Newark, California 7 Day Weather Forecast
Wx Forecast - Wx Discussion - Wx Aviation
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NWS Forecast for Newark CA
National Weather Service Forecast for:
Newark CA
Issued by: National Weather Service San Francisco Bay Area/Monterey, CA |
Updated: 12:01 am PDT Jul 25, 2025 |
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Overnight
 Mostly Cloudy
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Friday
 Becoming Sunny
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Friday Night
 Increasing Clouds
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Saturday
 Gradual Clearing
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Saturday Night
 Partly Cloudy
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Sunday
 Mostly Sunny
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Sunday Night
 Mostly Clear
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Monday
 Mostly Sunny
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Monday Night
 Mostly Clear
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Lo 58 °F |
Hi 68 °F |
Lo 57 °F |
Hi 67 °F |
Lo 57 °F |
Hi 71 °F |
Lo 55 °F |
Hi 73 °F |
Lo 56 °F |
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Coastal Flood Advisory
Overnight
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Mostly cloudy, with a low around 58. West wind around 7 mph. |
Friday
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Cloudy through mid morning, then gradual clearing, with a high near 68. West northwest wind 5 to 14 mph, with gusts as high as 22 mph. |
Friday Night
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Increasing clouds, with a low around 57. West wind 6 to 14 mph, with gusts as high as 22 mph. |
Saturday
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Cloudy through mid morning, then gradual clearing, with a high near 67. West wind 5 to 11 mph, with gusts as high as 18 mph. |
Saturday Night
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Partly cloudy, with a low around 57. West southwest wind 6 to 14 mph, with gusts as high as 21 mph. |
Sunday
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Mostly sunny, with a high near 71. |
Sunday Night
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Mostly clear, with a low around 55. |
Monday
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Mostly sunny, with a high near 73. |
Monday Night
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Mostly clear, with a low around 56. |
Tuesday
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Mostly sunny, with a high near 73. |
Tuesday Night
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Partly cloudy, with a low around 56. |
Wednesday
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Mostly sunny, with a high near 71. |
Wednesday Night
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Partly cloudy, with a low around 57. |
Thursday
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Mostly sunny, with a high near 72. |
Forecast from NOAA-NWS
for Newark CA.
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Weather Forecast Discussion
110
FXUS66 KMTR 250458
AFDMTR
Area Forecast Discussion
National Weather Service San Francisco CA
958 PM PDT Thu Jul 24 2025
...New AVIATION...
.KEY MESSAGES...
Updated at 201 AM PDT Thu Jul 24 2025
- Minor coastal flooding is expected during high tide tonight
along the Bayshore of San Francisco Bay and San Pablo Bay
- Widespread below normal temperatures through Sunday, slight
warming trend early next week
&&
.UPDATE...
Issued at 901 PM PDT Thu Jul 24 2025
KMUX radar shows an isolated and steadily weakening shower (echo
tops now only 22 thousand feet) over northern Napa County. Haven`t
been able to find any measurable precipitation reports under this
shower, it`s likely virga (evaporating before reaching the ground)
for the most part. More convection can be seen moving westward
from the northern Sierra Nevada and across the Central Valley, in
the northeastern quadrant of a weak and closed 500 mb low pressure
center (582 decameters height) located over the north Central Coast.
Weak upper level jet stream winds located at the base of the closed
low are just barely nudging the low eastward. Low clouds are otherwise
filling back in along the coast tonight. No forecast updates are
planned for tonight. For additional info on the forecast please see
details below.
&&
.SHORT TERM...
Issued at 102 PM PDT Thu Jul 24 2025
(This evening through Friday)
Temperatures will continue to be below average for this time of year
as a cut-off low pressure remains off of the San Francisco Bay
Area/Central Coast. Thus, expect little day-to-day change in
forecast maximum and minimum temperatures. Low clouds have scattered
out and/or dissipated across the region as of this writing. Low
clouds, coastal drizzle and favored orographic lift locations
across the region once again tonight into early Friday morning.
