Current Weather Forecast for Portola Valley

CA 94028  |   4:02pm

Weather Conditions

52°

Feels Like 50°

Fair

40° 52°

0

UV Index

Good

Air Quality

NNW 6 mph

Wind

0 in

rain

Tonight

Sat 12/27

38°

Lowest Temperature

13%

Mainly clear. Low 38F. Winds NE at 5 to 10 mph.

Tomorrow

Sun 12/28

54°

Highest Temperature

6%

Mostly sunny. High 54F. Winds NNE at 5 to 10 mph.

Tomorrow night

Sun 12/28

37°

Lowest Temperature

13%

Clear skies. Low 37F. Winds light and variable.

Next 12 Hours Next 7 Days

Next 12 Hours Forecast in Portola Valley

Hourly Weather Forecast & Temperature

5PM

14%

50°

Feels Like 48°

Clear

N 5 mph

Wind

1022 mb

Pressure

84%

Humidity

0

UV Index

10mi

Visibility

17%

Cloud Cover

6PM

4%

48°

Feels Like 46°

Mostly Clear

N 5 mph

Wind

1023 mb

Pressure

88%

Humidity

0

UV Index

10mi

Visibility

20%

Cloud Cover

7PM

4%

46°

Feels Like 45°

Partly Cloudy

NNE 3 mph

Wind

1024 mb

Pressure

92%

Humidity

0

UV Index

9mi

Visibility

33%

Cloud Cover

8PM

3%

45°

Feels Like 45°

Mostly Clear

NNE 2 mph

Wind

1024 mb

Pressure

95%

Humidity

0

UV Index

8mi

Visibility

27%

Cloud Cover

9PM

3%

44°

Feels Like 44°

Clear

NE 1 mph

Wind

1024 mb

Pressure

95%

Humidity

0

UV Index

10mi

Visibility

8%

Cloud Cover

10PM

4%

44°

Feels Like 44°

Clear

NE 1 mph

Wind

1024 mb

Pressure

96%

Humidity

0

UV Index

9mi

Visibility

8%

Cloud Cover

11PM

13%

42°

Feels Like 42°

Clear

NE 1 mph

Wind

1024 mb

Pressure

95%

Humidity

0

UV Index

9mi

Visibility

7%

Cloud Cover

12AM

10%

41°

Feels Like 41°

Clear

NE 1 mph

Wind

1024 mb

Pressure

95%

Humidity

0

UV Index

8mi

Visibility

15%

Cloud Cover

1AM

8%

41°

Feels Like 41°

Mostly Clear

NE 0 mph

Wind

1025 mb

Pressure

95%

Humidity

0

UV Index

9mi

Visibility

23%

Cloud Cover

2AM

8%

40°

Feels Like 40°

Partly Cloudy

ENE 1 mph

Wind

1025 mb

Pressure

95%

Humidity

0

UV Index

9mi

Visibility

36%

Cloud Cover

3AM

7%

39°

Feels Like 39°

Partly Cloudy

ENE 1 mph

Wind

1025 mb

Pressure

94%

Humidity

0

UV Index

9mi

Visibility

34%

Cloud Cover

4AM

11%

39°

Feels Like 39°

Partly Cloudy

ENE 1 mph

Wind

1025 mb

Pressure

92%

Humidity

0

UV Index

10mi

Visibility

49%

Cloud Cover

Sat 12/27

Sat

13%

40°

52°

A few clouds. Lows overnight in the upper 30s.

38°

Feels Like

NE 7 mph

Wind

92%

Humidity

0

UV Index

7:22 AM

Sunrise

4:58 PM

Sunset

Sun 12/28

Sun

6%

38°

54°

Mainly sunny. Highs in the mid 50s and lows in the upper 30s.

39°

Feels Like

NNE 6 mph

Wind

68%

Humidity

2

UV Index

7:22 AM

Sunrise

4:59 PM

Sunset

Mon 12/29

Mon

3%

37°

58°

Sunshine. Highs in the upper 50s and lows in the upper 30s.

38°

Feels Like

NE 5 mph

Wind

65%

Humidity

2

UV Index

7:22 AM

Sunrise

4:59 PM

Sunset

Tue 12/30

Tue

3%

39°

60°

Mostly sunny. Highs in the low 60s and lows in the low 40s.

41°

Feels Like

ENE 4 mph

Wind

61%

Humidity

2

UV Index

7:23 AM

Sunrise

5:00 PM

Sunset

Wed 12/31

Wed

32%

42°

58°

Chance of afternoon showers. Highs in the upper 50s and lows in the mid 40s.

43°

Feels Like

E 4 mph

Wind

72%

Humidity

2

UV Index

7:23 AM

Sunrise

5:01 PM

Sunset

Thu 1/1

Thu

51%

45°

57°

Showers possible. Highs in the upper 50s and lows in the upper 40s.

46°

Feels Like

SE 5 mph

Wind

86%

Humidity

1

UV Index

7:23 AM

Sunrise

5:02 PM

Sunset

Fri 1/2

Fri

68%

49°

58°

Showers possible. Highs in the upper 50s and lows in the upper 40s.

48°

Feels Like

S 9 mph

Wind

87%

Humidity

2

UV Index

7:23 AM

Sunrise

5:03 PM

Sunset

Sat 1/3

Sat

53%

48°

55°

Showers. Highs in the mid 50s and lows in the upper 40s.

47°

Feels Like

S 7 mph

Wind

84%

Humidity

1

UV Index

7:23 AM

Sunrise

5:03 PM

Sunset

Need to see beyond 12 Hours?

Find more forecast on the FREE FOX WEATHER App

GO TO APP STORE

Latest Stories from California

State of Emergency declared across Los Angeles metro amid 'High Risk' flooding, heavy rain

Widespread Flash Flood Warnings were issued across the Los Angeles metro area and other parts of Southern California Wednesday, as a powerful Christmas Eve storm triggered mudslides and emergency evacuations across the region

Year in review: Shocking satellite images of extreme weather seen from space

As 2025 comes to an end, it’s time to look back at a year that was defined by nature’s extremes. Here are five of the most significant weather events of 2025 that satellites were able to capture in action.

NWS: 'Dangerous scenario is unfolding,' Los Angeles braces for rare 'High Risk' flood threat through Christmas

The Los Angeles area is forecast to see excessive rainfall with a high risk of flooding into Christmas Eve.

Christmas weather outlook: Millions to see 'nice' forecast with a touch of 'naughty' across nation

Naughty or nice, how will the weather be in your region on Christmas Day?

Load More Stories