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)	1.69	1.81	1.61	1.5	1.5	1.5	1.31	1.31	1.11	1.69	1.5	2.5	2.69	2.61	3	3.39	2.39	2.11	2.19	2.5	2.11	2.11	2.19	1.5
Wind gust (m/s)	5.42	4.14	4.92	4.81	3.44	4.31	1.81	1.92	2.31	3	3.39	4.31	4.31	4.22	4.22	4.39	4.72	4.89	5.72	6.61	6.72	7.11	7.03	6.5
Wind direction (°)	SSW 192°	SSW 202°	SSW 195°	S 190°	SSW 209°	SSW 209°	SW 217°	SSW 202°	S 187°	S 180°	S 191°	S 186°	SSW 195°	SSW 200°	SSW 198°	SSW 194°	S 187°	S 179°	SSE 167°	SSE 165°	S 175°	SSE 168°	S 177°	S 184°

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 (%)	84	90	86	86	91	87	88	92	80	70	66	54	50	53	44	44	55	57	64	75	77	81	85	88

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)	768	767	768	767	767	767	767	767	767	767	767	767	766	765	764	764	764	764	764	764	764	764	764	763

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	0.3	1	2	2.9	3.2	2.9	2	1	0.3	0	0	0	0	0	0	0

Air quality & pollen

Air quality is available for the first three days only.

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Wed, Nov 4, 2026

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Philadelphia 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 →