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Ben Lomond, California 7 Day Weather Forecast
Wx Forecast - Wx Discussion - Wx Aviation
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NWS Forecast for Ben Lomond CA
National Weather Service Forecast for:
Ben Lomond CA
Issued by: National Weather Service San Francisco Bay Area/Monterey, CA |
| Updated: 6:11 am PST Jan 2, 2025 |
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Today
Sunny
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Tonight
Mostly Clear
then Chance
Rain
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Friday
Rain and
Patchy Fog
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Friday
Night
Chance Rain
and Patchy
Fog
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Saturday
Areas Fog
then Mostly
Sunny
|
Saturday
Night
Partly Cloudy
then Patchy
Fog
|
Sunday
Sunny
|
Sunday
Night
Mostly Clear
|
Monday
Mostly Sunny
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| Hi 68 °F |
Lo 44 °F |
Hi 57 °F |
Lo 40 °F |
Hi 58 °F |
Lo 39 °F |
Hi 63 °F |
Lo 41 °F |
Hi 64 °F |
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Today
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Sunny, with a high near 68. Calm wind. |
Tonight
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A 30 percent chance of rain after 4am. Increasing clouds, with a low around 44. Calm wind. New precipitation amounts of less than a tenth of an inch possible. |
Friday
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Rain, mainly between 7am and 4pm. Patchy fog before 10am. High near 57. Calm wind becoming south southwest around 5 mph in the afternoon. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible. |
Friday Night
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A 40 percent chance of rain, mainly before 10pm. Patchy fog after 10pm. Otherwise, partly cloudy, with a low around 40. Calm wind. New precipitation amounts of less than a tenth of an inch possible. |
Saturday
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Areas of fog before 10am. Otherwise, mostly sunny, with a high near 58. Light north northwest wind. |
Saturday Night
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Patchy fog after 1am. Otherwise, partly cloudy, with a low around 39. |
Sunday
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Sunny, with a high near 63. |
Sunday Night
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Mostly clear, with a low around 41. |
Monday
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Mostly sunny, with a high near 64. |
Monday Night
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Mostly clear, with a low around 42. |
Tuesday
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Sunny, with a high near 65. |
Tuesday Night
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Partly cloudy, with a low around 41. |
Wednesday
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Sunny, with a high near 65. |
Forecast from NOAA-NWS
for Ben Lomond CA.
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Weather Forecast Discussion
361
FXUS66 KMTR 021617
AFDMTR
Area Forecast Discussion
National Weather Service San Francisco CA
817 AM PST Thu Jan 2 2025
...New UPDATE, MARINE...
.SYNOPSIS...
Issued at 312 AM PST Thu Jan 2 2025
Mostly dry today, widespread light rain starting late tonight for
the North Bay spreading across much of the region on Friday.
Conditions dry out for the weekend which then holds into next
week.
&&
.UPDATE...
Issued at 816 AM PST Thu Jan 2 2025
The forecast remains on track this morning with no updates needed at
this time. We are still looking for a frontal boundary to move
through the region late tonight across the North Bay and then spread
southward across the remainder of the region on Friday. This
rainfall will be mostly beneficial with the North Bay most likely to
see rises on creeks and streams. In addition, we are continue to
monitor the forecast with respect to high surf late Friday night
into Saturday.
RGass
&&
.SHORT TERM...
(Today and tonight)
Issued at 312 AM PST Thu Jan 2 2025
Zonal flow is expected over the region today, as weak upper level
high pressure holds over southern CA and upper level disturbance
advances towards the PacNW. This keeps us dry through much of the
day, with North Bay counties potentially seeing rain just before
midnight.
&&
.LONG TERM...
(Friday through Wednesday)
Issued at 312 AM PST Thu Jan 2 2025
Beneficial rain will work its way south and eastward across the
region on Friday. This will likely be the last hurrah for rain
for the foreseeable future as ensemble and cluster analysis shows
ridging holding through the second week of January. Look for a
warming and drying trend during this period, which matches the CPC
6-10 day outlook of temperatures likely above normal and
precipitation likely below normal for this time of year.
&&
.AVIATION...
(12Z TAFS)
Issued at 433 AM PST Thu Jan 2 2025
Gradually increasing clouds today and tonight, light rain beginning
over the North Bay tonight and reaching the rest of the Bay Area
Friday. Surface observations show VFR so far and there`s a good chance
that VFR continues today and into the evening. MVFR to locally IFR
developing over the North Bay late tonight and early Friday morning.
Vicinity of SFO...VFR. Light and variable wind. Light rain developing
by 12z Friday.
SFO Bridge Approach...Similar to SFO.
Monterey Bay Terminals...VFR. East to southeast winds 5 to 10
knots this morning, becoming light and variable this afternoon and
early evening. East to southeast winds redeveloping tonight and
Friday morning.
&&
.MARINE...
(Today through Tuesday)
Issued at 816 AM PST Thu Jan 2 2025
Light winds and moderate seas will prevail today. An incoming cold
front will bring moderate southerly winds and widespread light
rainfall Friday. Incoming moderate period westerly swell and rough
seas will create hazardous conditions Friday and into next week.
&&
.BEACHES...
Issued at 105 AM PST Thu Jan 2 2025
Wave model forecasts indicate long period westerly swell temporarily
arriving along the coastline from Sonoma County to Monterey County
Friday night, decreasing to a moderate period westerly swell Saturday.
While we anticipate an increase in surf, at the present time there
is some uncertainty as to how much there will be according to recent
modeled swell height and period forecasts. Please stay tuned to any
further updates.
Also at the current time, wave model forecasts are showing a newly
arriving long period westerly swell Monday into Tuesday. As always
whenever there is increasing surf - remember to never turn your back
on the ocean and stay out of the water. Again please stay tuned to any
further updates for late week, additionally for early next week.
&&
.MTR WATCHES/WARNINGS/ADVISORIES...
CA...None.
PZ...Small Craft Advisory from 9 AM to 9 PM PST Friday for Pt Arena
to Pt Reyes 0-10 nm.
Small Craft Advisory from 3 PM to 9 PM PST Friday for Pigeon Pt
to Pt Pinos 10-60 NM-Pt Reyes to Pigeon Pt 0-10 nm.
Small Craft Advisory from 3 AM to 9 PM PST Friday for Pt Arena
to Pt Reyes 10-60 NM.
&&
$$
SHORT TERM...KR
LONG TERM....KR
AVIATION...Canepa
MARINE...Sarment
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