Current Conditions

Sunnyvale, California

58°F15°C

Partly Cloudy

Wind

SSW 6 mph10 km/h

Humidity

86%

Cloud Cover

91%

As of Thursday, August 13, 2026 at 3:41 AM PDT

Today's Outlook

Day

Mostly cloudy and warm, with a high of 69°F20°C and morning low of 60°F16°C. Breezy from the SSW at 8 to 9 mph13 to 15 km/h.

Night

Mostly cloudy, with a low around 58°F15°C. Light wind from the SW around 6 mph9 km/h.

7-Day Forecast

Condition	High (°F)	Low (°F)	Precip (mm)	Cloud Cover (%)	Wind (mph)
Partly Cloudy	High 69°F20°C	Low 58°F15°C	Precip 0 in0 mm—	Cloud 71%	Wind SW 7 mph11 km/h	Thursday: Mostly cloudy and warm, with a high of 69°F20°C and morning low of 60°F16°C. Breezy from the SSW at 8 to 9 mph13 to 15 km/h. Thursday Night: Mostly cloudy, with a low around 58°F15°C. Light wind from the SW around 6 mph9 km/h.
Partly Cloudy	High 69°F20°C	Low 58°F14°C	Precip 0 in0.1 mm—	Cloud 69%	Wind WSW 6 mph9 km/h	Friday: Mostly cloudy and warm, with a high of 69°F20°C and morning low of 59°F15°C. Breezy from the SW at 6 to 8 mph10 to 13 km/h. Friday Night: Mostly cloudy, with a low around 58°F14°C. Light wind from the WSW around 5 mph8 km/h.
Partly Cloudy	High 71°F22°C	Low 57°F14°C	Precip 0 in0 mm—	Cloud 57%	Wind W 4 mph7 km/h	Saturday: Mostly cloudy and warm, with a high of 71°F22°C and morning low of 59°F15°C. Light wind from the W around 5 mph8 km/h. Saturday Night: Mostly cloudy, with a low around 57°F14°C. Light wind from the W around 4 mph6 km/h.
Partly Cloudy	High 76°F24°C	Low 57°F14°C	Precip 0 in0 mm—	Cloud 70%	Wind W 4 mph6 km/h	Sunday: Mostly cloudy and warm, with a high of 76°F24°C and morning low of 59°F15°C. Light wind from the W around 4 mph7 km/h. Sunday Night: Mostly cloudy, with a low around 57°F14°C. Light wind from the W around 3 mph5 km/h.
Partly Cloudy	High 76°F24°C	Low 59°F15°C	Precip 0 in0 mm—	Cloud 77%	Wind W 4 mph6 km/h	Monday: Mostly cloudy and warm, with a high of 76°F24°C and morning low of 61°F16°C. Light wind from the W around 5 mph7 km/h. Monday Night: Overcast, with a low around 59°F15°C. Light wind from the W around 3 mph5 km/h.
Partly Cloudy	High 76°F25°C	Low 58°F15°C	Precip 0 in0 mm—	Cloud 54%	Wind W 4 mph6 km/h	Tuesday: Partly cloudy and warm, with a high of 76°F25°C and morning low of 60°F16°C. Light wind from the W around 5 mph8 km/h. Tuesday Night: Mostly cloudy, with a low around 58°F15°C. Light wind from the W around 3 mph5 km/h.
Partly Cloudy	High 76°F24°C	Low 59°F15°C	Precip 0 in0 mm—	Cloud 42%	Wind W 4 mph7 km/h	Wednesday: Partly cloudy and warm, with a high of 76°F24°C and morning low of 61°F16°C. Light wind from the W around 5 mph8 km/h. Wednesday Night: Partly cloudy, with a low around 59°F15°C. Light wind from the WSW around 3 mph6 km/h.

