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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
Mon 13
Oct		04:00

NE
NE

 19 / 31 mph 53 / 48°F 96% 1020 mb
Low level cloud: 100%
Mid level cloud: 98%
High level cloud: 14%
Most Significant Cloud Type: low
100%
Expect 0.2 In of precipitation over the past 3 hours.
0.2 In
07:00

NE
NE

 20 / 32 mph 53 / 48°F 95% 1021 mb
Low level cloud: 100%
Mid level cloud: 100%
High level cloud: 16%
Most Significant Cloud Type: low
100%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
10:00

NE
NE

 20 / 24 mph 55 / 50°F 95% 1021 mb
Low level cloud: 100%
Mid level cloud: 98%
High level cloud: 19%
Most Significant Cloud Type: low
100%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
13:00

NE
NE

 19 / 21 mph 56 / 52°F 95% 1020 mb
Low level cloud: 100%
Mid level cloud: 100%
High level cloud: 7%
Most Significant Cloud Type: low
100%
Expect 0.2 In of precipitation over the past 3 hours.
0.2 In
16:00

NE
NE

 18 / 22 mph 57 / 52°F 96% 1020 mb
Low level cloud: 100%
Mid level cloud: 98%
High level cloud: 15%
Most Significant Cloud Type: low
100%
Expect 0.2 In of precipitation over the past 3 hours.
0.2 In
19:00

NE
NE

 16 / 20 mph 56 / 52°F 96% 1020 mb
Low level cloud: 100%
Mid level cloud: 80%
High level cloud: 20%
Most Significant Cloud Type: low
100%
Expect 0.3 In of precipitation over the past 3 hours.
0.3 In
22:00

NE
NE

 15 / 19 mph 55 / 51°F 96% 1020 mb
Low level cloud: 100%
Mid level cloud: 88%
High level cloud: 5%
Most Significant Cloud Type: low
100%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
Tue 14
Oct		01:00

NE
NE

 15 / 26 mph 51 / 46°F 96% 1020 mb
Low level cloud: 100%
Mid level cloud: 85%
High level cloud: 14%
Most Significant Cloud Type: low
100%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
04:00

NE
NE

 14 / 24 mph 51 / 46°F 96% 1019 mb
Low level cloud: 100%
Mid level cloud: 84%
High level cloud: 14%
Most Significant Cloud Type: low
100%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
07:00

NNE
NNE

 13 / 19 mph 50 / 46°F 95% 1019 mb
Low level cloud: 99%
Mid level cloud: 89%
High level cloud: 6%
Most Significant Cloud Type: low
100%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
10:00

NNE
NNE

 11 / 13 mph 52 / 49°F 95% 1020 mb
Low level cloud: 90%
Mid level cloud: 98%
High level cloud: 4%
Most Significant Cloud Type: low
100%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
13:00

NNE
NNE

 8 / 9 mph 54 / 51°F 91% 1018 mb
Low level cloud: 93%
Mid level cloud: 44%
High level cloud: 1%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

N
N

 7 / 10 mph 55 / 52°F 83% 1017 mb
Low level cloud: 50%
Mid level cloud: 67%
High level cloud: 0%
Most Significant Cloud Type: low
73%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

N
N

 4 / 6 mph 54 / 53°F 80% 1017 mb
Low level cloud: 20%
Mid level cloud: 43%
High level cloud: 0%
Most Significant Cloud Type: low
34%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

NNW
NNW

 4 / 7 mph 53 / 52°F 76% 1016 mb
Low level cloud: 24%
Mid level cloud: 46%
High level cloud: 16%
Most Significant Cloud Type: low
42%
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 16°C, with a high for the week of 22°C expected on the afternoon of Sunday 19th. The average minimum temperature will be 9°C, dipping to its lowest on the morning of Thursday 16th at 5°C. Expect the coming week to have mostly dry days although Monday 13th and Tuesday 14th are likely to see a significant amount of rain. The current forecast indicates Monday 16th will have the most precipitation with an accumulation of around 37.0mm. 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