City in California

Napa Väder Prognos

Napa weather: 17°C, klart. Varje timme forecast, 14-day outlook, UV, air quality and the best time och visit.

🌙 17°C now🕔 7:13 AM local📅 Best: maj, juni, juli, augusti and september👥 80.000

Risk assessment for Napa

Derived from the current forecast window - not an official warning.

Storm and wind1.8

Peak gusts of 22 km/h and 0 thunderstorm days in the next 16 days.

Heavy rain and flooding0

Wettest single day forecast at 0 mm, 0 mm across the window. Flash flooding risk rises sharply above 50 mm in a day.

Active alerts for Napa

⚠️Coastal Flood Advisory · Minor
Coastal Flood Advisory issued september 30 at 3:46PM PDT until oktober 1 at 5:00PM PDT by NWS San Francisco CA
Issued by NWS San Francisco CA
⚠️lör, okt 3: extreme heat, 36°C (97°F). Hydrate and avoid midday sun.
⚠️sön, okt 4: extreme heat, 35°C (95°F). Hydrate and avoid midday sun.
⚠️mån, okt 5: extreme heat, 36°C (96°F). Hydrate and avoid midday sun.
⚠️tis, okt 6: extreme heat, 37°C (98°F). Hydrate and avoid midday sun.
⚠️ons, okt 7: extreme heat, 38°C (100°F). Hydrate and avoid midday sun.
⚠️tor, okt 8: extreme heat, 36°C (97°F). Hydrate and avoid midday sun.

16-day forecast for Napa

Max / Min; Nederb.; UV

DagFörhållandenMax / MinNederb.VindUV
ons, sep 30☁️ Mulet31° / 12°0%12 km/h6
tor, okt 1🌥️ Dimma28° / 12°0%12 km/h6
fre, okt 2🌥️ Dimma28° / 12°0%13 km/h5
lör, okt 3☁️ Mulet36° / 17°0%11 km/h6
sön, okt 4☁️ Mulet35° / 19°2%11 km/h5
mån, okt 5☀️ Klart36° / 18°0%15 km/h6
tis, okt 6☀️ Klart37° / 18°0%14 km/h6
ons, okt 7☀️ Klart38° / 18°1%14 km/h6
tor, okt 8☀️ Klart36° / 19°1%14 km/h6
fre, okt 9☀️ Klart26° / 13°1%13 km/h6
lör, okt 10☀️ Klart27° / 12°1%14 km/h6
sön, okt 11☀️ Klart32° / 12°0%14 km/h5
mån, okt 12☀️ Klart29° / 12°0%14 km/h5
tis, okt 13☀️ Klart29° / 12°3%11 km/h5
ons, okt 14☀️ Klart30° / 12°0%12 km/h5
tor, okt 15☀️ Klart33° / 12°3%13 km/h5

What this means for Napa

Compared med normal

Today is warmer than average for oktober. The forecast high of 31°C is 5.7°C above the 25°C typical for this month.

Regn chance explained

Regn is very unlikely today - plans do not need a backup.

Resor and driving

No weather-related travel disruption is expected today. Roads and airports should run normally.

Worth knowing

Northern Hemisphere, so peak summer falls in juni och augusti.

Worth knowing

The gap between the warmest and coldest month averages 11°C.

Se prognosen för Napa per tidsintervall

Napa weather - more answers

Explore Napa

Every topic we hold for this place, and the same topic for the places around it.

Väder 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 Nordamerika.

What is the weather like in Napa just nu?

It is currently 17°C (63°F) med klart. Luftfuktighet is 79% and wind is 5 km/h.

When is the best time och visit Napa?

maj, juni, juli, augusti and september offer the most comfortable conditions in Napa, which has a Mediterranean climate. januari, februari 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 7:13 AM.

How many people live in Napa?

Napa has a population of approximately 80.000.

What is the nearest airport och Napa?

The closest airports are San Francisco International Airport (SFO), 76 km away.

What are the top things och 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.

Related articles

Data sources and methodology

Place dataUSPOTUS Atlas dataset (cities-us) - coordinates, hierarchy and facts.
Prognos and observationsOpen-Meteo (ECMWF and national models).
Luftkvalitet and pollenCopernicus CAMS via Open-Meteo. US AQI scale.
Klimat averagesERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years.
Official alertsUS National Väder Service.
MethodScores, 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 oktober 1, 2026 at 7:13 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.

Davil Hofile
Written byWriter at USPOTUS

Davil Hofile is a writer at USPOTUS covering breaking news, NFL updates, viral stories, entertainment, pets, and lifestyle. He specializes in transforming complex news into clear, trustworthy, and engaging articles that help readers quickly understand what's happening across the United States. His reporting follows Google's E-E-A-T guidelines, emphasizing accuracy, credible sources, and practical value for readers.

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