Calm 16.09 Overcast FEW006 OVC035 11.1 9.4 89% 76.28 1016.8
20 06:56 S 7 16.09 Overcast FEW005 SCT025 OVC055 10.6 9.4 92% 76.23 1016.1 0.25
20 05:56 SE 7 12.87 Light Rain FEW006 SCT043 OVC047 10.6 9.4 92% 76.23 1016.0 0.1
20 03:56 SE 7 6.44 Light Rain Fog/Mist FEW010 SCT028 OVC030 10.6 9.4 13.3 10.6 92% 76.23 1016.1 0.1 0.33
20 02:56 SE 7 11.27 Light Rain FEW018 OVC038 11.7 9.4 86% 76.2 1016.0 0.1
20 01:56 S 7 14.48 Overcast FEW042 BKN070 OVC085 11.7 9.4 86% 76.2 1015.8 0.13
20 00:56 S 6 14.48 Light Rain FEW025 SCT035 OVC060 12.8 8.9 77% 76.23 1016.3
19 23:56 S 9 16.09 Overcast FEW015 SCT050 OVC065 12.8 9.4 80% 76.23 1016.3
19 22:56 S 7 16.09 Overcast FEW015 SCT060 OVC080 12.8 9.4 80% 76.23 1016.1
19 21:56 SW 7 16.09 Light Rain FEW015 SCT080 BKN100 13.3 8.9 13.9 12.8 75% 76.25 1016.5
19 20:56 SW 9 16.09 Mostly Cloudy FEW023 SCT043 BKN120 13.3 8.9 75% 76.25 1016.5
19 19:56 W 19 16.09 Overcast FEW023 BKN046 OVC150 13.3 8.3 72% 76.3 1017.1
19 18:56 SE 19 16.09 Mostly Cloudy SCT040 BKN150 13.3 8.9 75% 76.12 1015.0
19 17:56 S 9 16.09 Overcast OVC039 13.9 8.9 72% 76.23 1016.3
19 16:56 S 9 16.09 Overcast FEW015 BKN038 OVC100 13.3 8.9 75% 76.23 1016.3
19 15:56 SW 9 16.09 Overcast FEW015 BKN039 OVC100 13.3 8.3 15 13.3 72% 76.28 1016.8
19 14:56 SW 11 16.09 Overcast FEW017 BKN039 OVC100 13.9 8.3 69% 76.25 1016.5
19 13:56 SW 17 16.09 Overcast FEW012 BKN033 OVC110 13.9 9.4 74% 76.28 1016.9
19 12:56 SW 15 16.09 Mostly Cloudy FEW012 BKN037 14.4 8.3 67% 76.3 1017.3
19 11:56 S 13 16.09 Mostly Cloudy FEW012 BKN027 15 8.3 64% 76.35 1017.7
19 10:56 SE 15 16.09 Mostly Cloudy BKN041 14.4 9.4 72% 76.38 1018.2
19 09:56 SE 13 16.09 Mostly Cloudy BKN039 13.9 8.9 13.9 11.7 72% 76.38 1018.3
19 08:56 S 15 16.09 Mostly Cloudy BKN036 12.8 8.3 74% 76.38 1018.3
19 07:56 SE 13 16.09 Overcast OVC031 12.2 8.9 80% 76.38 1018.1
19 06:56 SE 15 16.09 Overcast OVC032 11.7 8.9 83% 76.33 1017.5
19 05:56 SE 7 16.09 Overcast FEW016 OVC029 12.2 8.3 77% 76.28 1016.8
19 04:56 SE 11 16.09 Overcast FEW014 OVC031 12.2 8.3 77% 76.28 1016.7
19 03:56 SE 11 16.09 Overcast FEW014 OVC028 12.2 9.4 12.8 11.1 83% 76.25 1016.6
19 02:56 SE 15 16.09 Mostly Cloudy FEW016 BKN027 12.2 9.4 83% 76.25 1016.6
19 01:56 Calm 16.09 Mostly Cloudy FEW016 BKN027 12.2 9.4 83% 76.28 1016.8
19 00:56 S 9 16.09 Mostly Cloudy FEW012 BKN027 12.2 9.4 83% 76.25 1016.6
18 23:56 S 9 16.09 Mostly Cloudy FEW011 BKN024 11.7 9.4 86% 76.23 1016.2
18 22:56 S 9 16.09 A Few Clouds FEW012 11.7 9.4 86% 76.23 1016.2
18 21:56 SW 9 16.09 A Few Clouds FEW022 12.2 9.4 14.4 12.2 83% 76.23 1016.3
18 20:56 SW 7 16.09 A Few Clouds FEW011 12.2 9.4 83% 76.2 1016.0
18 19:56 W 15 16.09 A Few Clouds FEW011 12.8 9.4 80% 76.17 1015.7
18 18:56 W 17 16.09 A Few Clouds FEW035 12.8 9.4 80% 76.17 1015.4
18 17:56 W 22 16.09 A Few Clouds FEW035 13.3 9.4 77% 76.17 1015.4
18 16:56 W 20 16.09 A Few Clouds FEW035 13.3 10 81% 76.12 1014.8
18 15:56 W 26 16.09 A Few Clouds FEW035 14.4 9.4 16.1 13.3 72% 76.07 1014.2
18 14:56 W 22 16.09 A Few Clouds FEW035 15.6 8.3 62% 76.07 1014.1
18 13:56 W 26 16.09 Mostly Cloudy BKN035 15 8.9 67% 76.07 1014.3
18 12:56 NE 7 16.09 A Few Clouds FEW038 FEW200 15 8.9 67% 76.1 1014.4
Date Time (pst) Wind (kph) Vis. (km) Weather Sky Cond. Air Dwpt Max. Min. Relative Humidity Wind Chill (°C) Heat Index (°C) altimeter (cm) sea level (mb) 1 hr 3 hr 6 hr
6 hour
Temperature (ºC) Pressure Precipitation (cm)