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Weather in Sunnyvale

CA · 155 805 inhabitants · Thursday, September 17 · updated 20h05

Air : Bon Hot · 2 j
Clear sky
22°
Clear sky
Feels like 24°C
Wind
7 km/h
Gusts
8 km/h
Humidity
53 %
Pressure
1019 hPa
Clouds
2 %
Storm
No
Rise 06h50 Set 19h14 Day 12h23 UV 8 · Very high

Detailed forecast

Trend
Evening
Clear sky
Clear sky
16°15°
Feels like 16°
Wind ↑ ONO 8 km/h
Humidity 76 %

Weather charts for Sunnyvale · 7 days

Temperatures over 7 days

▲ +2.6° above seasonal normals this week
Highs Lows Seasonal normal (1991-2020 average)
10°17°23°30°36°Auj.VenSamDimLunMarMer34°13°Jeu 17 sept. : max 24° · min 19° · normale 18,9°Ven 18 sept. : max 26° · min 13° · normale 18,8°Sam 19 sept. : max 30° · min 14° · normale 18,8°Dim 20 sept. : max 26° · min 14° · normale 18,7°Lun 21 sept. : max 30° · min 12° · normale 18,6°Mar 22 sept. : max 32° · min 13° · normale 18,6°Mer 23 sept. : max 34° · min 13° · normale 18,5°

Hourly detail

JeuVenSamDimLunMarMerJeu11°24°36°34°12°02
Temperature (°C) Precipitation (mm) Wind (km/h)

Air quality & pollen in Sunnyvale

1/6
Bon
European Air Quality Index (EAQI) · CAMS source
PM2.57µg/m³
PM1011µg/m³

CAMS data (Copernicus) · air quality and pollen refreshed several times a day.

Rain in Sunnyvale: live radar and next-hour forecast

Will it rain in Sunnyvale? Track precipitation live on the radar and anticipate showers in the next hour — the +1 h extrapolation is based on the real movement of rain cells.

Full-screen radar · rain within the hour
Rain radar Observed, then extrapolation up to +1h (real cell movement) · drag the timeline

Moon calendar for Sunnyvale

Waxing crescent
34 % illuminated · 5,8 days
Rise 15h38 Set 00h13
Fri 18/9 44%
Sat 19/9 55% First quarter
Sun 20/9 65%
Mon 21/9 75%
Tue 22/9 83%
Wed 23/9 90%
Thu 24/9 96%
Fri 25/9 99%
Sat 26/9 100% Full moon
Sun 27/9 99%
Mon 28/9 95%
Tue 29/9 90%

Rise and set in local time (America/Los_Angeles) · phases and illumination computed by SkiesAtlas (synodic model).

Sea, waves and tides in Sunnyvale

Reference port: Sunnyvale

🌊 Water temperature
16,7 °C
satellite, 17/9
Sea state
Smooth
waves 0,9 m
Period
16 s
Swell
0,9 m
TodayThu 17/09
High tide 21:37 5,2 m
TomorrowFri 18/09
Low tide 04:38 2,5 m
High tide 10:00 3,7 m
Low tide 15:36 2,3 m
High tide 22:41 5,2 m
SatSat 19/09
Low tide 05:39 2,4 m
High tide 11:06 3,7 m
Low tide 16:42 2,3 m
High tide 23:38 5,3 m
SunSun 20/09
Low tide 06:26 2,3 m
High tide 11:59 3,9 m
Low tide 17:41 2,1 m

Heights are indicative, relative to chart datum · coefficient from 20 (neap) to 120 (spring) · full details on TidesAtlas

Weather history for Sunnyvale

What was the weather in Sunnyvale on a past date? Pick a day — ERA5 reanalysis data (ECMWF / Copernicus C3S), available up to one week ago.

The weather in Sunnyvale

Find the full weather for Sunnyvale, CA: current conditions, forecast by time of day (morning, afternoon, evening) and a 7-day trend. Right now the sky is “clear sky” with 22 °C (feels like 24 °C) and wind at 7 km/h.

Today, temperatures range from 19 °C to 24 °C, with no significant precipitation, under strong heat. Forecast computed by our multi-model engine SkiesAtlas (ECMWF-AIFS, NOAA GFS, DWD ICON): cloud cover calibrated on METAR observations, convective energy (CAPE) for storms, and tides for Sunnyvale.

Nearby cities

San Jose 13 km 22° San Francisco 56 km 18° Oakland 53 km 20° Fremont 20 km 24° Hayward 34 km 15° Sunnyvale East Channel Below Caribbean Drive 6 km 19° Santa Clara 7 km 13° Berkeley 60 km 19° Daly City 53 km 19° San Mateo 33 km 19° Chinatown 58 km 16° Rincon Point, Pier 22 1/2 56 km 19°

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