Napa, CA Weather Forecast and Current Conditions

Day Sky High / Low Precip Wind Humidity
Thu
Jul 16
Sunny
Close Hourly
86º / 52º 2% SW 14 mph 54%
4am Clear 57º 2% SW 4 mph 78%
5am Clear 56º 2% SW 4 mph 79%
6am Sunny 56º 2% WSW 3 mph 81%
7am Sunny 58º 2% WSW 4 mph 78%
8am Sunny 61º 1% WSW 4 mph 69%
9am Sunny 65º 1% SW 5 mph 59%
10am Sunny 70º 0% SW 6 mph 50%
11am Sunny 75º 0% SW 7 mph 43%
12pm Sunny 80º 0% SW 9 mph 37%
1pm Sunny 83º 0% SW 11 mph 34%
2pm Sunny 85º 0% SSW 12 mph 32%
3pm Sunny 85º 0% SSW 13 mph 32%
4pm Sunny 85º 0% SSW 14 mph 32%
5pm Sunny 83º 0% SSW 13 mph 34%
6pm Sunny 80º 0% SSW 11 mph 38%
7pm Sunny 77º 0% SSW 11 mph 43%
8pm Sunny 72º 0% SSW 9 mph 50%
9pm Clear 67º 1% S 7 mph 61%
10pm Clear 63º 3% SSW 6 mph 68%
11pm Clear 61º 5% SSW 6 mph 74%
Fri
Jul 17
Partly Cloudy
View Hourly
80º / 53º 23% SSW 12 mph 59%
12am Clear 59º 11% SSW 5 mph 79%
1am Clear 57º 10% SSW 5 mph 83%
2am Clear 56º 15% SW 5 mph 87%
3am Clear 55º 16% SW 4 mph 90%
4am Partly Cloudy 54º 17% SW 3 mph 91%
5am Partly Cloudy 53º 17% WSW 3 mph 92%
6am Partly Cloudy 54º 17% WSW 3 mph 91%
7am Mostly Cloudy 54º 23% WSW 3 mph 92%
8am Partly Cloudy 57º 20% SW 3 mph 84%
9am Mostly Sunny 60º 4% SW 4 mph 76%
10am Sunny 64º 1% SW 5 mph 67%
11am Sunny 68º 0% SSW 6 mph 59%
12pm Sunny 72º 0% SSW 7 mph 54%
1pm Sunny 75º 0% SSW 9 mph 49%
2pm Sunny 77º 0% SSW 10 mph 46%
3pm Sunny 79º 0% SSW 12 mph 44%
4pm Sunny 79º 0% SSW 12 mph 43%
5pm Sunny 78º 0% SSW 12 mph 42%
6pm Sunny 75º 0% SSW 11 mph 46%
7pm Sunny 72º 0% SSW 11 mph 51%
8pm Sunny 67º 2% SSW 9 mph 61%
9pm Clear 62º 5% SSW 7 mph 74%
10pm Clear 59º 13% SSW 6 mph 81%
11pm Partly Cloudy 57º 16% SSW 6 mph 85%
Sat
Jul 18
Partly Cloudy
View Hourly
81º / 54º 22% SSW 11 mph 61%
12am Partly Cloudy 56º 17% SSW 5 mph 90%
1am Mostly Cloudy 56º 16% SW 5 mph 90%
2am Mostly Cloudy 55º 16% SW 5 mph 91%
3am Mostly Cloudy 55º 17% SW 4 mph 93%
Sun
Jul 19
Cloudy 81º / 57º 19% SW 11 mph 58%
Mon
Jul 20
Mostly Cloudy 82º / 59º 18% SW 11 mph 56%
Tue
Jul 21
Partly Cloudy 83º / 59º 19% SW 11 mph 56%
Wed
Jul 22
Sunny 84º / 57º 17% SW 12 mph 58%
Thu
Jul 23
Partly Cloudy 83º / 57º 18% SW 12 mph 59%

Weather Radar for Napa, CA See Radar

* Playback displays weather for the past 6 hours.

NOAA Weather Marine Forecast for Napa, CA

Thursday
High : 73ºF
SW wind 9 to 13 kt. Sunny.
Thursday Night
Low : 56ºF
SW wind 8 to 11 kt. Mostly clear.
Friday
High : 68ºF
SSW wind 7 to 11 kt. Sunny.
Friday Night
Low : 55ºF
SW wind 9 to 11 kt. Increasing clouds.
Saturday
High : 68ºF
SW wind 7 to 10 kt. Mostly sunny.
Saturday Night
Low : 56ºF
SW wind around 11 kt. Partly cloudy.
Sunday
High : 70ºF
WSW wind 7 to 10 kt. Partly sunny.
Sunday Night
Low : 56ºF
WSW wind around 10 kt. Mostly cloudy.
Monday
High : 71ºF
WSW wind around 9 kt. Mostly cloudy.

NOAA Buoy Data Near Napa, CA See Map

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    Wind Speed Forecast for Napa, CA

    ThursdayFridaySaturday
    Wind Speed (MPH) 44914953371295
    11am3pm7pm11pm3am7am11am3pm7pm11pm3am7am
    MPH 44914953371295
    DIR SWWSWSWSSWSSWSSWSWSWSSWSSWSSWSSW

    Current Weather Conditions In Napa, CA

    As Of: 8 minutes ago

    • 57ºF
    • 57ºF
    • 4mph
    • 0º (SW)
    • 4mph
    • Clear
    • 10mi
    • 29.86"
    • 78%
    • 0ºF

    The weather right now in Napa, CA is Clear. The current temperature is 57°F, and the expected high and low for today, Thursday, July 16, 2026, are 86° high temperature and 52°F low temperature. The wind is currently blowing at 4 miles per hour, and coming from the Southwest. The wind is gusting to 4 mph. With the wind and the atmosphere the temperature feels like 57° Fahrenheit. Expected precipitation is 2 percent, with current humidity at 78 percent, and air pressure at 29.86 in. Visibility is 10 nautical miles. There are 1 current weather alert(s).

    Weather Alerts
    Small Craft Advisory - 2:13am Thu Jul 16 2026

    ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 9 AM THIS MORNING TO 9 PM PDT THIS EVENING...

    WHAT: Southwest winds 10 to 20 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 9 AM this morning to 9 PM PDT this evening.

    IMPACTS: Conditions will be hazardous to small craft.

    PRECAUTIONARY / PREPAREDNESS ACTIONS:

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

    &&