Point Forecast: Somerville MA
 42.39N 71.09W (Elev. 14 m)
Last Update: 7:45 am EDT Jul 15, 2025
Tabular Forecast
[hide menu]Get as XML
Weather ElementsFire WeatherAviation Weather
Temperature (°C)
Dewpoint (°C)
Heat Index (°C)

Surface Wind  
Sky Cover (%)
Precipitation Potential (%)
Relative Humidity (%)

Rain
Thunder
Fog
Mixing Height  
Trans. Wind  
20ft Wind  
Vent Rate (x1000 mph-m)
Dispersion Index
Ceiling Height
Visibility
Thunder Potential

48-Hour Period Starting:       Back 2 Days  

Date07/1507/16
Hour (EDT)080910111213141516171819202122230001020304050607
Temperature (°C)242527283031313131302929282726252424232323232323
Dewpoint (°C)222323232322222322232323232222222222222222222222
Heat Index (°C)242530323435343634343333322926252424
Surface Wind (mph)555556665677666665533353
Wind DirWSWSWSWSSSSSSSWSWSSSWSWSWSWSWSWSWSWSWSW
Gust
Sky Cover (%)77533921211819242232142820231617620181318242417
Precipitation Potential (%)13655791076644221110001111
Relative Humidity (%)908877726559616161656767727782858587909093939393
Rain------------------------------------------------
Thunder------------------------------------------------

Date07/17
Hour (EDT)080910111213141516171819202122230001020304050607
Temperature (°C)252728303132323232323131292828272626252424242424
Dewpoint (°C)232323232323232322222222222222222222222222222323
Heat Index (°C)252932343637373736363534333230292626252424242424
Surface Wind (mph)355677778887776666666666
Wind DirSWSWSWSSWSSSSSSSSSSWSWSWSWSWSWSWSWSWSW
Gust
Sky Cover (%)282420161819212836434650535762667075797979797877
Precipitation Potential (%)123567789101011111212121417192123252831
Relative Humidity (%)887972656159585757575962656973778082858789909190
Rain----------------------------------SChcSChcSChcSChcChcChcChc
Thunder----------------------------------SChcSChcSChcSChcSChcSChcSChc

Additional Forecasts and Information
English UnitsForecast Discussion
7-Day ForecastHourly Weather Graph
Graphical Hazardous Weather OutlookRegional Weather Conditions
Past Weather InformationInteractive Forecast Map
Weather StoryHome