Napa, CA Weather Forecast and Current Conditions

Day Sky High / Low Precip Wind Humidity
Thu
Jun 25 		Mostly Clear
Close Hourly 		-º / 56º 6% SW 9 mph 79%
10pm Clear 59º 2% SSW 9 mph 77%
11pm Clear 58º 2% SSW 9 mph 78%
Fri
Jun 26 		Partly Cloudy
View Hourly 		77º / 56º 5% WSW 18 mph 62%
12am Clear 57º 3% SW 8 mph 80%
1am Partly Cloudy 58º 3% SW 7 mph 78%
2am Partly Cloudy 57º 3% SW 7 mph 79%
3am Partly Cloudy 57º 3% SW 7 mph 79%
4am Partly Cloudy 57º 3% WSW 7 mph 80%
5am Partly Cloudy 57º 6% WSW 6 mph 81%
6am Partly Cloudy 57º 7% WSW 6 mph 81%
7am Partly Cloudy 58º 5% WSW 6 mph 81%
8am Partly Cloudy 61º 6% WSW 7 mph 75%
9am Partly Cloudy 64º 6% WSW 8 mph 67%
10am Mostly Sunny 67º 0% WSW 9 mph 61%
11am Mostly Sunny 71º 0% WSW 11 mph 57%
12pm Sunny 74º 0% WSW 12 mph 55%
1pm Sunny 75º 0% SW 14 mph 55%
2pm Mostly Sunny 76º 0% SW 16 mph 54%
3pm Sunny 75º 0% SW 17 mph 56%
4pm Sunny 74º 0% SW 18 mph 58%
5pm Sunny 73º 0% SW 18 mph 59%
6pm Sunny 71º 0% SW 16 mph 63%
7pm Sunny 68º 2% SW 14 mph 69%
8pm Partly Cloudy 65º 4% WSW 12 mph 77%
9pm Partly Cloudy 62º 6% WSW 10 mph 83%
10pm Partly Cloudy 60º 7% WSW 9 mph 87%
11pm Mostly Cloudy 60º 8% WSW 9 mph 88%
Sat
Jun 27 		Partly Cloudy
View Hourly 		75º / 51º 6% WSW 16 mph 57%
12am Mostly Cloudy 59º 8% WSW 9 mph 91%
1am Mostly Cloudy 58º 8% WSW 10 mph 92%
2am Mostly Cloudy 58º 8% WSW 10 mph 91%
3am Mostly Cloudy 58º 8% WSW 10 mph 90%
4am Mostly Cloudy 58º 8% WSW 9 mph 88%
5am Mostly Cloudy 58º 8% WSW 8 mph 87%
6am Mostly Cloudy 57º 7% WSW 8 mph 87%
7am Mostly Cloudy 58º 6% WSW 8 mph 85%
8am Mostly Cloudy 60º 4% W 9 mph 80%
9am Partly Cloudy 62º 2% W 9 mph 72%
10am Partly Cloudy 65º 1% WSW 9 mph 63%
11am Sunny 67º 0% WSW 9 mph 58%
12pm Sunny 70º 0% WSW 10 mph 52%
1pm Sunny 72º 0% SW 12 mph 48%
2pm Sunny 73º 0% SW 13 mph 46%
3pm Sunny 73º 0% SW 15 mph 45%
4pm Sunny 73º 0% SW 16 mph 46%
5pm Sunny 73º 0% SW 15 mph 45%
6pm Sunny 72º 0% SW 14 mph 43%
7pm Sunny 71º 0% WSW 12 mph 45%
8pm Sunny 68º 0% WSW 10 mph 48%
9pm Clear 64º 0% W 8 mph 55%
Sun
Jun 28 		Sunny 82º / 54º 1% WNW 11 mph 37%
Mon
Jun 29 		Sunny 83º / 53º 4% SW 12 mph 47%
Tue
Jun 30 		Sunny 80º / 53º 6% SW 13 mph 56%
Wed
Jul 1 		Partly Cloudy 77º / 51º 18% SSW 13 mph 59%
Thu
Jul 2 		Sunny 75º / 53º 5% SW 14 mph 61%

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 around 15 kt. Partly cloudy.
Friday
High : 68ºF
WSW wind 14 to 17 kt, with gusts as high as 24 kt. Partly sunny, then gradually becoming sunny.
Friday Night
Low : 57ºF
WSW wind 17 to 19 kt, with gusts as high as 25 kt. Increasing clouds.
Saturday
High : 66ºF
WSW wind 12 to 17 kt. Partly sunny, then gradually becoming sunny.
Saturday Night
Low : 54ºF
WSW wind 6 to 15 kt, with gusts as high as 21 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 : 56ºF
WSW wind 6 to 11 kt becoming variable and less than 5 kt after midnight. Clear.
Monday
High : 78ºF
Variable winds less than 5 kt becoming SW 5 to 9 kt in the afternoon. Sunny.
Monday Night
Low : 55ºF
SSW wind 6 to 10 kt. Mostly clear.

NOAA Buoy Data Near Napa, CA See Map

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    Wind Speed Forecast for Napa, CA

    FridaySaturdaySunday
    Wind Speed (MPH) 97691616910891314
    5am9am1pm5pm9pm1am5am9am1pm5pm9pm1am
    MPH 97691616910891314
    DIR SSWSWWSWWSWSWSWWSWWSWWSWWSWSWSW

    Current Weather Conditions In Napa, CA

    As Of: 28 minutes ago

    • 59ºF
    • 57ºF
    • 9mph
    • 0º (SSW)
    • 9mph
    • Clear
    • 10mi
    • 29.82"
    • 77%
    • 0ºF

    The weather right now in Napa, CA is Clear. The current temperature is 59°F, and the expected high and low for today, Thursday, June 25, 2026, are -° high temperature and 56°F low temperature. The wind is currently blowing at 9 miles per hour, and coming from the South Southwest. The wind is gusting to 9 mph. With the wind and the atmosphere the temperature feels like 57° Fahrenheit. Expected precipitation is 2 percent, with current humidity at 77 percent, and air pressure at 29.82 in. Visibility is 10 nautical miles. There are 1 current weather alert(s).

    Weather Alerts
    Small Craft Advisory - 8:38pm Thu Jun 25 2026

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

    WHAT: Southwest winds 10 to 20 kt with gusts up to 30 kt and
    choppy waters.

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

    WHEN: Until 3 AM PDT Saturday.

    IMPACTS: Conditions will be hazardous to small craft.

    PRECAUTIONARY / PREPAREDNESS ACTIONS:

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

    &&