Napa, CA Weather Forecast and Current Conditions

Day Sky High / Low Precip Wind Humidity
Fri
Jun 5
Clear
Close Hourly
-º / 52º 2% WSW 8 mph 55%
8pm Sunny 74º 0% SW 9 mph 42%
9pm Clear 68º 0% SW 8 mph 49%
10pm Clear 65º 0% SW 7 mph 52%
11pm Clear 63º 1% SW 7 mph 55%
Sat
Jun 6
Partly Cloudy
View Hourly
81º / 48º 1% SW 13 mph 39%
12am Clear 61º 1% SW 6 mph 58%
1am Clear 59º 1% SW 6 mph 60%
2am Clear 58º 1% WSW 4 mph 62%
3am Clear 56º 1% WSW 4 mph 64%
4am Mostly Clear 55º 2% WSW 3 mph 66%
5am Clear 54º 2% W 3 mph 68%
6am Sunny 53º 2% W 3 mph 69%
7am Sunny 55º 1% W 2 mph 64%
8am Sunny 59º 0% W 3 mph 57%
9am Sunny 63º 0% W 4 mph 50%
10am Sunny 67º 0% WSW 5 mph 42%
11am Partly Cloudy 71º 0% SW 6 mph 36%
12pm Partly Cloudy 74º 0% SW 7 mph 33%
1pm Partly Cloudy 77º 0% SW 9 mph 31%
2pm Partly Cloudy 78º 0% SW 10 mph 31%
3pm Mostly Sunny 79º 0% SW 12 mph 32%
4pm Sunny 79º 0% SW 13 mph 32%
5pm Sunny 79º 0% SW 13 mph 32%
6pm Sunny 77º 0% SW 12 mph 33%
7pm Sunny 74º 0% WSW 11 mph 35%
8pm Sunny 69º 0% WSW 8 mph 42%
9pm Clear 63º 0% SW 6 mph 50%
10pm Clear 61º 0% SW 5 mph 55%
11pm Clear 57º 1% SSW 5 mph 62%
Sun
Jun 7
Mostly Sunny
View Hourly
82º / 52º 2% SW 12 mph 41%
12am Clear 56º 2% SW 5 mph 66%
1am Clear 54º 3% SSW 4 mph 70%
2am Clear 52º 4% SW 2 mph 74%
3am Clear 52º 4% SW 2 mph 76%
4am Clear 50º 4% WSW 2 mph 77%
5am Clear 50º 4% WNW 2 mph 79%
6am Sunny 49º 4% WNW 2 mph 82%
7am Sunny 53º 2% WNW 2 mph 73%
8am Sunny 58º 0% SW 2 mph 63%
9am Sunny 63º 0% SW 3 mph 52%
10am Sunny 68º 0% SW 4 mph 43%
11am Sunny 72º 0% SSW 5 mph 37%
12pm Mostly Sunny 76º 0% SSW 6 mph 34%
1pm Mostly Sunny 78º 0% SSW 8 mph 31%
2pm Mostly Sunny 80º 0% SSW 10 mph 31%
3pm Mostly Sunny 80º 0% SSW 11 mph 30%
4pm Sunny 80º 0% SW 12 mph 30%
5pm Mostly Sunny 79º 0% SW 12 mph 30%
6pm Mostly Sunny 77º 0% SW 11 mph 34%
7pm Partly Cloudy 74º 0% SW 10 mph 37%
Mon
Jun 8
Mostly Cloudy 71º / 56º 7% WSW 14 mph 57%
Tue
Jun 9
AM Clouds/PM Sun 77º / 53º 18% WSW 12 mph 67%
Wed
Jun 10
Sunny 88º / 61º 2% W 10 mph 41%
Thu
Jun 11
Sunny 94º / 61º 0% NW 11 mph 29%
Fri
Jun 12
Sunny 91º / 57º 0% WSW 11 mph 32%

Weather Radar for Napa, CA See Radar

* Playback displays weather for the past 6 hours.

NOAA Weather Marine Forecast for Napa, CA

Tonight
Low : 57ºF
WSW wind 11 to 15 kt. Mostly clear.
Saturday
High : 70ºF
WSW wind 9 to 12 kt. Mostly sunny.
Saturday Night
Low : 53ºF
WSW wind 5 to 13 kt. Mostly clear.
Sunday
High : 72ºF
Variable winds less than 5 kt becoming WSW 5 to 9 kt in the afternoon. Sunny.
Sunday Night
Low : 54ºF
WSW wind around 12 kt. Partly cloudy.
Monday
High : 68ºF
WSW wind 11 to 14 kt, with gusts as high as 20 kt. Mostly sunny.
Monday Night
Low : 57ºF
WSW wind 12 to 15 kt, with gusts as high as 24 kt. Mostly cloudy.
Tuesday
High : 72ºF
WSW wind 8 to 10 kt. Mostly sunny.
Tuesday Night
Low : 54ºF
WSW wind 5 to 12 kt, with gusts as high as 18 kt. Mostly clear.

NOAA Buoy Data Near Napa, CA See Map

Loading Map...
Loading Buoy Data...

    Wind Speed Forecast for Napa, CA

    SaturdaySunday
    Wind Speed (MPH) 96337138522612
    3am7am11am3pm7pm11pm3am7am11am3pm7pm11pm
    MPH 96337138522612
    DIR SWSWWSWWSWSWWSWSWWSWSWSSWSW

    Current Weather Conditions In Napa, CA

    As Of: 53 minutes ago

    • 74ºF
    • 74ºF
    • 9mph
    • 0º (SW)
    • 9mph
    • Sunny
    • 10mi
    • 29.72"
    • 42%
    • 0ºF

    The weather right now in Napa, CA is Sunny. The current temperature is 74°F, and the expected high and low for today, Friday, June 5, 2026, are -° high temperature and 52°F low temperature. The wind is currently blowing at 9 miles per hour, and coming from the Southwest. The wind is gusting to 9 mph. With the wind and the atmosphere the temperature feels like 74° Fahrenheit. Expected precipitation is 0 percent, with current humidity at 42 percent, and air pressure at 29.72 in. Visibility is 10 nautical miles. There are 1 current weather alert(s).

    Weather Alerts
    Small Craft Advisory - 3:19pm Fri Jun 5 2026

    ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM PDT SUNDAY...

    WHAT: Southwest winds 10 to 15 kt with gusts up to 25 kt and
    a moderate chop expected.

    WHERE: San Pablo Bay, Suisun Bay, the West Delta and the San
    Francisco Bay north of the Bay Bridge.

    WHEN: From 3 PM this afternoon to 3 AM PDT Sunday.

    IMPACTS: Conditions will be hazardous to small craft.

    PRECAUTIONARY / PREPAREDNESS ACTIONS:

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

    &&