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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 05
Jul		13:00

SW
SW

 5 / 6 mph 84 / 81°F 29% 1019 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 100%
Most Significant Cloud Type: high
99%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

WSW
WSW

 6 / 7 mph 87 / 82°F 30% 1018 mb
Low level cloud: 0%
Mid level cloud: 3%
High level cloud: 100%
Most Significant Cloud Type: medium
7%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

SSW
SSW

 4 / 9 mph 79 / 77°F 50% 1018 mb
Low level cloud: 0%
Mid level cloud: 28%
High level cloud: 83%
Most Significant Cloud Type: medium
31%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

SW
SW

 8 / 13 mph 69 / 69°F 70% 1018 mb
Low level cloud: 0%
Mid level cloud: 24%
High level cloud: 20%
Most Significant Cloud Type: medium
24%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Sun 06
Jul		01:00

SW
SW

 9 / 15 mph 67 / 67°F 78% 1017 mb
Low level cloud: 0%
Mid level cloud: 13%
High level cloud: 16%
Most Significant Cloud Type: medium
13%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

SW
SW

 8 / 13 mph 67 / 67°F 81% 1016 mb
Low level cloud: 0%
Mid level cloud: 11%
High level cloud: 13%
Most Significant Cloud Type: medium
11%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

SW
SW

 11 / 13 mph 78 / 79°F 64% 1016 mb
Low level cloud: 0%
Mid level cloud: 11%
High level cloud: 10%
Most Significant Cloud Type: medium
11%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

WSW
WSW

 11 / 13 mph 89 / 90°F 44% 1015 mb
Low level cloud: 0%
Mid level cloud: 15%
High level cloud: 22%
Most Significant Cloud Type: medium
15%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

WSW
WSW

 12 / 14 mph 95 / 96°F 33% 1013 mb
Low level cloud: 0%
Mid level cloud: 21%
High level cloud: 13%
Most Significant Cloud Type: medium
21%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

SW
SW

 13 / 15 mph 94 / 96°F 38% 1013 mb
Low level cloud: 0%
Mid level cloud: 29%
High level cloud: 0%
Most Significant Cloud Type: medium
29%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

SW
SW

 11 / 15 mph 85 / 84°F 47% 1014 mb
Low level cloud: 0%
Mid level cloud: 10%
High level cloud: 0%
Most Significant Cloud Type: medium
10%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

SW
SW

 10 / 12 mph 77 / 80°F 73% 1015 mb
Low level cloud: 0%
Mid level cloud: 12%
High level cloud: 0%
Most Significant Cloud Type: medium
11%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
The 7 day weather forecast summary for Somerville:

Taking a look at Somerville over the coming week and the average daytime maximum temperature will be around 30°C, with a high for the week of 36°C expected on the afternoon of Monday 7th. The mean minimum temperature will be 19°C, dipping to its lowest on the morning of Saturday 5th at 18°C. The week will have mixed overhead conditions with some days dry and some seeing a significant amount of rain. The current forecast indicates Tuesday 5th will have the most precipitation with an accumulation of around 12.0mm. On the whole winds are likely to be light.

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