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Lake Merced Weather Forecast

Temperature, wind, rain and more for Lake Merced

California, United States Of America

DayLocal TimeDirSpeed/
Gust		Temp/
Feels Like		HumidityPressureCloud AmountPrecip AmountWeather
Mon 12
May		01:00

SW
SW

 13 / 16 mph 56 / 52°F 85% 1015 mb
Low level cloud: 21%
Mid level cloud: 6%
High level cloud: 22%
Most Significant Cloud Type: low
25%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

SSW
SSW

 13 / 17 mph 55 / 51°F 88% 1013 mb
Low level cloud: 98%
Mid level cloud: 91%
High level cloud: 8%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

WSW
WSW

 12 / 20 mph 54 / 50°F 77% 1014 mb
Low level cloud: 13%
Mid level cloud: 44%
High level cloud: 0%
Most Significant Cloud Type: medium
79%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

WSW
WSW

 13 / 16 mph 57 / 54°F 72% 1015 mb
Low level cloud: 11%
Mid level cloud: 46%
High level cloud: 0%
Most Significant Cloud Type: medium
75%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

WSW
WSW

 15 / 17 mph 62 / 61°F 66% 1014 mb
Low level cloud: 0%
Mid level cloud: 11%
High level cloud: 0%
Most Significant Cloud Type: medium
10%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

WSW
WSW

 16 / 18 mph 63 / 62°F 80% 1013 mb
Low level cloud: 27%
Mid level cloud: 24%
High level cloud: 0%
Most Significant Cloud Type: low
35%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

W
W

 12 / 14 mph 62 / 60°F 84% 1013 mb
Low level cloud: 35%
Mid level cloud: 10%
High level cloud: 0%
Most Significant Cloud Type: low
38%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

W
W

 13 / 15 mph 58 / 55°F 88% 1015 mb
Low level cloud: 34%
Mid level cloud: 5%
High level cloud: 0%
Most Significant Cloud Type: low
36%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Tue 13
May		16:00

WNW
WNW

 17 / 20 mph 58 / 54°F 70% 1017 mb
Low level cloud: 0%
Mid level cloud: 6%
High level cloud: 0%
Most Significant Cloud Type: medium
5%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

WNW
WNW

 16 / 19 mph 58 / 54°F 80% 1017 mb
Low level cloud: 0%
Mid level cloud: 6%
High level cloud: 2%
Most Significant Cloud Type: medium
6%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

NW
NW

 9 / 10 mph 56 / 54°F 85% 1018 mb
Low level cloud: 8%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
8%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
The 7 day weather forecast summary for Lake Merced:

The forecast for Lake Merced in the coming week is predicting the average daytime maximum temperature will be around 19°C, with a high for the week of 22°C expected on the morning of Monday 19th. The mean minimum temperature will be 12°C, dipping to its lowest on the morning of Wednesday 14th at 10°C. Expect the next week to remain predominantly dry. On the whole winds are likely to be moderate. The strongest wind will be felt on Saturday afternoon, coming from a westerly direction, and reaching around 26mph.

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