Sunnyvale (CA)
Today
Today weather in Sunnyvale
Monday, September 15th, 2025
34°
Sunny
Today, Sunnyvale is set to face a notably hot day, with temperatures spiking up to 34 °F and offering slight relief at 13 °F by night. Gentle breezes are expected across Sunnyvale Today, with speeds reaching around 10 km/h.
34° / 13°
Temp
0%
Rain
10 km/h
Wind
65%
Humidity
Sunnyvale Weather Pages
Sunnyvale hourly forecast for today
Scroll right to see more weather forecasts for Sunnyvale today
| 12:00 AM | 01:00 AM | 02:00 AM | 03:00 AM | 04:00 AM | 05:00 AM | 06:00 AM | 06:50 AM | 07:00 AM | 08:00 AM | 09:00 AM | 10:00 AM | 11:00 AM | 12:00 PM | 01:00 PM | 02:00 PM | 03:00 PM | 04:00 PM | 05:00 PM | 06:00 PM | 07:00 PM | 07:15 PM | 08:00 PM | 09:00 PM | 10:00 PM | 11:00 PM | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| weather |  | |  | | | |  |  |  | | | | | | | | | | | | |  |  | | | | Next |
| temperatures | 15.1° | 14.7° | 14.3° | 14° | 13.7° | 13.5° | 13.3° | Sunrise | 13.7° | 15.7° | 18.5° | 22.6° | 26.4° | 24.3° | 31.4° | 32.9° | 33.7° | 33.3° | 31.9° | 28.9° | 26° | Sunset | 23.9° | 22.6° | 21.7° | 20.8° | |
| feels like | 15.6° | 15.3° | 14.9° | 14.7° | 14.1° | 13.7° | 13.4° | 13.7° | 15.7° | 18.5° | 23.7° | 27.4° | 30.3° | 32.4° | 33.8° | 34.4° | 33.9° | 32.4° | 29.4° | 27.1° | 25.8° | 25.1° | 21.7° | 20.8° | |||
| wind speed | 2 km/h | 3 km/h | 2 km/h | 3 km/h | 2 km/h | 1 km/h | 1 km/h | 1 km/h | 1 km/h | 1 km/h | 2 km/h | 3 km/h | 4 km/h | 4 km/h | 5 km/h | 7 km/h | 9 km/h | 10 km/h | 10 km/h | 8 km/h | 5 km/h | 2 km/h | 1 km/h | 1 km/h | |||
| wind degree | 251° | 264° | 216° | 188° | 206° | 230° | 307° | 14° | 78° | 82° | 11° | 347° | 337° | 328° | 320° | 307° | 301° | 305° | 314° | 313° | 305° | 303° | 292° | 291° | |||
| wind direction | WSW | W | SW | S | SSW | SW | NW | NNE | ENE | E | NNE | NNW | NNW | NNW | NW | NW | WNW | NW | NW | NW | NW | WNW | WNW | WNW | |||
| Precipitation | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | |||
| chance for rain | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | |||
| chance for snow | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | |||
| humidity | 92% | 91% | 91% | 93% | 93% | 94% | 94% | 95% | 90% | 79% | 63% | 52% | 61% | 40% | 36% | 33% | 33% | 35% | 40% | 47% | 54% | 58% | 60% | 62% | |||
| dew point | 13.4° | 13.3° | 12.9° | 12.7° | 12.6° | 12.5° | 12.4° | 12.3° | 12.4° | 14° | 14° | 16° | 17.1° | 17° | 16.5° | 15.8° | 15.7° | 15.4° | 15.4° | 13.8° | 13.1° | 13.2° | 13.2° | 13.2° | |||
| visibility | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 16 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | |||
| cloud cover | 79% | 69% | 30% | 38% | 49% | 39% | 32% | 32% | 22% | 10% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | |||
| UV | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.4 | 1.3 | 3.1 | 5.2 | 6.9 | 7.7 | 7.2 | 5.7 | 3.6 | 1.7 | 0.5 | 0 | 0 | 0 | 0 | 0 |
How accurate is our weather forecast for Sunnyvale?
See how others rate our Sunnyvale forecast accuracy and help others by voting.
View of Sunnyvale today
Explore Sunnyvale live webcam feed to see how the weather is shaping up today in Sunnyvale. See what people are wearing, check out the sky, and get a sense of the atmosphere before you step outside.
Stay informed and make the most of your day with our live weather updates from Sunnyvale today.
Weather in Sunnyvale today
The weather in Sunnyvale today is expected to be much warmer than usual, with a forecast temperature of 34 °F, compared to an average of 25 °F for September 15th in recent years.
temperatures
34 °F
rain
0 mm
wind
10 km/h
UV
Low
Sunnyvale daylight overview ☀️
Today in Sunnyvale, The sun rises at 06:50 and sets at 19:15, giving a total daylight duration of 12 hours and 25 minutes.
Quick links
More Sunnyvale weather pages
What to wear today in Sunnyvale? clothing recommendations
Stay comfortably stylish - your tailored guide for today's Sunnyvale forecast.
Short-sleeve shirt
Shorts
Lightweight pants
Breathable footwear
Sunglasses
Wide brimmed hat
Sunscreen
Flip flop
The weather today in Sunnyvale - FAQ
What is the maximum temperature for today in Sunnyvale?
The maximum temperature for today in Sunnyvale is expected to be 34° degrees. Please dress accordingly to stay comfortable throughout the day.
Will it rain today in Sunnyvale? 🌧️
No, there is no significant chance of rain in Sunnyvale today. It should be a dry day.
What will be the wind speed today in Sunnyvale? 🌀
The wind in Sunnyvale is expected to blow at 10 km/h. This could affect outdoor activities, so plan accordingly.
How should I dress for the weather in Sunnyvale today?
Given the forecast of 34 °F with a 0% chance of rain, we advise checking our "What to wear today" section for recommendations. There, you will find tailored advice to help you stay comfortable and prepared for the weather conditions in Sunnyvale today.
What is the sunrise and sunset time for Sunnyvale today?
The sun is expected to rise at 06:50 and set at 19:15 in Sunnyvale.
How accurate is the weather forecast Sunnyvale today? ✅
Sunnyvale weather forecast for today is based on the most current and sophisticated meteorological models available. While we strive for accuracy, weather conditions can change unexpectedly, so we recommend checking for updates regularly.
You are here
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.
Related locations
Select a location for accurate weather forecast
More Locations Found a mistake?
We appreciate your attention to details. Tell us here.