Current Conditions
Pittsburg, California
Wind
NNE 3 mph5 km/h
Humidity
19%
Cloud Cover
49%
As of Tuesday, September 8, 2026 at 3:58 PM PDT
Today's Outlook
Day
Partly cloudy and hot, with a high of 93°F34°C and morning low of 81°F27°C. Light wind from the NNE around 4 mph6 km/h. Dry air.
Night
Overcast, with a low around 74°F23°C. Light wind from the W around 4 mph7 km/h.
7-Day Forecast
| Day | Condition | High (°F) | Low (°F) | Precip (mm) | Cloud Cover (%) | Wind (mph) | |
|---|---|---|---|---|---|---|---|
| Partly Cloudy | High 93°F34°C | Low 74°F23°C | Precip 0 in0 mm— | Cloud 51% | Wind NNW 4 mph6 km/h | Tuesday: Partly cloudy and hot, with a high of 93°F34°C and morning low of 81°F27°C. Light wind from the NNE around 4 mph6 km/h. Dry air. Tuesday Night: Overcast, with a low around 74°F23°C. Light wind from the W around 4 mph7 km/h. | |
| Hot | High 98°F37°C | Low 68°F20°C | Precip 0 in0 mm— | Cloud 70% | Wind WNW 4 mph6 km/h | Wednesday: Mostly cloudy and hot, with a high of 98°F37°C and morning low of 71°F22°C. Light wind from the NNW around 4 mph6 km/h. Heat risk in the afternoon. Wednesday Night: Mostly cloudy, with a low around 68°F20°C. Light wind from the WSW around 4 mph6 km/h. | |
| Hot | High 97°F36°C | Low 71°F21°C | Precip 0 in0 mm— | Cloud 20% | Wind WSW 7 mph11 km/h | Thursday: Mostly clear and hot, with a high of 97°F36°C and morning low of 73°F23°C. Breezy from the WSW at 7 to 11 mph11 to 17 km/h. Heat risk in the afternoon. Thursday Night: Mostly clear, with a low around 71°F21°C. Breezy from the SW at 7 to 9 mph11 to 15 km/h. | |
| Clear | High 84°F29°C | Low 65°F18°C | Precip 0 in0 mm— | Cloud 7% | Wind SW 9 mph15 km/h | Friday: Mostly clear and warm, with a high of 84°F29°C and morning low of 66°F19°C. Breezy from the WSW at 10 to 12 mph16 to 19 km/h. Friday Night: Mostly clear, with a low around 65°F18°C. Breezy from the SW at 8 to 9 mph13 to 15 km/h. | |
| Clear | High 81°F27°C | Low 61°F16°C | Precip 0 in0 mm— | Cloud 8% | Wind WSW 10 mph16 km/h | Saturday: Mostly clear and warm, with a high of 81°F27°C and morning low of 63°F17°C. Breezy from the WSW at 11 to 13 mph18 to 21 km/h. Saturday Night: Mostly clear, with a low around 61°F16°C. Breezy from the SW at 9 to 11 mph15 to 18 km/h. | |
| Clear | High 83°F28°C | Low 59°F15°C | Precip 0 in0 mm— | Cloud 9% | Wind WSW 7 mph11 km/h | Sunday: Mostly clear and warm, with a high of 83°F28°C and morning low of 62°F17°C. Breezy from the W at 6 to 7 mph10 to 12 km/h. Dry air. Sunday Night: Mostly clear, with a low around 59°F15°C. Breezy from the SW at 7 to 8 mph11 to 13 km/h. | |
| Clear | High 84°F29°C | Low 59°F15°C | Precip 0 in0 mm— | Cloud 11% | Wind WSW 6 mph10 km/h | Monday: Mostly clear and warm, with a high of 84°F29°C and morning low of 61°F16°C. Breezy from the WSW at 6 to 7 mph9 to 12 km/h. Dry air. Monday Night: Mostly clear, with a low around 59°F15°C. Breezy from the SW at 6 to 8 mph10 to 13 km/h. |
