Napa 天气 预报
Napa weather: 9°C, 晴. 逐小时 forecast, 14-day outlook, UV, air quality and the best time至visit.
Risk assessment for Napa
Derived from the current forecast window - not an official warning.
Peak gusts of 43 km/h and 0 thunderstorm days in the next 16 days.
Wettest single day forecast at 16 mm, 32 mm across the window. Flash flooding risk rises sharply above 50 mm in a day.
Active alerts for Napa
Coastal Flood Advisory issued 十月 28 at 12:20AM PDT until 十月 31 at 6:00PM PDT by NWS San Francisco CA
Issued by NWS San Francisco CA
16-day forecast for Napa
最高 / 最低; 降水; UV
| 日期 | 天气状况 | 最高 / 最低 | 降水 | 风 | UV |
|---|---|---|---|---|---|
| 周三, 十月 28 | ☁️ 阴天 | 20° / 8° | 0% | 11 km/h | 4 |
| 周四, 十月 29 | ☁️ 阴天 | 20° / 9° | 1% | 10 km/h | 4 |
| 周五, 十月 30 | ☁️ 阴天 | 21° / 9° | 0% | 15 km/h | 4 |
| 周六, 十月 31 | ☁️ 阴天 | 19° / 11° | 9% | 7 km/h | 3 |
| 周日, 十一月 1 | ☀️ 晴朗 | 25° / 9° | 10% | 8 km/h | 4 |
| 周一, 十一月 2 | ☁️ 阴天 | 24° / 10° | 1% | 6 km/h | 4 |
| 周二, 十一月 3 | ☁️ 阴天 | 25° / 10° | 15% | 7 km/h | 4 |
| 周三, 十一月 4 | 🌦️ 毛毛雨 | 18° / 12° | 20% · 2 mm | 14 km/h | 3 |
| 周四, 十一月 5 | ☁️ 阴天 | 20° / 11° | 14% | 7 km/h | 3 |
| 周五, 十一月 6 | 🌦️ Light showers | 20° / 14° | 21% · 12 mm | 22 km/h | 2 |
| 周六, 十一月 7 | 🌧️ 阵雨 | 20° / 14° | 23% · 16 mm | 18 km/h | 4 |
| 周日, 十一月 8 | 🌦️ Light drizzle | 20° / 15° | 24% · 1 mm | 23 km/h | 3 |
| 周一, 十一月 9 | 🌦️ Light drizzle | 20° / 14° | 23% · 1 mm | 12 km/h | 2 |
| 周二, 十一月 10 | ☁️ 阴天 | 23° / 12° | 16% | 9 km/h | 4 |
| 周三, 十一月 11 | ☁️ 阴天 | 26° / 14° | 23% | 11 km/h | 4 |
| 周四, 十一月 12 | ☀️ 晴朗 | -- / -- | 20% | -- | — |
What this means for Napa
Today is cooler than average for 十月. The forecast high of 20°C is 5.1°C below the 26°C typical for this month.
雨 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 六月至八月.
The gap between the warmest and coldest month averages 11°C.
查看 Napa 的分时预报
Napa weather - more answers
Explore Napa
Every topic we hold for this place, and the same topic for the places around it.
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Frequently asked questions
Where is Napa?
Napa is a city in California. Its coordinates are 38.2975, -122.2869. It lies in 北美洲.
What is the weather like in Napa现在?
It is currently 9°C (47°F)，天气为晴. 湿度 is 77% and wind is 5 km/h.
When is the best time至visit Napa?
五月, 六月, 七月, 八月, 九月 and 十月 offer the most comfortable conditions in Napa, which has a Mediterranean climate. 一月, 二月 and 十二月 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 5:28 PM.
How many people live in Napa?
Napa has a population of approximately 80.000.
What is the nearest airport至Napa?
The closest airports are San Francisco International Airport (SFO), 76 km away.
What are the top things至do in Napa?
Popular options include Alcatraz Island, Golden Gate Bridge, Point Lobos State Natural Reserve, Emerald Bay State Park, Pinnacles National Park and 七月ia Pfeiffer Burns State Park.
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (cities-us) - coordinates, hierarchy and facts. |
|---|---|
| 预报 and observations | Open-Meteo (ECMWF and national models). |
| 空气质量 and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| 气候 averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Official alerts | US National 天气 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 十月 28, 2026 at 5:28 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.
