Napa weather for today, tomorrow and the next 14 days, compared across three independent forecast sources so you can see where they agree before you plan your day. Right now it is 13°C and cloudy in Napa. Tomorrow's forecast: highs of 21°C, lows of 8°C with a 51% chance of rain.
Sources: Open-Meteo, OpenWeather, WeatherAPI · Updated every 12 hours
NapaUnited States
Updated 06:35 AM
Cloudy
Feels like 12°
Forecast Comparison
See how independent weather sources forecast the same location right now.
Forecast agreement
Sources show some variationTemperature range
11° – 13°
Rain probability
0% – 10%
Wind speed
4 km/h – 15 km/h
Temperature by provider
Hourly forecast
16-day forecast
Rain forecast
Precipitation probability: 76%Hourly precipitation timeline
Wind
Direction: W
Current wind
15 km/h
Gusts
19 km/h
Hourly wind
Daily wind
Weather alerts
No active weather alerts.
Weather map
Napa this time of year
- It cools down fast from here: November is about 8°C cooler.
- Just 60 km apart, but Napa runs about 3°C warmer than San Francisco this month.
- Afternoons and nights feel like different seasons, roughly 15°C apart.
Planning a trip to Napa? Save or share this forecast.
Napa weather overview: climate, seasons and what to expect
Napa, in California, United States, sits at approximately 38.30°N, 122.29°W and is home to about 80,000 people. This page compares forecasts from three independent weather providers — Open-Meteo, OpenWeather and WeatherAPI — so you can see at a glance where they agree and where they differ. The data refreshes every 12 hours via ISR.
Napa has a Mediterranean climate: dry, warm to hot summers and mild, wetter winters. The warmest month is August, with highs around 32°C; the coolest is December, when nights average 4°C. March is usually the wettest month (about 119 mm). Close to Napa, you can also check San Francisco (59 km), Sacramento (76 km) and San Jose (112 km).
Frequently asked questions
- What is the weather in Napa today?
- Right now Napa shows cloudy conditions at around 13°C (feels like 12°C), based on OpenWeatherMap. The chance of rain today is about 0%. Compare this with the other sources above for a fuller picture.
- What is the weather in Napa tomorrow?
- Tomorrow in Napa: expect a high of 21°C and a low of 8°C, with a 51% chance of rain. See the hourly breakdown above for more detail.
- Will it rain in Napa today?
- The precipitation probability for Napa is around 0% according to OpenWeatherMap. Check the Rain forecast section for the hour-by-hour breakdown and compare with other sources.
- What is the 14-day forecast for Napa?
- The 14-day forecast above shows daily highs, lows and rain probability for Napa from multiple sources; compare them to see how confident the outlook is.
Nearby cities
Highs 14° – 24°C (warmest in Sep, coolest in Jan)
Highs 15° – 37°C (warmest in Jul, coolest in Dec)
Highs 14° – 30°C (warmest in Aug, coolest in Dec)
Highs 15° – 21°C (warmest in Sep, coolest in Feb)
Highs 4° – 29°C (warmest in Jul, coolest in Dec)
Highs 5° – 27°C (warmest in Aug, coolest in Dec)
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