Weather Forecast for Napa & Sonoma

California, United States of America

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Current Weather - Napa & Sonoma: 14°C

California, United States of America

Clear

Feels like 14°C

Wind

8 km/h WSW

Humidity

89%

Pressure

1014 mb

UV Index

0

Visibility

16 km

Sunny

Sunny

Saturday, July 25, 2026

High

32°C

Low

13°C

Rain Chance

3%

Hourly Forecast

Sunny 26°C
11:00
Sunny 29°C
12:00
Sunny 31°C
13:00
Sunny 32°C
14:00
Sunny 31°C
15:00
Sunny 31°C
16:00
Sunny 29°C
17:00
Sunny 28°C
18:00
Sunny 26°C
19:00
Sunny 22°C
20:00
Clear 18°C
21:00
Clear 16°C
22:00
Clear 15°C
23:00
Jul 26

Day Statistics

Maximum Wind

20 km/h

Humidity

61%

Precipitation

0 mm

UV Index

10

Visibility

10 km

Rain Chance

3%

Snow Chance

0%

Sun & Moon

Sunrise

06:05 AM

Sunset

08:25 PM

Moonrise

06:22 PM

Moonset

02:29 AM

Moon Phase

Waxing Gibbous

Moon Illumination

90%

Air Quality

PM2.5

6.7

μg/m³

PM10

9.2

μg/m³

NO₂

4

μg/m³

O₃

53.9

μg/m³

SO₂

0.7

μg/m³

CO

91.4

μg/m³

US EPA Index: 1 GB DEFRA Index: 1

Weather Alerts

Small Craft Advisory issued July 24 at 2:40PM PDT until July 26 at 3:00PM PDT by NWS San Francisco CA

Coastal Waters from Point Arena to Point Reyes California out to 10 nm Jul 24, 02:40 PM - Jul 24, 10:45 PM
Severity: Minor Urgency: Expected

* WHAT...Northwest winds 15 to 25 kt with gusts up to 30 kt. * WHERE...Coastal Waters from Point Arena to Point Reyes California out to 10 NM. * WHEN...Until 3 PM PDT Sunday. * IMPACTS...Conditions will be hazardous to small craft.

Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions.

Event: Small Craft Advisory Certainty: Likely Category: Met

Small Craft Advisory issued July 24 at 8:33PM PDT until July 27 at 3:00PM PDT by NWS San Francisco CA

Coastal Waters from Point Arena to Point Reyes California out to 10 nm Jul 24, 08:33 PM - Jul 25, 04:45 AM
Severity: Minor Urgency: Expected

* WHAT...Northwest winds 15 to 25 kt with gusts up to 30 kt. * WHERE...Coastal Waters from Point Arena to Point Reyes California out to 10 NM. * WHEN...Until 3 PM PDT Monday. * IMPACTS...Conditions will be hazardous to small craft.

Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions.

Event: Small Craft Advisory Certainty: Likely Category: Met

Small Craft Advisory issued July 24 at 2:40PM PDT until July 24 at 9:00PM PDT by NWS San Francisco CA

San Francisco Bay South of the Bay Bridge Jul 24, 02:40 PM - Jul 24, 10:45 PM
Severity: Minor Urgency: Expected

* WHAT...For the first Small Craft Advisory, west winds 10 to 15 kt with gusts up to 25 kt and a moderate chop expected. For the second Small Craft Advisory, west winds 10 to 15 kt with gusts up to 25 kt and a moderate chop expected. * WHERE...San Francisco Bay South of the Bay Bridge. * WHEN...For the first Small Craft Advisory, until 9 PM PDT this evening. For the second Small Craft Advisory, from 9 AM to 9 PM PDT Saturday. * IMPACTS...Conditions will be hazardous to small craft.

Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions.

Event: Small Craft Advisory Certainty: Likely Category: Met

Small Craft Advisory issued July 24 at 2:40PM PDT until July 25 at 9:00PM PDT by NWS San Francisco CA

San Francisco Bay South of the Bay Bridge Jul 24, 02:40 PM - Jul 24, 10:45 PM
Severity: Minor Urgency: Expected

* WHAT...For the first Small Craft Advisory, west winds 10 to 15 kt with gusts up to 25 kt and a moderate chop expected. For the second Small Craft Advisory, west winds 10 to 15 kt with gusts up to 25 kt and a moderate chop expected. * WHERE...San Francisco Bay South of the Bay Bridge. * WHEN...For the first Small Craft Advisory, until 9 PM PDT this evening. For the second Small Craft Advisory, from 9 AM to 9 PM PDT Saturday. * IMPACTS...Conditions will be hazardous to small craft.

Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions.

Event: Small Craft Advisory Certainty: Likely Category: Met

Small Craft Advisory issued July 24 at 8:33PM PDT until July 24 at 9:00PM PDT by NWS San Francisco CA

San Francisco Bay South of the Bay Bridge Jul 24, 08:33 PM - Jul 25, 04:45 AM
Severity: Minor Urgency: Expected

* WHAT...West winds 15 to 25 kt and a moderate chop expected. * WHERE...San Francisco Bay South of the Bay Bridge. * WHEN...From 9 AM to 9 PM PDT Saturday. * IMPACTS...Conditions will be hazardous to small craft.

Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions.

Event: Small Craft Advisory Certainty: Likely Category: Met