Current Conditions

Sunnyvale, California

61°F16°C
Clear

Wind

WNW 4 mph7 km/h

Humidity

83%

Cloud Cover

15%

As of Thursday, July 23, 2026 at 11:28 PM PDT

Today's Outlook

Night

Partly cloudy, with a low around 57°F14°C. Light wind from the WNW around 4 mph7 km/h.

7-Day Forecast

DayConditionHigh (°F)Low (°F)Precip (mm)Cloud Cover (%)Wind (mph)
FridayJul 24ClearHigh 74°F23°CLow 57°F14°CPrecip 0 in0 mmCloud 24%Wind WNW 5 mph9 km/hFriday: Mostly clear and warm, with a high of 74°F23°C and morning low of 60°F16°C. Breezy from the WNW at 7 to 9 mph11 to 14 km/h. Friday Night: Partly cloudy, with a low around 57°F14°C. Light wind from the WNW around 4 mph7 km/h.
SaturdayJul 25ClearHigh 75°F24°CLow 56°F14°CPrecip 0 in0 mmCloud 22%Wind WNW 6 mph9 km/hSaturday: Mostly clear and warm, with a high of 75°F24°C and morning low of 60°F16°C. Breezy from the WNW at 7 to 9 mph11 to 14 km/h. Saturday Night: Partly cloudy, with a low around 56°F14°C. Light wind from the WNW around 4 mph7 km/h.
SundayJul 26ClearHigh 75°F24°CLow 58°F14°CPrecip 0 in0 mmCloud 27%Wind WNW 5 mph8 km/hSunday: Mostly clear and warm, with a high of 75°F24°C and morning low of 62°F16°C. Breezy from the WNW at 6 to 8 mph10 to 13 km/h. Sunday Night: Partly cloudy, with a low around 58°F14°C. Light wind from the WNW around 4 mph7 km/h.
MondayJul 27ClearHigh 75°F24°CLow 57°F14°CPrecip 0 in0 mmCloud 22%Wind WNW 5 mph8 km/hMonday: Mostly clear and warm, with a high of 75°F24°C and morning low of 60°F16°C. Breezy from the WNW at 6 to 8 mph10 to 13 km/h. Monday Night: Partly cloudy, with a low around 57°F14°C. Light wind from the WNW around 4 mph7 km/h.
TuesdayJul 28ClearHigh 78°F25°CLow 57°F14°CPrecip 0 in0 mmCloud 13%Wind W 5 mph8 km/hTuesday: Mostly clear and warm, with a high of 78°F25°C and morning low of 62°F17°C. Breezy from the W at 6 to 8 mph10 to 13 km/h. Tuesday Night: Mostly clear, with a low around 57°F14°C. Light wind from the W around 4 mph6 km/h.
WednesdayJul 29ClearHigh 78°F26°CLow 59°F15°CPrecip 0 in0 mmCloud 20%Wind W 4 mph7 km/hWednesday: Mostly clear and warm, with a high of 78°F26°C and morning low of 62°F17°C. Breezy from the W at 5 to 7 mph8 to 11 km/h. Wednesday Night: Mostly clear, with a low around 59°F15°C. Light wind from the W around 3 mph6 km/h.
ThursdayJul 30ClearHigh 79°F26°CLow 59°F15°CPrecip 0 in0 mmCloud 19%Wind W 4 mph7 km/hThursday: Mostly clear and warm, with a high of 79°F26°C and morning low of 62°F17°C. Light wind from the W around 5 mph8 km/h. Thursday Night: Mostly clear, with a low around 59°F15°C. Light wind from the W around 3 mph5 km/h.

15-Day Forecast

Day High (°F) Low (°F) Precip (mm) Cloud Cover (%) Condition Wind (mph)

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: 37.3688°N, 122.0363°W·Elevation: 39m·Timezone: America/Los_Angeles·Population: 155,805