September 17 - October 31

Wed 9/17

96° /66°

Hot with plenty of sunshine; caution advised if doing strenuous activities outside

RealFeel®95°

RealFeel Shade™92°

Max UV Index6.0 (High)

WindW 7 mph

Thu 9/18

77° /63°

Mostly cloudy

RealFeel®78°

RealFeel Shade™74°

Max UV Index4.0 (Moderate)

WindWSW 10 mph

Fri 9/19

79° /62°

15%

Partly sunny and pleasant

RealFeel®82°

RealFeel Shade™76°

Max UV Index6.0 (High)

WindSW 7 mph

Sat 9/20

83° /60°

Sunny to partly cloudy

RealFeel®86°

RealFeel Shade™81°

Max UV Index6.0 (High)

WindW 7 mph

Sun 9/21

89° /59°

Warm with plenty of sunshine

RealFeel®92°

RealFeel Shade™86°

Max UV Index5.0 (Moderate)

WindWSW 6 mph

Mon 9/22

96° /56°

Hot with increasing clouds

RealFeel®100°

RealFeel Shade™95°

Max UV Index5.0 (Moderate)

WindSW 1 mph

Tue 9/23

83° /54°

64%

A couple of morning showers; otherwise, clouds and breaks of sun

RealFeel®83°

RealFeel Shade™80°

Max UV Index5.0 (Moderate)

WindWSW 7 mph

Wed 9/24

80° /54°

49%

A shower in spots in the morning; otherwise, more clouds than sun

RealFeel®81°

RealFeel Shade™77°

Max UV Index5.0 (Moderate)

WindSW 7 mph

Thu 9/25

81° /53°

55%

A morning shower in spots; otherwise, more clouds than sun

RealFeel®82°

RealFeel Shade™79°

Max UV Index5.0 (Moderate)

WindSW 9 mph

Fri 9/26

77° /52°

12%

Cloudy most of the time

RealFeel®76°

RealFeel Shade™76°

Max UV Index1.0 (Low)

WindSW 8 mph

Sat 9/27

82° /50°

Plenty of sunshine

RealFeel®82°

RealFeel Shade™79°

Max UV Index5.0 (Moderate)

WindWSW 7 mph

Sun 9/28

81° /49°

Times of clouds and sun

RealFeel®81°

RealFeel Shade™78°

Max UV Index5.0 (Moderate)

WindWSW 8 mph

Mon 9/29

84° /50°

Partly sunny

RealFeel®84°

RealFeel Shade™81°

Max UV Index5.0 (Moderate)

WindSW 8 mph

Tue 9/30

80° /49°

25%

Cloudy

RealFeel®79°

RealFeel Shade™79°

Max UV Index2.0 (Low)

WindSW 5 mph

Wed 10/1

76° /50°

25%

After a cloudy start, sunshine returns

RealFeel®79°

RealFeel Shade™74°

Max UV Index5.0 (Moderate)

WindW 4 mph

Thu 10/2

77° /52°

20%

Plenty of sunshine

RealFeel®77°

RealFeel Shade™74°

Max UV Index5.0 (Moderate)

WindN 8 mph

Fri 10/3

82° /49°

Sunny

RealFeel®85°

RealFeel Shade™81°

Max UV Index5.0 (Moderate)

WindSW 4 mph

Sat 10/4

79° /48°

20%

Intervals of clouds and sunshine

RealFeel®80°

RealFeel Shade™77°

Max UV Index2.0 (Low)

WindWSW 2 mph

Sun 10/5

79° /48°

20%

Sun and some clouds

RealFeel®82°

RealFeel Shade™77°

Max UV Index3.0 (Moderate)

WindWSW 4 mph

Mon 10/6

80° /49°

25%

Partly sunny

RealFeel®82°

RealFeel Shade™80°

Max UV Index4.0 (Moderate)

WindSW 2 mph

Tue 10/7

81° /48°

25%

Times of clouds and sun

RealFeel®82°

RealFeel Shade™79°

Max UV Index2.0 (Low)

WindSW 4 mph

Wed 10/8

81° /48°

10%

Sunny to partly cloudy

RealFeel®83°

RealFeel Shade™79°

Max UV Index4.0 (Moderate)

