5-day weather forecast Boston 26-07-2026

Weather forecast Boston Sunday, July 26 26.07.2026: sunny, temperature from 13 °C to 23 °C.

Precipitation probability 12%. Wind up to 4.5 m/s (gusts 5.81 m/s). Air humidity 46–86%, atmospheric pressure 759–763 mm Hg, UV index up to 7.6.

Sunrise 05:30
Sunset 20:10
Waxing Gibbous95% illuminated
Moonrise 18:55 · Moonset 02:31
Chart
Table

Forecast from 13 °C to 23 °C and precipitation

Temperature & Precipitation
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
Temperature (°C)151414141313131517192122232323232222211917161515
Precipitation (mm/hr)000000000000000000000000

Cloud cover and precipitation probability

Cloud cover & Rain chance
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
Cloud cover (%)00100000015750000000200000
Rain chance (%)99101010111174721112223458101112

Wind speed and direction

Wind & Wind gust
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
Wind (m/s)1.311.812.192.692.692.812.692.893.393.813.894.114.114.314.54.54.113.693.393.112.392.111.891.89
Wind gust (m/s)2.723.724.565.535.535.815.444.334.144.364.54.724.724.945.175.174.724.254.174.143.893.973.833.83
Wind direction (°)NE 36°N 357°N 357°N 359°N 359°N 0°N 2°N 10°NNE 23°NE 36°NE 40°NE 44°NE 53°ENE 59°ENE 64°ENE 67°ENE 66°ENE 62°ENE 67°ENE 61°ENE 65°NE 55°NE 45°NE 40°

Air humidity

Humidity
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
Humidity (%)808081828384847563544846464748505356606676838586

Atmospheric pressure

Pressure
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
Pressure (mm Hg)763763763762762761762762762762761761761761760760760759759759759760760759

Ultraviolet index

UV Index
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
UV Index00000000.51.32.64.46.27.57.67.153.520.80.20000

Air quality & pollen

Air quality
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
PM2.5 (µg/m³)13.915.415.715.31514.613.713.41312.611.19.48.47.77.37.177.17.37.78.89.710.411
PM10 (µg/m³)15.116.917.31716.816.415.114.914.814.412.510.89.68.88.387.87.98.18.710.311.31212.6
Ozone (O₃) (µg/m³)54494543424447536278971111161171161151111071019385766658
NO₂ (µg/m³)21.123.124.324.423.822.319.916.713.410.16.74.12.82.32.11.922.745.98.31216.318.9
SO₂ (µg/m³)11.11.21.31.31.31.31.31.21.10.90.80.70.60.60.60.60.60.60.60.70.80.91
CO (µg/m³)182186192200209213209200187170149132121112108108112116120124130137146154

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.