Current Conditions
Walnut Creek, California
Wind
SW 6 mph10 km/h
Humidity
70%
Cloud Cover
58%
As of Tuesday, September 22, 2026 at 11:46 AM PDT
Today's Outlook
Day
Mostly clear and warm, with a high of 73°F23°C and morning low of 65°F18°C. Breezy from the WSW at 8 to 9 mph12 to 14 km/h.
Night
Mostly clear, with a low around 59°F15°C. Light wind from the SW around 6 mph9 km/h.
7-Day Forecast
| Day | Condition | High (°F) | Low (°F) | Precip (mm) | Cloud Cover (%) | Wind (mph) | |
|---|---|---|---|---|---|---|---|
| Clear | High 73°F23°C | Low 59°F15°C | Precip 0 in0 mm— | Cloud 17% | Wind SW 7 mph11 km/h | Tuesday: Mostly clear and warm, with a high of 73°F23°C and morning low of 65°F18°C. Breezy from the WSW at 8 to 9 mph12 to 14 km/h. Tuesday Night: Mostly clear, with a low around 59°F15°C. Light wind from the SW around 6 mph9 km/h. | |
| Clear | High 85°F29°C | Low 55°F13°C | Precip 0 in0 mm— | Cloud 30% | Wind WSW 3 mph5 km/h | Wednesday: Partly cloudy and warm, with a high of 85°F29°C and morning low of 57°F14°C. Light wind from the WNW around 3 mph4 km/h. Wednesday Night: Partly cloudy, with a low around 55°F13°C. Light wind from the SW around 4 mph6 km/h. | |
| Partly Cloudy | High 83°F29°C | Low 57°F14°C | Precip 0 in0 mm— | Cloud 51% | Wind SW 5 mph8 km/h | Thursday: Mostly cloudy and warm, with a high of 83°F29°C and morning low of 58°F15°C. Breezy from the WSW at 5 to 9 mph9 to 15 km/h. Thursday Night: Partly cloudy, with a low around 57°F14°C. Breezy from the SW at 5 to 7 mph8 to 11 km/h. | |
| Clear | High 79°F26°C | Low 59°F15°C | Precip 0 in0 mm— | Cloud 26% | Wind WSW 7 mph11 km/h | Friday: Mostly clear and warm, with a high of 79°F26°C and morning low of 61°F16°C. Breezy from the WSW at 8 to 10 mph13 to 15 km/h. Friday Night: Partly cloudy, with a low around 59°F15°C. Light wind from the SW around 6 mph9 km/h. | |
| Clear | High 77°F25°C | Low 54°F12°C | Precip 0 in0 mm— | Cloud 38% | Wind WSW 5 mph8 km/h | Saturday: Partly cloudy and warm, with a high of 77°F25°C and morning low of 56°F13°C. Breezy from the WSW at 5 to 8 mph8 to 13 km/h. Saturday Night: Partly cloudy, with a low around 54°F12°C. Light wind from the SW around 5 mph8 km/h. | |
| Clear | High 74°F24°C | Low 55°F13°C | Precip 0 in0.1 mm4% | Cloud 40% | Wind WSW 7 mph11 km/h | Sunday: Partly cloudy and warm, with a high of 74°F24°C and morning low of 57°F14°C. Breezy from the WSW at 7 to 9 mph12 to 14 km/h. Sunday Night: Partly cloudy, with a low around 55°F13°C. Light wind from the SW around 6 mph9 km/h. | |
| Clear | High 77°F25°C | Low 55°F13°C | Precip 0 in0 mm— | Cloud 26% | Wind WSW 5 mph8 km/h | Monday: Partly cloudy and warm, with a high of 77°F25°C and morning low of 56°F13°C. Breezy from the WSW at 5 to 7 mph8 to 12 km/h. Monday Night: Partly cloudy, with a low around 55°F13°C. Light wind from the SW around 5 mph8 km/h. |
15-Day Forecast
| Day | High | Low | Precip | Cloud Cover | Condition | Wind | |
|---|---|---|---|---|---|---|---|
| TuesdaySep 22 | 73°F23°C | 59°F15°C | 0 in0 mm· — | 17% | Clear | SW 7 mph11 km/h | |
DayMostly clear and warm, with a high of 73°F23°C and morning low of 65°F18°C. Breezy from the WSW at 8 to 9 mph12 to 14 km/h. NightMostly clear, with a low around 59°F15°C. Light wind from the SW around 6 mph9 km/h. | |||||||
| WednesdaySep 23 | 85°F29°C | 55°F13°C | 0 in0 mm· — | 30% | Clear | WSW 3 mph5 km/h | |
DayPartly cloudy and warm, with a high of 85°F29°C and morning low of 57°F14°C. Light wind from the WNW around 3 mph4 km/h. NightPartly cloudy, with a low around 55°F13°C. Light wind from the SW around 4 mph6 km/h. | |||||||
| ThursdaySep 24 | 83°F29°C | 57°F14°C | 0 in0 mm· — | 51% | Partly Cloudy | SW 5 mph8 km/h | |
DayMostly cloudy and warm, with a high of 83°F29°C and morning low of 58°F15°C. Breezy from the WSW at 5 to 9 mph9 to 15 km/h. NightPartly cloudy, with a low around 57°F14°C. Breezy from the SW at 5 to 7 mph8 to 11 km/h. | |||||||
| FridaySep 25 | 79°F26°C | 59°F15°C | 0 in0 mm· — | 26% | Clear | WSW 7 mph11 km/h | |
