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| Back to California, United States. Do you have any pictures of this city? ![]() Planning a vacation? Current weather forecast for Walnut Creek, CA Elevation: 200 feet County: Contra Costa Land area: 19.9 square miles Zip codes: 94595, 94596, 94598. Median resident age: 45.1 years New: Walnut Creek, CA residents, houses, and apartments details Races in Walnut Creek:
New: Political contributions by individuals in Walnut Creek, CA Ancestries: German (16.6%), English (15.5%), Irish (14.4%), Italian (8.1%), French (3.8%), Scottish (3.6%). |
![]() For population 25 years and over in Walnut Creek
For population 15 years and over in Walnut Creek city
18.3% Foreign born (8.3% Asia, 5.5% Europe, 2.7% Latin America). |
![]() Nearest city with pop. 200,000+: Oakland, CA (14.7 miles, pop. 399,484). Nearest city with pop. 1,000,000+: Los Angeles, CA (365.5 miles, pop. 3,694,820). Nearest cities: Waldon, CA (1.3 miles), Pleasant Hill, CA (3.4 miles), Alamo, CA (3.7 miles), Concord, CA (4.6 miles), Lafayette, CA (4.6 miles), Pacheco, CA (5.5 miles), Moraga, CA (7.0 miles), Vine Hill, CA (7.4 miles). Single-family new house construction building permits:
Area code: 925 Industries providing employment: Professional,scientific,management,administrative,and waste management services (20.1%), Educational,health and social services (18.0%), Finance,insurance,real estate,and rental and leasing (14.4%), Retail trade (10.1%). |
Based on data reported by over 4,000 weather stations
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| Average temp. (°F) | 47.2 | 50.4 | 52.9 | 56.8 | 61.5 | 66.9 | 70.5 | 70.3 | 68.5 | 62.7 | 53.3 | 47.6 |
| High temperature (°F) | 54.9 | 59.1 | 62.5 | 68.3 | 74.2 | 80.5 | 84.7 | 84.4 | 81.8 | 74.8 | 62.8 | 55.7 |
| Low temperature (°F) | 39.4 | 41.7 | 43.2 | 45.2 | 48.9 | 53.3 | 56.2 | 56.3 | 55.0 | 50.5 | 43.8 | 39.3 |
| Precipitation (in) | 4.6 | 4.2 | 3.6 | 1.3 | 0.6 | 0.1 | 0.0 | 0.1 | 0.3 | 1.2 | 3.0 | 3.1 |
Based on data reported by main weather stations
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| Days with precip. | 10 | 9 | 9 | 5 | 3 | 1 | 0 | 0 | 1 | 3 | 7 | 9 |
| Wind speed (mph) | 7.1 | 7.3 | 8.4 | 8.6 | 9.0 | 9.6 | 8.9 | 8.4 | 7.4 | 6.4 | 6.0 | 6.4 |
| Morning humidity (%) | 91 | 89 | 86 | 83 | 82 | 78 | 77 | 78 | 77 | 79 | 87 | 88 |
| Afternoon humidity (%) | 70 | 61 | 53 | 44 | 38 | 32 | 30 | 29 | 31 | 37 | 57 | 67 |
| Sunshine (%) | 48 | 65 | 74 | 82 | 90 | 94 | 97 | 96 | 93 | 86 | 66 | 49 |
| Days clear of clouds | 7 | 8 | 10 | 12 | 17 | 22 | 27 | 26 | 24 | 19 | 10 | 8 |
| Partly cloudy days | 6 | 7 | 9 | 10 | 9 | 6 | 3 | 4 | 4 | 6 | 8 | 6 |
| Cloudy days | 19 | 13 | 12 | 8 | 5 | 2 | 1 | 1 | 2 | 6 | 12 | 17 |
| Snowfall (in) | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
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