5-day weather forecast Boston 05-07-2026

Weather forecast Boston tomorrow 05.07.2026: sunny, temperature from 18 °C to 29 °C.

Precipitation probability 17%. Wind up to 4.19 m/s (gusts 5.28 m/s). Air humidity 32–67%, atmospheric pressure 761–764 mm Hg, UV index up to 7.6.

Sunrise 05:13
Sunset 20:24

Last Quarter60% illuminated
Moonrise 23:26 · Moonset 10:52

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Table

← Sat, Jul 4

Sun, Jul 5, 2026

Mon, Jul 6 →

Forecast from 18 °C to 29 °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)	20	20	19	19	19	18	19	21	23	25	27	28	28	29	29	29	28	27	26	25	23	22	20	20
Precipitation (mm/hr)	0.03	0	0	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 (%)	87	40	29	29	31	35	32	26	13	5	10	21	9	9	7	11	14	9	10	8	9	7	6	6
Rain chance (%)	17	8	7	7	7	7	6	5	2	1	1	2	1	1	1	1	1	1	2	2	3	4	5	5

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)	1.89	1.89	1.89	1.81	1.61	1.81	1.61	1.5	1.31	1	1.19	2	2.81	3.39	3.5	3.81	4	4.19	4	3.61	2.81	2.31	2.19	2.11
Wind gust (m/s)	4	4	4	3.78	3.36	3.78	3.14	2.25	1.61	1.14	1.39	2.31	3.22	3.92	4.03	4.36	4.61	5.03	5.28	5.22	4.78	4.33	4.53	4.42
Wind direction (°)	N 356°	N 11°	N 4°	N 7°	N 356°	N 354°	N 351°	N 350°	N 0°	NNE 32°	ENE 76°	E 92°	ESE 104°	ESE 105°	ESE 108°	ESE 112°	ESE 111°	ESE 119°	SE 139°	SSE 154°	SSE 167°	S 173°	S 187°	SSW 208°

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 (%)	67	67	66	66	66	66	64	58	50	42	36	33	32	32	32	33	36	39	44	50	57	62	65	66

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)	761	761	761	761	761	761	761	761	761	761	761	761	761	761	761	761	762	762	762	763	763	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	0.1	0.6	1.6	3.1	4.9	6.6	7.3	7.6	6.8	5.1	3.5	2	0.9	0.3	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)	12	11	10.9	11.3	11.8	12.5	13.3	14.6	16.2	17.8	17.6	17.3	17.4	17.6	17.8	17.9	17.9	17.6	17.1	16.6	16.4	16.5	16.6	17
PM10 (µg/m³)	12.4	11.3	11.1	11.4	12	12.6	13.5	14.7	16.5	18.2	18.2	17.9	18	18.3	18.5	18.6	18.6	18.3	17.9	17.7	17.5	17.5	17.9	18.3
Ozone (O₃) (µg/m³)	56	58	59	58	56	56	60	66	73	83	94	104	112	118	122	124	124	119	107	91	77	67	59	52
NO₂ (µg/m³)	15.9	11.4	8.2	7.9	9	9.9	10.5	10.9	10.5	8.4	5.4	3.1	2.3	2.3	2.4	2.4	2.6	3.3	4.8	7	9.3	12.1	15	17.3
SO₂ (µg/m³)	0.9	0.8	0.8	0.8	0.9	1	1.2	1.3	1.4	1.3	1	0.8	0.8	0.8	0.8	0.8	0.8	0.8	0.8	0.7	0.7	0.7	0.8	0.9
CO (µg/m³)	151	145	141	142	145	148	151	153	154	151	147	142	138	134	132	132	135	139	146	154	164	177	191	198

← Sat, Jul 4

Sun, Jul 5, 2026

Mon, Jul 6 →

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.

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