DayMostly clear and warm, with a high of 79°F26°C and morning low of 61°F16°C. Breezy from the WSW at 8 to 10 mph13 to 15 km/h. NightPartly cloudy, with a low around 59°F15°C. Light wind from the SW around 6 mph9 km/h. | |||||||
| SaturdaySep 26 | 77°F25°C | 54°F12°C | 0 in0 mm· — | 38% | Clear | WSW 5 mph8 km/h | |
DayPartly cloudy and warm, with a high of 77°F25°C and morning low of 56°F13°C. Breezy from the WSW at 5 to 8 mph8 to 13 km/h. NightPartly cloudy, with a low around 54°F12°C. Light wind from the SW around 5 mph8 km/h. | |||||||
| SundaySep 27 | 74°F24°C | 55°F13°C | 0 in0.1 mm· 4% | 40% | Clear | WSW 7 mph11 km/h | |
DayPartly cloudy and warm, with a high of 74°F24°C and morning low of 57°F14°C. Breezy from the WSW at 7 to 9 mph12 to 14 km/h. NightPartly cloudy, with a low around 55°F13°C. Light wind from the SW around 6 mph9 km/h. | |||||||
| MondaySep 28 | 77°F25°C | 55°F13°C | 0 in0 mm· — | 26% | Clear | WSW 5 mph8 km/h | |
DayPartly cloudy and warm, with a high of 77°F25°C and morning low of 56°F13°C. Breezy from the WSW at 5 to 7 mph8 to 12 km/h. NightPartly cloudy, with a low around 55°F13°C. Light wind from the SW around 5 mph8 km/h. | |||||||
| TuesdaySep 29 | 79°F26°C | 55°F13°C | 0.01 in0.2 mm· 2% | 24% | Clear | WSW 5 mph8 km/h | |
DayPartly cloudy and warm, with a high of 79°F26°C and morning low of 57°F14°C. Breezy from the WSW at 5 to 7 mph8 to 12 km/h. NightMostly clear, with a low around 55°F13°C. Light wind from the SW around 5 mph8 km/h. | |||||||
| WednesdaySep 30 | 79°F26°C | 57°F14°C | 0 in0.1 mm· 2% | 28% | Clear | WSW 5 mph8 km/h | |
DayPartly cloudy and warm, with a high of 79°F26°C and morning low of 58°F15°C. Breezy from the WSW at 5 to 7 mph9 to 12 km/h. NightPartly cloudy, with a low around 57°F14°C. Light wind from the SW around 5 mph8 km/h. | |||||||
| ThursdayOct 1 | 79°F26°C | 57°F14°C | 0 in0.1 mm· 2% | 32% | Clear | WSW 6 mph9 km/h | |
DayPartly cloudy and warm, with a high of 79°F26°C and morning low of 59°F15°C. Breezy from the WSW at 6 to 7 mph9 to 12 km/h. NightPartly cloudy, with a low around 57°F14°C. Light wind from the SW around 5 mph8 km/h. | |||||||
| FridayOct 2 | 82°F28°C | 57°F14°C | 0.01 in0.2 mm· 2% | 19% | Clear | WSW 5 mph8 km/h | |
DayMostly clear and warm, with a high of 82°F28°C and morning low of 58°F15°C. Light wind from the WNW around 5 mph8 km/h. Dry air. NightMostly clear, with a low around 57°F14°C. Light wind from the SW around 5 mph7 km/h. | |||||||
| SaturdayOct 3 | 83°F29°C | 58°F14°C | 0 in0.1 mm· 1% | 24% | Clear | WSW 4 mph7 km/h | |
DayPartly cloudy and warm, with a high of 83°F29°C and morning low of 61°F16°C. Light wind from the WNW around 5 mph7 km/h. Dry air. NightMostly clear, with a low around 58°F14°C. Light wind from the SW around 4 mph7 km/h. | |||||||
| SundayOct 4 | 81°F27°C | 58°F15°C | 0.02 in0.4 mm· 4% | 25% | Clear | WSW 5 mph7 km/h | |
DayPartly cloudy and warm, with a high of 81°F27°C and morning low of 59°F15°C. Light wind from the W around 5 mph7 km/h. Dry air. NightMostly clear, with a low around 58°F15°C. Light wind from the SW around 4 mph7 km/h. | |||||||
| MondayOct 5 | 82°F28°C | 58°F15°C | 0.01 in0.3 mm· 4% | 22% | Clear | WSW 4 mph7 km/h | |
DayMostly clear and warm, with a high of 82°F28°C and morning low of 60°F16°C. Light wind from the W around 5 mph7 km/h. NightMostly clear, with a low around 58°F15°C. Light wind from the SW around 4 mph7 km/h. | |||||||
| TuesdayOct 6 | 82°F28°C | 59°F15°C | 0.01 in0.2 mm· 3% | 25% | Clear | WSW 5 mph7 km/h | |
DayMostly clear and warm, with a high of 82°F28°C and morning low of 60°F16°C. Light wind from the W around 5 mph8 km/h. NightPartly cloudy, with a low around 59°F15°C. Light wind from the WSW around 4 mph7 km/h. | |||||||
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About This Forecast
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Coordinates: 37.9063°N, 122.0650°W·Elevation: 52m·Timezone: America/Los_Angeles·Population: 68,910