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)	3.19	4.11	3.5	3.11	3.11	3.11	2.89	2.81	2.69	2.5	3.31	3.61	3.81	3.81	3.61	3.31	3.11	3.19	2.81	3	3.11	3	2.69	2.89
Wind gust (m/s)	10.33	11.22	9.92	8.92	7.75	7	6.69	4.5	3.42	5.17	4.94	4.83	4.83	4.72	4.11	3.81	3.39	3.53	3.61	3.03	4.19	3.81	2.81	3.61
Wind direction (°)	SSE 164°	S 176°	S 178°	S 182°	S 183°	S 179°	S 177°	S 169°	S 169°	S 174°	S 187°	S 188°	S 183°	S 187°	S 188°	S 191°	S 181°	S 180°	SSE 159°	S 172°	S 177°	S 173°	SSE 165°	SSE 161°

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 (%)	66	60	64	68	70	72	78	82	81	71	60	54	50	46	45	44	45	46	55	60	62	64	65	65

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)	767	767	767	767	767	767	767	767	767	767	767	767	767	766	766	765	765	765	765	766	766	767	767	767

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	0.3	1.1	2.4	3.6	4.3	4.2	3.3	2	0.9	0.2	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)	4	3.9	3.7	3.6	3.5	3.4	3.4	3.7	4.2	4.2	3.8	3.8	3.8	3.9	4.1	4.3	4.5	4.6	4.8	5.3	5.5	5.7	5.8	6
PM10 (µg/m³)	4	3.9	3.8	3.6	3.5	3.4	3.5	3.7	4.2	4.2	3.8	3.9	3.9	4	4.2	4.4	4.6	4.7	4.9	5.4	5.6	5.8	6	6.1
Ozone (O₃) (µg/m³)	60	59	59	60	61	61	60	60	60	60	64	74	87	98	105	109	109	101	87	76	70	66	62	59
NO₂ (µg/m³)	6.4	6.3	5.6	4.7	4	3.8	4	4	3.9	3.8	3.5	2.8	1.8	1.1	0.7	0.5	0.9	2.4	4.5	6.2	6.9	7.2	7.5	7.9
SO₂ (µg/m³)	1.1	1.1	1	1	0.9	0.9	0.8	0.8	0.8	0.8	0.9	1	1.2	1.3	1.3	1.3	1.2	1.1	1	1	1	1	1.1	1.2
CO (µg/m³)	153	149	148	147	147	148	150	151	152	152	151	147	142	137	133	130	132	144	160	172	173	169	166	166

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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.

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5-day weather forecast Fairfax Oct 21, 2026

Forecast from 13 °C to 23 °C and precipitation

Cloud cover and precipitation probability

Wind speed and direction