Napa, CA Weather Forecast and Current Conditions

Day Sky High / Low Precip Wind Humidity
Wed
Aug 5 		Partly Cloudy
Close Hourly 		84º / 55º 15% SW 11 mph 65%
6am Cloudy 56º 15% WSW 5 mph 96%
7am Cloudy 56º 15% W 4 mph 95%
8am Mostly Cloudy 59º 15% WSW 4 mph 89%
9am Partly Cloudy 62º 15% WSW 4 mph 81%
10am Mostly Sunny 66º 1% SW 5 mph 72%
11am Sunny 71º 0% SW 6 mph 62%
12pm Sunny 75º 0% SSW 7 mph 55%
1pm Sunny 78º 0% SSW 8 mph 50%
2pm Sunny 80º 0% SSW 9 mph 47%
3pm Sunny 82º 0% SSW 10 mph 44%
4pm Sunny 83º 0% SSW 11 mph 42%
5pm Sunny 82º 0% SSW 11 mph 42%
6pm Sunny 79º 0% SSW 10 mph 44%
7pm Sunny 76º 0% SSW 9 mph 49%
8pm Sunny 72º 0% SSW 8 mph 59%
9pm Clear 67º 2% SSW 7 mph 70%
10pm Clear 63º 5% SSW 6 mph 78%
11pm Clear 61º 7% SSW 6 mph 84%
Thu
Aug 6 		Partly Cloudy
View Hourly 		86º / 55º 20% SW 11 mph 56%
12am Mostly Clear 59º 8% SW 5 mph 88%
1am Partly Cloudy 59º 9% SW 5 mph 90%
2am Partly Cloudy 58º 9% SW 5 mph 91%
3am Partly Cloudy 57º 21% WSW 4 mph 94%
4am Mostly Cloudy 57º 21% WSW 4 mph 95%
5am Mostly Cloudy 56º 21% W 3 mph 94%
6am Mostly Cloudy 56º 21% W 3 mph 95%
7am Mostly Cloudy 56º 21% W 3 mph 94%
8am Mostly Cloudy 59º 20% WSW 3 mph 86%
9am Partly Cloudy 62º 5% WSW 3 mph 77%
10am Mostly Sunny 66º 2% SW 4 mph 68%
11am Sunny 71º 0% SSW 5 mph 57%
12pm Sunny 76º 0% SSW 7 mph 50%
1pm Sunny 80º 0% SSW 7 mph 46%
2pm Sunny 83º 0% SSW 9 mph 42%
3pm Sunny 84º 0% SSW 10 mph 39%
4pm Sunny 85º 0% SSW 11 mph 37%
5pm Sunny 84º 0% SSW 11 mph 36%
6pm Sunny 82º 0% SSW 10 mph 38%
7pm Sunny 78º 0% SSW 10 mph 44%
8pm Sunny 72º 0% SSW 8 mph 55%
9pm Clear 67º 2% SSW 6 mph 65%
10pm Clear 64º 5% SSW 6 mph 74%
11pm Mostly Clear 62º 6% SSW 6 mph 79%
Fri
Aug 7 		Partly Cloudy
View Hourly 		88º / 57º 12% SW 11 mph 56%
12am Mostly Clear 60º 8% SW 5 mph 83%
1am Partly Cloudy 59º 8% SW 5 mph 86%
2am Partly Cloudy 59º 15% SW 5 mph 87%
3am Partly Cloudy 58º 16% WSW 5 mph 90%
4am Partly Cloudy 57º 16% WSW 4 mph 90%
5am Partly Cloudy 56º 23% W 3 mph 91%
Sat
Aug 8 		Partly Cloudy 88º / 58º 6% SW 11 mph 54%
Sun
Aug 9 		Partly Cloudy 89º / 57º 5% SSW 11 mph 53%
Mon
Aug 10 		Mostly Sunny 83º / 56º 18% SSW 11 mph 59%
Tue
Aug 11 		Mostly Sunny 83º / 56º 18% SSW 11 mph 59%
Wed
Aug 12 		Partly Cloudy 81º / 56º 18% SSW 11 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

Today
High : 70ºF
SW wind 8 to 11 kt. Mostly cloudy through mid morning, then gradual clearing.
Tonight
Low : 57ºF
WSW wind 7 to 10 kt. Increasing clouds.
Thursday
High : 72ºF
SW wind 6 to 10 kt. Mostly cloudy, then gradually becoming sunny.
Thursday Night
Low : 58ºF
WSW wind 8 to 10 kt. Mostly clear.
Friday
High : 74ºF
WSW wind 7 to 10 kt. Sunny.
Friday Night
Low : 59ºF
SW wind around 10 kt. Mostly clear.
Saturday
High : 80ºF
WSW wind 6 to 9 kt. Sunny.
Saturday Night
Low : 59ºF
SW wind 6 to 9 kt. Mostly clear.
Sunday
High : 82ºF
Variable winds less than 5 kt becoming SSW 5 to 9 kt in the afternoon. Sunny.

NOAA Buoy Data Near Napa, CA See Map

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    Wind Speed Forecast for Napa, CA

    WednesdayThursdayFriday
    Wind Speed (MPH) 55910653491065
    1pm5pm9pm1am5am9am1pm5pm9pm1am5am9am
    MPH 55910653491065
    DIR WSWSWSSWSSWSSWSWWSWSSWSSWSSWSW

    Current Weather Conditions In Napa, CA

    As Of: 24 minutes ago

    • 56ºF
    • 55ºF
    • 5mph
    • 0º (WSW)
    • 5mph
    • Cloudy
    • 4mi
    • 29.88"
    • 96%
    • 0ºF

    The weather right now in Napa, CA is Cloudy. The current temperature is 56°F, and the expected high and low for today, Wednesday, August 5, 2026, are 84° high temperature and 55°F low temperature. The wind is currently blowing at 5 miles per hour, and coming from the West Southwest. The wind is gusting to 5 mph. With the wind and the atmosphere the temperature feels like 55° Fahrenheit. Expected precipitation is 15 percent, with current humidity at 96 percent, and air pressure at 29.88 in. Visibility is 4 nautical miles. There are no current weather alert(s).