15-Day Forecast
| Day | High | Low | Precip | Cloud Cover | Condition | Wind | |
|---|---|---|---|---|---|---|---|
| TuesdaySep 8 | 93°F34°C | 74°F23°C | 0 in0 mm· — | 51% | Partly Cloudy | NNW 4 mph6 km/h | |
DayPartly cloudy and hot, with a high of 93°F34°C and morning low of 81°F27°C. Light wind from the NNE around 4 mph6 km/h. Dry air. NightOvercast, with a low around 74°F23°C. Light wind from the W around 4 mph7 km/h. | |||||||
| WednesdaySep 9 | 98°F37°C | 68°F20°C | 0 in0 mm· — | 70% | Hot | WNW 4 mph6 km/h | |
DayMostly cloudy and hot, with a high of 98°F37°C and morning low of 71°F22°C. Light wind from the NNW around 4 mph6 km/h. Heat risk in the afternoon. NightMostly cloudy, with a low around 68°F20°C. Light wind from the WSW around 4 mph6 km/h. | |||||||
| ThursdaySep 10 | 97°F36°C | 71°F21°C | 0 in0 mm· — | 20% | Hot | WSW 7 mph11 km/h | |
DayMostly clear and hot, with a high of 97°F36°C and morning low of 73°F23°C. Breezy from the WSW at 7 to 11 mph11 to 17 km/h. Heat risk in the afternoon. NightMostly clear, with a low around 71°F21°C. Breezy from the SW at 7 to 9 mph11 to 15 km/h. | |||||||
| FridaySep 11 | 84°F29°C | 65°F18°C | 0 in0 mm· — | 7% | Clear | SW 9 mph15 km/h | |
DayMostly clear and warm, with a high of 84°F29°C and morning low of 66°F19°C. Breezy from the WSW at 10 to 12 mph16 to 19 km/h. NightMostly clear, with a low around 65°F18°C. Breezy from the SW at 8 to 9 mph13 to 15 km/h. | |||||||
| SaturdaySep 12 | 81°F27°C | 61°F16°C | 0 in0 mm· — | 8% | Clear | WSW 10 mph16 km/h | |
DayMostly clear and warm, with a high of 81°F27°C and morning low of 63°F17°C. Breezy from the WSW at 11 to 13 mph18 to 21 km/h. NightMostly clear, with a low around 61°F16°C. Breezy from the SW at 9 to 11 mph15 to 18 km/h. | |||||||
| SundaySep 13 | 83°F28°C | 59°F15°C | 0 in0 mm· — | 9% | Clear | WSW 7 mph11 km/h | |
DayMostly clear and warm, with a high of 83°F28°C and morning low of 62°F17°C. Breezy from the W at 6 to 7 mph10 to 12 km/h. Dry air. NightMostly clear, with a low around 59°F15°C. Breezy from the SW at 7 to 8 mph11 to 13 km/h. | |||||||
| MondaySep 14 | 84°F29°C | 59°F15°C | 0 in0 mm· — | 11% | Clear | WSW 6 mph10 km/h | |
DayMostly clear and warm, with a high of 84°F29°C and morning low of 61°F16°C. Breezy from the WSW at 6 to 7 mph9 to 12 km/h. Dry air. NightMostly clear, with a low around 59°F15°C. Breezy from the SW at 6 to 8 mph10 to 13 km/h. | |||||||
| TuesdaySep 15 | 79°F26°C | 59°F15°C | 0 in0 mm· — | 25% | Clear | WSW 8 mph12 km/h | |
DayPartly cloudy and warm, with a high of 79°F26°C and morning low of 61°F16°C. Breezy from the WSW at 8 to 9 mph12 to 15 km/h. NightMostly clear, with a low around 59°F15°C. Breezy from the SW at 8 to 9 mph12 to 15 km/h. | |||||||
| WednesdaySep 16 | 78°F26°C | 59°F15°C | 0 in0 mm· — | 28% | Clear | WSW 8 mph12 km/h | |
