June 20 - August 3

Fri 6/20

64° /51°

Mostly sunny and cool

RealFeel®70°

RealFeel Shade™62°

Max UV Index11 (Extreme)

WindWNW 16 mph

Sat 6/21

72° /51°

Areas of low clouds early, then sunny and cool

RealFeel®77°

RealFeel Shade™68°

Max UV Index11 (Extreme)

WindNW 12 mph

Sun 6/22

74° /50°

Sunny and cool

RealFeel®79°

RealFeel Shade™70°

Max UV Index11 (Extreme)

WindWNW 10 mph

Mon 6/23

74° /52°

Cool with areas of low clouds early; otherwise, mostly sunny

RealFeel®83°

RealFeel Shade™71°

Max UV Index10 (Very High)

WindW 5 mph

Tue 6/24

71° /51°

Remaining cool with clouds giving way to sun

RealFeel®80°

RealFeel Shade™69°

Max UV Index11 (Extreme)

WindW 5 mph

Wed 6/25

81° /52°

Sun and areas of low clouds and warmer

RealFeel®85°

RealFeel Shade™79°

Max UV Index4 (Moderate)

WindW 5 mph

Thu 6/26

82° /51°

Partial sunshine

RealFeel®88°

RealFeel Shade™79°

Max UV Index11 (Extreme)

WindW 9 mph

Fri 6/27

83° /52°

Brilliant sunshine

RealFeel®87°

RealFeel Shade™80°

Max UV Index11 (Extreme)

WindWSW 7 mph

Sat 6/28

85° /51°

Sunny

RealFeel®90°

RealFeel Shade™83°

Max UV Index11 (Extreme)

WindWNW 4 mph

Sun 6/29

84° /52°

Mostly sunny

RealFeel®88°

RealFeel Shade™82°

Max UV Index11 (Extreme)

WindW 4 mph

Mon 6/30

85° /51°

Times of clouds and sun

RealFeel®84°

RealFeel Shade™82°

Max UV Index6 (High)

WindWNW 8 mph

Tue 7/1

83° /52°

Times of clouds and sun

RealFeel®85°

RealFeel Shade™80°

Max UV Index11 (Extreme)

WindWNW 7 mph

Wed 7/2

84° /52°

Sunny

RealFeel®86°

RealFeel Shade™81°

Max UV Index11 (Extreme)

WindNW 7 mph

Thu 7/3

88° /53°

25%

Clouds and sun

RealFeel®91°

RealFeel Shade™86°

Max UV Index11 (Extreme)

WindWNW 6 mph

Fri 7/4

85° /52°

Partial sunshine

RealFeel®88°

RealFeel Shade™82°

Max UV Index11 (Extreme)

WindWNW 6 mph

Sat 7/5

89° /53°

10%

Sunshine

RealFeel®91°

RealFeel Shade™86°

Max UV Index11 (Extreme)

WindWNW 7 mph

Sun 7/6

89° /53°

Plenty of sun

RealFeel®91°

RealFeel Shade™86°

Max UV Index11 (Extreme)

WindWNW 7 mph

Mon 7/7

88° /55°

20%

Warm with sun and some clouds

RealFeel®93°

RealFeel Shade™87°

Max UV Index11 (Extreme)

WindW 4 mph

Tue 7/8

90° /55°

10%

Sunny and warm

RealFeel®95°

RealFeel Shade™89°

Max UV Index11 (Extreme)

WindW 2 mph

Wed 7/9

90° /54°

25%

Mostly cloudy and warm

RealFeel®91°

RealFeel Shade™89°

Max UV Index5 (Moderate)

WindWSW 4 mph

Thu 7/10

89° /55°

25%

Remaining warm with times of clouds and sun

RealFeel®90°

RealFeel Shade™87°

Max UV Index5 (Moderate)

WindWSW 5 mph

Fri 7/11

88° /52°

25%

Partly sunny

RealFeel®90°

RealFeel Shade™86°

Max UV Index11 (Extreme)

WindW 5 mph

Sat 7/12

86° /52°

25%

Mostly cloudy

RealFeel®86°

RealFeel Shade™84°

Max UV Index4 (Moderate)

