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Negombo Weather Forecast

Temperature, wind, rain and more for Negombo

Sri Lanka

DayLocal TimeDirSpeed/
Gust		Temp/
Feels Like		HumidityPressureCloud AmountPrecip AmountWeather
Thu 18
Sep		14:30

SW
SW

 12 / 21 mph 87 / 97°F 81% 1008 mb
Low level cloud: 21%
Mid level cloud: 23%
High level cloud: 37%
Most Significant Cloud Type: low
33%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
17:30

SW
SW

 11 / 17 mph 87 / 100°F 86% 1009 mb
Low level cloud: 39%
Mid level cloud: 29%
High level cloud: 32%
Most Significant Cloud Type: low
52%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
20:30

SW
SW

 10 / 16 mph 83 / 96°F 90% 1012 mb
Low level cloud: 28%
Mid level cloud: 26%
High level cloud: 33%
Most Significant Cloud Type: low
40%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
Fri 19
Sep		02:30

SW
SW

 10 / 15 mph 79 / 85°F 89% 1010 mb
Low level cloud: 51%
Mid level cloud: 45%
High level cloud: 32%
Most Significant Cloud Type: low
70%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
05:30

SW
SW

 10 / 16 mph 78 / 83°F 89% 1011 mb
Low level cloud: 43%
Mid level cloud: 28%
High level cloud: 39%
Most Significant Cloud Type: low
57%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
08:30

SW
SW

 12 / 20 mph 80 / 83°F 84% 1013 mb
Low level cloud: 54%
Mid level cloud: 27%
High level cloud: 20%
Most Significant Cloud Type: low
65%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
11:30

SW
SW

 13 / 21 mph 84 / 89°F 79% 1012 mb
Low level cloud: 43%
Mid level cloud: 46%
High level cloud: 22%
Most Significant Cloud Type: low
62%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
14:30

SW
SW

 13 / 20 mph 86 / 95°F 81% 1009 mb
Low level cloud: 49%
Mid level cloud: 21%
High level cloud: 45%
Most Significant Cloud Type: low
62%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
17:30

SW
SW

 10 / 15 mph 87 / 97°F 86% 1010 mb
Low level cloud: 42%
Mid level cloud: 23%
High level cloud: 20%
Most Significant Cloud Type: low
52%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
20:30

SSW
SSW

 10 / 12 mph 82 / 93°F 89% 1012 mb
Low level cloud: 53%
Mid level cloud: 14%
High level cloud: 78%
Most Significant Cloud Type: low
67%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In

Other Locations Near to Negombo

The 7 day weather forecast summary for Negombo:

Reviewing the forecast for Negombo Over the next 7 days and the average daytime maximum temperature will be around 31°C, with a high for the week of 31°C expected on the of Saturday 20th. The average minimum temperature will be 26°C, dipping to its lowest on the morning of Monday 22nd at 25°C. Expect the week ahead to have some days seeing a little precipitation and some days with rain. Current predictions suggest Thursday 22nd 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