Napa Weather Forecast
Napa weather: 61°F, overcast. Hourly forecast, 14-day outlook, UV, air quality and the best time to visit.
Risk assessment for Napa
Derived from the current forecast window - not an official warning.
Peak gusts of 39 mph and 0 thunderstorm days in the next 16 days.
Wettest single day forecast at 2,0 in, 3,9 in across the window. Flash flooding risk rises sharply above 50 mm in a day.
Active alerts for Napa
Coastal Flood Advisory issued October 25 at 8:36PM PDT until October 29 at 3:00PM PDT by NWS San Francisco CA
Issued by NWS San Francisco CA
16-day forecast for Napa
Daily highs and lows, precipitation and UV.
| Day | Conditions | High / Low | Precip | Wind | UV |
|---|---|---|---|---|---|
| Sun, Oct 25 | ☁️ Overcast | 74° / 44° | 0% | 6 mph | 4 |
| Mon, Oct 26 | 🌥️ Fog | 69° / 46° | 0% | 10 mph | 5 |
| Tue, Oct 27 | ☁️ Overcast | 69° / 44° | 0% | 8 mph | 4 |
| Wed, Oct 28 | ☁️ Overcast | 74° / 50° | 0% | 7 mph | 5 |
| Thu, Oct 29 | ☁️ Overcast | 71° / 53° | 0% | 6 mph | 4 |
| Fri, Oct 30 | ☁️ Overcast | 65° / 50° | 8% | 8 mph | 4 |
| Sat, Oct 31 | ☁️ Overcast | 64° / 49° | 25% | 4 mph | 2 |
| Sun, Nov 1 | 🌤️ Mainly clear | 74° / 48° | 18% | 5 mph | 4 |
| Mon, Nov 2 | ☁️ Overcast | 72° / 51° | 12% | 6 mph | 4 |
| Tue, Nov 3 | 🌧️ Showers | 65° / 56° | 31% · 0,9 in | 12 mph | 1 |
| Wed, Nov 4 | 🌦️ Light drizzle | 69° / 60° | 33% · 0,1 in | 14 mph | 2 |
| Thu, Nov 5 | 🌧️ Showers | 67° / 61° | 57% · 2,0 in | 17 mph | 1 |
| Fri, Nov 6 | 🌦️ Light showers | 63° / 61° | 56% · 0,7 in | 15 mph | 0 |
| Sat, Nov 7 | ☁️ Overcast | 68° / 56° | 58% | 5 mph | 4 |
| Sun, Nov 8 | ☁️ Overcast | 66° / 54° | 35% | 6 mph | 3 |
| Mon, Nov 9 | 🌦️ Drizzle | 65° / 51° | 13% · 0,2 in | 9 mph | 3 |
What this means for Napa
Today is slightly cooler than average for October. The forecast high of 74°F is 3.4°F below the 77°F typical for this month.
Rain is very unlikely today - plans do not need a backup.
No weather-related travel disruption is expected today. Roads and airports should run normally.
Northern Hemisphere, so peak summer falls in June to August.
The gap between the warmest and coldest month averages 51°F.
See the Napa forecast by time range
Napa weather - more answers
Explore Napa
Every topic we hold for this place, and the same topic for the places around it.
Weather for related places
Frequently asked questions
Where is Napa?
Napa is a city in California. Its coordinates are 38.2975, -122.2869. It lies in North America.
What is the weather like in Napa right now?
It is currently 61°F (16°C) with overcast. Humidity is 67% and wind is 6 mph.
When is the best time to visit Napa?
May, June, July, August and September offer the most comfortable conditions in Napa, which has a Mediterranean climate. January, February and December are usually the hardest months for outdoor plans.
What time zone is Napa in?
Napa observes America/Los_Angeles (UTC-07:00). The local time is 7:32 AM.
How many people live in Napa?
Napa has a population of approximately 80.000.
What is the nearest airport to Napa?
The closest airports are San Francisco International Airport (SFO), 47 mi away.
What are the top things to do in Napa?
Popular options include Alcatraz Island, Golden Gate Bridge, Point Lobos State Natural Reserve, Emerald Bay State Park, Pinnacles National Park and Julia Pfeiffer Burns State Park.
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| Place data | USPOTUS Atlas dataset (cities-us) - coordinates, hierarchy and facts. |
|---|---|
| Forecast and observations | Open-Meteo (ECMWF and national models). |
| Air quality and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Climate averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Official alerts | US National Weather Service. |
| Method | Scores, comparisons and advice on this page are computed from the inputs above. Distances are straight-line. Nothing is estimated where data is missing - the block is simply not shown. |
Last updated October 26, 2026 at 7:32 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.
