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 Walnut Creek Weather Forecast Summary |
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Today
Jul 15th
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Thursday
Jul 16th
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Friday
Jul 17th
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Saturday
Jul 18th
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Sunday
Jul 19th
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Sunny |
Mostly Sunny |
Mostly Sunny |
Sunny |
Mostly Sunny |
96°F
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99°F
71°F |
99°F
76°F |
95°F
76°F |
97°F
75°F |
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| Walnut Creek Detailed Weather Forecast |
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| Wednesday, July 15th, 2026 |
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Afternoon |
Temperature: 94°F |
| Sunny. |
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Evening |
Temperature: 76°F |
| Clear. Slight chance of a thunderstorm. |
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| Thursday, July 16th, 2026 |
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Overnight |
Temperature: 72°F |
| Clear. |
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Morning |
Temperature: 85°F |
| Mostly sunny. Chance of a thunderstorm. |
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Afternoon |
Temperature: 95°F |
| Sunny. Chance of a thunderstorm. Windy at times. |
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Evening |
Temperature: 80°F |
| Mostly clear. Chance of a thunderstorm. |
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| Friday, July 17th, 2026 |
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Overnight |
Temperature: 76°F |
| Mostly clear. Chance of a thunderstorm. |
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Morning |
Temperature: 88°F |
| Mostly sunny. Chance of a thunderstorm. |
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Afternoon |
Temperature: 96°F |
| Mostly sunny. Chance of a thunderstorm. Windy at times. |
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Evening |
Temperature: 82°F |
| Mostly clear. Chance of a thunderstorm. |
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| Saturday, July 18th, 2026 |
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Overnight |
Temperature: 77°F |
| Clear. Chance of a thunderstorm. |
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Morning |
Temperature: 87°F |
| Sunny. Chance of a thunderstorm. |
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Afternoon |
Temperature: 93°F |
| Sunny. Chance of a thunderstorm. Windy at times. |
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Evening |
Temperature: 82°F |
| Clear. Chance of a thunderstorm. Windy at times. |
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| Sunday, July 19th, 2026 |
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Overnight |
Temperature: 81°F |
| Clear. Chance of a thunderstorm. Windy at times. |
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Morning |
Temperature: 89°F |
| Sunny. Chance of a thunderstorm. Windy at times. |
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Afternoon |
Temperature: 92°F |
| A mix of cloud and sun with a chance of showers or thundershowers. Windy at times. |
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Evening |
Temperature: 76°F |
| Clear with a chance of showers or thundershowers. |
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| Monday, July 20th, 2026 |
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Overnight |
Temperature: 75°F |
| Clear with a chance of showers or thundershowers. |
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Morning |
Temperature: 85°F |
| Sunny. Chance of a thunderstorm. |
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Afternoon |
Temperature: 91°F |
| A mix of cloud and sun. Chance of a thunderstorm. |
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Evening |
Temperature: 83°F |
| Mostly clear. Chance of a thunderstorm. Windy at times. |
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| Tuesday, July 21st, 2026 |
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Overnight |
Temperature: 80°F |
| Mostly clear. Chance of a thunderstorm. |
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Morning |
Temperature: 89°F |
| Sunny. Chance of a thunderstorm. |
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Afternoon |
Temperature: 98°F |
| Sunny with cloudy periods. Chance of a thunderstorm. Windy at times. |
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Evening |
Temperature: 82°F |
| A mix of cloudy and clear skies with showers likely. Chance of a thunderstorm. Windy at times. |
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| Wednesday, July 22nd, 2026 |
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Overnight |
Temperature: 74°F |
| Clear with cloudy periods with showers likely. Chance of a thunderstorm. |
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Morning |
Temperature: 80°F |
| A mix of sun and cloud with a slight chance of showers or thundershowers. |
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Afternoon |
Temperature: 80°F |
| A mix of sun and cloud with a chance of showers. |
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Evening |
Temperature: 74°F |
| Mostly clear with a slight chance of showers. |
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| Thursday, July 23rd, 2026 |
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Overnight |
Temperature: 69°F |
| Mostly clear. |
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Morning |
Temperature: 79°F |
| A mix of sun and cloud. |
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Afternoon |
Temperature: 83°F |
| A mix of sun and cloud. Windy at times. |
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Evening |
Temperature: 74°F |
| A mix of cloudy and clear skies. |
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