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Somerville Weather Forecast

Temperature, wind, rain and more for Somerville

Massachusetts, United States Of America

DayLocal TimeDirSpeed/
Gust		Temp/
Feels Like		HumidityPressureCloud AmountPrecip AmountWeather
Fri 15
Nov		07:00

W
W

 6 / 11 mph 36 / 30°F 35% 1011 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 44%
Most Significant Cloud Type: high
43%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

NW
NW

 7 / 8 mph 47 / 43°F 23% 1009 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

NW
NW

 8 / 9 mph 55 / 53°F 18% 1006 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

NW
NW

 8 / 12 mph 53 / 50°F 26% 1005 mb
Low level cloud: 0%
Mid level cloud: 19%
High level cloud: 0%
Most Significant Cloud Type: medium
18%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

NW
NW

 8 / 12 mph 47 / 43°F 36% 1005 mb
Low level cloud: 0%
Mid level cloud: 26%
High level cloud: 0%
Most Significant Cloud Type: medium
26%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

NW
NW

 7 / 11 mph 45 / 41°F 40% 1005 mb
Low level cloud: 0%
Mid level cloud: 25%
High level cloud: 0%
Most Significant Cloud Type: medium
24%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Sat 16
Nov		01:00

WNW
WNW

 5 / 9 mph 43 / 40°F 45% 1005 mb
Low level cloud: 0%
Mid level cloud: 34%
High level cloud: 66%
Most Significant Cloud Type: medium
36%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

WNW
WNW

 6 / 10 mph 42 / 38°F 46% 1005 mb
Low level cloud: 0%
Mid level cloud: 20%
High level cloud: 2%
Most Significant Cloud Type: medium
20%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

WNW
WNW

 6 / 12 mph 41 / 37°F 45% 1006 mb
Low level cloud: 0%
Mid level cloud: 6%
High level cloud: 0%
Most Significant Cloud Type: medium
6%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

NW
NW

 11 / 12 mph 53 / 49°F 30% 1007 mb
Low level cloud: 0%
Mid level cloud: 8%
High level cloud: 0%
Most Significant Cloud Type: medium
8%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

NNW
NNW

 13 / 14 mph 58 / 55°F 27% 1006 mb
Low level cloud: 0%
Mid level cloud: 7%
High level cloud: 0%
Most Significant Cloud Type: medium
6%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

NW
NW

 12 / 14 mph 56 / 52°F 33% 1009 mb
Low level cloud: 0%
Mid level cloud: 4%
High level cloud: 0%
Most Significant Cloud Type: medium
3%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

NW
NW

 12 / 15 mph 50 / 45°F 39% 1011 mb
Low level cloud: 2%
Mid level cloud: 13%
High level cloud: 0%
Most Significant Cloud Type: medium
19%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

NW
NW

 11 / 14 mph 49 / 44°F 41% 1012 mb
Low level cloud: 0%
Mid level cloud: 3%
High level cloud: 0%
Most Significant Cloud Type: medium
2%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
The 7 day weather forecast summary for Somerville:

The next 7 day outlook for Somerville shows the average daytime maximum temperature will be around 12°C, with a high for the week of 15°C expected on the afternoon of Saturday 16th. The average minimum temperature will be 6°C, dipping to its lowest on the morning of Friday 15th at 2°C. The week ahead will have mostly dry days although Monday 18th and Thursday 21st are likely to see a significant amount of rain. The indicators are that Thursday 15th will have the most precipitation with an accumulation of around 38.0mm. On the whole winds are likely to be moderate.

The day label given represents the local day relative to the local time for the location you are looking at.
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Day

This time is corrected for local time zones and where possible for daylight saving times.
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Local Time

The wind direction we use on this page is the direction the wind is coming from, given in a 16 point compass format.
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Dir

This refers to the sustained average wind speed, normally averaged over a period of 10 minutes for up to 3 hrs.
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Speed/
Gust

Temperature from our forecast perspective are fairly well defined, they are what we would expect to measure in a standard meteorological screen (in other words, shaded and well ventilated) at 2 metres above ground level.
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Temp/
Feels Like

The relative humidity is the percent of saturation humidity, generally calculated in relation to saturated vapour density.
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Humidity

The value given is a total predicted for the previous 3 hrs and includes the time of the forecast being looked at.
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Precip Amount

The total amount of cloud as a percentage is derived from looking at cloud cover throughout the atmosphere and estimating how these combine when looked at from the ground.
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Cloud Amount

Here we try to capture the feel of the weather as an image – it will never be perfect but is useful for a quick overview.
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Weather

When we measure for forecast air pressure we are normally doing this relative to a certain height and most commonly relative to Mean Sea Level.
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Pressure