Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 15

First Quarter 53%

13:01

02:58

16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 05:04, Set: 20:48, Transit: 12:57. Moon - Rise: 13:01, Set: 02:58. Civil Dark: 21:30 - 04:22. Nautical Dark: 22:28 - 03:23. Astro Dark: 00:01 - 01:46

Total Clouds (% Sky Obscured)

55
48
75
80
63
65
100
82
92
100
100
100
100
100
100
100
100
100
100
100
100
100
97
99

Low Clouds (% Sky Obscured)

40
42
17
7
6
0
0
0
0
0
0
0
0
0
0
2
40
46
81
56
80
71
73
78

Medium Clouds (% Sky Obscured)

0
2
1
4
2
44
50
35
35
57
52
58
59
100
100
100
100
80
75
80
72
80
63
89

High Clouds (% Sky Obscured)

7
90
94
29
42
41
98
77
87
100
100
100
100
100
100
100
100
100
100
100
100
100
93
89

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
8
8
8
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
4
46
100
100
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None

Precipitation Probability (%)

1
1
0
1
0
0
0
0
0
0
0
0
0
1
3
7
15
54
73
65
71
67
61
55

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.2
0.3
0
0
0

Wind Speed/Direction (mph)

9
8
7
5
4
4
4
4
4
4
3
3
3
3
3
3
3
4
5
6
5
5
5
5

Chance of Frost

Temperature (°C)

18
18
18
17
16
15
14
13
12
12
11
11
11
11
11
12
13
14
15
16
16
16
17
17

Feels Like (°C)

16
17
16
15
16
15
14
11
11
10
10
10
9
10
9
10
12
13
14
15
15
15
15
15

Dew Point (°C)

9
9
10
11
11
11
11
11
10
10
10
10
10
10
9
10
11
11
13
14
14
14
15
15

Relative Humidity (%)

53
56
61
67
73
76
83
87
89
90
90
90
91
91
90
88
87
84
87
89
85
87
86
85

Pressure (mb)

1004
1005
1005
1005
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1005

Ozone (du)

384
383
384
385
387
389
389
389
388
387
388
386
384
383
383
383
383
381
382
382
383
383
385
384

Thursday 16

Waxing Gibbous 63%

14:12

03:09

16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 OK
09 OK
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 05:03, Set: 20:50, Transit: 12:57. Moon - Rise: 14:12, Set: 03:09. Civil Dark: 21:32 - 04:20. Nautical Dark: 22:31 - 03:21. Astro Dark: 00:07 - 01:39

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
99
94
100
67
66
76
69
60
48
45
55
94
100
91
100
100

Low Clouds (% Sky Obscured)

93
78
60
34
19
46
9
12
76
78
91
77
72
77
71
60
37
33
38
45
40
48
62
52

Medium Clouds (% Sky Obscured)

96
100
92
69
55
62
68
79
62
47
46
36
22
37
36
8
12
11
29
43
55
38
41
31

High Clouds (% Sky Obscured)

89
100
100
100
100
100
100
100
91
32
50
10
33
8
4
4
6
4
18
64
72
82
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
11
33
63
17
0
0
0
0
0
0
0
0

Precipitation Type

None
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

56
75
95
90
21
5
4
3
4
3
1
1
0
0
0
0
0
5
5
9
11
33
32
34

Precipitation Amount (mm)

0
0.4
1.7
1.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

5
5
5
4
4
4
3
3
3
3
4
3
3
3
3
3
4
4
4
4
4
4
5
5

Chance of Frost

Temperature (°C)

17
17
16
15
15
14
14
13
13
12
12
12
12
12
11
12
13
15
16
17
18
19
18
18

Feels Like (°C)

15
15
15
14
14
13
12
11
11
11
11
10
12
11
11
12
12
14
16
18
17
17
17
17

Dew Point (°C)

15
15
14
14
14
13
13
13
12
11
11
11
11
11
11
10
9
9
9
10
10
10
10
11

Relative Humidity (%)

86
85
86
89
92
93
93
96
95
93
92
93
96
96
96
90
80
68
62
60
57
55
56
62

Pressure (mb)

1005
1005
1005
1006
1006
1006
1006
1006
1006
1006
1007
1007
1007
1007
1008
1008
1009
1009
1009
1009
1009
1009
1009
1010

Ozone (du)

385
385
385
387
387
388
390
392
393
392
393
396
398
400
400
399
398
398
400
397
394
393
392
392

Friday 17

Waxing Gibbous 72%

15:21

03:19

16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 05:01, Set: 20:51, Transit: 12:57. Moon - Rise: 15:21, Set: 03:19. Civil Dark: 21:34 - 04:18. Nautical Dark: 22:33 - 03:18. Astro Dark: 00:15 - 01:31

Total Clouds (% Sky Obscured)

92
95
98
97
100
100
100
100
100
100
100
99
96
96
96
99
96
100
100
91
91
87
82
75

Low Clouds (% Sky Obscured)

47
56
41
23
7
6
21
23
26
51
58
63
67
56
53
55
58
63
68
38
44
45
39
33

Medium Clouds (% Sky Obscured)