As the cut-off low moves inland over the San Francisco Bay Area on
Friday, there will be enough MUCAPE (most unstable CAPE) and
generally between 1.10-1.30" of PWATs across the far northern
portions of the North Bay to produce a less than 5% chance of
high based convection. The greatest timeframe will be early to mid-
morning on Friday, yet confidence remains low enough not to include
in the official forecast. Again, afternoon maximum temperatures will
continue to be below average on Friday.
From previous forecaster: "A Coastal Flood Advisory (the last one of
this sequence) is in effect from 9PM Thursday through 2AM Friday.
Minor coastal flooding can be expected during high tide along the
Bayshore of San Francisco Bay and San Pablo Bay. Localized nuisance
flooding can be expected in coastal locations that are directly
next to Richardson Bay such as Sausalito, Tam Valley, Manzanita, the
Sausalito-Mill Valley Bike Path, and the Manzanita Park N Ride. Do
not drive around barricades or through water of unknown depth."
&&
.LONG TERM...
Issued at 102 PM PDT Thu Jul 24 2025
(Friday night through next Wednesday)
As mentioned above, there is enough MUCAPE and PWATs are forecast to
range from 1.10-1.30" across the northern portions of the North Bay
to again result in less than 5% chance of high based convection
Friday night into early Saturday morning.
By Sunday, the upper level cut-off low pressure will be absorbed in
the mean flow aloft. As such, a slight warming trend is forecast for
Sunday afternoon, but only by a few degrees across the interior
while the coast holds steady. Global ensemble clusters then indicate
that the ridge across much of the remainder of the United States
will build westward and into the Intermountain West. This will
result in a warming trend from Monday and throughout the remainder
of the week. However, the coast will remain under the influence of
the marine layer that is forecast to compress as the high pressure
builds westward.
&&
.AVIATION...
(06Z TAFS)
Issued at 958 PM PDT Thu Jul 24 2025
CIGs have filled around the bays and the coast and are moving
farther inland. Winds are reducing across the district, becoming
light to moderate through the night and much of Friday morning. CIGS
continue to spread deeper inland into the late night with Widespread
CIGs expected. HAF, MRY, and STS look to fall to IFR-level CIGS
overnight. Inland sites begin to clear in the late morning with most
TAF sites going VFR in the afternoon. The exception will be HAF,
which will go from IFR to MVFR CIGs, but will not clear with CIGs
falling back to IFR there Friday evening. Expect modest wind
increases into Friday afternoon with most areas peaking around 15 kt
winds and the occasional stray gust. Winds reduce again that evening
with CIGs quickly returning into the bays and becoming widespread
again that night.
Vicinity of SFO...VFR lasts into the evening. Winds reduce slightly
as MVFR CIGs cross over the SF Peninsula and fill over SFO in the
late evening and early night. Cloud cover scatters in the early
afternoon as west winds increase, but re-fills over the terminal
again in the early evening on Friday.
SFO Bridge Approach...Similar to SFO.
Monterey Bay Terminals...Winds Are reducing with MVFR CIGs in place.
Winds reduce further into the night and MRY falls to IFR CIGs, but
snaps back to MVFR in the mid morning. The terminals clear in the
early afternoon on Friday as winds increase, but MVFR CIGs build
back into MRY again in the late afternoon and at SNS in the early
evening.
&&
.MARINE...
(Tonight through next Wednesday)
Issued at 555 PM PDT Thu Jul 24 2025
Gentle winds will increase to a moderate NW breeze Friday. A
fresh breeze will push through the San Francisco and Monterey Bays
through Friday afternoon, generating occasional whitecaps.
Otherwise low seas will prevail through the weekend. A deep
marine layer will bring consistent low cloud cover and periods of
drizzle.
&&
.MTR WATCHES/WARNINGS/ADVISORIES...
CA...Coastal Flood Advisory until 2 AM PDT Friday for CAZ006-506-508.
PZ...None.
&&
$$
SHORT TERM...RGass
LONG TERM....RGass
AVIATION...Murdock
MARINE...Canepa
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