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Angwin, California 7 Day Weather Forecast
Wx Forecast - Wx Discussion - Wx Aviation
NWS Forecast for Angwin CA
National Weather Service Forecast for: Angwin CA
Issued by: National Weather Service San Francisco Bay Area/Monterey, CA
Updated: 1:26 am PDT Jun 27, 2025
 
Today

Today: Sunny, with a high near 87. Calm wind becoming west southwest 5 to 8 mph in the afternoon.
Sunny
Tonight

Tonight: Clear, with a low around 66. West southwest wind 5 to 7 mph becoming light and variable.
Clear
Saturday

Saturday: Sunny, with a high near 88. Light and variable wind becoming west southwest 5 to 9 mph in the afternoon.
Sunny
Saturday
Night
Saturday Night: Clear, with a low around 59. West southwest wind 6 to 10 mph, with gusts as high as 18 mph.
Clear
Sunday

Sunday: Sunny, with a high near 84. Southwest wind 5 to 9 mph.
Sunny
Sunday
Night
Sunday Night: Mostly clear, with a low around 56.
Mostly Clear
Monday

Monday: Sunny, with a high near 82.
Sunny
Monday
Night
Monday Night: Mostly clear, with a low around 56.
Mostly Clear
Tuesday

Tuesday: Sunny, with a high near 85.
Sunny
Hi 87 °F Lo 66 °F Hi 88 °F Lo 59 °F Hi 84 °F Lo 56 °F Hi 82 °F Lo 56 °F Hi 85 °F

 

Today
 
Sunny, with a high near 87. Calm wind becoming west southwest 5 to 8 mph in the afternoon.
Tonight
 
Clear, with a low around 66. West southwest wind 5 to 7 mph becoming light and variable.
Saturday
 
Sunny, with a high near 88. Light and variable wind becoming west southwest 5 to 9 mph in the afternoon.
Saturday Night
 
Clear, with a low around 59. West southwest wind 6 to 10 mph, with gusts as high as 18 mph.
Sunday
 
Sunny, with a high near 84. Southwest wind 5 to 9 mph.
Sunday Night
 
Mostly clear, with a low around 56.
Monday
 
Sunny, with a high near 82.
Monday Night
 
Mostly clear, with a low around 56.
Tuesday
 
Sunny, with a high near 85.
Tuesday Night
 
Mostly clear, with a low around 62.
Wednesday
 
Sunny, with a high near 89.
Wednesday Night
 
Clear, with a low around 59.
Thursday
 
Sunny, with a high near 87.

 

Forecast from NOAA-NWS for Angwin CA.

Weather Forecast Discussion
747
FXUS66 KMTR 271014
AFDMTR

Area Forecast Discussion
National Weather Service San Francisco CA
314 AM PDT Fri Jun 27 2025

...New SYNOPSIS, SHORT TERM, LONG TERM, MARINE...

.SYNOPSIS...
Issued at 300 AM PDT Fri Jun 27 2025

The June Gloom pattern continues with cloudy coastal conditions,
some sun for the afternoon, and returning cloud cover into the
evening. Expect a slight warm up for the interior today, but a
slow cooling trend for the weekend itself.


&&

.SHORT TERM...
(Today and tonight)
Issued at 300 AM PDT Fri Jun 27 2025

A very similar day to the previous one is ahead of us with low
coastal clouds lingering though the late morning, some breeziness in
the afternoon (especially along the coast) followed by coastal cloud
cover recoveries into the evening. It`s the typical June Gloom
pattern with some lightly warmer conditions for the interior than
previous days.

The overnight forecast package didn`t need to put too many
adjustments into the overall forecast, just some fine adjustments to
the regional winds, marine layer levels, and fog potential. But for
the most part, the forecast remains as advertised. Expect the
temperatures to peak in the upper 50s and low 60s along the coast,
into the 70s slightly more inland, and the 80s to low 90s for the
more inland areas that stay cloud-free today.  Temperatures will be
slightly slower to cool this evening across the region this evening,
and overall low temps will be slightly warmer for Friday night
into Saturday.