WindSSW 6 mph

Sun 7/13

85° /52°

25%

Mostly cloudy

RealFeel®85°

RealFeel Shade™82°

Max UV Index4 (Moderate)

WindSSW 5 mph

Mon 7/14

86° /52°

25%

Clouds and breaks of sun

RealFeel®86°

RealFeel Shade™84°

Max UV Index4 (Moderate)

WindWSW 4 mph

Tue 7/15

85° /53°

25%

Rather cloudy

RealFeel®85°

RealFeel Shade™83°

Max UV Index4 (Moderate)

WindW 5 mph

Wed 7/16

85° /52°

25%

Considerable cloudiness

RealFeel®85°

RealFeel Shade™82°

Max UV Index4 (Moderate)

WindW 5 mph

Thu 7/17

87° /51°

25%

Partial sunshine

RealFeel®88°

RealFeel Shade™85°

Max UV Index10 (Very High)

WindW 4 mph

Fri 7/18

89° /52°

10%

Mostly sunny and warm

RealFeel®93°

RealFeel Shade™87°

Max UV Index11 (Extreme)

WindWSW 4 mph

Sat 7/19

88° /53°

25%

Warm with times of clouds and sun

RealFeel®89°

RealFeel Shade™86°

Max UV Index5 (Moderate)

WindSW 5 mph

Sun 7/20

87° /53°

25%

Times of clouds and sun

RealFeel®88°

RealFeel Shade™85°

Max UV Index5 (Moderate)

WindSW 4 mph

Mon 7/21

88° /55°

20%

Partly sunny

RealFeel®89°

RealFeel Shade™86°

Max UV Index10 (Very High)

WindSW 4 mph

Tue 7/22

89° /56°

25%

Warm with clouds and sunshine

RealFeel®90°

RealFeel Shade™89°

Max UV Index7 (High)

WindSW 4 mph

Wed 7/23

88° /56°

25%

Mostly cloudy

RealFeel®88°

RealFeel Shade™87°

Max UV Index3 (Moderate)

WindW 5 mph

Thu 7/24

86° /55°

25%

Mostly cloudy

RealFeel®87°

RealFeel Shade™84°

Max UV Index3 (Moderate)

WindWSW 4 mph

Fri 7/25

88° /56°

25%

Periods of clouds and sunshine

RealFeel®89°

RealFeel Shade™86°

Max UV Index5 (Moderate)

WindSW 5 mph

Sat 7/26

87° /56°

25%

Considerable cloudiness

RealFeel®86°

RealFeel Shade™85°

Max UV Index4 (Moderate)

WindSSW 6 mph

Sun 7/27

85° /55°

25%

Considerable cloudiness

RealFeel®84°

RealFeel Shade™84°

Max UV Index3 (Moderate)

WindSSW 7 mph

Mon 7/28

84° /54°

25%

Intervals of clouds and sunshine

RealFeel®86°

RealFeel Shade™82°

Max UV Index5 (Moderate)

WindWNW 4 mph

Tue 7/29

87° /54°

25%

Times of clouds and sun

RealFeel®88°

RealFeel Shade™85°

Max UV Index5 (Moderate)

WindW 4 mph

Wed 7/30

88° /55°

25%

Cloudy

RealFeel®87°

RealFeel Shade™87°

Max UV Index3 (Moderate)

WindW 5 mph

Thu 7/31

84° /56°

25%

Cloudy

RealFeel®84°

RealFeel Shade™84°

Max UV Index3 (Moderate)

WindW 5 mph

Fri 8/1

92° /53°

Warm with plenty of sunshine

RealFeel®91°

RealFeel Shade™88°

Max UV Index10 (Very High)

WindW 7 mph

Sat 8/2

90° /54°

Partly sunny

RealFeel®91°

RealFeel Shade™87°

Max UV Index10 (Very High)

WindSW 6 mph

Sun 8/3

90° /56°

Warm with plenty of sunshine

RealFeel®90°

RealFeel Shade™87°

Max UV Index10 (Very High)

WindWSW 8 mph

Portola Valley, CA

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Weather Near Portola Valley: