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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
Sat 11
Jan		01:00

NNE
NNE

 3 / 4 mph 30 / 28°F 62% 1006 mb
Low level cloud: 0%
Mid level cloud: 70%
High level cloud: 32%
Most Significant Cloud Type: medium
71%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

E
E

 0 / 1 mph 29 / 29°F 70% 1004 mb
Low level cloud: 74%
Mid level cloud: 100%
High level cloud: 87%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

WSW
WSW

 0 / 1 mph 29 / 29°F 92% 1002 mb
Low level cloud: 88%
Mid level cloud: 100%
High level cloud: 89%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

N
N

 2 / 4 mph 31 / 29°F 93% 1000 mb
Low level cloud: 81%
Mid level cloud: 51%
High level cloud: 0%
Most Significant Cloud Type: low
98%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

N
N

 5 / 7 mph 32 / 27°F 93% 997 mb
Low level cloud: 90%
Mid level cloud: 56%
High level cloud: 6%
Most Significant Cloud Type: low
100%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
16:00

N
N

 9 / 11 mph 33 / 25°F 93% 998 mb
Low level cloud: 84%
Mid level cloud: 79%
High level cloud: 22%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

NNW
NNW

 9 / 10 mph 32 / 24°F 94% 1001 mb
Low level cloud: 70%
Mid level cloud: 54%
High level cloud: 32%
Most Significant Cloud Type: low
92%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

NW
NW

 9 / 10 mph 31 / 23°F 86% 1003 mb
Low level cloud: 21%
Mid level cloud: 46%
High level cloud: 14%
Most Significant Cloud Type: low
38%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Sun 12
Jan		01:00

NW
NW

 9 / 12 mph 28 / 20°F 80% 1005 mb
Low level cloud: 10%
Mid level cloud: 22%
High level cloud: 21%
Most Significant Cloud Type: low
20%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

NW
NW

 9 / 13 mph 27 / 18°F 75% 1007 mb
Low level cloud: 1%
Mid level cloud: 15%
High level cloud: 1%
Most Significant Cloud Type: medium
17%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

NW
NW

 7 / 10 mph 26 / 19°F 78% 1011 mb
Low level cloud: 0%
Mid level cloud: 9%
High level cloud: 0%
Most Significant Cloud Type: medium
8%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

NW
NW

 6 / 7 mph 30 / 24°F 67% 1014 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
13:00

NW
NW

 4 / 5 mph 35 / 31°F 60% 1014 mb
Low level cloud: 0%
Mid level cloud: 5%
High level cloud: 0%
Most Significant Cloud Type: medium
5%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

WSW
WSW

 2 / 2 mph 35 / 35°F 76% 1015 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

WSW
WSW

 2 / 4 mph 29 / 27°F 85% 1017 mb
Low level cloud: 0%
Mid level cloud: 20%
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

SW
SW

 3 / 6 mph 27 / 24°F 85% 1017 mb
Low level cloud: 0%
Mid level cloud: 9%
High level cloud: 0%
Most Significant Cloud Type: medium
8%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
The 7 day weather forecast summary for Somerville:

Reviewing the forecast for Somerville Over the next 7 days and the average daytime maximum temperature will be around 1°C, with a high for the week of 4°C expected on the evening of Saturday 18th. The average minimum temperature will be -4°C, dipping to its lowest on the morning of Wednesday 15th at -6°C. Expect the next week to have mostly dry days although Saturday is likely to see a little snow. The indicators are that Saturday 15th will have the most precipitation with an accumulation of around 5.0mm. 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