15-Day Forecast

	Day	High	Low	Precip	Cloud Cover	Condition	Wind
	ThursdayAug 13	69°F20°C	58°F15°C	0 in0 mm· —	71%	Partly Cloudy	SW 7 mph11 km/h
DayMostly cloudy and warm, with a high of 69°F20°C and morning low of 60°F16°C. Breezy from the SSW at 8 to 9 mph13 to 15 km/h. NightMostly cloudy, with a low around 58°F15°C. Light wind from the SW around 6 mph9 km/h.
	FridayAug 14	69°F20°C	58°F14°C	0 in0.1 mm· —	69%	Partly Cloudy	WSW 6 mph9 km/h
DayMostly cloudy and warm, with a high of 69°F20°C and morning low of 59°F15°C. Breezy from the SW at 6 to 8 mph10 to 13 km/h. NightMostly cloudy, with a low around 58°F14°C. Light wind from the WSW around 5 mph8 km/h.
	SaturdayAug 15	71°F22°C	57°F14°C	0 in0 mm· —	57%	Partly Cloudy	W 4 mph7 km/h
DayMostly cloudy and warm, with a high of 71°F22°C and morning low of 59°F15°C. Light wind from the W around 5 mph8 km/h. NightMostly cloudy, with a low around 57°F14°C. Light wind from the W around 4 mph6 km/h.
	SundayAug 16	76°F24°C	57°F14°C	0 in0 mm· —	70%	Partly Cloudy	W 4 mph6 km/h
DayMostly cloudy and warm, with a high of 76°F24°C and morning low of 59°F15°C. Light wind from the W around 4 mph7 km/h. NightMostly cloudy, with a low around 57°F14°C. Light wind from the W around 3 mph5 km/h.
	MondayAug 17	76°F24°C	59°F15°C	0 in0 mm· —	77%	Partly Cloudy	W 4 mph6 km/h
DayMostly cloudy and warm, with a high of 76°F24°C and morning low of 61°F16°C. Light wind from the W around 5 mph7 km/h. NightOvercast, with a low around 59°F15°C. Light wind from the W around 3 mph5 km/h.
	TuesdayAug 18	76°F25°C	58°F15°C	0 in0 mm· —	54%	Partly Cloudy	W 4 mph6 km/h
DayPartly cloudy and warm, with a high of 76°F25°C and morning low of 60°F16°C. Light wind from the W around 5 mph8 km/h. NightMostly cloudy, with a low around 58°F15°C. Light wind from the W around 3 mph5 km/h.
	WednesdayAug 19	76°F24°C	59°F15°C	0 in0 mm· —	42%	Partly Cloudy	W 4 mph7 km/h
DayPartly cloudy and warm, with a high of 76°F24°C and morning low of 61°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 3 mph6 km/h.
	ThursdayAug 20	75°F24°C	58°F15°C	0 in0 mm· —	39%	Clear	W 4 mph7 km/h
DayPartly cloudy and warm, with a high of 75°F24°C and morning low of 60°F16°C. Breezy from the W at 5 to 7 mph8 to 11 km/h. NightPartly cloudy, with a low around 58°F15°C. Light wind from the W around 4 mph6 km/h.
	FridayAug 21	75°F24°C	58°F15°C	0 in0 mm· —	35%	Clear	W 4 mph7 km/h
DayPartly cloudy and warm, with a high of 75°F24°C and morning low of 61°F16°C. Breezy from the W at 5 to 7 mph8 to 11 km/h. NightPartly cloudy, with a low around 58°F15°C. Light wind from the W around 3 mph6 km/h.
	SaturdayAug 22	76°F25°C	59°F15°C	0 in0 mm· —	32%	Clear	W 4 mph6 km/h
DayPartly cloudy and warm, with a high of 76°F25°C and morning low of 62°F17°C. Light wind from the W around 5 mph8 km/h. NightPartly cloudy, with a low around 59°F15°C. Light wind from the W around 3 mph5 km/h.
	SundayAug 23	77°F25°C	59°F15°C	0 in0 mm· —	29%	Clear	W 4 mph6 km/h
DayMostly clear and warm, with a high of 77°F25°C and morning low of 62°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 W around 3 mph5 km/h.
	MondayAug 24	77°F25°C	59°F15°C	0 in0 mm· —	27%	Clear	WSW 4 mph6 km/h
DayMostly clear and warm, with a high of 77°F25°C and morning low of 62°F16°C. Light wind from the WSW around 5 mph7 km/h. NightPartly cloudy, with a low around 59°F15°C. Light wind from the WSW around 3 mph5 km/h.
	TuesdayAug 25	77°F25°C	59°F15°C	0 in0 mm· —	31%	Clear	WSW 4 mph6 km/h
DayPartly cloudy and warm, with a high of 77°F25°C and morning low of 61°F16°C. Light wind from the WSW around 5 mph7 km/h. NightPartly cloudy, with a low around 59°F15°C. Light wind from the WSW around 3 mph5 km/h.
	WednesdayAug 26	76°F25°C	59°F15°C	0 in0 mm· —	35%	Clear	WSW 4 mph6 km/h
DayPartly cloudy and warm, with a high of 76°F25°C and morning low of 61°F16°C. Light wind from the WSW around 5 mph7 km/h. NightPartly cloudy, with a low around 59°F15°C. Light wind from the WSW around 3 mph5 km/h.
	ThursdayAug 27	77°F25°C	58°F15°C	0.02 in0.4 mm· 2%	41%	Partly Cloudy	W 4 mph6 km/h
DayPartly cloudy and warm, with a high of 77°F25°C and morning low of 60°F16°C. Light wind from the W around 4 mph7 km/h. NightPartly cloudy, with a low around 58°F15°C. Light wind from the W around 3 mph5 km/h.

Nearby Cities

Mountain View3 mi5 km Cupertino3 mi5 km Los Altos4 mi7 km Santa Clara5 mi7 km Saratoga7 mi12 km Campbell7 mi12 km

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.

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