San Bruno Post Office, CA Weather Forecast and Current Conditions

Current Conditions From Nearby Local Station

Mostly Cloudy 51°F
Feels Like 51°F  
Humidity 87% Dew Point 47°F Wind Calm Barometer 30.2 in.
Solar Rad 3 w/m2
Report from a personal weather station 0.8 mi. SSE of central San Bruno Post Office
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Point Forecast at a Glance

MonDec 15
Mon Dec 15: Fog, Low 53F
 
53
TueDec 16
Tue Dec 16: Rain, High 61F, Low 58F
30%
61
58
WedDec 17
Wed Dec 17: Rain Likely, High 61F, Low 53F
70%
61
53
ThuDec 18
Thu Dec 18: Rain, High 59F, Low 55F
30%
59
55
FriDec 19
Fri Dec 19: Rain, High 60F, Low 56F
50%
60
56
SatDec 20
Sat Dec 20: Rain Likely, High 59F, Low 52F
50%
59
52
SunDec 21
Sun Dec 21: Rain, High 57F, Low 53F
50%
57
53

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7-Day Temperature Trend

Week Ahead Summary

High temperatures remain relatively stable through the week, ranging from 57°F to 61°F. Unsettled weather expected with rain likely on at least 6 days.

Climate Context

This week's forecast shows temperatures running 1°F above the historical average for December. Normal highs for this period are around 58°F with lows around 42°F.

This Date in Weather History

1839 - The first of triple storms hit Massachusetts Bay. The storm produced whole gales, and more than 20 inches of snow in interior New England. There was great loss of life at Gloucester MA.

More on this and other weather history

San Bruno Post Office, CA 7 Day Weather Forecast Details

Monday Dec 15

Fog

Night: Patchy dense fog after 2am. Otherwise, increasing clouds, with a low around 53. West wind 5 to 7 mph becoming calm after midnight.

Tuesday Dec 16

Rain

Day: A 30 percent chance of rain, mainly after 4pm. Areas of dense fog before 1pm. Otherwise, mostly cloudy, with a high near 61. Calm wind becoming west northwest around 5 mph in the afternoon.

Rain Likely

Night: Rain likely, mainly after 10pm. Mostly cloudy, with a low around 58. West southwest wind around 5 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

Wednesday Dec 17

Rain Likely

Day: Rain likely, mainly before 10am. Cloudy, then gradually becoming mostly sunny, with a high near 61. West wind 5 to 7 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

Rain

Night: A 20 percent chance of rain. Patchy fog between 2am and 4am. Otherwise, mostly cloudy, with a low around 53. West wind around 5 mph becoming calm in the evening.

Thursday Dec 18

Rain

Day: A 30 percent chance of rain, mainly after 10am. Patchy fog between 7am and 10am. Otherwise, partly sunny, with a high near 59.

Rain

Night: A 40 percent chance of rain. Mostly cloudy, with a low around 55.

Friday Dec 19

Rain

Day: Rain, mainly after 10am. Cloudy, with a high near 60.

Rain

Night: Rain, mainly before 4am. Cloudy, with a low around 56.

Saturday Dec 20

Rain Likely

Day: Rain likely, mainly after 10am. Mostly cloudy, with a high near 59.

Rain Likely

Night: Rain likely. Mostly cloudy, with a low around 52.

Sunday Dec 21

Rain

Day: Rain. Mostly cloudy, with a high near 57.

Rain Likely

Night: Rain likely. Mostly cloudy, with a low around 53.

Monday Dec 22

Rain Likely

Day: Rain likely. Mostly cloudy, with a high near 57.

How We Provide Better Local Weather

Current conditions: We use the nearest available station to your location - including professional MESONET/MADIS and local weather stations - often miles closer than regional airports.

Forecasts: National Weather Service point forecasts predict for your specific area, not broad regional zones, making them far more relevant to your location.