175
FNUS76 KMTR 041040
FWSMTR

Spot Forecast for San Bruno 4th of July...LOCAL
National Weather Service San Francisco CA
340 AM PDT Fri Jul 4 2025

Forecast is based on forecast start time of 0800 PDT on July 04.
If conditions become unrepresentative, contact the National Weather
Service.

.DISCUSSION...Onshore flow will bring seasonably cool temperatures
and breezy conditions to San Bruno on July 4. Winds will be breezy in
the morning before increasing in the afternoon. Evening clouds
will begin to return between 6 PM to 8 PM.

.REST OF TODAY...

Sky/weather.........Morning low clouds becoming sunny.
Max temperature.....61-65.
Min humidity........60-70 percent.
Surface winds (mph).West to southwest 5 to 10 mph with gusts to 15 mph.
                    Breezy. West winds 13 to 23 mph with gusts to
                    around 30 mph.
Chance of pcpn......0 percent.
Chance of thunder...0 percent.
Mixing height.......1500 ft AGL.
Transport winds.....West around 20 mph.
Marine layer........1000ft.
SUNSET..............8:35 PM

.TONIGHT...

Sky/weather.........Partly cloudy becoming cloudy..
Min temperature.....49-53.
Max humidity........90-100 percent.
Surface winds (mph).Breezy. West winds 10 to 20 mph with gusts to
                    around 30 mph becoming 5 to 15 mph overnight.
Chance of pcpn......0 percent.
Chance of thunder...0 percent.
Mixing height.......900 ft AGL.
Transport winds.....West around 18 mph.
Marine layer........1200ft.
SUNRISE.............5:54 AM

.SATURDAY...

Sky/weather.........Morning low clouds becoming sunny.
Max temperature.....62-66.
Min humidity........69-73 percent.
Surface winds (mph).West winds 5 to 15 mph. Gusts up to 25 mph in
                    the afternoon.
Chance of pcpn......0 percent.
Chance of thunder...0 percent.
Mixing height.......1300 ft AGL.
Transport winds.....West around 14 mph.
Marine layer........1500ft.
SUNSET..............8:34 PM

$$
Forecaster...M_MEHLE
Requested by...Michael Ku
Type of request...OTHER
.TAG 2517065.0/MTR
.DELDT 07/04/25
.FormatterVersion 2.0.0
.EMAIL mku@sanbruno.ca.gov