DayPartly cloudy and warm, with a high of 78°F26°C and morning low of 60°F16°C. Breezy from the WSW at 7 to 8 mph12 to 14 km/h. NightPartly cloudy, with a low around 59°F15°C. Breezy from the SW at 8 to 9 mph12 to 14 km/h. | |||||||
| ThursdaySep 17 | 80°F27°C | 58°F14°C | 0 in0 mm· — | 19% | Clear | WSW 6 mph10 km/h | |
DayMostly clear and warm, with a high of 80°F27°C and morning low of 61°F16°C. Breezy from the WSW at 6 to 7 mph10 to 11 km/h. NightMostly clear, with a low around 58°F14°C. Breezy from the WSW at 7 mph11 km/h. | |||||||
| FridaySep 18 | 81°F27°C | 58°F14°C | 0 in0.1 mm· 2% | 20% | Clear | WSW 6 mph10 km/h | |
DayMostly clear and warm, with a high of 81°F27°C and morning low of 60°F16°C. Breezy from the W at 6 to 7 mph9 to 11 km/h. NightMostly clear, with a low around 58°F14°C. Breezy from the WSW at 6 to 7 mph10 to 12 km/h. | |||||||
| SaturdaySep 19 | 82°F28°C | 58°F15°C | 0 in0 mm· — | 25% | Clear | WSW 6 mph10 km/h | |
DayPartly cloudy and warm, with a high of 82°F28°C and morning low of 61°F16°C. Breezy from the WSW at 6 to 7 mph10 to 12 km/h. NightMostly clear, with a low around 58°F15°C. Breezy from the WSW at 6 to 7 mph10 to 12 km/h. | |||||||
| SundaySep 20 | 82°F28°C | 59°F15°C | 0 in0 mm· — | 27% | Clear | WSW 6 mph10 km/h | |
DayPartly cloudy and warm, with a high of 82°F28°C and morning low of 60°F16°C. Breezy from the WSW at 6 to 8 mph10 to 12 km/h. NightPartly cloudy, with a low around 59°F15°C. Breezy from the SW at 6 to 7 mph10 to 12 km/h. | |||||||
| MondaySep 21 | 82°F28°C | 59°F15°C | 0.01 in0.2 mm· 3% | 31% | Clear | WSW 6 mph10 km/h | |
DayPartly cloudy and warm, with a high of 82°F28°C and morning low of 61°F16°C. Breezy from the WSW at 6 to 7 mph9 to 12 km/h. NightPartly cloudy, with a low around 59°F15°C. Breezy from the SW at 6 to 7 mph10 to 11 km/h. | |||||||
| TuesdaySep 22 | 83°F28°C | 60°F16°C | 0 in0.1 mm· 3% | 32% | Clear | WSW 6 mph10 km/h | |
DayPartly cloudy and warm, with a high of 83°F28°C and morning low of 62°F16°C. Breezy from the WSW at 6 to 7 mph10 to 11 km/h. NightPartly cloudy, with a low around 60°F16°C. Breezy from the WSW at 6 to 7 mph10 to 11 km/h. | |||||||
Nearby Cities
About This Forecast
This forecast is powered by WeatherMesh, the world's most advanced and accurate weather model powered by AI. WeatherMesh is built on proprietary data from WindBorne's Global Sounding Balloon constellation — the world's largest fleet of autonomous, long-duration weather balloons — collecting observations across 100% of Earth, including over oceans and remote regions where no other data exists.
WeatherMesh consistently outperforms legacy models in independent benchmarks. View Benchmarks →
Access WeatherMesh forecasts programmatically via our API. API Documentation →
Coordinates: 38.0280°N, 121.8847°W·Elevation: 8m·Timezone: America/Los_Angeles·Population: 69,424