Current Conditions
Walnut Creek, California
Wind
NE 3 mph4 km/h
Humidity
21%
Cloud Cover
34%
As of Tuesday, September 8, 2026 at 2:38 PM PDT
Today's Outlook
Day
Partly cloudy and hot, with a high of 92°F33°C and morning low of 81°F27°C. Light wind from the NNE around 3 mph5 km/h. Dry air.
Night
Mostly cloudy, with a low around 71°F22°C. Light wind from the WSW around 4 mph7 km/h.
7-Day Forecast
| Day | Condition | High (°F) | Low (°F) | Precip (mm) | Cloud Cover (%) | Wind (mph) | |
|---|---|---|---|---|---|---|---|
| Partly Cloudy | High 92°F33°C | Low 71°F22°C | Precip 0 in0 mm— | Cloud 47% | Wind NW 4 mph6 km/h | Tuesday: Partly cloudy and hot, with a high of 92°F33°C and morning low of 81°F27°C. Light wind from the NNE around 3 mph5 km/h. Dry air. Tuesday Night: Mostly cloudy, with a low around 71°F22°C. Light wind from the WSW around 4 mph7 km/h. | |
| Hot | High 95°F35°C | Low 67°F20°C | Precip 0 in0 mm— | Cloud 71% | Wind WNW 4 mph6 km/h | Wednesday: Mostly cloudy and hot, with a high of 95°F35°C and morning low of 70°F21°C. Light wind from the N around 4 mph6 km/h. Heat risk in the afternoon. Wednesday Night: Mostly cloudy, with a low around 67°F20°C. Light wind from the WSW around 3 mph6 km/h. | |
| Clear | High 94°F35°C | Low 69°F21°C | Precip 0 in0 mm— | Cloud 21% | Wind WSW 6 mph10 km/h | Thursday: Mostly clear and hot, with a high of 94°F35°C and morning low of 72°F22°C. Breezy from the WSW at 7 to 10 mph11 to 16 km/h. Thursday Night: Mostly clear, with a low around 69°F21°C. Breezy from the SW at 6 to 8 mph9 to 12 km/h. | |
| Clear | High 80°F27°C | Low 63°F17°C | Precip 0 in0 mm— | Cloud 12% | Wind SW 8 mph13 km/h | Friday: Mostly clear and warm, with a high of 80°F27°C and morning low of 64°F18°C. Breezy from the WSW at 9 to 11 mph15 to 17 km/h. Friday Night: Mostly clear, with a low around 63°F17°C. Breezy from the SW at 7 to 8 mph12 to 13 km/h. | |
| Clear | High 77°F25°C | Low 59°F15°C | Precip 0 in0 mm— | Cloud 10% | Wind WSW 9 mph15 km/h | Saturday: Mostly clear and warm, with a high of 77°F25°C and morning low of 61°F16°C. Breezy from the WSW at 11 to 12 mph17 to 20 km/h. Saturday Night: Mostly clear, with a low around 59°F15°C. Breezy from the SW at 8 to 10 mph13 to 16 km/h. | |
| Clear | High 80°F27°C | Low 57°F14°C | Precip 0 in0 mm— | Cloud 9% | Wind WSW 6 mph10 km/h | Sunday: Mostly clear and warm, with a high of 80°F27°C and morning low of 60°F16°C. Breezy from the W at 6 to 8 mph10 to 13 km/h. Dry air. Sunday Night: Mostly clear, with a low around 57°F14°C. Light wind from the WSW around 6 mph9 km/h. | |
| Clear | High 81°F27°C | Low 57°F14°C | Precip 0 in0 mm— | Cloud 16% | Wind WSW 6 mph9 km/h | Monday: Mostly clear and warm, with a high of 81°F27°C and morning low of 60°F15°C. Breezy from the WSW at 6 to 9 mph9 to 14 km/h. Monday Night: Mostly clear, with a low around 57°F14°C. Breezy from the SW at 5 to 7 mph9 to 11 km/h. |
15-Day Forecast
| Day | High | Low | Precip | Cloud Cover | Condition | Wind | |
|---|---|---|---|---|---|---|---|
| TuesdaySep 8 | 92°F33°C | 71°F22°C | 0 in0 mm· — | 47% | Partly Cloudy | NW 4 mph6 km/h | |
DayPartly cloudy and hot, with a high of 92°F33°C and morning low of 81°F27°C. Light wind from the NNE around 3 mph5 km/h. Dry air. NightMostly cloudy, with a low around 71°F22°C. Light wind from the WSW around 4 mph7 km/h. | |||||||
| WednesdaySep 9 | 95°F35°C | 67°F20°C | 0 in0 mm· — | 71% | Hot | WNW 4 mph6 km/h | |
DayMostly cloudy and hot, with a high of 95°F35°C and morning low of 70°F21°C. Light wind from the N around 4 mph6 km/h. Heat risk in the afternoon. NightMostly cloudy, with a low around 67°F20°C. Light wind from the WSW around 3 mph6 km/h. | |||||||
| ThursdaySep 10 | 94°F35°C | 69°F21°C | 0 in0 mm· — | 21% | Clear | WSW 6 mph10 km/h | |
DayMostly clear and hot, with a high of 94°F35°C and morning low of 72°F22°C. Breezy from the WSW at 7 to 10 mph11 to 16 km/h. NightMostly clear, with a low around 69°F21°C. Breezy from the SW at 6 to 8 mph9 to 12 km/h. | |||||||
