5-day weather forecast Boston Oct 15, 2026

17°10° · Sunny

Weather forecast Boston Thursday Oct 15, 2026: sunny, temperature from 10 °C to 17 °C.

Precipitation probability 18%. Wind up to 6.19 m/s (gusts 11.61 m/s). Air humidity 42–74%, atmospheric pressure 761–767 mm Hg, UV index up to 4.2.

Sunrise 06:57
Sunset 18:02
Waxing Crescent27% illuminated
Moonrise 12:37 · Moonset 21:03
Chart
Table

Forecast from 10 °C to 17 °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)171615141313121212121213141414141414121110101010
Precipitation (mm/hr)000.01000000000000000000000

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 (%)4717123904925925319134310046535841888682
Rain chance (%)86159158441332224104225710181817

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)4.113.393.394.6165.816.195.615.55.694.8943.392.892.312.392.392.53.112.892.892.612.52.5
Wind gust (m/s)8.58.227.8110.3111.6111.3911.0310.339.427.615.924.613.923.532.722.537.395.544.425.114.924.925.31
Wind direction (°)NW 322°NW 312°NW 315°NNW 330°NW 323°NNW 327°NNW 335°NNW 330°NNW 328°NNW 332°NNW 343°N 0°NNE 13°NNE 31°NE 53°ENE 67°ENE 78°ESE 104°ESE 118°SE 140°SSE 157°SSE 159°SSE 160°S 179°

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 (%)637073746665616058524845444243444650647172737474

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)761761762763764764764765766767767767767767767767767767767767767767767767

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 Index000000000.20.81.82.944.23.52.41.20.4000000

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)2.11.71.311111.521.61.61.822.22.42.62.93.513.62429.727.422.719
PM10 (µg/m³)2.11.71.31111.11.521.71.71.822.32.52.72.93.513.724.23027.823.119.3
Ozone (O₃) (µg/m³)54575958575553525256616670737577777050222000
NO₂ (µg/m³)10.67.55.24.13.94.36.18.59.88.66.24.43.83.74.33.949.625.847.463.369.269.465.7
SO₂ (µg/m³)0.60.50.50.50.50.60.70.80.911111110.91.11.62.32.82.82.72.4
CO (µg/m³)164158151143134130135144149145136129125124126133144158179202341.5457.5488.8468

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.