5-day weather forecast Boston 18-03-2026
Weather forecast Boston today 18.03.2026: sunny, temperature from -3 °C to 1 °C.
No precipitation expected. Wind up to 5.89 m/s (gusts 7.14 m/s). Air humidity 31–82%, atmospheric pressure 764–773 mm Hg, UV index up to 2.7.
Sunset 18:54
Forecast from -3 °C to 1 °C and precipitation
Cloud cover
Wind speed and direction
Air humidity
Atmospheric pressure
Ultraviolet index
Frequently asked questions about the weather in Boston
What is the weather in Boston today?
Today in Boston the temperature ranges from -3 °C to 1 °C, wind up to 5.89 m/s. Check the detailed hourly forecast above for more information.
Will it rain in Boston this week?
The precipitation probability in Boston today is 0%. View the full multi-day forecast above to see the rain chances for each upcoming day.
What is the wind speed in Boston today?
The wind speed in Boston today reaches up to 5.89 m/s with gusts up to 7.14 m/s. Check the detailed wind chart above for hourly wind data.
What is the humidity in Boston today?
The air humidity in Boston today ranges from 31% to 82%. View the humidity chart above for hourly details.
What is the UV index in Boston today?
The UV index in Boston today reaches up to 2.7. Check the UV index chart above for hourly values throughout the day.
What is the atmospheric pressure in Boston today?
The atmospheric pressure in Boston today ranges from 764 to 773 mm Hg. View the pressure chart above for hourly readings.
What is the cloud cover in Boston today?
Cloud cover in Boston today reaches up to 100%. Check the cloud cover chart above for hourly details throughout the day.
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.