Napa Veður Spá
Napa weather: 9°C, clear. Á klukkustund forecast, 14-day outlook, UV, air quality and the best time til visit.
Snjór forecast for Napa
No snow is in the current forecast window for Napa.
0 of the next 16 nights are forecast til reach freezing.
Average monthly lows here stay above freezing all year, so lying snow is rare.
16-day forecast for Napa
Hæst / Lægst; Úrkoma; UV
| Dagur | Aðstæður | Hæst / Lægst | Úrkoma | Vindur | UV |
|---|---|---|---|---|---|
| mið., okt 28 | ☁️ Skýjað | 20° / 8° | 0% | 11 km/h | 4 |
| fim., okt 29 | ☁️ Skýjað | 20° / 9° | 1% | 10 km/h | 4 |
| fös., okt 30 | ☁️ Skýjað | 21° / 9° | 0% | 15 km/h | 4 |
| lau., okt 31 | ☁️ Skýjað | 19° / 11° | 9% | 7 km/h | 3 |
| sun., nóv 1 | ☀️ Heiðskýrt | 25° / 9° | 10% | 8 km/h | 4 |
| mán., nóv 2 | ☁️ Skýjað | 24° / 10° | 1% | 6 km/h | 4 |
| þri., nóv 3 | ☁️ Skýjað | 25° / 10° | 15% | 7 km/h | 4 |
| mið., nóv 4 | 🌦️ Drizzle | 18° / 12° | 20% · 2 mm | 14 km/h | 3 |
| fim., nóv 5 | ☁️ Skýjað | 20° / 11° | 14% | 7 km/h | 3 |
| fös., nóv 6 | 🌦️ Light showers | 20° / 14° | 21% · 12 mm | 22 km/h | 2 |
| lau., nóv 7 | 🌧️ Skúrir | 20° / 14° | 23% · 16 mm | 18 km/h | 4 |
| sun., nóv 8 | 🌦️ Light drizzle | 20° / 15° | 24% · 1 mm | 23 km/h | 3 |
| mán., nóv 9 | 🌦️ Light drizzle | 20° / 14° | 23% · 1 mm | 12 km/h | 2 |
| þri., nóv 10 | ☁️ Skýjað | 23° / 12° | 16% | 9 km/h | 4 |
| mið., nóv 11 | ☁️ Skýjað | 26° / 14° | 23% | 11 km/h | 4 |
| fim., nóv 12 | ☀️ Heiðskýrt | -- / -- | 20% | -- | — |
Loftslag in Napa month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Mánuður | Avg high | Avg low | Rigningfall | Rating |
|---|---|---|---|---|
| janúar | 15° | 5° | 98 mm | ★★★☆☆ |
| febrúar | 16° | 6° | 187 mm | ★★☆☆☆ |
| mars | 19° | 7° | 88 mm | ★★★★☆ |
| apríl | 20° | 8° | 55 mm | ★★★★☆ |
| maí | 24° | 10° | 16 mm | ★★★★★ |
| júní | 28° | 12° | 1 mm | ★★★★★ |
| júlí | 29° | 13° | 1 mm | ★★★★★ |
| ágúst | 30° | 13° | 2 mm | ★★★★★ |
| september | 28° | 13° | 8 mm | ★★★★★ |
| október | 26° | 11° | 17 mm | ★★★★★ |
| nóvember | 18° | 7° | 111 mm | ★★★☆☆ |
| desember | 15° | 6° | 178 mm | ★★☆☆☆ |
Loftslag type: Mediterranean. Heimild: Open-Meteo archive (ERA5).
What til pack, what til skip
- sun.glasses, a brimmed hat and SPF 30+
- Layers - the daily swing is 17°C, so mornings feel nothing like afternoons
- If your dates are flexible, avoid janúar, febrúar and desember - historically the least comfortable months here.
Sjá spá fyrir Napa eftir tímabili
Napa weather - more answers
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 Norður-Ameríka.
What is the weather like in Napa núna?
It is currently 9°C (47°F) með clear. Raki is 77% and wind is 5 km/h.
When is the best time til visit Napa?
maí, júní, júlí, ágúst, september and október offer the most comfortable conditions in Napa, which has a Mediterranean climate. janúar, febrúar and desember 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 10:43 AM.
How many people live in Napa?
Napa has a population of approximately 80.000.
What is the nearest airport til Napa?
The closest airports are San Francisco International Airport (SFO), 76 km away.
What are the top things til do in Napa?
Popular options include Alcatraz Island, Golden Gate Bridge, Point Lobos State Natural Reserve, Emerald Bay State Park, Pinnacles National Park and júlia Pfeiffer Burns State Park.
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (cities-us) - coordinates, hierarchy and facts. |
|---|---|
| Spá and observations | Open-Meteo (ECMWF and national models). |
| Loftgæði and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Loftslag averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Official alerts | US National Veður 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 október 28, 2026 at 10:43 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.
