Current Weather Forecast for Portola Valley

CA 94028  |   5:30pm

Weather Conditions

47°

Feels Like 46°

Clear

37° 55°

0

UV Index

Good

Air Quality

NW 4 mph

Wind

0 in

rain

Tonight

Sun 12/28

37°

Lowest Temperature

14%

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

Tomorrow

Mon 12/29

58°

Highest Temperature

12%

Mainly sunny. High 58F. Winds light and variable.

Tomorrow night

Mon 12/29

38°

Lowest Temperature

1%

Clear skies. Low 38F. Winds light and variable.

Next 12 Hours Next 7 Days

Next 12 Hours Forecast in Portola Valley

Hourly Weather Forecast & Temperature

6PM

2%

46°

Feels Like 45°

Clear

NNE 3 mph

Wind

1024 mb

Pressure

72%

Humidity

0

UV Index

10mi

Visibility

2%

Cloud Cover

7PM

2%

45°

Feels Like 44°

Clear

NE 3 mph

Wind

1024 mb

Pressure

74%

Humidity

0

UV Index

10mi

Visibility

2%

Cloud Cover

8PM

4%

43°

Feels Like 42°

Clear

NE 3 mph

Wind

1024 mb

Pressure

77%

Humidity

0

UV Index

10mi

Visibility

2%

Cloud Cover

9PM

4%

42°

Feels Like 42°

Clear

NE 3 mph

Wind

1024 mb

Pressure

82%

Humidity

0

UV Index

10mi

Visibility

2%

Cloud Cover

10PM

4%

42°

Feels Like 42°

Clear

NE 2 mph

Wind

1024 mb

Pressure

84%

Humidity

0

UV Index

10mi

Visibility

2%

Cloud Cover

11PM

2%

41°

Feels Like 41°

Clear

NE 2 mph

Wind

1024 mb

Pressure

87%

Humidity

0

UV Index

10mi

Visibility

3%

Cloud Cover

12AM

6%

40°

Feels Like 40°

Clear

NE 1 mph

Wind

1024 mb

Pressure

89%

Humidity

0

UV Index

10mi

Visibility

2%

Cloud Cover

1AM

13%

39°

Feels Like 39°

Clear

NE 2 mph

Wind

1025 mb

Pressure

89%

Humidity

0

UV Index

10mi

Visibility

4%

Cloud Cover

2AM

14%

39°

Feels Like 39°

Clear

NE 3 mph

Wind

1025 mb

Pressure

90%

Humidity

0

UV Index

10mi

Visibility

6%

Cloud Cover

3AM

14%

39°

Feels Like 39°

Clear

ENE 3 mph

Wind

1024 mb

Pressure

89%

Humidity

0

UV Index

10mi

Visibility

7%

Cloud Cover

4AM

14%

39°

Feels Like 39°

Clear

ENE 3 mph

Wind

1024 mb

Pressure

88%

Humidity

0

UV Index

10mi

Visibility

7%

Cloud Cover

5AM

14%

38°

Feels Like 36°

Clear

ENE 3 mph

Wind

1024 mb

Pressure

90%

Humidity

0

UV Index

10mi

Visibility

9%

Cloud Cover

Sun 12/28

Sun

14%

37°

55°

Clear. Lows overnight in the upper 30s.

36°

Feels Like

NE 4 mph

Wind

83%

Humidity

0

UV Index

7:22 AM

Sunrise

4:59 PM

Sunset

Mon 12/29

Mon

12%

37°

58°

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

39°

Feels Like

NE 5 mph

Wind

65%

Humidity

2

UV Index

7:22 AM

Sunrise

4:59 PM

Sunset

Tue 12/30

Tue

2%

38°

59°

Mostly cloudy. Highs in the upper 50s and lows in the mid 40s.

39°

Feels Like

ENE 5 mph

Wind

61%

Humidity

2

UV Index

7:23 AM

Sunrise

5:00 PM

Sunset

Wed 12/31

Wed

85%

46°

55°

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

48°

Feels Like

E 5 mph

Wind

83%

Humidity

1

UV Index

7:23 AM

Sunrise

5:01 PM

Sunset

Thu 1/1

Thu

66%

48°

59°

Light rain. Highs in the upper 50s and lows in the low 50s.

48°

Feels Like

SSE 8 mph

Wind

88%

Humidity

1

UV Index

7:23 AM

Sunrise

5:02 PM

Sunset

Fri 1/2

Fri

84%

50°

58°

Cloudy with rain. Highs in the upper 50s and lows in the upper 40s.

48°

Feels Like

SSE 14 mph

Wind

86%

Humidity

1

UV Index

7:23 AM

Sunrise

5:03 PM

Sunset

Sat 1/3

Sat

59%

48°

55°

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

47°

Feels Like

S 9 mph

Wind

86%

Humidity

1

UV Index

7:23 AM

Sunrise

5:03 PM

Sunset

Sun 1/4

Sun

53%

47°

55°

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

46°

Feels Like

S 10 mph

Wind

84%

Humidity

2

UV Index

7:23 AM

Sunrise

5:04 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