Current Weather Forecast for Portola Valley

CA 94028  |   11:04pm

Weather Conditions

61°

Feels Like 61°

Clear

53° 70°

0

UV Index

Good

Air Quality

N 1 mph

Wind

0 in

rain

Tonight

Mon 5/18

47°

Lowest Temperature

1%

A clear sky. Low 47F. Winds light and variable.

Tomorrow

Tue 5/19

77°

Highest Temperature

Mainly sunny. High 77F. Winds N at 10 to 15 mph.

Tomorrow night

Tue 5/19

47°

Lowest Temperature

1%

Partly cloudy. Low 47F. Winds ENE at 5 to 10 mph.

Next 12 Hours Next 7 Days

Next 12 Hours Forecast in Portola Valley

Hourly Weather Forecast & Temperature

12AM

1%

59°

Feels Like 59°

Clear

NNW 1 mph

Wind

1015 mb

Pressure

54%

Humidity

0

UV Index

10mi

Visibility

2%

Cloud Cover

1AM

1%

57°

Feels Like 57°

Clear

N 1 mph

Wind

1015 mb

Pressure

56%

Humidity

0

UV Index

10mi

Visibility

2%

Cloud Cover

2AM

1%

55°

Feels Like 55°

Clear

NE 0 mph

Wind

1015 mb

Pressure

57%

Humidity

0

UV Index

10mi

Visibility

2%

Cloud Cover

3AM

1%

53°

Feels Like 53°

Clear

ENE 0 mph

Wind

1015 mb

Pressure

57%

Humidity

0

UV Index

10mi

Visibility

3%

Cloud Cover

4AM

1%

52°

Feels Like 52°

Clear

NE 0 mph

Wind

1015 mb

Pressure

58%

Humidity

0

UV Index

10mi

Visibility

3%

Cloud Cover

5AM

1%

52°

Feels Like 52°

Clear

ENE 1 mph

Wind

1015 mb

Pressure

58%

Humidity

0

UV Index

10mi

Visibility

2%

Cloud Cover

6AM

1%

52°

Feels Like 52°

Sunny

E 0 mph

Wind

1015 mb

Pressure

59%

Humidity

0

UV Index

10mi

Visibility

2%

Cloud Cover

7AM

53°

Feels Like 53°

Sunny

ENE 2 mph

Wind

1016 mb

Pressure

50%

Humidity

0

UV Index

10mi

Visibility

2%

Cloud Cover

8AM

59°

Feels Like 59°

Sunny

ENE 3 mph

Wind

1016 mb

Pressure

43%

Humidity

1

UV Index

10mi

Visibility

1%

Cloud Cover

9AM

63°

Feels Like 63°

Sunny

NE 5 mph

Wind

1016 mb

Pressure

36%

Humidity

2

UV Index

10mi

Visibility

1%

Cloud Cover

10AM

67°

Feels Like 67°

Sunny

NNE 6 mph

Wind

1016 mb

Pressure

28%

Humidity

4

UV Index

10mi

Visibility

1%

Cloud Cover

11AM

70°

Feels Like 70°

Sunny

NNE 7 mph

Wind

1016 mb

Pressure

24%

Humidity

7

UV Index

10mi

Visibility

1%

Cloud Cover

Mon 5/18

Mon

1%

53°

70°

Clear. Lows overnight in the upper 40s.

47°

Feels Like

NE 2 mph

Wind

49%

Humidity

0

UV Index

5:57 AM

Sunrise

8:13 PM

Sunset

Tue 5/19

Tue

47°

77°

Sunshine. Highs in the upper 70s and lows in the upper 40s.

77°

Feels Like

N 13 mph

Wind

29%

Humidity

9

UV Index

5:56 AM

Sunrise

8:14 PM

Sunset

Wed 5/20

Wed

1%

47°

73°

Mix of sun and clouds. Highs in the low 70s and lows in the mid 40s.

73°

Feels Like

NW 10 mph

Wind

43%

Humidity

9

UV Index

5:56 AM

Sunrise

8:15 PM

Sunset

Thu 5/21

Thu

2%

45°

70°

Sunny. Highs in the low 70s and lows in the mid 40s.

70°

Feels Like

NW 10 mph

Wind

51%

Humidity

9

UV Index

5:55 AM

Sunrise

8:16 PM

Sunset

Fri 5/22

Fri

4%

45°

67°

Mainly sunny. Highs in the upper 60s and lows in the mid 40s.

67°

Feels Like

W 10 mph

Wind

56%

Humidity

9

UV Index

5:54 AM

Sunrise

8:17 PM

Sunset

Sat 5/23

Sat

6%

46°

63°

Mix of sun and clouds. Highs in the low 60s and lows in the mid 40s.

45°

Feels Like

SW 11 mph

Wind

64%

Humidity

9

UV Index

5:54 AM

Sunrise

8:17 PM

Sunset

Sun 5/24

Sun

6%

44°

61°

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

46°

Feels Like

W 10 mph

Wind

65%

Humidity

9

UV Index

5:53 AM

Sunrise

8:18 PM

Sunset

Mon 5/25

Mon

18%

44°

60°

Mix of sun and clouds. Highs in the low 60s and lows in the low 40s.

46°

Feels Like

NW 12 mph

Wind

64%

Humidity

9

UV Index

5:52 AM

Sunrise

8:19 PM

Sunset

Need to see beyond 12 Hours?

Find more forecast on the FREE FOX WEATHER App

GO TO APP STORE

Looking for homes in this area?

• 221 W Floresta Way, Portola Valley, CA 94028
• 76 Old Spanish Trl, Portola Valley, CA 94028
• 332 Canyon Dr, Portola Valley, CA 94028

Sponsored by Redfin. Housing data supplied by Redfin independent of FOX Weather.

Latest Stories from California

Sailor rescued in the knick of time as massive, record-breaking wildfire engulfs California island

A massive wildfire continues to rage across Santa Rosa Island, scorching more than 10,000 acres of the scenic California island. Officials say structures remain under threat, while coastal marine layer conditions and high winds have impacted the ability to use air operations.

Mandatory evacuations underway as wildfire threatens several homes and structures in Southern California

Authorities issued mandatory evacuation orders for parts of Simi Valley, California, along with evacuation warnings for the city of Thousand Oaks due to the rapid spread of the wildfire. Both cities are located northwest of Los Angeles.

Video: US Coast Guard rescues several people trapped in cave at California beach

First responders were tasked with an unusual rescue at a California beach on Sunday evening after a group of people became trapped in a cave.

These popular national parks announce plans for 2026 visitor reservations

A group of fan-favorite national parks in the West have announced their plans for how people can visit them this summer during peak season.

Load More Stories