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Local Weather

South San Francisco Weather Forecast

Temperature, wind, rain and more for South San Francisco

California, United States Of America

DayLocal TimeDirSpeed/
Gust		Temp/
Feels Like		HumidityPressureCloud AmountPrecip AmountWeather
Mon 12
May		07:00

WSW
WSW

 9 / 15 mph 53 / 50°F 82% 1014 mb
Low level cloud: 68%
Mid level cloud: 46%
High level cloud: 0%
Most Significant Cloud Type: low
84%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
10:00

WSW
WSW

 10 / 12 mph 58 / 55°F 75% 1015 mb
Low level cloud: 20%
Mid level cloud: 44%
High level cloud: 0%
Most Significant Cloud Type: low
34%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

W
W

 13 / 16 mph 62 / 60°F 61% 1014 mb
Low level cloud: 0%
Mid level cloud: 6%
High level cloud: 0%
Most Significant Cloud Type: medium
6%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

WSW
WSW

 14 / 16 mph 62 / 61°F 75% 1013 mb
Low level cloud: 28%
Mid level cloud: 39%
High level cloud: 0%
Most Significant Cloud Type: low
41%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

W
W

 11 / 13 mph 61 / 60°F 84% 1013 mb
Low level cloud: 42%
Mid level cloud: 7%
High level cloud: 0%
Most Significant Cloud Type: low
44%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

W
W

 11 / 13 mph 57 / 54°F 89% 1014 mb
Low level cloud: 49%
Mid level cloud: 3%
High level cloud: 0%
Most Significant Cloud Type: low
50%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Tue 13
May		01:00

WNW
WNW

 13 / 16 mph 53 / 49°F 86% 1015 mb
Low level cloud: 95%
Mid level cloud: 4%
High level cloud: 0%
Most Significant Cloud Type: low
96%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

WNW
WNW

 12 / 15 mph 53 / 49°F 85% 1015 mb
Low level cloud: 63%
Mid level cloud: 7%
High level cloud: 0%
Most Significant Cloud Type: low
64%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

NW
NW

 6 / 7 mph 55 / 52°F 81% 1016 mb
Low level cloud: 45%
Mid level cloud: 3%
High level cloud: 0%
Most Significant Cloud Type: low
45%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

WNW
WNW

 5 / 5 mph 58 / 56°F 66% 1018 mb
Low level cloud: 0%
Mid level cloud: 4%
High level cloud: 0%
Most Significant Cloud Type: medium
4%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

WNW
WNW

 12 / 15 mph 59 / 55°F 65% 1018 mb
Low level cloud: 2%
Mid level cloud: 21%
High level cloud: 0%
Most Significant Cloud Type: medium
26%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

WNW
WNW

 16 / 19 mph 58 / 55°F 68% 1017 mb
Low level cloud: 0%
Mid level cloud: 7%
High level cloud: 0%
Most Significant Cloud Type: medium
6%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

WNW
WNW

 13 / 15 mph 57 / 54°F 81% 1017 mb
Low level cloud: 2%
Mid level cloud: 4%
High level cloud: 0%
Most Significant Cloud Type: low
3%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

WNW
WNW

 9 / 10 mph 54 / 51°F 87% 1017 mb
Low level cloud: 16%
Mid level cloud: 0%
High level cloud: 6%
Most Significant Cloud Type: low
16%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
The 7 day weather forecast summary for South San Francisco:

Taking a look at South San Francisco over the coming week and the average daytime maximum temperature will be around 18°C, with a high for the week of 20°C expected on the morning of Thursday 15th. The mean minimum temperature will be 11°C, dipping to its lowest on the morning of Monday 19th at 9°C. Expect the coming week to have mostly dry days although Monday is likely to see a little rain. Current predictions suggest Monday 19th will have the most precipitation with an accumulation of around 3.0mm. 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