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Cotati, California 7 Day Weather Forecast
Wx Forecast - Wx Discussion - Wx Aviation
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NWS Forecast for Cotati CA
National Weather Service Forecast for:
Cotati CA
Issued by: National Weather Service San Francisco Bay Area/Monterey, CA |
| Updated: 10:26 pm PST Nov 1, 2026 |
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Tonight
Areas Fog
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Monday
Patchy Fog
then Mostly
Cloudy
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Monday
Night
Patchy Fog
then Chance
Rain and
Areas Fog
|
Tuesday
Rain and
Patchy Fog
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Tuesday
Night
Chance Rain
then Patchy
Fog
|
Wednesday
Patchy Fog
then Sunny
|
Wednesday
Night
Partly Cloudy
then Patchy
Fog
|
Thursday
Patchy Fog
then Sunny
|
Thursday
Night
Patchy Fog
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| Lo 41 °F |
Hi 67 °F |
Lo 44 °F |
Hi 62 °F |
Lo 43 °F |
Hi 69 °F |
Lo 43 °F |
Hi 72 °F |
Lo 42 °F |
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Tonight
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Areas of fog. Otherwise, increasing clouds, with a low around 41. Calm wind. |
Monday
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Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 67. Light and variable wind. |
Monday Night
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A 30 percent chance of rain, mainly after 5am. Patchy fog before 11pm, then areas of fog after midnight. Otherwise, increasing clouds, with a low around 44. Calm wind. New precipitation amounts of less than a tenth of an inch possible. |
Tuesday
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Rain. Patchy fog before 7am. High near 62. South wind 3 to 5 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible. |
Tuesday Night
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A 50 percent chance of rain before 10pm. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 43. Calm wind. New precipitation amounts of less than a tenth of an inch possible. |
Wednesday
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Patchy fog before 11am. Otherwise, mostly sunny, with a high near 69. |
Wednesday Night
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Patchy fog after 1am. Otherwise, partly cloudy, with a low around 43. |
Thursday
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Patchy fog before 9am. Otherwise, mostly sunny, with a high near 72. |
Thursday Night
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Patchy fog after 9pm. Otherwise, partly cloudy, with a low around 42. |
Friday
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Areas of fog before 8am. Otherwise, mostly sunny, with a high near 74. |
Friday Night
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Patchy fog. Otherwise, mostly clear, with a low around 45. |
Saturday
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Patchy fog. Otherwise, sunny, with a high near 76. |
Saturday Night
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Patchy fog. Otherwise, partly cloudy, with a low around 45. |
Sunday
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Areas of fog. Otherwise, mostly sunny, with a high near 75. |
Forecast from NOAA-NWS
for Cotati CA.
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Weather Forecast Discussion
391
FXUS66 KMTR 020540
AFDMTR
Area Forecast Discussion
National Weather Service San Francisco CA
940 PM PST Sun Nov 1 2026
...New UPDATE...
.KEY MESSAGES...
Updated at 234 PM PST Sun Nov 1 2026
- Minor coastal flooding at high tide for the Bayshore through this
evening.
- Hazardous beach conditions late tonight through Tuesday evening
- Seasonal to slightly below seasonal temperatures through Thursday
- Light rain for the Bay Area and Santa Cruz County Tuesday
&&
.UPDATE...
Issued at 934 PM PST Sun Nov 1 2026
The day began with showers and rainbows, but precip quickly ended
and so did the rainbows. Pleasant weather prevailed for the rest
of the day with seasonably cool temps.
Pretty quiet evening as well. Sunset and lingering cumulus clouds
faded. Clear skies prevail this evening. The big question for
tonight will be, can enough radiational cooling occur before high
clouds arrive? Latest satellite already shows some high clouds
creeping in from the west. We`ll be watching it closely. No update
needed at this time...
&&
.SHORT TERM...
Issued at 234 PM PST Sun Nov 1 2026
(This evening through Monday night)
An upper level low and associated cold front worked its way through
the region this morning. Behind it a mix of sun and clouds, with
cool temperatures peaking in the 60s for interior valley locations,
upper 50s to low 60s along the coast, and mid 50s to low 60s in the
hills and mountains. As the sunsets, cumulus clouds should dissipate
and onshore winds will ease. Guidance tonight shows high clouds
moving in, which makes the forecast a bit interesting. Current
thinking is that these will roll in and limit radiational cooling and
radiational fog development. Kept the shot for patchy fog in the
forecast for the interior valleys of the Bay Area, but it will be
dependent on cloud cover and winds. High pressure continues to build
in on Monday which will lead to slightly warmer temperatures and dry
weather.
&&
.LONG TERM...
Issued at 234 PM PST Sun Nov 1 2026
(Tuesday through next Saturday)
A quick moving shortwave trough will bring light rain to Bay Area
and Santa Cruz on Tuesday, with perhaps some showers making into
northern Monterey and San Benito counties. Rainfall amounts look to
be light and generally around 0.15-0.40" for the North Bay, and 0.05-
0.25" for the San Francisco Peninsula, East Bay, and Santa Cruz, and
around 0.0-0.10" for Santa Clara County. south of that amounts in
Monterey and San Benito are generally a couple hundredths of an inch
or less. Once the this shortwave moves through, we`ll see a mix of
zonal flow and ridging builds behind it. This will lead to a warming
and drying trend through the week.
&&
.AVIATION...
(06Z TAFS)
Issued at 902 PM PST Sun Nov 1 2026
VFR and patchy fog /IFR-LIFR/ is forecast for the 06z TAFs. High
clouds also moving in from the west tonight and Monday.
Vicinity of SFO...VFR. West to northwest wind 5 knots becoming
light southeasterly to easterly early Monday morning. West wind 5
knots redeveloping by early Monday evening.
SFO Bridge Approach...Similar to SFO.
Monterey Bay Terminals...VFR. Winds southeasterly 5 to 15 knots
late tonight and Monday morning. Winds onshore near 10 knots Monday
afternoon and early evening.
&&
.MARINE...
(Tonight through next Saturday)
Issued at 900 PM PST Sun Nov 1 2026
Moderate to fresh northwesterly winds will continue with some
fresh to strong gusts lingering through the evening. Hazardous
conditions for small craft are expected and will ease from north
to south. Gentle to moderate breezes and moderate seas will
prevail, building to become rough in the outer waters Tuesday into
Wednesday.
&&
.MTR WATCHES/WARNINGS/ADVISORIES...
CA...Beach Hazards Statement from 5 AM PST Monday through Tuesday
evening for CAZ006-505-509-529-530.
PZ...Small Craft Advisory from 3 AM to 3 PM PST Tuesday for Pt Arena
to Pt Reyes 10-60 NM.
&&
$$
SHORT TERM...KR
LONG TERM....KR
AVIATION...Canepa
MARINE...Canepa
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