Walnut Creek, California Weather Forecast
Today in Walnut Creek: mostly sunny with a high near 70°F and a low around 52°F. Rain chance 1%. No day tops a 20% rain chance through Thursday. Highs run 66 to 73°F through Thursday.
Forecast updated 1:05 AM PDT, Oct 23
Active Weather Alerts
7-Day Forecast for Walnut Creek
Today 10/23
70°52°
Sat 10/24
73°48°
Sun 10/25
73°47°
Mon 10/26
68°49°
Tue 10/27
68°46°
Wed 10/28
67°47°
Thu 10/29
66°48°
Next 24 Hours
| Now | 12 PM | 1 PM | 2 PM | 3 PM | 4 PM | 5 PM | 6 PM | 7 PM | 8 PM | 9 PM | 10 PM | 11 PM | Sat12 AM | 1 AM | 2 AM | 3 AM | 4 AM | 5 AM | 6 AM | 7 AM | 8 AM | 9 AM | 10 AM | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sky |  | | | | | | | | |  | | | | | | | | | | | | | | |
| Temp | 61° | 64° | 66° | 67° | 69° | 70° | 70° | 65° | 61° | 58° | 57° | 56° | 55° | 54° | 54° | 53° | 52° | 51° | 51° | 50° | 48° | 49° | 54° | 59° |
| Rain | 1% | 0% | 1% | 1% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% |
| Wind | N 7 | N 8 | N 8 | N 8 | N 7 | N 7 | N 6 | NNW 4 | WNW 2 | N 2 | S 2 | SSW 2 | SSW 2 | SW 2 | SSW 1 | S 2 | ESE 2 | E 2 | E 3 | E 3 | ENE 3 | ENE 3 | NE 5 | NE 6 |
Growing Conditions
Growing degree days
3,480
since Apr 1, base 50°F
Rain, last 30 days
0.15 in
model analysis
Rain, year to date
12.01 in
since Jan 1
2-inch soil temperature
60°F
yesterday, daily average
Reference ET, last 7 days
0.86 in
FAO-56 grass reference
Through Oct 22. Season totals use model analysis for this point and update every morning.
Soil, ET and spray tools for Walnut Creek →
Current Stats & Observations
NWS Forecast
About Walnut Creek Weather
Walnut Creek sits at about 213 feet above sea level in Contra Costa County, California. About 70,166 people live in the Walnut Creek area. Official forecasts and warnings for the area come from the National Weather Service MTR office, and the nearest NEXRAD radar site is KDAX. The city is in USDA plant hardiness zone 9b, where the coldest winter night typically falls between 25 to 30°F. Freezing temperatures are rare here.
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