NimbocastWalnut Creek, CA Weather
Live radar, hourly and 7-day forecast, and National Weather Service alerts for Walnut Creek, Contra Costa County, California.
Updated Jul 29, 2026, 2:06 PM local time · Radar refreshes every 5 minutes
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Walnut Creek
83°F
Wind 10 mph
Humidity 42%
Cloud cover 0%
UV index 8
Alerts 0
Active alerts
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No active National Weather Service alerts for Walnut Creek, CA.
Walnut Creek weather radar
Light
Heavy
Next 24 hours
Now
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83°F
3 PM
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84°F
4 PM
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84°F
5 PM
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83°F
6 PM
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80°F
7 PM
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76°F
8 PM
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72°F
9 PM
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68°F
10 PM
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66°F
11 PM
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64°F
12 AM
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63°F
1 AM
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62°F
2 AM
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61°F
3 AM
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60°F
4 AM
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59°F
1%
5 AM
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59°F
6 AM
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58°F
1%
7 AM
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60°F
1%
8 AM
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66°F
9 AM
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71°F
10 AM
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75°F
11 AM
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79°F
12 PM
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83°F
1 PM
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85°F
7-day forecast
Today
Jul 29
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84°F
59°F
1%
Thu
Jul 30
☀️
88°F
58°F
1%
Fri
Jul 31
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92°F
56°F
Sat
Aug 1
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94°F
55°F
Sun
Aug 2
☀️
96°F
56°F
Mon
Aug 3
☀️
97°F
56°F
Tue
Aug 4
☀️
97°F
56°F
Weather near Walnut Creek
3 mi
Pleasant Hill, CA3 mi
Lafayette, CA5 mi
Concord, CA6 mi
Moraga, CA7 mi
Danville, CA7 mi
Orinda, CA9 mi
Martinez, CA10 mi
San Ramon, CA
Alerts are relayed from the National Weather Service and may lag
the official source. In a life-threatening situation always follow
weather.gov and local emergency
broadcasts.