Sunnyvale (CA)
10 day weather forecast for Sunnyvale
Sunday, October 25th, 2026, at 07:05 PM
Today
25° 11°
Tomorrow
21° 9°
Tuesday
21° 8°
Wednesday
20° 7°
Thursday
20° 9°
Friday
19° 7°
Saturday
17° 8°
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Sunnyvale Weather Pages
Sunnyvale weather forecast
The weather forecast for Sunnyvale over the next 5 days indicates comfortable conditions with temperatures ranging from 20 °C to 25 °C, accompanied by a gentle breeze.
Sunnyvale 14 days weather forecast
This weeks weather in Sunnyvale. Click on a date for detailed forecasts
Sun. 25
25°
11°
0 mm
Mon. 26
21°
9°
0 mm
Tue. 27
21°
8°
0 mm
Wed. 28
20°
7°
0 mm
Thu. 29
20°
9°
0 mm
Fri. 30
19°
7°
0 mm
Sat. 31
17°
8°
0 mm
Sun. 1
15°
10°
4.1 mm
Mon. 2
18°
7°
0 mm
Tue. 3
20°
11°
0 mm
Wed. 4
18°
9°
0 mm
Thu. 5
18°
11°
11.9 mm
Fri. 6
18°
14°
6.6 mm
Sat. 7
16°
12°
17.2 mm
Further Ahead
You can click on date
Access Sunnyvale weather forecasts with a simple click. Select any date for comprehensive insights on temperature, rainfall, and wind conditions.
Sunnyvale long range weather forecast
30 day weather forecast for Sunnyvale
Important Notice
Our Sunnyvale long range weather forecast is based on historical data analysis rather than real-time forecasting models. While this provides a general outlook, weather conditions can change. We recommend checking the forecast closer to your planned date for the most current information.
Rain Forecast for the Next 14 Days in Sunnyvale
A total of 39.8 mm is expected over 4 rainy days. The wettest day is Saturday 7, with 17.2 mm. Click a day for details.
Sunnyvale Wind Speed Forecast Chart
The windiest day is Friday 6, with winds up to 16.2 km/h from the S. The calmest day is Monday 2. The average daily maximum is 10.2 km/h.
Sun. 25
6.8 km/h
W · Light breeze
Mon. 26
13.7 km/h
NW · Gentle breeze
Tue. 27
13.7 km/h
NW · Gentle breeze
Wed. 28
10.1 km/h
NW · Light breeze
Thu. 29
8.6 km/h
W · Light breeze
Fri. 30
12.6 km/h
W · Gentle breeze
Sat. 31
6.5 km/h
NW · Light breeze
Sun. 1
8.6 km/h
NW · Light breeze
Mon. 2
5.4 km/h
Calm
Tue. 3
5.4 km/h
Calm
Wed. 4
6.1 km/h
S · Light breeze
Thu. 5
15.5 km/h
S · Gentle breeze
Fri. 6
16.2 km/h
S · Gentle breeze
Sat. 7
13 km/h
S · Gentle breeze
CalmLight breezeGentle breezeModerate breezeFresh breeze
Frequently asked questions about the weather in Sunnyvale
How warm is it in Sunnyvale over the next 14 days?
Over the next two weeks, temperatures in Sunnyvale are expected to range from around 7 °C on the coldest nights up to about 25 °C on the warmest days. Use this range to plan what to pack and wear.
Will it rain in Sunnyvale in the next two weeks?
Yes - rain is expected on about 4 of the next 14 days in Sunnyvale, with roughly 39.8 mm of rainfall in total. It is worth keeping an umbrella or raincoat handy.
How windy is it in Sunnyvale?
Maximum wind speeds in Sunnyvale are forecast to reach about 16.2 km/h at their peak over the next 14 days.
When is the best time to visit Sunnyvale?
For a month-by-month look at temperatures and rainfall, see our best time to visit Sunnyvale guide.
How accurate is the 14-day forecast for Sunnyvale?
Our Sunnyvale forecast uses leading meteorological models and is most reliable over the next few days. Long-range days beyond a week show general trends and can change, so check back closer to the date for updates.
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Where is Sunnyvale?Get accurate weather forecasts for Sunnyvale, located at latitude 37.369 and longitude -122.036. Stay updated with localized weather information tailored for Sunnyvale.
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