24
24
24
64
69
79
57
27
99
87
80
66
67
82
74
76
49
86
34
49
54
49
45
42

High Clouds (% Sky Obscured)

83
87
95
86
99
100
100
100
99
100
100
90
71
73
65
90
62
100
100
35
30
27
29
24

ISS Passover

Visibility (miles)

9
9
8
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
8
8
3

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

37
44
64
79
39
4
17
17
0
1
4
3
4
5
9
4
6
14
22
31
39
45
46
45

Precipitation Amount (mm)

0
0
0.4
0.9
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

4
4
4
4
3
3
2
2
3
3
3
3
4
6
6
6
6
7
8
7
6
7
7
8

Chance of Frost

Temperature (°C)

19
19
18
18
17
15
15
14
14
13
13
13
13
13
13
12
13
13
14
15
17
17
18
19

Feels Like (°C)

17
18
18
17
16
15
15
14
13
13
13
13
12
12
11
11
12
12
13
14
15
16
17
17

Dew Point (°C)

11
11
12
13
13
13
13
13
12
12
12
12
12
12
12
11
11
11
10
10
11
12
13
13

Relative Humidity (%)

60
62
66
76
81
83
87
90
90
90
92
92
92
95
93
93
89
84
78
72
69
70
71
70

Pressure (mb)

1010
1010
1010
1010
1011
1011
1011
1012
1012
1012
1012
1012
1012
1012
1012
1012
1013
1013
1013
1013
1013
1013
1012
1012

Ozone (du)

392
392
392
391
390
389
389
389
389
389
389
388
389
389
390
390
388
388
389
389
389
388
387
387

Saturday 18

Waxing Gibbous 80%

No Rise

03:28

16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 OK
22 Bad
23 Bad
00 OK
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 05:00, Set: 20:52, Transit: 12:57. Moon - Rise: No Rise, Set: 03:28. Civil Dark: 21:35 - 04:17. Nautical Dark: 22:35 - 03:16. Astro Dark: 00:23 - 01:20

Total Clouds (% Sky Obscured)

57
53
35
26
18
10
37
37
39
48
61
66
70
76
78
78
75
71
68
61
58
35
48
48

Low Clouds (% Sky Obscured)

35
41
37
25
13
1
7
17
36
44
50
52
53
57
62
61
60
60
55
51
46
31
44
48

Medium Clouds (% Sky Obscured)

28
14
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

4
5
6
7
9
15
57
55
16
3
0
0
3
3
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

4
4
6
9
9
9
9
9
9
9
9
9
9
9
9
9
1
9
9
9
9
9
5
8

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

48
54
49
37
27
11
19
17
0
1
0
0
0
1
1
1
0
0
1
10
37
60
57
56

Precipitation Amount (mm)

0
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.2
0.3

Wind Speed/Direction (mph)

8
8
8
8
7
6
6
6
6
6
7
7
7
7
8
9
9
10
10
10
9
10
11
11

Chance of Frost

Temperature (°C)

19
19
18
18
17
16
15
14
13
12
12
11
11
11
11
11
12
13
14
16
17
19
19
19

Feels Like (°C)

18
18
18
17
16
15
14
12
11
10
9
9
9
9
9
8
9
10
11
13
14
16
17
17

Dew Point (°C)

14
13
15
15
15
15
14
13
12
11
11
10
10
10
10
10
11
12
12
13
13
14
14
15

Relative Humidity (%)

70
71
80
85
89
93
95
96
96
95
95
95
96
96
96
95
96
92
87
83
78
72
70
76

Pressure (mb)

1012
1012
1012
1012
1013
1013
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1015
1015
1015
1015
1014
1014
1014

Ozone (du)

388
389
387
388
389
389
390
391
391
391
391
391
393
395
396
396
395
395
393
392
393
391
390
390

Sunday 19

Waxing Gibbous 87%

16:32

03:37

16 Bad
17 OK
18 OK
19 OK
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 OK
14 OK
15 OK

Sun - Rise: 04:59, Set: 20:54, Transit: 12:57. Moon - Rise: 16:32, Set: 03:37. Civil Dark: 21:37 - 04:15. Nautical Dark: 22:38 - 03:14. Astro Dark: 00:34 - N/A

Total Clouds (% Sky Obscured)

25
9
2
13
38
72
79
85
91
92
93
96
95
94
87
73
69
58
56
51
48
36
25
18

Low Clouds (% Sky Obscured)

25
9
1
13
36
68
75
82
89
83
77
72
66
63
49
81
82
79
78
70
65
52
37
24

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
15
31
46
54
53
52
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

5
7
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

42
29
23
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

12
13
13
13
13
13
13
13
12
11
11
11
11
11
11
11
10
11
11
11
11
11
11
11

Chance of Frost

Temperature (°C)

20
19
18
16
14
12
11
10
10
10
10
10
10
10
10
9
10
11
12
13
14
16
16
16

Feels Like (°C)

17
16
15
14
12
9
6
6
6
6
6
6
6
5
5
6
7
7
7
7
9
9
14
14

Dew Point (°C)

