Holtsville, NY

Mainly cloudy with a shower in places

RealFeel®69°

RealFeel Shade™66°

Max UV Index3 (Moderate)

WindE 10 mph

Sat 6/28

80° /71°

Humid; considerable cloudiness in the morning, then a blend of sun and clouds in the afternoon with a thunderstorm

RealFeel®87°

RealFeel Shade™82°

Max UV Index4 (Moderate)

WindESE 7 mph

Sun 6/29

81° /66°

Mostly cloudy and humid with a thunderstorm in spots

RealFeel®88°

RealFeel Shade™83°

Max UV Index3 (Moderate)

WindSSW 4 mph

Mon 6/30

76° /72°

Low clouds and humid

RealFeel®83°

RealFeel Shade™77°

Max UV Index4 (Moderate)

WindS 6 mph

Tue 7/1

82° /72°

60%

Times of clouds and sun with a couple of showers and a thunderstorm; humid

RealFeel®90°

RealFeel Shade™83°

Max UV Index11 (Extreme)

WindSSW 12 mph

Wed 7/2

84° /67°

Clouds and sunshine

RealFeel®92°

RealFeel Shade™85°

Max UV Index11 (Extreme)

WindWSW 7 mph

Thu 7/3

83° /66°

Mostly sunny and less humid

RealFeel®87°

RealFeel Shade™80°

Max UV Index11 (Extreme)

WindW 8 mph

Fri 7/4

79° /66°

Sunshine and a few clouds

RealFeel®87°

RealFeel Shade™77°

Max UV Index11 (Extreme)

WindWNW 5 mph

Sat 7/5

80° /67°

75%

Humid with rain

RealFeel®83°

RealFeel Shade™80°

Max UV Index3 (Moderate)

WindSE 7 mph

Sun 7/6

81° /68°

Mostly sunny and humid

RealFeel®84°

RealFeel Shade™79°

Max UV Index10 (Very High)

WindENE 16 mph

Mon 7/7

81° /69°

A touch of rain in the morning; otherwise, mainly cloudy and humid

RealFeel®81°

RealFeel Shade™78°

Max UV Index3 (Moderate)

WindNE 17 mph

Tue 7/8

82° /70°

Less humid with plenty of sun

RealFeel®85°

RealFeel Shade™78°

Max UV Index10 (Very High)

WindWSW 10 mph

Wed 7/9

82° /67°

Cloudy

RealFeel®82°

RealFeel Shade™81°

Max UV Index3 (Moderate)

WindENE 7 mph

Thu 7/10

82° /70°

Cloudy and humid; a thunderstorm in spots in the afternoon

RealFeel®86°

RealFeel Shade™84°

Max UV Index3 (Moderate)

WindSSE 6 mph

Fri 7/11

Mostly cloudy and humid; a couple of afternoon showers and a thunderstorm

RealFeel®82°

RealFeel Shade™82°

Max UV Index4 (Moderate)

WindSSW 15 mph

Sat 7/12

80° /69°

A couple of morning showers and a thunderstorm; otherwise, cloudy and humid

RealFeel®84°

RealFeel Shade™84°

Max UV Index3 (Moderate)

WindSSW 13 mph

Sun 7/13

81° /70°

A bit of rain in the morning; otherwise, mostly cloudy and humid

RealFeel®89°

RealFeel Shade™85°

Max UV Index4 (Moderate)

WindSW 6 mph

Mon 7/14

Cloudy and humid; a couple of afternoon showers and a thunderstorm

RealFeel®86°

RealFeel Shade™85°

Max UV Index3 (Moderate)

WindSSW 8 mph

Tue 7/15

79° /69°

A couple of showers in the morning; otherwise, cloudy and humid

RealFeel®86°

RealFeel Shade™85°

Max UV Index3 (Moderate)

WindWSW 9 mph

Wed 7/16

82° /70°

Cloudy and uncomfortably humid; a thunderstorm in spots in the afternoon

RealFeel®89°

RealFeel Shade™89°

Max UV Index3 (Moderate)

