Today
Expect mostly cloudy. Daytime high +61°, overnight low +55°. Wind up to 10 mph. The day promises to be dry.
Weather in Walnut Creek
United States · California · 37.9063, -122.0650
Today Now 5:48 PM
+61° Mostly cloudy
Hourly forecast
Today10/19
Temperature°F
Cloudiness
Precipitation
Windmph
Wind gusts
Humidity
PressureinHg
Dew point°F
Visibilitymi
UV index
Forecast in words
Tomorrow
Tomorrow mostly cloudy: daytime +68°, nighttime +52°, 7° warmer.
Week
Seven days ahead fall within +52°…+79°. Warmest day — Mon, up to +79°. Coldest at night — Tue, +52°. No precipitation expected this week. Sunshine expected on 3 of seven days. It warms up by the end of the week.
Week vs norm
- Today 10/19 +61° −13° usually +74°
- Tomorrow 10/20 +68° −6° usually +74°
- Wed 10/21 +70° −4° usually +73°
- Thu 10/22 +63° −11° usually +73°
- Fri 10/23 +70° −3° usually +73°
- Sat 10/24 +73° +1° usually +72°
- Sun 10/25 +75° +3° usually +72°
- Mon 10/26 +79° +7° usually +72°
Difference between forecast daytime high and the 1991–2020 norm for this date.
This day, October 19
Today is cooler than usual for this date.
- Heat record +89° 2023
- Cold record +43° 2021
- Most precipitation 1.4 in 2004
- Strongest gust 43 mph 2004
Records for this calendar date, 1991-2024, ERA5 reanalysis.
Climate in Walnut Creek
Today is about 15° colder than usual for October.
| Month | Daytime / Nighttime | Average | Precipitation in |
|---|---|---|---|
| Jan | +57° / +41° | +48° | 3.7 |
| Feb | +60° / +42° | +49° | 3.8 |
| Mar | +63° / +44° | +52° | 3.0 |
| Apr | +68° / +46° | +55° | 1.3 |
| May | +73° / +50° | +60° | 0.7 |
| Jun | +79° / +54° | +64° | 0.1 |
| Jul | +82° / +56° | +66° | 0.0 |
| Aug | +82° / +56° | +67° | 0.1 |
| Sep | +82° / +55° | +66° | 0.1 |
| Oct | +76° / +52° | +62° | 0.9 |
| Nov | +64° / +46° | +53° | 1.8 |
| Dec | +56° / +42° | +48° | 3.6 |
Climatic normals for 1991–2025 years from ERA5-Land reanalysis.
Astronomical data
Sunrise / sunset
7:21 AM | 6:24 PM
Moon
3:10 PM | 12:27 AM
Moon phase
Waxing gibbous 61%
Next solar eclipse
Calculating for this city…