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Groton Weather Forecast

Temperature, wind, rain and more for Groton

Connecticut, United States Of America

DayLocal TimeDirSpeed/
Gust		Temp/
Feels Like		HumidityPressureCloud AmountPrecip AmountWeather
Mon 13
Oct		13:00

NE
NE

 29 / 33 mph 62 / 62°F 90% 1015 mb
Low level cloud: 100%
Mid level cloud: 45%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

NE
NE

 27 / 31 mph 62 / 62°F 91% 1014 mb
Low level cloud: 97%
Mid level cloud: 41%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

NE
NE

 25 / 29 mph 61 / 61°F 91% 1015 mb
Low level cloud: 93%
Mid level cloud: 22%
High level cloud: 4%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

NE
NE

 24 / 28 mph 59 / 59°F 91% 1015 mb
Low level cloud: 90%
Mid level cloud: 15%
High level cloud: 9%
Most Significant Cloud Type: low
96%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Tue 14
Oct		01:00

NE
NE

 24 / 38 mph 56 / 50°F 92% 1015 mb
Low level cloud: 96%
Mid level cloud: 16%
High level cloud: 9%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

NNE
NNE

 23 / 39 mph 54 / 49°F 91% 1015 mb
Low level cloud: 91%
Mid level cloud: 16%
High level cloud: 2%
Most Significant Cloud Type: low
97%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

NNE
NNE

 22 / 34 mph 54 / 49°F 91% 1016 mb
Low level cloud: 92%
Mid level cloud: 83%
High level cloud: 3%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

NNE
NNE

 20 / 23 mph 58 / 54°F 90% 1017 mb
Low level cloud: 88%
Mid level cloud: 62%
High level cloud: 3%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

NNE
NNE

 19 / 22 mph 61 / 61°F 84% 1016 mb
Low level cloud: 98%
Mid level cloud: 46%
High level cloud: 2%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

NNE
NNE

 17 / 19 mph 61 / 61°F 76% 1016 mb
Low level cloud: 84%
Mid level cloud: 44%
High level cloud: 0%
Most Significant Cloud Type: low
99%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

NNE
NNE

 12 / 14 mph 59 / 59°F 70% 1016 mb
Low level cloud: 51%
Mid level cloud: 31%
High level cloud: 0%
Most Significant Cloud Type: low
61%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

N
N

 10 / 13 mph 57 / 55°F 70% 1016 mb
Low level cloud: 18%
Mid level cloud: 45%
High level cloud: 2%
Most Significant Cloud Type: low
33%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
The 7 day weather forecast summary for Groton:

The forecast for Groton in the coming week is predicting the average daytime maximum temperature will be around 19°C, with a high for the week of 23°C expected on the afternoon of Sunday 19th. The mean minimum temperature will be 10°C, dipping to its lowest on the morning of Friday 17th at 5°C. Expect the next week to have mostly dry days although Monday is likely to see a little rain. Predictions are Monday 17th will have the most precipitation with an accumulation of around 6.0mm. On the whole winds are likely to be moderate. The strongest wind will be experienced on Monday morning, coming from a north easterly direction, and reaching around 31mph.

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