NimbocastSunnyvale, CA Weather
Live radar, hourly and 7-day forecast, and National Weather Service alerts for Sunnyvale, Santa Clara County, California.
Updated Jul 29, 2026, 2:05 PM local time · Radar refreshes every 5 minutes
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Sunnyvale
75°F
Wind 9 mph
Humidity 59%
Cloud cover 7%
UV index 8
Alerts 0
Active alerts
✓
No active National Weather Service alerts for Sunnyvale, CA.
Sunnyvale weather radar
Light
Heavy
Next 24 hours
Now
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75°F
3 PM
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76°F
4 PM
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78°F
5 PM
☀️
79°F
6 PM
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77°F
7 PM
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72°F
8 PM
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68°F
9 PM
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65°F
10 PM
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64°F
11 PM
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62°F
12 AM
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61°F
1 AM
☀️
59°F
2 AM
☀️
59°F
3 AM
☀️
58°F
4 AM
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57°F
5 AM
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56°F
6 AM
☀️
56°F
7 AM
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56°F
8 AM
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62°F
9 AM
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67°F
10 AM
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72°F
11 AM
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75°F
12 PM
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78°F
1 PM
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78°F
7-day forecast
Today
Jul 29
⛅
79°F
59°F
Thu
Jul 30
☀️
81°F
56°F
Fri
Jul 31
☀️
95°F
55°F
Sat
Aug 1
☁️
95°F
64°F
Sun
Aug 2
☀️
97°F
65°F
Mon
Aug 3
☀️
101°F
65°F
Tue
Aug 4
☀️
106°F
66°F
Weather near Sunnyvale
3 mi
Mountain View, CA3 mi
Cupertino, CA4 mi
Los Altos, CA5 mi
Santa Clara, CA7 mi
Campbell, CA7 mi
Saratoga, CA8 mi
San Jose, CA8 mi
Milpitas, CA
Alerts are relayed from the National Weather Service and may lag
the official source. In a life-threatening situation always follow
weather.gov and local emergency
broadcasts.