City in California

Napa Väder Prognos

Napa weather: 28°C, klart. Varje timme forecast, 14-day outlook, UV, air quality and the best time och visit.

☀️ 28°C now🕔 6:25 PM local📅 Best: maj, juni, juli, augusti and september👥 80.000

Sammanfattning

Napa is a city in California. Napa is known for Wine country tasting rooms. Befolkningen är cirka 80.000.

Just nu är det 28°C (82°F) in Napa med klart. Det känns som 27°C. I dag varierar temperaturen mellan 12°C och 31°C. Risken för nederbörd är 0%. Sightseeing conditions score 9.4/10 - utmärkt — åk nu.

Bästa tiden att besöka Napa is maj, juni, juli, augusti and september. Klimatet är Mediterranean. januari, februari and december tend och be the least comfortable months. augusti is the warmest month med average highs near 30°C, while januari is the coldest med lows near 5°C.

The closest major airport is San Francisco International Airport (SFO), about 76 km away. Nearby highlights include Alcatraz Island, Golden Gate Bridge, Point Lobos State Natural Reserve and Emerald Bay State Park.

Enkelt förklarat. Today is slightly warmer than average for september. The forecast high of 31°C is 3.1°C above the 28°C typical for this month. The best window och be outside is roughly 10 AM och 1 PM, when temperature, rain chance and wind line up best. swimming is the strongest bet in Napa today at 10/10. No weather-related travel disruption is expected today. Roads and airports should run normally.

Compiled from this page's own data: atlas facts plus live Open-Meteo readings.

Active alerts for Napa

⚠️Coastal Flood Advisory · Minor
Coastal Flood Advisory issued september 29 at 2:54PM 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.

Vädret i Napa just nu

☀️
28°C
Klart · feels like 27°C
Luftfuktighet41%
Vind10 km/h SSW
Vindbyar15 km/h
UV-index0.8 · Låg
Molntäcke0%
Lufttryck1006 hPa
SiktGood · 18 km
Luftkvalitet46 · Good
Soluppgång7:04 AM
Solnedgång6:53 PM
Måne🌖 Waning gibbous · 82%

Open-Meteo Updated 6:25 PM, sep 30 local time.

⚠️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.

Se prognosen för Napa per tidsintervall

Nästa 24 timmar

Temperatur, nederbörd och vind timme för timme.

6 PM☀️28°0%10 km/h
7 PM🌙24°0%10 km/h
8 PM🌙21°0%8 km/h
9 PM🌙19°0%7 km/h
10 PM🌙17°0%7 km/h
11 PM🌙16°0%5 km/h
12 AM🌙15°0%5 km/h
1 AM🌙14°0%3 km/h
2 AM🌥️14°0%3 km/h
3 AM🌥️14°0%3 km/h
4 AM🌥️13°0%1 km/h
5 AM🌥️13°0%1 km/h
6 AM🌥️13°0%2 km/h
7 AM🌥️13°0%2 km/h
8 AM🌥️12°0%1 km/h
9 AM🌥️13°0%1 km/h
10 AM⛅16°0%2 km/h
11 AM☀️21°0%4 km/h
12 PM☀️24°0%8 km/h
1 PM☀️26°0%10 km/h
2 PM☀️27°0%11 km/h
3 PM☀️27°0%13 km/h
4 PM☀️26°0%12 km/h
5 PM☀️25°0%12 km/h

16-day forecast for Napa

Max / Min; Nederb.; UV

DagFörhållandenMax / MinNederb.VindUV
ons, sep 30☁️ Mulet31° / 12°0%12 km/h6
tor, okt 1🌥️ Dimma27° / 12°0%13 km/h6
fre, okt 2🌥️ Dimma30° / 12°0%9 km/h5
lör, okt 3☁️ Mulet36° / 17°0%11 km/h6
sön, okt 4☁️ Mulet35° / 19°3%11 km/h5
mån, okt 5☀️ Klart36° / 18°1%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°0%13 km/h6
lör, okt 10☀️ Klart27° / 12°0%14 km/h6
sön, okt 11☀️ Klart32° / 12°3%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°3%12 km/h5
tor, okt 15☀️ Klart33° / 12°3%13 km/h5

Klimat in Napa month by month

Average high, average low and total rainfall, based on three years of reanalysis data.

janfebmaraprmajjunjulaugsepoktnovdecLine: average high · Bars: rainfall
MånadAvg highAvg lowRegnfallRating
januari15°5°98 mm★★★☆☆
februari16°6°187 mm★★☆☆☆
mars19°7°88 mm★★★★☆
april20°8°55 mm★★★★☆
maj24°11°16 mm★★★★★
juni28°12°1 mm★★★★★
juli29°13°1 mm★★★★★
augusti30°14°2 mm★★★★★
september28°13°6 mm★★★★★
oktober25°12°23 mm★★★★★
november18°8°111 mm★★★☆☆
december15°6°178 mm★★☆☆☆

Klimat type: Mediterranean. Källa: Open-Meteo archive (ERA5).

Väder map for Napa

Animated model layers. Pick a layer och load it.

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Animated layers by Vindy. For pin-level detail and nearby places, see the interactive map below.

Luftkvalitet and pollen in Napa

46
Good
Luftkvalitet is satisfactory for everyone.
PM2.57.8 µg/m³
PM1010.4 µg/m³
Ozone99 µg/m³
NO₂4.8 µg/m³
UV-index0.8 · Låg
Airborne hazeKlart air

Luftkvalitet: Open-Meteo (CAMS). US AQI scale.

sön, twilight and moon

Soluppgång7:04 AM
Solnedgång6:53 PM
Daglight11h 49m
Solar noon12:58 PM
Golden hour (am)7:04 AM - 8:04 AM
Golden hour (pm)5:53 PM - 6:53 PM
Blue hour (am)6:34 AM - 7:04 AM
Blue hour (pm)6:53 PM - 7:23 PM
Måne phase🌖 Waning gibbous · 82%
Månerise9:05 PM
Måneset11:55 AM

Golden and blue hour are the standard photographic approximation around sunrise and sunset.

Bästa tiden att besöka Napa

Go in maj, juni, juli, augusti and september. These months score highest on comfortable temperatures, low rainfall and useful daylight.

Hardest months: januari, februari and december - expect the least comfortable mix of heat, cold or rain.

januari★★★☆☆
februari★★☆☆☆
mars★★★★☆
april★★★★☆
maj★★★★★
juni★★★★★
juli★★★★★
augusti★★★★★
september★★★★★
oktober★★★★★
november★★★☆☆
december★★☆☆☆

Explore Napa

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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 Nordamerika.

What is the weather like in Napa just nu?

It is currently 28°C (82°F) med klart. Luftfuktighet is 41% and wind is 10 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 6:25 PM.

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 september 30, 2026 at 6:25 PM 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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