Temperature & Precipitation
Time	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
Temperature (°C)	14	14	14	14	14	14	14	14	14	15	15	16	16	16	16	16	15	14	14	14	13	13	13	13
Precipitation (mm/hr)	0	0	0	0	0	0	0	0	0.02	0.03	0.04	0.34	0.65	0.96	1.24	1.57	2.19	1.76	1.22	1.24	0.75	1.3	0.86	0.38

Cloud cover and precipitation probability

Cloud cover & Rain chance
Time	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
Cloud cover (%)	98	97	98	99	100	98	96	94	94	95	96	97	99	100	100	100	100	100	100	100	100	100	100	100
Rain chance (%)	23	23	23	22	22	22	22	22	22	23	23	47	60	64	70	74	80	79	75	75	72	75	70	59

Wind speed and direction

Wind & Wind gust
Time	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
Wind (m/s)	3.11	3.5	3.5	3.61	3.69	3.89	4.39	4.31	4.39	4.61	4.31	3.89	4.39	5.11	5.11	4.81	4.11	2.89	2.89	2.81	1.89	1.61	1.69	2
Wind gust (m/s)	4.61	5.22	5.31	5.56	5.75	6.06	6.89	7.11	7.28	7.75	7.83	7.94	8.42	8.67	8.83	9.03	8.53	6.39	5.92	5.31	3.81	3.28	3.78	4.11
Wind direction (°)	SSE 150°	SE 146°	SSE 147°	SE 145°	SE 143°	SE 142°	SE 140°	SE 145°	SE 143°	SE 143°	SE 145°	SSE 161°	S 178°	S 191°	SSW 196°	SSW 197°	SSW 211°	WSW 249°	WNW 285°	WNW 300°	NW 308°	WNW 288°	W 276°	NW 304°

Air humidity

Humidity
Time	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
Humidity (%)	80	80	79	78	77	77	77	78	77	76	74	75	75	77	81	84	88	91	90	89	89	89	89	87

Atmospheric pressure

Pressure
Time	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
Pressure (mm Hg)	763	762	763	762	762	762	762	763	763	763	763	763	763	762	762	762	762	762	763	764	764	764	764	764

Ultraviolet index

UV Index
Time	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
UV Index	0	0	0	0	0	0	0	0	0.1	0.5	0.7	0.8	0.7	0.6	0.6	0.1	0	0	0	0	0	0	0	0

Air quality & pollen

Air quality
Time	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
PM2.5 (µg/m³)	14.3	13.7	13.4	13.6	14.1	14.2	14.5	14.1	13.7	13.4	13.6	16.7	15.1	13.2	11.5	9.5	8.9	8.5	8.1	7.8	8.1	8.6	9.4	10.3
PM10 (µg/m³)	21.5	20.9	20.5	21.1	22.2	22.5	23.1	22.4	21.7	21.1	21.8	27.4	24.9	21.7	18.9	15.6	14.5	13.6	12.8	12.1	12.7	13.7	15.1	16.6
Ozone (O₃) (µg/m³)	67	67	67	66	66	66	66	67	69	72	75	78	82	83	82	78	75	71	67	65	67	70	73	73
NO₂ (µg/m³)	14.1	14	14	13.9	13.7	13.4	12.9	12	10.6	8.8	7.1	5.3	3.6	2.6	2.8	3.8	5.3	7.9	11.1	13	12.6	11	9.5	8.6
SO₂ (µg/m³)	0.7	0.6	0.6	0.6	0.6	0.6	0.7	0.7	0.7	0.6	0.6	0.5	0.5	0.4	0.4	0.4	0.4	0.5	0.6	0.7	0.8	0.8	0.8	0.8
CO (µg/m³)	156	160	160	159	158	157	156	156	160	166	165	152	133	121	122	129	139	154	170	179	172	156	143	136

← Sat, Nov 14

Sun, Nov 15, 2026

Mon, Nov 16 →

San Francisco on the map

Data Sources & Methodology

Our weather forecasts are powered by a professional weather data provider that aggregates data from national weather services, satellite observations, radar networks, and over 80,000 weather stations worldwide. Forecast data is updated multiple times daily. We convert raw data into clear summaries — wind speed in m/s, pressure in mmHg — so you can plan your day with confidence.

Learn more about our methodology →