Current Conditions

Hayward, California

61°F16°C
Partly Cloudy

Wind

SSW 8 mph14 km/h

Humidity

80%

Cloud Cover

95%

As of Thursday, August 13, 2026 at 7:35 AM PDT

Today's Outlook

Day

Mostly cloudy and warm, with a high of 70°F21°C and morning low of 61°F16°C. Breezy from the SW at 10 to 11 mph16 to 17 km/h.

Night

Overcast, with a low around 59°F15°C. Breezy from the SW at 8 to 9 mph13 to 14 km/h.

7-Day Forecast

DayConditionHigh (°F)Low (°F)Precip (mm)Cloud Cover (%)Wind (mph)
Partly CloudyHigh 70°F21°CLow 59°F15°CPrecip 0 in0 mmCloud 80%Wind SW 9 mph15 km/hThursday: Mostly cloudy and warm, with a high of 70°F21°C and morning low of 61°F16°C. Breezy from the SW at 10 to 11 mph16 to 17 km/h. Thursday Night: Overcast, with a low around 59°F15°C. Breezy from the SW at 8 to 9 mph13 to 14 km/h.
Partly CloudyHigh 70°F21°CLow 58°F15°CPrecip 0 in0.1 mmCloud 69%Wind WSW 7 mph11 km/hFriday: Mostly cloudy and warm, with a high of 70°F21°C and morning low of 60°F16°C. Breezy from the WSW at 7 to 9 mph12 to 15 km/h. Friday Night: Mostly cloudy, with a low around 58°F15°C. Breezy from the WSW at 6 to 7 mph10 to 12 km/h.
Partly CloudyHigh 72°F22°CLow 58°F14°CPrecip 0 in0 mmCloud 62%Wind WSW 6 mph9 km/hSaturday: Mostly cloudy and warm, with a high of 72°F22°C and morning low of 60°F15°C. Breezy from the WSW at 6 to 8 mph10 to 13 km/h. Saturday Night: Mostly cloudy, with a low around 58°F14°C. Light wind from the WSW around 5 mph8 km/h.
Partly CloudyHigh 75°F24°CLow 57°F14°CPrecip 0 in0 mmCloud 80%Wind WSW 5 mph8 km/hSunday: Overcast and warm, with a high of 75°F24°C and morning low of 59°F15°C. Breezy from the W at 6 to 8 mph9 to 12 km/h. Sunday Night: Mostly cloudy, with a low around 57°F14°C. Light wind from the WSW around 4 mph7 km/h.
Partly CloudyHigh 73°F23°CLow 58°F15°CPrecip 0 in0 mmCloud 79%Wind WSW 6 mph10 km/hMonday: Mostly cloudy and warm, with a high of 73°F23°C and morning low of 60°F15°C. Breezy from the WSW at 7 to 8 mph11 to 13 km/h. Monday Night: Overcast, with a low around 58°F15°C. Light wind from the WSW around 5 mph8 km/h.
Partly CloudyHigh 75°F24°CLow 58°F14°CPrecip 0 in0 mmCloud 58%Wind WSW 6 mph9 km/hTuesday: Mostly cloudy and warm, with a high of 75°F24°C and morning low of 60°F15°C. Breezy from the WSW at 6 to 8 mph10 to 13 km/h. Tuesday Night: Mostly cloudy, with a low around 58°F14°C. Light wind from the SW around 5 mph8 km/h.
Partly CloudyHigh 74°F23°CLow 58°F15°CPrecip 0 in0 mmCloud 50%Wind WSW 6 mph10 km/hWednesday: Partly cloudy and warm, with a high of 74°F23°C and morning low of 60°F16°C. Breezy from the WSW at 7 to 9 mph11 to 14 km/h. Wednesday Night: Mostly cloudy, with a low around 58°F15°C. Light wind from the SW around 5 mph9 km/h.

15-Day Forecast

Day High Low Precip Cloud Cover Condition Wind
ThursdayAug 1370°F21°C59°F15°C0 in0 mm· —80%Partly CloudySW 9 mph15 km/h
FridayAug 1470°F21°C58°F15°C0 in0.1 mm· —69%Partly CloudyWSW 7 mph11 km/h
SaturdayAug 1572°F22°C58°F14°C0 in0 mm· —62%Partly CloudyWSW 6 mph9 km/h
SundayAug 1675°F24°C57°F14°C0 in0 mm· —80%Partly CloudyWSW 5 mph8 km/h
MondayAug 1773°F23°C58°F15°C0 in0 mm· —79%Partly CloudyWSW 6 mph10 km/h
TuesdayAug 1875°F24°C58°F14°C0 in0 mm· —58%Partly CloudyWSW 6 mph9 km/h
WednesdayAug 1974°F23°C58°F15°C0 in0 mm· —50%Partly CloudyWSW 6 mph10 km/h
ThursdayAug 2073°F23°C58°F14°C0 in0 mm· —52%Partly CloudyWSW 6 mph10 km/h
FridayAug 2175°F24°C58°F14°C0 in0 mm· —45%Partly CloudyWSW 6 mph9 km/h
SaturdayAug 2276°F24°C58°F14°C0 in0 mm· —35%ClearWSW 5 mph9 km/h
SundayAug 2378°F25°C58°F15°C0 in0 mm· —31%ClearWSW 5 mph8 km/h
MondayAug 2477°F25°C59°F15°C0 in0 mm· —33%ClearWSW 5 mph8 km/h
TuesdayAug 2577°F25°C58°F15°C0 in0 mm· —36%ClearWSW 5 mph8 km/h
WednesdayAug 2677°F25°C58°F14°C0 in0.1 mm· 2%40%ClearWSW 5 mph8 km/h
ThursdayAug 2777°F25°C58°F15°C0 in0.1 mm· 2%42%Partly CloudyWSW 5 mph8 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 →

How to Access Weather Forecasts

PatternExampleDescription
/weather/{country}/{city}//weather/united-states/san-francisco/City forecast (canonical URL)
/weather/{city}//weather/tokyo/Shorthand — redirects to most populous match
/weather/{country}/{region}/{city}//weather/united-states/california/san-francisco/With region — redirects to canonical
/weather/nearby?lat={lat}&lon={lon}/weather/nearby?lat=48.1&lon=11.5Find nearest city by coordinates
/weather/{country}//weather/germany/Country index — all cities by region

Country and city names use lowercase slugs with hyphens (e.g. united-states, san-francisco). Arbitrary city names are supported — if not in our database, we geocode the name and serve the forecast for that location.

For programmatic access, use theWindBorne Forecast APIwhich returns structured JSON for any coordinates worldwide.

Coordinates: 37.6688°N, 122.0808°W·Elevation: 34m·Timezone: America/Los_Angeles·Population: 158,289