5-day weather forecast Boston 08-05-2026

Weather forecast Boston Friday, May 8 08.05.2026: sunny, temperature from 10 °C to 16 °C.

Precipitation probability 100%. Wind up to 7 m/s (gusts 8.06 m/s). Air humidity 25–61%, atmospheric pressure 750–757 mm Hg, UV index up to 5.

Sunrise 05:31
Sunset 19:52

Waning Gibbous68% illuminated
Moonrise 01:21 · Moonset 10:38

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← Thu, May 7

Fri, May 8, 2026

Forecast from 10 °C to 16 °C and precipitation

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)	13	12	12	11	11	10	10	11	12	13	14	15	16	16	16	16	16	16	14	13	12	11	10	10
Precipitation (mm/hr)	0	0	0.17	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0

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 (%)	46	82	91	49	43	39	35	32	21	9	25	18	8	83	51	50	67	40	13	8	5	5	8	7
Rain chance (%)	0	0	100	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0

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)	4.11	4.31	3.81	3	3.5	3.69	3.81	4	4.5	4.69	4.89	5.5	6.11	6.61	6.89	6.89	7	6.69	6	5.81	4.11	3.31	3.39	3.31
Wind gust (m/s)	6.11	6.22	5.47	4.36	5.22	5.42	5.33	5.19	5.33	5.42	5.64	6.33	7.03	7.58	7.94	7.94	8.06	7.72	7.42	7.92	6.47	5.64	5.83	5.64
Wind direction (°)	NW 305°	WNW 297°	WNW 284°	WNW 299°	NW 305°	WNW 303°	WNW 299°	WNW 296°	WNW 294°	WNW 296°	WNW 293°	WNW 288°	WNW 285°	WNW 290°	WNW 294°	WNW 288°	WNW 287°	WNW 291°	WNW 289°	W 280°	W 278°	W 264°	WSW 255°	W 264°

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 (%)	56	55	61	59	58	58	59	56	50	44	39	34	26	25	25	27	29	33	35	40	42	44	46	47

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)	751	750	751	751	751	752	752	752	752	752	752	752	752	752	752	752	752	753	754	755	755	756	757	757

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	0.3	1	4	4	4	5	4	5	5	4	5	5	4	0	0	0	0

← Thu, May 7

Fri, May 8, 2026

Boston 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 →