16
15
14
14
12
11
9
8
8
7
7
6
6
6
7
7
7
7
6
7
7
7
8
8

Relative Humidity (%)

77
76
81
85
89
93
90
87
83
81
81
78
78
78
81
85
78
73
67
63
61
57
57
58

Pressure (mb)

1014
1014
1015
1015
1016
1017
1017
1018
1018
1018
1018
1018
1018
1019
1019
1019
1019
1020
1020
1019
1019
1019
1019
1018

Ozone (du)

391
390
389
388
388
388
387
387
387
388
389
389
388
388
388
388
388
388
388
388
387
387
387
388

Monday 20

Waxing Gibbous 93%

17:44

03:48

16 OK
17 OK
18 OK
19 OK
20 Good
21 Good
22 Good
23 OK
00 OK
01 OK
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 04:57, Set: 20:55, Transit: 12:57. Moon - Rise: 17:44, Set: 03:48. Civil Dark: 21:39 - 04:14. Nautical Dark: 22:40 - 03:12. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

20
23
25
17
9
0
6
12
16
37
60
81
81
85
90
76
64
55
54
57
60
60
62
68

Low Clouds (% Sky Obscured)

28
33
39
25
13
0
6
12
18
24
30
36
35
33
28
28
29
32
41
50
55
56
55
50

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
1
1
15
29
39
35
31
30
21
12
3
3
3
3
2
2
2

High Clouds (% Sky Obscured)

0
0
0
0
0
1
1
1
1
23
46
66
67
69
73
55
40
25
23
27
33
46
60
68

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
18
23
21

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

11
11
11
10
9
8
7
7
7
6
6
6
6
6
7
7
8
8
8
9
9
9
9
8

Chance of Frost

Temperature (°C)

17
16
15
14
12
11
9
8
7
7
6
6
6
7
8
8
10
12
13
14
14
15
16
16

Feels Like (°C)

14
14
14
15
11
11
10
9
8
7
4
5
4
5
4
4
7
7
8
9
10
11
13
14

Dew Point (°C)

8
8
9
9
9
8
8
7
7
6
6
6
6
6
6
6
7
7
8
9
10
11
12
12

Relative Humidity (%)

57
61
66
73
77
84
91
93
94
96
94
94
94
91
88
87
81
75
70
71
74
75
77
75

Pressure (mb)

1018
1018
1018
1018
1018
1018
1019
1019
1019
1019
1018
1018
1018
1018
1018
1018
1017
1017
1017
1017
1016
1016
1016
1015

Ozone (du)

388
389
389
389
391
392
394
398
401
405
408
411
414
413
412
411
408
406
403
401
398
395
393
391

Tuesday 21

Waxing Gibbous 97%

18:59

04:02

16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad

Sun - Rise: 04:56, Set: 20:57, Transit: 12:57. Moon - Rise: 18:59, Set: 04:02. Civil Dark: 21:40 - 04:12. Nautical Dark: 22:42 - 03:10. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

67
67
70
83
93
100
100
100
100
95
89
84
88
91
94
96
98
100
100
99
99

Low Clouds (% Sky Obscured)

44
41
39
41
42
43
38
34
29
35
44
52
57
66
76
82
87
91
93
95
97

Medium Clouds (% Sky Obscured)

2
2
2
10
22
32
34
42
52
55
62
70
75
83
88
91
94
98
95
92
89

High Clouds (% Sky Obscured)

63
63
64
76
89
100
100
100
100
94
88
83
77
71
60
60
65
65
65
65
70

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
Light Rain
Very Light Rain
Very Light Rain
None

Precipitation Probability (%)

28
38
48
38
25
1
3
4
0
0
0
0
6
11
14
39
55
75
66
59
45

Precipitation Amount (mm)

0
0
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.5
0.3
0.2
0

Wind Speed/Direction (mph)

8
8
8
8
7
6
5
6
6
7
7
7
8
9
9
9
11
11
12
12
12

Chance of Frost

Temperature (°C)

17
16
15
14
13
12
11
11
10
10
10
10
10
10
11
11
11
11
11
12
13

Feels Like (°C)

13
14
14
15
11
11
10
10
10
10
7
7
7
7
7
8
8
8
8
8
8

Dew Point (°C)

13
13
13
13
12
11
10
10
10
9
9
9
9
10
10
10
10
11
10
11
11

Relative Humidity (%)

77
82
86
90
92
92
92
93
95
96
95
93
93
95
95
95
95
95
93
92
89

Pressure (mb)

1015
1015
1014
1014
1015
1015
1015
1015
1015
1015
1014
1014
1014
1014
1014
1014
1014
1014
1013
1013
1013

Ozone (du)

389
387
385
383
384
384
384
384
383
383
383
383
382
382
381
381
380
380
380
379
379

Forecast for Welwyn Garden City, Hertfordshire, United Kingdom (51.80,-0.21)

Generated: 15/05/24 16:58:38. Forecast: 15/05/24 to 21/05/24. Timezone: UTC+1.00