June 19 - August 2

Thu 6/19

84° /58°

Becoming cloudy

RealFeel®57°

Cloud Cover77%

WindESE 7 mph

Wind Gusts18 mph

Fri 6/20

83° /58°

Very warm with sun through high clouds

RealFeel®87°

RealFeel Shade™79°

Max UV Index8 (Very High)

WindESE 10 mph

Sat 6/21

91° /62°

Sun followed by clouds and very hot

RealFeel®89°

RealFeel Shade™88°

Max UV Index7 (High)

WindSSE 10 mph

Sun 6/22

79° /56°

Not as warm with some sun, then turning cloudy; breezy in the afternoon

RealFeel®81°

RealFeel Shade™75°

Max UV Index8 (Very High)

WindW 14 mph

Mon 6/23

72° /55°

Mostly cloudy, breezy and not as warm

RealFeel®69°

RealFeel Shade™67°

Max UV Index2 (Low)

WindWSW 16 mph

Tue 6/24

75° /59°

25%

Warm with low clouds

RealFeel®74°

RealFeel Shade™72°

Max UV Index2 (Low)

WindW 13 mph

Wed 6/25

79° /58°

40%

Mostly cloudy and very warm; a shower in places in the afternoon

RealFeel®78°

RealFeel Shade™77°

Max UV Index2 (Low)

WindWNW 6 mph

Thu 6/26

76° /57°

56%

Sun and clouds with a couple of showers, mainly early; windy and warm

RealFeel®75°

RealFeel Shade™72°

Max UV Index8 (Very High)

WindSW 17 mph

Fri 6/27

77° /55°

Warm with plenty of sunshine

RealFeel®77°

RealFeel Shade™74°

Max UV Index8 (Very High)

WindWSW 13 mph

Sat 6/28

79° /58°

Mostly sunny and warm

RealFeel®80°

RealFeel Shade™76°

Max UV Index8 (Very High)

WindWSW 10 mph

Sun 6/29

76° /55°

Sunny and warm

RealFeel®79°

RealFeel Shade™73°

Max UV Index8 (Very High)

WindSW 7 mph

Mon 6/30

78° /54°

Warm with intervals of clouds and sunshine

RealFeel®78°

RealFeel Shade™74°

Max UV Index8 (Very High)

WindW 13 mph

Tue 7/1

75° /55°

Turning cloudy and remaining warm

RealFeel®75°

RealFeel Shade™72°

Max UV Index7 (High)

WindWSW 8 mph

Wed 7/2

72° /55°

25%

Partly sunny and less humid

RealFeel®75°

RealFeel Shade™69°

Max UV Index8 (Very High)

WindWSW 9 mph

Thu 7/3

70° /54°

25%

Partly sunny

RealFeel®68°

RealFeel Shade™66°

Max UV Index6 (High)

WindSW 12 mph

Fri 7/4

70° /52°

25%

Increasing cloudiness

RealFeel®73°

RealFeel Shade™67°

Max UV Index7 (High)

WindWSW 8 mph

Sat 7/5

67° /54°

65%

Mostly cloudy with a couple of showers and a thunderstorm in the afternoon

RealFeel®65°

RealFeel Shade™65°

Max UV Index3 (Moderate)

WindSW 9 mph

Sun 7/6

68° /50°

25%

Partly sunny

RealFeel®71°

RealFeel Shade™65°

Max UV Index8 (Very High)

WindNW 8 mph

Mon 7/7

67° /50°

20%

Increasing cloudiness

RealFeel®74°

RealFeel Shade™65°

Max UV Index8 (Very High)

WindSW 6 mph

Tue 7/8

70° /56°

67%

Cloudy with periods of rain, then a leftover shower

RealFeel®69°

RealFeel Shade™69°

Max UV Index2 (Low)

WindSW 10 mph

Wed 7/9

72° /53°

25%

Cloudy

RealFeel®70°

RealFeel Shade™70°

Max UV Index2 (Low)

WindW 7 mph

Thu 7/10

70° /55°

25%

Rather cloudy

RealFeel®69°

RealFeel Shade™69°

Max UV Index3 (Moderate)