| FridaySep 11 | 80°F27°C | 63°F17°C | 0 in0 mm· — | 12% | Clear | SW 8 mph13 km/h | |
DayMostly clear and warm, with a high of 80°F27°C and morning low of 64°F18°C. Breezy from the WSW at 9 to 11 mph15 to 17 km/h. NightMostly clear, with a low around 63°F17°C. Breezy from the SW at 7 to 8 mph12 to 13 km/h. | |||||||
| SaturdaySep 12 | 77°F25°C | 59°F15°C | 0 in0 mm· — | 10% | Clear | WSW 9 mph15 km/h | |
DayMostly clear and warm, with a high of 77°F25°C and morning low of 61°F16°C. Breezy from the WSW at 11 to 12 mph17 to 20 km/h. NightMostly clear, with a low around 59°F15°C. Breezy from the SW at 8 to 10 mph13 to 16 km/h. | |||||||
| SundaySep 13 | 80°F27°C | 57°F14°C | 0 in0 mm· — | 9% | Clear | WSW 6 mph10 km/h | |
DayMostly clear and warm, with a high of 80°F27°C and morning low of 60°F16°C. Breezy from the W at 6 to 8 mph10 to 13 km/h. Dry air. NightMostly clear, with a low around 57°F14°C. Light wind from the WSW around 6 mph9 km/h. | |||||||
| MondaySep 14 | 81°F27°C | 57°F14°C | 0 in0 mm· — | 16% | Clear | WSW 6 mph9 km/h | |
DayMostly clear and warm, with a high of 81°F27°C and morning low of 60°F15°C. Breezy from the WSW at 6 to 9 mph9 to 14 km/h. NightMostly clear, with a low around 57°F14°C. Breezy from the SW at 5 to 7 mph9 to 11 km/h. | |||||||
| TuesdaySep 15 | 76°F25°C | 57°F14°C | 0 in0 mm· — | 34% | Clear | SW 7 mph11 km/h | |
DayPartly cloudy and warm, with a high of 76°F25°C and morning low of 60°F15°C. Breezy from the WSW at 8 to 10 mph12 to 15 km/h. NightPartly cloudy, with a low around 57°F14°C. Breezy from the SW at 7 to 8 mph11 to 13 km/h. | |||||||
| WednesdaySep 16 | 75°F24°C | 58°F14°C | 0 in0 mm· — | 35% | Clear | WSW 7 mph11 km/h | |
DayPartly cloudy and warm, with a high of 75°F24°C and morning low of 59°F15°C. Breezy from the WSW at 7 to 9 mph12 to 14 km/h. NightPartly cloudy, with a low around 58°F14°C. Breezy from the SW at 7 to 8 mph11 to 12 km/h. | |||||||
| ThursdaySep 17 | 77°F25°C | 57°F14°C | 0 in0.1 mm· 2% | 22% | Clear | WSW 6 mph10 km/h | |
DayMostly clear and warm, with a high of 77°F25°C and morning low of 60°F16°C. Breezy from the WSW at 6 to 8 mph10 to 13 km/h. NightMostly clear, with a low around 57°F14°C. Light wind from the WSW around 6 mph9 km/h. | |||||||
| FridaySep 18 | 78°F26°C | 56°F14°C | 0 in0 mm· — | 26% | Clear | WSW 5 mph9 km/h | |
DayPartly cloudy and warm, with a high of 78°F26°C and morning low of 58°F15°C. Breezy from the W at 6 to 7 mph9 to 12 km/h. NightPartly cloudy, with a low around 56°F14°C. Light wind from the WSW around 5 mph8 km/h. | |||||||
| SaturdaySep 19 | 79°F26°C | 57°F14°C | 0.01 in0.2 mm· 1% | 29% | Clear | WSW 6 mph9 km/h | |
DayPartly cloudy and warm, with a high of 79°F26°C and morning low of 60°F16°C. Breezy from the WSW at 6 to 8 mph9 to 12 km/h. NightPartly cloudy, with a low around 57°F14°C. Light wind from the SW around 5 mph8 km/h. | |||||||
| SundaySep 20 | 79°F26°C | 57°F14°C | 0 in0 mm· — | 30% | 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 8 mph10 to 13 km/h. NightPartly cloudy, with a low around 57°F14°C. Light wind from the SW around 5 mph9 km/h. | |||||||
| MondaySep 21 | 80°F27°C | 58°F15°C | 0 in0.1 mm· 2% | 30% | Clear | WSW 6 mph9 km/h | |
DayPartly cloudy and warm, with a high of 80°F27°C and morning low of 60°F15°C. Breezy from the WSW at 6 to 8 mph9 to 13 km/h. NightPartly cloudy, with a low around 58°F15°C. Light wind from the SW around 5 mph9 km/h. | |||||||
| TuesdaySep 22 | 80°F27°C | 59°F15°C | 0 in0 mm· — | 35% | Clear | WSW 6 mph9 km/h | |
DayPartly cloudy and warm, with a high of 80°F27°C and morning low of 60°F16°C. Breezy from the WSW at 6 to 8 mph9 to 12 km/h. NightPartly cloudy, with a low around 59°F15°C. Light wind from the SW around 5 mph9 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