&&

.LONG TERM...
(Saturday through Thursday)
Issued at 300 AM PDT Fri Jun 27 2025


The upper-level pattern looks interesting.. for areas to the north,
while our pattern sits mostly in the in-between. A loop of low
pressures affect the the Pacific North West over the next few days
leading to some good and very persistent rain chances.. for just
them. Northern California will mostly stick to zonal flow, to the
point that any rain that pushes south of Oregon gets directed inland
and away from the Bay Area.

There will be a weak trough formation over the Bay Area and Central
Coast into the weekend, causing a slight deepening and inland
expansion of the of the marine layer. This trough will be very slow
to exit, but longer term models hint at a return to mostly zonal
flow again in the mid week, with another weak trough forming right
after.



What does that all mean for the forecast? Not a whole lot.



Temperatures along the coast and the slightly inland areas won`t see
much in the way of variation. Areas that are more inland will see
some cooler conditions as onshore flow continues and the marine layer
reaches farther inland. The pattern of cloudy mornings, clearing
afternoons, then cloudy evenings for the coast and near-coastal
areas will persist through the mid and long term forecast. The
switch from the trough to zonal flow could lead to increased
coastal fog chances, but mostly along the immediate coast.

So we`re far from dynamic weather, but this pattern does keep the
region away from any notable fire weather concerns, with even some
improvements to the interior humidities.


&&

.AVIATION...
(06Z TAFS)
Issued at 1003 PM PDT Thu Jun 26 2025

Patchy stratus along the coast is expected to spread inland across
portions of the Bay Area overnight. Moderate confidence that stratus
will reach SFO, OAK, and APC overnight with high confidence in
stratus at HAF, MRY, and SNS. The marine layer has deepened to
around 1500 ft which should help keep CIGs on the MVFR-IFR border
but there exists some potential for LIFR CIGs to develop along the
coastline. Winds generally stay onshore through the TAF period with
breezier winds during the afternoon/evening and lighter, variable at
times winds overnight.

Vicinity of SFO...Stratus is expected to filter in to the SF Bay
overnight with stratus reaching SFO around 08Z. This leans slightly
on the earlier side with probabilistic guidance suggesting stratus
may come in more permanently around 12Z (compared to slightly
patchier prior to that). CIGs should stay on the MVFR-IFR border
with current thinking leaning more towards MVFR conditions. CIGs
look to clear by mid to late morning with breezy onshore winds
continuing during the afternoon/evening hours.

SFO Bridge Approach...Similar to SFO.

Monterey Bay Terminals...MVFR to LIFR CIGs are expected overnight
with highest confidence in LIFR CIGs developing at MRY. CIGs are
currently patchy in the vicinity of SNS but are expected to fill in
as stratus coverage expands overnight. CIGs will generally clear by
mid to late morning before returning during the early evening hours
at MRY. Guidance indicates CIGs could return to SNS towards the end
of this TAF period but confidence is low that CIGs will return prior
to 06Z. Moderate onshore winds are expected during the
afternoon/evening hours before winds ease overnight.

&&

.MARINE...
(Today through Wednesday)
Issued at 300 AM PDT Fri Jun 27 2025

Gale force winds have eased. Fresh to strong winds will continue
over the outer waters north of Point Reyes through Sunday.
Moderate to rough seas continue through the day today, with
significant wave heights subsiding Saturday into Sunday as winds
ease. The next round of elevated wave heights, strong
northwesterly winds, and moderate to rough seas begins Tuesday and
continues through late next week.

&&

.MTR WATCHES/WARNINGS/ADVISORIES...
CA...None.
PZ...Small Craft Advisory until 3 PM PDT Saturday for Pigeon Pt to Pt
     Pinos 10-60 NM-Pt Arena to Pt Reyes 0-10 nm-Pt Arena to Pt
     Reyes 10-60 NM.

&&

$$

SHORT TERM...Murdock
LONG TERM....Murdock
AVIATION...Kennedy
MARINE...JM

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