Woodbridge, California 7 Day Weather Forecast

Wx Forecast - Wx Discussion - Wx Aviation

740
FXUS66 KMTR 132204
AFDMTR

Area Forecast Discussion
National Weather Service San Francisco CA
204 PM PST Tue Jan 13 2026

...New SHORT TERM, LONG TERM...

.KEY MESSAGES...
Updated at 200 PM PST Tue Jan 13 2026

 - Chilly mornings, but very mild afternoons over the next 5 to 7
   days

 - Morning fog across the delta and East Bay

 - Elevated risk for sneaker waves and rip currents at Pacific
   coast beaches

&&

.SHORT TERM...
Issued at 200 PM PST Tue Jan 13 2026
(This evening through Wednesday)

Tranquil conditions are anticipated to continue through the short
term forecast period. Water vapor imagery at this hour shows our
H5 ridge remains parked across our region. In addition to a few
upper level high clouds, large scale subsidence should result in
fair weather over the next 5 to 7 days. The MinT forecast remains
a little tricky as the column remains dry and skies are mostly
clear. This would typically promote very ideal radiational
cooling. In fact, our 12Z RAOB PWAT of 0.25" is actually closer
to the 10th percentile for this time of year. This dry airmass has
allowed temperatures to climb quickly into the 60s, with the
warmer spots across the Central Coast. As noted in the update this
morning, we`ll see a rather sharp diurnal temperature curve and I
anticipate that we`ll still have some chill in the air by
daybreak Wednesday. The discernible difference between Wednesday
morning and the previous AM`s will be an uptick in the 925mb flow.
Forecast speeds are anticipated to range between 5 and almost 15
knots in some spots. While seemingly meager, this may perturb the
PBL sufficiently such that it doesn`t fully decouple and optimize
radiational cooling. The probability of locales dipping down to or
below 32F appears to be less than 10% across the area, though
some of the sheltered/valley locations may still have an
opportunity to see temperatures fall down to near "freezing" as
these locales may more readily decouple from the free atmosphere.
All that to say, widespread cold similar to the previous nights is
NOT expected on Wednesday morning. That said, continue to protect
any sensitive plants/vegetation if compelled and always use
appropriate indoor heating appliances.

The other impact of the wind may be to limit the widespread fog
development. Similar to the cold, areas that are more sheltered
from the wind (lower elevations) and areas near bodies of water
may have a higher fog potential. Currently, the best
probabilities for fog, occasionally dense, will be across the
North Bay river valleys, and across portions of the East Bay
(where Tule Fog may attempt to encroach across the area).

Wednesday should be another pleasant day with highs in the 60s to
mid 70s. In fact, there are some hints of 80 degree weather
(around a 15-20% chance) across the Santa Lucias, the Diablo
Range, and Santa Cruz Mountains on Wednesday. Quite pleasant for
the typical "rainy" season and certainly above normal (by 10 to 15
degrees) for this time of year. "Minor" HeatRisk is advertised
and this equates to some heat impacts for very sensitive groups.
However, the primary hazard may be the elevated risk for rip
currents and sneaker waves, so be mindful of this threat if you`re
heading to the water.

&&

.LONG TERM...
Issued at 200 PM PST Tue Jan 13 2026
(Wednesday night through next Monday)

The pleasant conditions are forecast to continue into this weekend
as mid/upper level ridging remains in place across our area.
Morning fog/stratus should dissipate quickly with daytime heating
and turbulent mixing. We`ll keep tabs on the westward extent of
any Tule fog that develops across the Central Valley, but at this
time, impacts are expected to be confined to interior reaches of
the North Bay and East Bay. The warmest day in the outlook period
appears to be Thursday at this time. However, depending on how
the airmass modifies and the exact position of the mid-level
ridge, the warming trend could continue this weekend.

High pressure will really dominate the weather through the long
term period, with guidance indicating it`ll remain anchored across
our region. There`s high confidence in the synoptic pattern as the
multi-model ensemble exhibits very little in the way of spread
through at least this weekend. As we have been advertising
through the week, the nice weather will make for very ideal beach
conditions. With a continued risk for longer period westerly
swell, the threat for sneaker waves and rip currents will persist.
Be sure to check conditions before you head to the beach.

While the multi-model ensemble largely mimics a majority of the
clustered NWP solutions, there is some variability in the extent
of the upper ridge as we get toward the end of the weekend. Toward
the middle of next week, some guidance advertises a potent upper
trough will dive through Big Sky Country and this may start to
dislodge our ridge westward. This would potentially crack the
storm door open as upper troughing amplifies. Nothing appears
overly impactful at this time, but we are trending toward
temperatures returning to near or even falling below normal with
perhaps the region`s next opportunity for measurable rainfall by
the middle to end of next week.

&&

.AVIATION...
(18Z TAFS)
Issued at 1038 AM PST Tue Jan 13 2026

Mostly VFR conditions are being reported across the Bay
Area and Central Coast, with the exception being KHAF where the AWOS
and cameras show visibility reduced to MVFR conditions. Expect these
conditions to prevail through the evening hours, with the forecast
becoming a bit more challenging overnight. Confidence is high that
KSTS will see another foggy night; however, confidence is moderate
to low on who else might see reduced visibility due to fog. A decent
amount of MOS guidance and hi-res models indicate visibilities
falling to MVFR categories from roughly 9Z-18Z, with visibility
improving around or shortly after 18Z. Opted to hint at that with
the possibility of visibilities going lower with later updates. Stay
tuned.

Vicinity of SFO...Offshore winds will prevail today, with VFR
conditions holding through the evening and confidence being high.
After about 9Z, confidence becomes medium to low, as models suggest
KSFO and areas around it having visibilities fall to MVFR status.
Current thinking is we may see vis drop to about 6SM from 9Z-12Z
with conditions potentially falling to 4SM from 12-17Z and then
returning to VFR shortly after that period.

SFO Bridge Approach...Similar to SFO.

Monterey Bay Terminals...VFR and offshore conditions will prevail
today and should continue into tomorrow morning. Some models show
MVFR visibilities being possible after 12Z at KSNS and KMRY;
however, winds should remain elevated enough to keep fog at bay.

&&

.MARINE...
(Today through Sunday)
Issued at 858 AM PST Tue Jan 13 2026

Gentle to moderate easterly to northeasterly winds continue today,
before northerly winds return on Wednesday. Offshore winds return
Thursday and Saturday before northerlies return over the weekend.
Moderate seas will prevail through the week with the exception of
the northwestern portion of the waters where rough seas will
briefly build in Wednesday into Thursday.

&&

.MTR WATCHES/WARNINGS/ADVISORIES...
CA...None.
PZ...None.
&&

$$

SHORT TERM...Bain
LONG TERM....Bain
AVIATION...KR
MARINE...KR

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