WindSW 7 mph

Fri 7/11

74° /56°

25%

Intervals of clouds and sunshine

RealFeel®75°

RealFeel Shade™73°

Max UV Index5 (Moderate)

WindSE 6 mph

Sat 7/12

76° /56°

25%

Warm with intervals of clouds and sunshine

RealFeel®75°

RealFeel Shade™73°

Max UV Index3 (Moderate)

WindWNW 9 mph

Sun 7/13

73° /55°

25%

Times of clouds and sun

RealFeel®79°

RealFeel Shade™71°

Max UV Index7 (High)

WindWNW 5 mph

Mon 7/14

73° /56°

25%

Turning cloudy

RealFeel®71°

RealFeel Shade™71°

Max UV Index4 (Moderate)

WindWSW 8 mph

Tue 7/15

74° /56°

25%

Cloudy

RealFeel®72°

RealFeel Shade™72°

Max UV Index2 (Low)

WindWNW 8 mph

Wed 7/16

72° /54°

20%

Mostly sunny

RealFeel®79°

RealFeel Shade™71°

Max UV Index7 (High)

WindNW 2 mph

Thu 7/17

75° /56°

10%

Mostly sunny

RealFeel®80°

RealFeel Shade™73°

Max UV Index7 (High)

WindW 5 mph

Fri 7/18

75° /57°

25%

Times of sun and clouds

RealFeel®79°

RealFeel Shade™73°

Max UV Index7 (High)

WindN 6 mph

Sat 7/19

74° /56°

25%

A blend of sun and clouds

RealFeel®74°

RealFeel Shade™72°

Max UV Index4 (Moderate)

WindSE 6 mph

Sun 7/20

75° /57°

10%

Sunny

RealFeel®81°

RealFeel Shade™73°

Max UV Index7 (High)

WindWSW 5 mph

Mon 7/21

76° /58°

20%

Sunshine and a few clouds

RealFeel®79°

RealFeel Shade™73°

Max UV Index7 (High)

WindSSW 7 mph

Tue 7/22

76° /57°

25%

Considerable cloudiness

RealFeel®75°

RealFeel Shade™74°

Max UV Index2 (Low)

WindWSW 7 mph

Wed 7/23

75° /56°

20%

Mostly sunny

RealFeel®77°

RealFeel Shade™72°

Max UV Index7 (High)

WindW 9 mph

Thu 7/24

74° /55°

20%

Mostly sunny

RealFeel®78°

RealFeel Shade™72°

Max UV Index7 (High)

WindNW 5 mph

Fri 7/25

74° /57°

25%

Increasing cloudiness

RealFeel®74°

RealFeel Shade™72°

Max UV Index6 (High)

WindE 7 mph

Sat 7/26

75° /58°

40%

Sun and clouds with a thunderstorm in spots in the afternoon

RealFeel®78°

RealFeel Shade™75°

Max UV Index6 (High)

WindSE 2 mph

Sun 7/27

76° /58°

20%

More sun than clouds

RealFeel®76°

RealFeel Shade™72°

Max UV Index7 (High)

WindWSW 9 mph

Mon 7/28

75° /57°

25%

Overcast

RealFeel®73°

RealFeel Shade™73°

Max UV Index2 (Low)

WindWSW 9 mph

Tue 7/29

74° /57°

25%

Mostly cloudy

RealFeel®74°

RealFeel Shade™74°

Max UV Index3 (Moderate)

WindSW 5 mph

Wed 7/30

73° /56°

55%

Considerable cloudiness; a little rain in the morning followed by a shower in spots in the afternoon

RealFeel®71°

RealFeel Shade™69°

Max UV Index2 (Low)

WindWSW 13 mph

Thu 7/31

73° /54°

20%

Mostly sunny

RealFeel®75°

RealFeel Shade™70°

Max UV Index7 (High)

WindW 7 mph

Fri 8/1

76° /53°

Plenty of sun

RealFeel®81°

RealFeel Shade™75°

Max UV Index7 (High)

WindESE 1 mph

Sat 8/2

74° /51°

65%

Partly sunny with a couple of showers and a thunderstorm in the afternoon

RealFeel®74°

RealFeel Shade™71°

Max UV Index6 (High)

WindSW 9 mph

Old Knebworth, Hertfordshire

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Weather Near Old Knebworth: