Sunnyvale, CA Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Sunnyvale, CA in one place.
Mostly sunny. High near 70, with temperatures falling to around 64 in the afternoon. South wind 3 to 9 mph.
Local Weather Overview
This forecast page for Sunnyvale, CA is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Nov 11, 2026 1:51 PM PST.
The active forecast window currently covers Nov 12 to Nov 17, 2026 for Sunnyvale, CA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Nov 12 to Nov 17, 2026
- Latest sync
- Nov 11, 2026 1:51 PM PST
- Forecast office
- MTR
- Source
- NOAA / NWS
Daily Outlook
This Week in Sunnyvale
Thursday looks like the warmest upcoming period in Sunnyvale at 70 degrees F.
Monday Night is the coolest period ahead with temperatures near 41 degrees F.
The strongest winds are forecast for Friday at about 10 to 20 mph SSW.
Precipitation is mentioned in 9 upcoming forecast periods.
Forecast Details
- Last updated
- Nov 11, 2026 1:51 PM PST
- Coverage
- 7 days
- Time zone
- America/Los_Angeles
- Forecast office
- MTR
- Radar station
- KMUX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A chance of rain after 3am. Partly cloudy, with a low around 55. South wind 8 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.
Rain. Mostly cloudy, with a high near 59. South southwest wind 10 to 20 mph, with gusts as high as 36 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Rain. Mostly cloudy, with a low around 47. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
A slight chance of rain before 4pm. Mostly sunny, with a high near 60.
A slight chance of rain after 4am. Mostly cloudy, with a low around 48.
Rain. Mostly cloudy, with a high near 59.
Rain. Mostly cloudy, with a low around 48.
A chance of rain before 4pm. Partly sunny, with a high near 55.
Partly cloudy, with a low around 41.
Mostly sunny, with a high near 55.
Rain likely after 10pm. Mostly cloudy, with a low around 43.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Thursday
Nov 12
|
Mostly Sunny
|
70°F |
3 to 9 mph
S
|
|
Thursday Night
Nov 12
|
Partly Cloudy then Chance Light Rain
|
55°F |
8 to 15 mph
S
|
|
Friday
Nov 13
|
Rain
|
59°F |
10 to 20 mph
SSW
|
|
Friday Night
Nov 13
|
Light Rain
|
47°F |
10 mph
SW
|
|
Saturday
Nov 14
|
Slight Chance Light Rain
|
60°F |
5 to 9 mph
SSW
|
|
Saturday Night
Nov 14
|
Mostly Cloudy then Slight Chance Light Rain
|
48°F |
5 mph
S
|
|
Sunday
Nov 15
|
Light Rain
|
59°F |
5 to 8 mph
S
|
|
Sunday Night
Nov 15
|
Light Rain
|
48°F |
8 mph
SW
|
|
Monday
Nov 16
|
Chance Light Rain
|
55°F |
8 mph
W
|
|
Monday Night
Nov 16
|
Partly Cloudy
|
41°F |
3 to 7 mph
W
|
|
Tuesday
Nov 17
|
Mostly Sunny
|
55°F |
5 mph
W
|
|
Tuesday Night
Nov 17
|
Light Rain Likely
|
43°F |
5 to 13 mph
SSW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Sunnyvale.
