Portola Valley Weather Forecast 15 Days, Weather in Portola Valley Today
Current weather conditions and 15 day weather forecast for Portola Valley, California, USA including weather daily high/low temperature, warnings, chance of precipitation, pressure, humidity/wind chill, rain risk, wind speed, cloud, pressure, and UV index.
Current weather conditions at Portola Valley
| 28 June 2026 Sunday 18.1 ° C / 64.6°F  Sunny |
Feels Like : 18.1 ° C / 64.6°F Humidity : % 56 Pressure : 1015 mb Wind Speed : 13.3 kmph / 8.3 miles from W  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
15 day weather forecast for Portola Valley, CA, USA
Weather Forecast for next 15 Days for Portola Valley including weather warnings, temperature, rain, wind speed, cloud, snow, wind speed and wind direction, pressure and UV index.Here is weather for the next 15 days in Portola Valley, California state, US. To see the daily forecast, scroll to the table below.
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 27 June 2026 Saturday | Sunny |
13.3 ° C (55.9°F) |
20.9 ° C (69.6°F) |
15.8 ° C (60.4°F) |
% 78 | 49% | 9.9 | Sunrise:05:50 AM Sunset: 08:33 PM |
Moonrise:07:29 PM Moonset: 03:47 AM Moon Phase ( Full Moon ) |
|
| 28 June 2026 Sunday | Sunny |
10.8 ° C (51.4°F) |
22.9 ° C (73.2°F) |
16 ° C (60.7°F) |
% 61 | 4% | 9.3 | Sunrise:05:50 AM Sunset: 08:33 PM |
Moonrise:08:22 PM Moonset: 04:36 AM Moon Phase ( Full Moon ) |
|
| 29 June 2026 Monday | Sunny |
10.4 ° C (50.8°F) |
23.2 ° C (73.8°F) |
15.7 ° C (60.3°F) |
% 71 | 8% | 8.3 | Sunrise:05:51 AM Sunset: 08:33 PM |
Moonrise:09:07 PM Moonset: 05:30 AM Moon Phase ( Full Moon ) |
|
| 30 June 2026 Tuesday | Sunny |
10.7 ° C (51.3°F) |
23.4 ° C (74.2°F) |
15.4 ° C (59.8°F) |
% 74 | 8% | 9.6 | Sunrise:05:51 AM Sunset: 08:33 PM |
Moonrise:09:45 PM Moonset: 06:29 AM Moon Phase ( Full Moon ) |
|
| 01 July 2026 Wednesday | Sunny |
10.7 ° C (51.3°F) |
21.5 ° C (70.7°F) |
15 ° C (59°F) |
% 75 | 17% | 9.3 | Sunrise:05:51 AM Sunset: 08:33 PM |
Moonrise:10:17 PM Moonset: 07:30 AM Moon Phase ( Waning Gibbous ) |
|
| 02 July 2026 Thursday |  Patchy rain nearby |
11.2 ° C (52.1°F) |
17.5 ° C (63.4°F) |
14.3 ° C (57.7°F) |
% 79 | 29% | 5 | Sunrise:05:52 AM Sunset: 08:33 PM |
Moonrise:10:45 PM Moonset: 08:30 AM Moon Phase ( Waning Gibbous ) |
|
| 03 July 2026 Friday | Sunny |
10.9 ° C (51.6°F) |
20.5 ° C (68.8°F) |
15.4 ° C (59.7°F) |
% 74 | 9% | 6 | Sunrise:05:52 AM Sunset: 08:33 PM |
Moonrise:11:09 PM Moonset: 09:30 AM Moon Phase ( Waning Gibbous ) |
|
| 04 July 2026 Saturday | Sunny |
10.4 ° C (50.6°F) |
24.9 ° C (76.9°F) |
16.9 ° C (62.4°F) |
% 69 | 5% | 6 | Sunrise:05:53 AM Sunset: 08:33 PM |
Moonrise:11:32 PM Moonset: 10:28 AM Moon Phase ( Waning Gibbous ) |
|
| 05 July 2026 Sunday | Sunny |
11.5 ° C (52.7°F) |
27.6 ° C (81.7°F) |
18.8 ° C (65.9°F) |
% 60 | 3% | 7 | Sunrise:05:53 AM Sunset: 08:33 PM |
Moonrise:11:53 PM Moonset: 11:27 AM Moon Phase ( Last Quarter ) |
|
| 06 July 2026 Monday | Sunny |
11.3 ° C (52.3°F) |
24.4 ° C (76°F) |
17 ° C (62.7°F) |
% 68 | 6% | 6 | Sunrise:05:54 AM Sunset: 08:32 PM |
Moonrise:Does not rise today Moonset: 12:26 PM Moon Phase ( Last Quarter ) |
|
| 07 July 2026 Tuesday | Sunny |
11.8 ° C (53.2°F) |
27 ° C (80.6°F) |
17.9 ° C (64.2°F) |
% 67 | 5% | 7 | Sunrise:05:55 AM Sunset: 08:32 PM |
Moonrise:12:16 AM Moonset: 01:27 PM Moon Phase ( Last Quarter ) |
|
| 08 July 2026 Wednesday | Sunny |
11.8 ° C (53.3°F) |
28 ° C (82.4°F) |
18.8 ° C (65.8°F) |
% 61 | 3% | 7 | Sunrise:05:55 AM Sunset: 08:32 PM |
Moonrise:12:40 AM Moonset: 02:31 PM Moon Phase ( Waning Crescent ) |
|
| 09 July 2026 Thursday | Sunny |
11.2 ° C (52.2°F) |
24.7 ° C (76.4°F) |
16.7 ° C (62°F) |
% 71 | 6% | 6 | Sunrise:05:56 AM Sunset: 08:32 PM |
Moonrise:01:09 AM Moonset: 03:40 PM Moon Phase ( Waning Crescent ) |
|
| 10 July 2026 Friday | Sunny |
10.9 ° C (51.7°F) |
25.6 ° C (78°F) |
16.7 ° C (62°F) |
% 71 | 6% | 7 | Sunrise:05:56 AM Sunset: 08:31 PM |
Moonrise:01:43 AM Moonset: 04:52 PM Moon Phase ( Waning Crescent ) |
|
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