WindSSW 7 mph

Thu 7/17

80° /71°

Still cloudy and uncomfortably humid

RealFeel®86°

RealFeel Shade™86°

Max UV Index3 (Moderate)

WindSW 14 mph

Fri 7/18

84° /71°

Rather cloudy and uncomfortably humid

RealFeel®91°

RealFeel Shade™89°

Max UV Index3 (Moderate)

WindSW 14 mph

Sat 7/19

85° /70°

Very humid with sunshine

RealFeel®93°

RealFeel Shade™90°

Max UV Index10 (Very High)

WindSW 13 mph

Sun 7/20

85° /71°

Abundant sunshine and uncomfortably humid

RealFeel®92°

RealFeel Shade™88°

Max UV Index10 (Very High)

WindSW 14 mph

Mon 7/21

84° /68°

Less humid with plenty of sunshine

RealFeel®89°

RealFeel Shade™82°

Max UV Index10 (Very High)

WindNW 12 mph

Tue 7/22

80° /65°

20%

Low humidity with plenty of sunshine

RealFeel®85°

RealFeel Shade™77°

Max UV Index10 (Very High)

WindENE 7 mph

Wed 7/23

79° /65°

20%

Partly sunny

RealFeel®85°

RealFeel Shade™76°

Max UV Index10 (Very High)

WindSSW 8 mph

Thu 7/24

Plenty of clouds

RealFeel®79°

RealFeel Shade™79°

Max UV Index4 (Moderate)

WindSW 13 mph

Fri 7/25

85° /71°

10%

Mostly sunny and humid

RealFeel®92°

RealFeel Shade™86°

Max UV Index10 (Very High)

WindSSW 9 mph

Sat 7/26

84° /70°

20%

Humid with sun and some clouds

RealFeel®94°

RealFeel Shade™88°

Max UV Index10 (Very High)

WindSSW 7 mph

Sun 7/27

86° /71°

10%

Sunny and humid

RealFeel®94°

RealFeel Shade™89°

Max UV Index10 (Very High)

WindSSW 9 mph

Mon 7/28

86° /70°

57%

A passing morning shower; otherwise, very humid with sunshine and some clouds

RealFeel®95°

RealFeel Shade™91°

Max UV Index10 (Very High)

WindSW 8 mph

Tue 7/29

81° /67°

Cloudy; a thunderstorm in spots in the morning followed by a little rain in the afternoon

RealFeel®80°

RealFeel Shade™80°

Max UV Index2 (Low)

WindN 9 mph

Wed 7/30

78° /68°

70%

Cloudy and humid with showers and thunderstorms, mainly later

RealFeel®79°

RealFeel Shade™79°

Max UV Index2 (Low)

WindE 7 mph

Thu 7/31

78° /68°

70%

Cloudy and humid with showers and thunderstorms, mainly later

RealFeel®82°

RealFeel Shade™81°

Max UV Index2 (Low)

WindESE 7 mph

Fri 8/1

79° /70°

Cloudy and humid with a thunderstorm

RealFeel®84°

RealFeel Shade™84°

Max UV Index2 (Low)

WindSW 6 mph

Sat 8/2

A couple of morning showers and a thunderstorm; otherwise, remaining cloudy and humid

RealFeel®85°

RealFeel Shade™84°

Max UV Index2 (Low)

WindSW 8 mph

Sun 8/3

80° /69°

Humid with clouds and sun

RealFeel®86°

RealFeel Shade™85°

Max UV Index6 (High)

WindSW 9 mph

Mon 8/4

81° /70°

Mostly cloudy and humid

RealFeel®89°

RealFeel Shade™88°

Max UV Index5 (Moderate)

WindSW 7 mph

Tue 8/5

83° /70°

Mostly cloudy and humid

RealFeel®89°

RealFeel Shade™85°

Max UV Index6 (High)

WindW 10 mph

Wed 8/6

80° /69°

Mostly cloudy

RealFeel®83°

RealFeel Shade™80°

Max UV Index3 (Moderate)

WindNE 7 mph

Thu 8/7

79° /70°