Napa weather — 10-day forecast
Temperature, rain, wind and feels-like in Napa, hour by hour and over 10 days, with the seasonal normal for context.
Now
Reading from 13:00 · NOAA HRRR model
26 °C
Partly cloudy
Next 12 h
↑ 28°16:00↓ 15°01:00
- Humidity
- 49 %
- Dew point
- 15 °C
- Gusts
- 14.7 km/h
- Clouds
- 51 %
- Pressure
- 1,014 hPa
- UV
- 10 · very high
Grid point 1.1 km away · 3.0 km grid · elevation 16 m
Air quality
The European air-quality index for the city, and the pollutants that set it.
Index set by Ozone
- Ozone
- 69.2µg/m³
- PM2.5
- 10.8µg/m³
- PM10
- 13.6µg/m³
- Nitrogen dioxide
- 1.3µg/m³
- Sulphur dioxide
- 0.6µg/m³
- Carbon monoxide
- 154.0µg/m³
- Dust (AOD)
- 0.01
Generated using Copernicus Atmosphere Monitoring Service information
Hour by hour
Step-by-step detail: temperature, wind, cloud cover and ultraviolet.
9 days
Each day's extremes and the chance of rain, out to the end of the run.
Rain probability (> 1 mm): 50 ECMWF ensemble members.
Today
Partly cloudy
28°
13°
Sat
Mainly clear
28°
14°
Sun
Mainly clear
31°
13°
Mon
Mainly clear
26°
13°
Tue
Mainly clear
26°
13°
Wed
Overcast
29°
13°
Thu
Mainly clear
24°
15°
Fri
Mainly clear
24°
17°
Sat
Clear sky
25°
15°
Sun and UV
Sunrise, sunset, day length and ultraviolet intensity.
- Sunrise
- 06:17
- Daylight
- 13 h 56
- Sunset
- 20:13
Radiation · 25.5 MJ/m²
Today in Napa the mean temperature will be 20.6 °C — +0.2 °C against the normal for 7 August, measured from 1940 to 2026. (1,290 obs.)
Nearby cities
The climate around Napa