Nearby Harbors
38.2983’ N, 122.2800’ W

Napa, CA

66°
H -°
L 60°
SSE
0mph
Low tide
4:19 am
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Napa, CA Weather Forecast and Current Conditions

Day Sky High / Low Precip Wind Humidity
Sun
Oct 4 		Clear -º / 60º 2% N 2 mph 73%
Mon
Oct 5 		Sunny
View Hourly 		97º / 59º 2% SW 8 mph 39%
1am Clear 66º 1% SSE 0 mph 72%
2am Clear 64º 1% NNW 0 mph 74%
3am Clear 64º 1% N 1 mph 76%
4am Clear 63º 1% NNW 1 mph 74%
5am Clear 64º 1% N 1 mph 70%
6am Clear 63º 1% NNE 2 mph 72%
7am Clear 62º 1% N 2 mph 76%
8am Sunny 65º 3% N 1 mph 70%
9am Sunny 71º 1% NNW 1 mph 57%
10am Sunny 78º 0% W 1 mph 45%
11am Sunny 85º 0% SSW 3 mph 35%
12pm Sunny 89º 0% SSW 4 mph 30%
1pm Sunny 91º 0% SSW 5 mph 27%
2pm Sunny 93º 0% SSW 6 mph 25%
3pm Sunny 95º 0% SSW 7 mph 23%
4pm Sunny 95º 0% SSW 7 mph 24%
5pm Sunny 95º 0% SW 8 mph 24%
6pm Sunny 91º 0% SW 7 mph 28%
7pm Clear 83º 0% SSW 5 mph 37%
8pm Clear 78º 0% S 4 mph 44%
9pm Clear 75º 0% SSW 3 mph 48%
10pm Clear 73º 0% SSW 2 mph 53%
11pm Clear 70º 0% SW 1 mph 57%
Tue
Oct 6 		Sunny
View Hourly 		97º / 58º 4% SW 9 mph 42%
12am Clear 68º 1% WSW 1 mph 63%
1am Clear 66º 2% SW 1 mph 67%
2am Clear 65º 3% WSW 1 mph 70%
3am Clear 63º 3% WNW 1 mph 74%
4am Clear 62º 4% WNW 1 mph 76%
5am Clear 62º 4% NNW 1 mph 76%
6am Clear 61º 4% N 1 mph 77%
7am Clear 60º 4% NNW 1 mph 78%
8am Sunny 63º 3% NW 1 mph 75%
9am Sunny 68º 2% W 1 mph 64%
10am Sunny 74º 0% SW 2 mph 52%
11am Sunny 81º 0% SSW 3 mph 42%
12pm Sunny 86º 0% SSW 5 mph 35%
1pm Sunny 90º 0% SSW 6 mph 30%
2pm Sunny 92º 0% SSW 7 mph 27%
3pm Sunny 95º 0% SSW 8 mph 24%
4pm Sunny 95º 0% SW 9 mph 24%
5pm Sunny 94º 0% SW 9 mph 25%
6pm Sunny 91º 0% SW 8 mph 28%
7pm Clear 83º 0% SSW 5 mph 36%
8pm Clear 78º 0% S 4 mph 43%
9pm Clear 74º 0% SSW 4 mph 49%
10pm Clear 72º 0% SSW 3 mph 54%
11pm Clear 69º 1% SW 2 mph 57%
Wed
Oct 7 		Sunny
View Hourly 		95º / 56º 3% SW 9 mph 42%
12am Clear 67º 1% WSW 2 mph 61%
Thu
Oct 8 		Sunny 93º / 56º 4% SW 8 mph 43%
Fri
Oct 9 		Sunny 85º / 55º 4% SW 9 mph 50%
Sat
Oct 10 		Partly Cloudy 75º / 50º 18% SW 12 mph 65%
Sun
Oct 11 		Sunny 74º / 51º 3% SW 8 mph 52%

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

Monday
High : 85ºF
Variable winds 5 kt or less. Sunny.
Monday Night
Low : 64ºF
Variable winds 5 kt or less. Clear.
Tuesday
High : 85ºF
Variable winds 5 kt or less. Sunny.
Tuesday Night
Low : 63ºF
WSW wind around 6 kt becoming variable and less than 5 kt in the evening. Clear.
Wednesday
High : 83ºF
Variable winds less than 5 kt becoming WSW around 6 kt in the afternoon. Sunny.
Wednesday Night
Low : 62ºF
WSW wind 5 to 7 kt becoming variable and less than 5 kt in the evening. Clear.
Thursday
High : 83ºF
Variable winds 5 kt or less. Sunny.
Thursday Night
Low : 60ºF
Variable winds 5 kt or less. Mostly clear.
Friday
High : 82ºF
Variable winds less than 5 kt becoming SW around 6 kt in the afternoon. Sunny.

NOAA Buoy Data Near Napa, CA See Map

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    Wind Speed Forecast for Napa, CA

    MondayTuesdayWednesday
    Wind Speed (MPH) 011583111694
    8am12pm4pm8pm12am4am8am12pm4pm8pm12am4am
    MPH 011583111694
    DIR SSENNNWSSWSWSSWSWNNWWSSWSWSSW

    Current Weather Conditions In Napa, CA

    As Of: 36 minutes ago

    • 66ºF
    • 66ºF
    • 0mph
    • 0º (SSE)
    • 0mph
    • Clear
    • 10mi
    • 29.94"
    • 72%
    • 0ºF

    The weather right now in Napa, CA is Clear. The current temperature is 66°F, and the expected high and low for today, Monday, October 5, 2026, are -° high temperature and 60°F low temperature. The wind is currently blowing at 0 miles per hour, and coming from the South Southeast. The wind is gusting to 0 mph. With the wind and the atmosphere the temperature feels like 66° Fahrenheit. Expected precipitation is 1 percent, with current humidity at 72 percent, and air pressure at 29.94 in. Visibility is 10 nautical miles. There are 1 current weather alert(s).

    Weather Alerts
    Heat Advisory - 11:01pm Sun Oct 4 2026

    ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 10 PM PDT WEDNESDAY...

    WHAT: Hot conditions with maximum temperatures in the mid-90s to
    low-100s. Mild minimum temperatures and weak onshore flow will
    limit overnight relief.

    WHERE: The East Bay and San Francisco Bay Shoreline, North Bay
    Interior Mountains and Valleys, The Santa Clara Valley and Eastern
    Hills, The Santa Cruz Mountains, Interior Monterey County and the
    Santa Lucia Range, Most of San Benito County and the Cholame Hills
    in Southeast Monterey County, and Southern Salinas Valley/Arroyo
    Seco and Lake San Antonio.

    WHEN: Until 10 PM PDT Wednesday.

    IMPACTS: For the Heat Advisory, this level of heat affects anyone
    without effective cooling and/or adequate hydration. Impacts likely
    in some health systems, heat-sensitive industries and
    infrastructure.

    PRECAUTIONARY / PREPAREDNESS ACTIONS:

    Hydration is a critical piece to surviving the heat. Drink water, and
    if possible, take water to those who are vulnerable.

    Take extra precautions when outside. Wear lightweight and loose
    fitting clothing. Try to limit strenuous activities to the early
    morning or evening. Take action when you experience symptoms of heat
    exhaustion and/or heat stroke.

    Beat the heat and check the backseat! Do not leave young children or
    pets in unattended vehicles. Car interiors will reach lethal
    temperatures in a matter of minutes.

    &&

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