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Crescent City, California 7 Day Weather Forecast
Wx Forecast - Wx Discussion - Wx Aviation
NWS Forecast for Crescent City CA
National Weather Service Forecast for: Crescent City CA
Issued by: National Weather Service Eureka, CA
Updated: 11:33 pm PDT Jul 6, 2025
 
Overnight

Overnight: Partly cloudy, with a low around 53. Light north northwest wind.
Partly Cloudy

Monday

Monday: Mostly sunny, with a high near 61. Light and variable wind becoming south 10 to 15 mph in the morning. Winds could gust as high as 23 mph.
Mostly Sunny

Monday
Night
Monday Night: Patchy dense fog after 2am.  Otherwise, mostly cloudy, with a low around 52. South wind 8 to 13 mph becoming light south southwest  after midnight. Winds could gust as high as 20 mph.
Mostly Cloudy
then Patchy
Dense Fog
Tuesday

Tuesday: Patchy fog before 8am.  Otherwise, mostly cloudy, with a high near 61. South southwest wind 5 to 8 mph.
Patchy Fog
then Partly
Sunny
Tuesday
Night
Tuesday Night: Mostly cloudy, with a low around 52. South southwest wind around 6 mph becoming calm  in the evening.
Mostly Cloudy

Wednesday

Wednesday: Partly sunny, with a high near 63. Light northwest wind increasing to 5 to 10 mph in the afternoon.
Partly Sunny

Wednesday
Night
Wednesday Night: Partly cloudy, with a low around 54.
Partly Cloudy

Thursday

Thursday: Mostly sunny, with a high near 68. Breezy.
Mostly Sunny
then Sunny
and Breezy
Thursday
Night
Thursday Night: Partly cloudy, with a low around 55. Breezy.
Mostly Clear
and Breezy
then Partly
Cloudy
Lo 53 °F Hi 61 °F Lo 52 °F Hi 61 °F Lo 52 °F Hi 63 °F Lo 54 °F Hi 68 °F Lo 55 °F

 

Overnight
 
Partly cloudy, with a low around 53. Light north northwest wind.
Monday
 
Mostly sunny, with a high near 61. Light and variable wind becoming south 10 to 15 mph in the morning. Winds could gust as high as 23 mph.
Monday Night
 
Patchy dense fog after 2am. Otherwise, mostly cloudy, with a low around 52. South wind 8 to 13 mph becoming light south southwest after midnight. Winds could gust as high as 20 mph.
Tuesday
 
Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 61. South southwest wind 5 to 8 mph.
Tuesday Night
 
Mostly cloudy, with a low around 52. South southwest wind around 6 mph becoming calm in the evening.
Wednesday
 
Partly sunny, with a high near 63. Light northwest wind increasing to 5 to 10 mph in the afternoon.
Wednesday Night
 
Partly cloudy, with a low around 54.
Thursday
 
Mostly sunny, with a high near 68. Breezy.
Thursday Night
 
Partly cloudy, with a low around 55. Breezy.
Friday
 
Mostly sunny, with a high near 67. Breezy.
Friday Night
 
Partly cloudy, with a low around 56. Breezy.
Saturday
 
Mostly sunny, with a high near 68.
Saturday Night
 
Partly cloudy, with a low around 56.
Sunday
 
Partly sunny, with a high near 70.

 

Forecast from NOAA-NWS for Crescent City CA.

Weather Forecast Discussion
340
FXUS66 KEKA 070704
AFDEKA

AREA FORECAST DISCUSSION
National Weather Service Eureka CA
1204 AM PDT Mon Jul 7 2025

.SYNOPSIS...Warm temperatures expected again today in the interior,
before some relief midweek. There is a slight chance for interior
thunderstorms Monday. Hot weather with temperatures over 100 degrees
possible Thursday into the weekend.


&&

.DISCUSSION...High pressure continues to build in to our east while
a cutoff low forms off the coast of central California. Warmer high
temperatures are expected again today with 90s likely in most
valleys and possibly triple digits in the Trinity River valley. The
upper low off the coast moves closer over the coming days, which
will trend temperatures lower. High temperatures are forecast to
lower 5-10 degrees, closer to seasonal normals.

Moisture associated with the upper low along with still warm
temperatures in the afternoon and evening brings a slight chance for
thunderstorms in the afternoon and evening. In the afternoon, the
highest chances are in northern Trinity and chances slowing
increasing eastward into NE Humboldt and E Del Norte into the
evening and perhaps overnight. Instability looks supportive of
convection, but moisture may still be limited. The upper low slowly
moves northward and eastward Tuesday and Wednesday, moving most
thunder potential out of the area. A stray shower isn`t out of the
question Wednesday as the low moves through the area, but thunder
has become less likely.

High pressure builds back into the area Thursday, bringing hot
temperatures back into the interior. NBM probabilities of seeing
over 100 degrees is around 50%-60% Thursday for most interior
valleys. Probabilities increase to over 90% by Friday with around
50% probabilities of 105 or greater. Widespread moderate to locally
major HeatRisk is expected, meaning heat will be dangerous to those
sensitive and without sufficient cooling. Ensembles are showing high
probabilities for high pressure to remain over the area through at
least early next week, with triple digit temperatures remaining
possible. JB


&&

.AVIATION...Southerly winds at the at the coastal terminals are
eventually going to reverse the coastal stratus into the terminals.
VFR conditions at KACV have already been reduced to MVFR as density
increases and visibility decreases. Stratus is cascading from the
north with a pre-existing band straddling the coastline south of Cape
Mendocino. Model soundings for KACV and KCEC are showing a strong
low level inversion with light wind into the early morning hours
which corroborates the NBM probabilities of 40% for ceilings less
than 500ft, overnight into Monday early morning hours. KUKI will be
shielded from the marine layer. /EYS


&&

.MARINE...Steep seas already being observed on buoys as they
propagate into the northern inner waters. Gusts approaching 40
knots are possible as the strongest winds develop into Monday
morning in Z470. Isolated gusts 15 to 25 knots are possible in far
northern Z450 near Crescent City. Steep and hazardous wind waves
9 to 13 feet are forecast in response to these winds. Conditions
will quickly diminish on Monday as a closed upper low cycles off
the CA coast -winds may be light and southerly directly adjacent
to the coast. Long range models beginning to identify another
period of strong northerlies mid to late week as high pressure
builds in from the SE.


&&

.FIRE WEATHER...Warm temperatures and low afternoon humidities
continue today, with slightly lower temperatures expected mid week.
Overnight recoveries generally remain good aside from the exposed
ridges in the thermal belt. There is a slight chance (15%) for
thunderstorms this afternoon and evening in the Klamath mountains,
which bring a few dry lightning strikes and gusty, erratic winds.
Much hotter temperatures and drier humidity are likely in the
interior late next week. Triple digit temperatures are likely in
most of the interior with very low afternoon RHs and moderate
overnight recoveries.


&&

.EKA WATCHES/WARNINGS/ADVISORIES...
CA...
None.
NORTHWEST CALIFORNIA COASTAL WATERS...
     Small Craft Advisory until 9 AM PDT this morning for PZZ450.

     Gale Warning until 9 AM PDT this morning for PZZ470.

     Small Craft Advisory until 6 AM PDT Tuesday for PZZ475.

&&

$$

NOTE: The full forecast discussion is now regularly issued between
10 am/pm and 1 pm/am. Additional updates will be issued as needed.

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https://www.weather.gov/images/eka/zonemap.png
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Forecast Discussion from: NOAA-NWS Script developed by: El Dorado Weather






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