Walnut Creek weather — 10-day forecast
Temperature, rain, wind and feels-like in Walnut Creek, hour by hour and over 10 days, with the seasonal normal for context.
Now
Reading from 15:00 · NOAA HRRR model
31 °C
Clear sky
Feels like 28 °C
Next 12 h
- 1531°
- 1630°
- 1729°
- 1828°
- 1925°
- 2022°
- 20:11Sunset
- 2120°
- 2219°
- 2319°
- 0018°
- 0118°
- 0217°
- 0316°
↑ 31°15:00↓ 16°03:00
- Humidity
- 29 %
- Dew point
- 11 °C
- Gusts
- 18.3 km/h
- Clouds
- 0 %
- Pressure
- 1,015 hPa
- UV
- 8 · very high
Grid point 1.2 km away · 3.0 km grid · elevation 56 m
Air quality
The European air-quality index for the city, and the pollutants that set it.
Index set by Ozone
- Ozone
- 74.4µg/m³
- PM2.5
- 13.1µg/m³
- PM10
- 17.4µg/m³
- Nitrogen dioxide
- 3.3µg/m³
- Sulphur dioxide
- 1.6µg/m³
- Carbon monoxide
- 130.0µg/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.
10 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
Clear sky
31°
19°
Sat
Mainly clear
30°
16°
Sun
Clear sky
32°
15°
Mon
Clear sky
26°
12°
Tue
Partly cloudy
26°
12°
Wed
Overcast
24°
12°
Thu
Partly cloudy
21°
14°
Fri
Partly cloudy
21°
15°
Sat
Light drizzle2 mm
26°
16°
Sun
Clear sky
24°
15°
Sun and UV
Sunrise, sunset, day length and ultraviolet intensity.
- Sunrise
- 06:17
- Daylight
- 13 h 54
- Sunset
- 20:11
Radiation · 22.9 MJ/m²
Sea state
Sea state at the marine grid point closest to the city.
Significant height: the mean of the highest third of waves. Individual waves reach about twice it.
Data: ECMWF
Today in Walnut Creek the mean temperature will be 25.8 °C — +6.1 °C against the normal for 7 August, measured from 1940 to 2026. (1,290 obs.)