Weather Tomorrow in Santa Clara, CA
Heat AdvisoryUntil Sep 9, 5:00 AM
Heat Advisory issued September 8 at 1:15PM PDT until September 10 at 10:00PM PDT by NWS San Francisco CA
Hydration is a critical piece to surviving the heat. Drink water, and if possible, take water to those who are vulnerable. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to the early morning or evening. Take action when you experience symptoms of heat exhaustion and/or heat stroke. Beat the heat and check the backseat! Do not leave young children or pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes.
Wednesday, September 9, 2026
Precip chance
2%
Wind
1-12 mph
Humidity
36%
Feels like
94–72°F
Data source: National Weather Service (NOAA) · Updated just now
Tomorrow by Hour
| Time | Temp | Condition | Rain % | Wind | ||
|---|---|---|---|---|---|---|
| 7 AM☽ | 71°F | Partly Cloudy | 1% | 2 mph W | ||
| 8 AM☽ | 70°F | Mostly Cloudy | 1% | 1 mph N | ||
| 9 AM☽ | 70°F | Partly Cloudy | 1% | 1 mph SE | ||
| 10 AM☽ | 70°F | Mostly Cloudy | 1% | 1 mph SSE | ||
| 11 AM☽ | 70°F | Mostly Cloudy | 1% | 1 mph SE | ||
| 12 PM☽ | 70°F | Mostly Cloudy | 1% | 1 mph NW | ||
| 1 PM | 70°F | Mostly Sunny | 1% | 2 mph W | ||
| 2 PM | 70°F | Mostly Sunny | 1% | 1 mph NNE | ||
| 3 PM | 72°F | Mostly Sunny | 1% | 2 mph NW | ||
| 4 PM | 76°F | Mostly Sunny | 1% | 1 mph NNW | ||
| 5 PM | 81°F | Mostly Sunny | 1% | 1 mph NNW | ||
| 6 PM | 86°F | Mostly Sunny | 1% | 2 mph N | ||
| 7 PM | 91°F | Sunny | 1% | 2 mph NNW | ||
| 8 PM | 94°F | Sunny | 1% | 3 mph NNW | ||
| 9 PM | 95°F | Sunny | 1% | 6 mph NNW | ||
| 10 PM | 96°F | Sunny | 0% | 8 mph NNW | ||
| 11 PM | 95°F | Sunny | 2% | 10 mph NNW | ||
| 12 AM | 94°F | Sunny | 0% | 12 mph NNW | ||
| 1 AM☽ | 92°F | Mostly Clear | 0% | 10 mph NNW | ||
| 2 AM☽ | 87°F | Mostly Clear | 0% | 7 mph NW | ||
| 3 AM☽ | 83°F | Partly Cloudy | 0% | 5 mph NW | ||
| 4 AM☽ | 81°F | Partly Cloudy | 0% | 2 mph NW | ||
| 5 AM☽ | 79°F | Partly Cloudy | 0% | 2 mph NW | ||
| 6 AM☽ | 78°F | Partly Cloudy | 0% | 1 mph SSW | ||
Precipitation Timeline
What to Wear Tomorrow
Extreme heat — stay cool and protected
Clothing
- • Lightest possible clothing
- • Wide-brim hat
- • UV-protective shirt if outdoors
Footwear
Breathable sandals
Accessories
- • Sunglasses
- • Sunscreen
Conditions
High: 96°F
Low: 70°F
Wind: 1-12 mph
Rain: 2%
Big temperature swing (70°F to 96°F) — dress in removable layers.
Best Time to Be Outside Tomorrow
Excellent conditions for outdoor activities (dry, comfortable temp, light wind, daylight)
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