Fast Forecast

WEATHER FOR BUSINESS

We supply weather data to businesses

Free Weather Plugin

Add this forecast to your website



Local Weather

Sunnyvale Weather Forecast

Temperature, wind, rain and more for Sunnyvale

California, United States Of America

DayLocal TimeDirSpeed/
Gust		Temp/
Feels Like		HumidityPressureCloud AmountPrecip AmountWeather
Wed 17
Dec		04:00

SSE
SSE

 3 / 6 mph 55 / 55°F 94% 1022 mb
Low level cloud: 73%
Mid level cloud: 14%
High level cloud: 0%
Most Significant Cloud Type: low
77%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

S
S

 4 / 9 mph 55 / 55°F 95% 1022 mb
Low level cloud: 91%
Mid level cloud: 75%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

S
S

 1 / 2 mph 58 / 58°F 93% 1024 mb
Low level cloud: 98%
Mid level cloud: 92%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

NW
NW

 1 / 2 mph 68 / 67°F 75% 1021 mb
Low level cloud: 23%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
23%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

NNW
NNW

 5 / 6 mph 66 / 65°F 79% 1021 mb
Low level cloud: 25%
Mid level cloud: 4%
High level cloud: 0%
Most Significant Cloud Type: low
26%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

NNW
NNW

 3 / 3 mph 58 / 59°F 92% 1021 mb
Low level cloud: 45%
Mid level cloud: 5%
High level cloud: 0%
Most Significant Cloud Type: low
46%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

N
N

 2 / 2 mph 56 / 56°F 86% 1021 mb
Low level cloud: 3%
Mid level cloud: 5%
High level cloud: 2%
Most Significant Cloud Type: low
5%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Thu 18
Dec		01:00

NNW
NNW

 2 / 4 mph 53 / 54°F 85% 1021 mb
Low level cloud: 0%
Mid level cloud: 6%
High level cloud: 100%
Most Significant Cloud Type: medium
9%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

N
N

 2 / 4 mph 50 / 51°F 83% 1021 mb
Low level cloud: 0%
Mid level cloud: 9%
High level cloud: 91%
Most Significant Cloud Type: medium
12%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

SE
SE

 2 / 4 mph 49 / 49°F 78% 1021 mb
Low level cloud: 0%
Mid level cloud: 5%
High level cloud: 100%
Most Significant Cloud Type: medium
9%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

N
N

 2 / 2 mph 61 / 60°F 52% 1022 mb
Low level cloud: 0%
Mid level cloud: 7%
High level cloud: 6%
Most Significant Cloud Type: medium
7%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

NNW
NNW

 3 / 4 mph 67 / 66°F 38% 1020 mb
Low level cloud: 0%
Mid level cloud: 4%
High level cloud: 0%
Most Significant Cloud Type: medium
3%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

NNW
NNW

 4 / 4 mph 67 / 66°F 52% 1019 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

NW
NW

 2 / 2 mph 62 / 62°F 68% 1019 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

NW
NW

 1 / 2 mph 54 / 54°F 73% 1019 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 16%
Most Significant Cloud Type: high
15%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
The 7 day weather forecast summary for Sunnyvale:

Taking a look at Sunnyvale over the coming week and the average daytime maximum temperature will be around 17°C, with a high for the week of 21°C expected on the afternoon of Saturday 20th. The average minimum temperature will be 12°C, dipping to its lowest on the morning of Thursday 18th at 9°C. The week will have mixed overhead conditions with some days dry and some seeing a significant amount of rain. The current forecast indicates Wednesday 18th will have the most precipitation with an accumulation of around 66.0mm. On the whole winds are likely to be light.

The day label given represents the local day relative to the local time for the location you are looking at.
(More Info)

Day

This time is corrected for local time zones and where possible for daylight saving times.
(More Info)

Local Time

The wind direction we use on this page is the direction the wind is coming from, given in a 16 point compass format.
(More Info)

Dir

This refers to the sustained average wind speed, normally averaged over a period of 10 minutes for up to 3 hrs.
(More Info)

Speed/
Gust

Temperature from our forecast perspective are fairly well defined, they are what we would expect to measure in a standard meteorological screen (in other words, shaded and well ventilated) at 2 metres above ground level.
(More Info)

Temp/
Feels Like

The relative humidity is the percent of saturation humidity, generally calculated in relation to saturated vapour density.
(More Info)

Humidity

The value given is a total predicted for the previous 3 hrs and includes the time of the forecast being looked at.
(More Info)

Precip Amount

The total amount of cloud as a percentage is derived from looking at cloud cover throughout the atmosphere and estimating how these combine when looked at from the ground.
(More Info)

Cloud Amount

Here we try to capture the feel of the weather as an image – it will never be perfect but is useful for a quick overview.
(More Info)

Weather

When we measure for forecast air pressure we are normally doing this relative to a certain height and most commonly relative to Mean Sea Level.
(More Info)

Pressure