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As of 15:03 PDT

Weather in Portola Valley, CA

83°Current weather

Portola Valley, Sunday, 9 August, 15:03

Clear. Feels like 84°. High 84°, low 58°.

Pressure29.80 inHg
Wind7 mph W
Humidity53%
Visibility6.2 mi
Dew point64°

10-day forecast for Portola Valley, CA: 53° to 84°, with precipitation expected on 0 days. The table below breaks each day into morning, afternoon, evening and overnight.

84°
Best day: Sunday, August 9
75°
Worst day: Thursday, August 13

Tap any day below to see morning, afternoon, evening and overnight.

Mon, 1081° / 58°0Partly cloudy
MorningOvercast64°feels 63°
AfternoonPartly cloudy81°feels 80°
EveningClear68°feels 68°
OvernightClear60°feels 59°
81 °Partly cloudy

Portola Valley, Monday, 10 August

Partly cloudy. High 81°, low 58°.

Pressure29.88 inHg
Wind5.7 mph W
Humidity37%
Visibility6.2 mi
Dew point52°
Tue, 1182° / 54°0Clear
MorningMostly clear61°feels 60°
AfternoonClear82°feels 81°
EveningOvercast60°feels 59°
OvernightClear57°feels 56°
82 °Clear

Portola Valley, Tuesday, 11 August

Clear. High 82°, low 54°.

Pressure29.94 inHg
Wind5.2 mph W
Humidity36%
Visibility6.2 mi
Dew point51°
Wed, 1278° / 55°0Clear
MorningOvercast60°feels 59°
AfternoonClear78°feels 77°
EveningClear57°feels 57°
OvernightOvercast55°feels 54°
78 °Clear

Portola Valley, Wednesday, 12 August

Clear. High 78°, low 55°.

Pressure29.85 inHg
Wind6.4 mph W
Humidity46%
Visibility6.2 mi
Dew point54°
Thu, 1375° / 54°0Clear
MorningOvercast59°feels 58°
AfternoonClear75°feels 75°
EveningClear58°feels 58°
OvernightOvercast55°feels 54°
75 °Clear

Portola Valley, Thursday, 13 August

Clear. High 75°, low 54°.

Pressure29.85 inHg
Wind4.5 mph SW
Humidity50%
Visibility6.2 mi
Dew point53°
Fri, 1477° / 54°0Clear
MorningClear64°feels 64°
AfternoonClear74°feels 73°
EveningClear58°feels 58°
OvernightClear55°feels 55°
77 °Clear

Portola Valley, Friday, 14 August

Clear. High 77°, low 54°.

Pressure29.91 inHg
Wind8.2 mph W
Humidity42%
Visibility—
Dew point50°
Sat, 1577° / 53°0Overcast
MorningOvercast64°feels 64°
AfternoonOvercast73°feels 73°
EveningOvercast57°feels 56°
OvernightOvercast55°feels 55°
77 °Overcast

Portola Valley, Saturday, 15 August

Overcast. High 77°, low 53°.

Pressure30.03 inHg
Wind7.6 mph SW
Humidity45%
Visibility—
Dew point51°
Sun, 1677° / 53°0Clear
MorningClear64°feels 64°
AfternoonClear73°feels 73°
EveningClear57°feels 56°
OvernightClear56°feels 55°
77 °Clear

Portola Valley, Sunday, 16 August

Clear. High 77°, low 53°.

Pressure30.06 inHg
Wind6.8 mph W
Humidity44%
Visibility—
Dew point51°
Mon, 1779° / 53°0Clear
MorningClear66°feels 65°
AfternoonClear75°feels 75°
EveningClear57°feels 56°
OvernightClear56°feels 55°
79 °Clear

Portola Valley, Monday, 17 August

Clear. High 79°, low 53°.

Pressure30.00 inHg
Wind6.2 mph W
Humidity36%
Visibility—
Dew point47°
Tue, 1882° / 53°0Clear
MorningClear66°feels 65°
AfternoonClear78°feels 77°
EveningClear60°feels 59°
OvernightClear58°feels 58°
82 °Clear

Portola Valley, Tuesday, 18 August

Clear. High 82°, low 53°.

Pressure29.97 inHg
Wind7.4 mph W
Humidity28%
Visibility—
Dew point43°

About this forecast

How reliable is a 10-day forecast?

The first 3–5 days are the most reliable, typically within 2–4°. From day six to ten the models show the trend: the direction of change is right more often than the exact numbers.

What does the time-of-day table show?

Temperature in Portola Valley, CA around 8am, 2pm, 8pm and 2am each day — handy for planning a walk, a drive or work outdoors.

How is the best day chosen?

We weigh the daytime high against precipitation: a warm, dry day scores highest.