WindSW 4 mph

Thu 10/9

80° /51°

20%

Sunny to partly cloudy

RealFeel®82°

RealFeel Shade™78°

Max UV Index4.0 (Moderate)

WindSW 5 mph

Fri 10/10

79° /50°

25%

Partly sunny

RealFeel®81°

RealFeel Shade™78°

Max UV Index2.0 (Low)

WindW 2 mph

Sat 10/11

80° /50°

25%

Clouds and sun

RealFeel®81°

RealFeel Shade™81°

Max UV Index2.0 (Low)

WindW 1 mph

Sun 10/12

80° /51°

20%

Mostly sunny

RealFeel®83°

RealFeel Shade™79°

Max UV Index4.0 (Moderate)

WindNW 2 mph

Mon 10/13

81° /51°

Plenty of sunshine

RealFeel®84°

RealFeel Shade™80°

Max UV Index4.0 (Moderate)

WindNNE 2 mph

Tue 10/14

80° /50°

20%

Plenty of sun

RealFeel®84°

RealFeel Shade™79°

Max UV Index4.0 (Moderate)

WindN 1 mph

Wed 10/15

81° /50°

10%

Mostly sunny

RealFeel®83°

RealFeel Shade™79°

Max UV Index4.0 (Moderate)

WindSW 4 mph

Thu 10/16

78° /48°

25%

Rather cloudy

RealFeel®77°

RealFeel Shade™77°

Max UV Index1.0 (Low)

WindWSW 5 mph

Fri 10/17

71° /50°

25%

Cloudy

RealFeel®70°

RealFeel Shade™70°

Max UV Index1.0 (Low)

WindSW 4 mph

Sat 10/18

72° /49°

25%

Mostly cloudy

RealFeel®71°

RealFeel Shade™71°

Max UV Index1.0 (Low)

WindWSW 5 mph

Sun 10/19

70° /48°

10%

Mostly sunny

RealFeel®70°

RealFeel Shade™67°

Max UV Index4.0 (Moderate)

WindWNW 9 mph

Mon 10/20

70° /47°

Plenty of sunshine

RealFeel®69°

RealFeel Shade™67°

Max UV Index4.0 (Moderate)

WindNNW 10 mph

Tue 10/21

73° /49°

20%

Plenty of sunshine

RealFeel®76°

RealFeel Shade™72°

Max UV Index4.0 (Moderate)

WindN 4 mph

Wed 10/22

77° /49°

Plenty of sunshine

RealFeel®80°

RealFeel Shade™76°

Max UV Index4.0 (Moderate)

WindNNW 1 mph

Thu 10/23

77° /48°

20%

Partial sunshine

RealFeel®80°

RealFeel Shade™76°

Max UV Index3.0 (Moderate)

WindW 1 mph

Fri 10/24

76° /49°

25%

Partial sunshine

RealFeel®76°

RealFeel Shade™75°

Max UV Index3.0 (Moderate)

WindNNW 4 mph

Sat 10/25

77° /49°

20%

Plenty of sun

RealFeel®80°

RealFeel Shade™76°

Max UV Index4.0 (Moderate)

WindWNW 1 mph

Sun 10/26

76° /47°

Sunny

RealFeel®78°

RealFeel Shade™74°

Max UV Index4.0 (Moderate)

WindWNW 4 mph

Mon 10/27

74° /48°

20%

Plenty of sunshine

RealFeel®73°

RealFeel Shade™71°

Max UV Index4.0 (Moderate)

WindN 12 mph

Tue 10/28

74° /46°

Plenty of sunshine

RealFeel®76°

RealFeel Shade™72°

Max UV Index3.0 (Moderate)

WindWNW 1 mph

Wed 10/29

73° /45°

20%

Abundant sunshine

RealFeel®76°

RealFeel Shade™72°

Max UV Index3.0 (Moderate)

WindWSW 1 mph

Thu 10/30

73° /44°

25%

Cloudy

RealFeel®72°

RealFeel Shade™72°

Max UV Index1.0 (Low)

WindNW 5 mph

Fri 10/31

73° /47°

Partly sunny

RealFeel®72°

RealFeel Shade™70°

Max UV Index3.0 (Moderate)

WindNW 7 mph

Port Costa, CA

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