5-day weather forecast Boston 06-05-2026

Weather forecast Boston Wednesday, May 6 06.05.2026: partly cloudy, temperature from 14 °C to 20 °C.

Precipitation probability 77%. Wind up to 6.81 m/s (gusts 10.64 m/s). Air humidity 58–95%, atmospheric pressure 755–760 mm Hg, UV index up to 3.6.

Sunrise 05:33
Sunset 19:50

Waning Gibbous84% illuminated
Moonrise 00:04 · Moonset 08:32

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Table

← Tue, May 5

Wed, May 6, 2026

Thu, May 7 →

Forecast from 14 °C to 20 °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)	16	16	16	16	15	15	15	15	16	17	18	19	20	20	20	19	17	16	16	15	15	15	14	14
Precipitation (mm/hr)	0	0	0	0	0	0	0	0	0	0	0	0	0	0.02	0	0.01	0.16	0.25	0.13	0.81	1	2.07	1.31	0.22

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 (%)	30	32	32	29	54	88	91	100	100	89	68	52	100	100	61	66	82	66	87	100	100	100	100	100
Rain chance (%)	0	0	0	0	0	0	0	0	0	0	0	0	0	77	0	67	100	100	100	100	100	100	100	100

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)	6.69	6.69	6.69	6.5	6	5.81	5.5	5.5	5.5	5.39	5.69	5.81	5.31	5.61	6.19	6.19	6.11	5.69	6.19	6	6	6.39	6.81	6.31
Wind gust (m/s)	10.64	10.64	10.47	10.11	9.36	8.89	8.39	7.86	7.42	7.06	7.33	7.08	6.11	6.67	7.89	7.72	8.28	8.42	9.28	9.11	9.08	9.86	10.33	9.53
Wind direction (°)	SSW 209°	SSW 212°	SSW 213°	SSW 207°	SSW 211°	SSW 209°	SSW 206°	SSW 205°	SSW 204°	SSW 205°	SSW 206°	SSW 209°	SSW 204°	SSW 194°	SSW 193°	SSW 198°	SSW 194°	S 188°	S 186°	SSW 194°	S 187°	S 186°	SSW 195°	SSW 203°

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 (%)	65	68	71	73	75	77	78	78	76	71	67	66	59	58	60	61	69	82	83	89	93	94	95	94

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)	758	758	759	758	759	759	759	760	760	760	760	760	759	758	758	758	758	758	757	757	756	756	755	755

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	0.2	0.3	0.3	1.9	3.6	1.1	1.9	1.5	1	0.2	0.2	0.1	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)	6.3	6.4	6.5	6.7	7.5	8	8.3	8.2	7.9	7.7	7.7	7.6	7.4	7.5	7.6	7.3	6.8	6.2	5.9	6.5	7.6	7.7	6.8	6.2
PM10 (µg/m³)	7.9	7.9	8	8.3	9.2	10	10.5	10.6	10.2	10.1	10.1	9.9	9.5	9.7	9.8	9.4	8.6	7.8	7.4	8.2	9.6	9.6	8.2	7.3
Ozone (O₃) (µg/m³)	108	105	100	95	92	94	98	102	104	104	104	103	100	99	99	99	100	101	101	101	99	97	93	86
NO₂ (µg/m³)	4.4	4.9	6.5	8.7	10	9.7	8.5	7.5	7	6.8	6.9	7.6	8.6	9.4	9.8	9.9	9.7	9.1	8.2	7.5	7.3	7.4	7.5	7.7
SO₂ (µg/m³)	2.3	2.4	2.5	2.7	2.8	2.8	2.8	2.7	2.6	2.4	2.3	2.3	2.3	2.3	2.3	2.2	2.2	2.2	2.2	2.2	2.3	2.4	2.6	2.8
CO (µg/m³)	134.9	136.9	145.9	158.9	168.9	170.9	168.9	166.9	166.9	167.9	169.9	172.9	177.9	179.9	177.9	174.9	171.9	170.9	169.9	168.9	168.9	169.9	168.9	163.9

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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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