 |
 Portola Valley Weather Forecast Summary |
|
|
| |
Today
Jul 18th
|
Sunday
Jul 19th
|
Monday
Jul 20th
|
Tuesday
Jul 21st
|
Wednesday
Jul 22nd
|
 |
|
|
|
 |
Mostly Sunny |
Mostly Sunny |
Mostly Sunny |
Mostly Sunny |
Sunny |
84°F
|
78°F
60°F |
82°F
62°F |
90°F
65°F |
90°F
70°F |
|
| |
|
| Portola Valley Detailed Weather Forecast |
|
|
| |
| Saturday, July 18th, 2026 |
 |
Overnight |
Temperature: 58°F |
| Clear with cloudy periods. |
|
|
|
|
Morning |
Temperature: 68°F |
| Sunny. |
|
|
|
|
Afternoon |
Temperature: 82°F |
| Sunny. Windy at times. |
|
|
|
|
Evening |
Temperature: 66°F |
| Mostly clear. |
|
|
|
| Sunday, July 19th, 2026 |
|
Overnight |
Temperature: 61°F |
| Clear with cloudy periods. |
|
|
|
|
Morning |
Temperature: 70°F |
| Mostly sunny. |
|
|
|
 |
Afternoon |
Temperature: 75°F |
| A mix of cloud and sun. |
|
|
|
|
Evening |
Temperature: 67°F |
| Clear with cloudy periods. |
|
|
|
| Monday, July 20th, 2026 |
 |
Overnight |
Temperature: 63°F |
| Clear. |
|
|
|
 |
Morning |
Temperature: 67°F |
| A mix of sun and cloud. |
|
|
|
|
Afternoon |
Temperature: 81°F |
| Mostly sunny. Windy at times. |
|
|
|
|
Evening |
Temperature: 69°F |
| Mostly clear. |
|
|
|
| Tuesday, July 21st, 2026 |
|
Overnight |
Temperature: 65°F |
| Mostly clear. |
|
|
|
|
Morning |
Temperature: 74°F |
| Sunny with a slight chance of showers. |
|
|
|
|
Afternoon |
Temperature: 90°F |
| Mostly sunny. Windy at times. |
|
|
|
|
Evening |
Temperature: 77°F |
| Mostly clear. |
|
|
|
| Wednesday, July 22nd, 2026 |
|
Overnight |
Temperature: 72°F |
| Clear. |
|
|
|
|
Morning |
Temperature: 80°F |
| Sunny. |
|
|
|
|
Afternoon |
Temperature: 88°F |
| Sunny. Windy at times. |
|
|
|
|
Evening |
Temperature: 73°F |
| Clear. |
|
|
|
| Thursday, July 23rd, 2026 |
|
Overnight |
Temperature: 67°F |
| Clear. |
|
|
|
|
Morning |
Temperature: 73°F |
| Mostly sunny. |
|
|
|
|
Afternoon |
Temperature: 81°F |
| Sunny. Windy at times. |
|
|
|
|
Evening |
Temperature: 69°F |
| Clear. |
|
|
|
| Friday, July 24th, 2026 |
|
Overnight |
Temperature: 64°F |
| Clear. |
|
|
|
|
Morning |
Temperature: 70°F |
| Sunny. |
|
|
|
|
Afternoon |
Temperature: 80°F |
| Sunny. Windy at times. |
|
|
|
|
Evening |
Temperature: 67°F |
| Clear. |
|
|
|
| Saturday, July 25th, 2026 |
|
Overnight |
Temperature: 61°F |
| Clear. |
|
|
|
|
Morning |
Temperature: 71°F |
| Sunny. |
|
|
|
|
Afternoon |
Temperature: 82°F |
| Mostly sunny. Windy at times. |
|
|
|
|
Evening |
Temperature: 68°F |
| Clear. |
|
|
|
| Sunday, July 26th, 2026 |
|
Overnight |
Temperature: 62°F |
| Clear. |
|
|
|
|
Morning |
Temperature: 71°F |
| Sunny. |
|
|
|
|
Afternoon |
Temperature: 83°F |
| Sunny. Windy at times. |
|
|
|
|
Evening |
Temperature: 68°F |
| Clear. |
|
|
|
