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

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* 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

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    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.

    &&