Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 15

First Quarter 53%

11:48

02:45

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
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 05:05, Set: 20:48, Transit: 12:57. Moon - Rise: 11:48, Set: 02:45. Civil Dark: 21:30 - 04:23. Nautical Dark: 22:28 - 03:25. Astro Dark: N/A - 01:53

Total Clouds (% Sky Obscured)

99
54
90
90
100
100
100
100
75
100
100
95
95
91
96
63
65
92
98
90
78
100
100
100

Low Clouds (% Sky Obscured)

65
56
74
89
73
73
73
61
48
65
53
50
52
62
75
53
40
24
3
19
20
4
0
0

Medium Clouds (% Sky Obscured)

90
91
99
95
96
100
100
100
100
100
69
59
74
44
38
24
0
12
69
17
13
50
57
53

High Clouds (% Sky Obscured)

91
100
85
67
100
84
100
100
100
100
75
81
72
35
24
0
24
82
97
89
76
100
100
100

ISS Passover

Visibility (miles)

-
-
-
-
-
-
-
-
-
-
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

Precipitation Type

None
None
None
Very Light Rain
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
100
0
0
0
0
0
0
0
0
11
14
8
9
14
5
7
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

10
8
7
8
7
7
6
6
6
8
7
7
8
9
9
9
9
9
7
6
5
5
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

11
12
11
11
11
11
12
12
13
13
13
13
15
15
16
16
16
16
16
16
14
13
12
12

Dew Point (°C)

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

Relative Humidity (%)

91
94
91
92
92
90
93
90
90
87
75
68
61
59
56
57
55
55
61
67
73
75
80
87

Pressure (mb)

1003
1003
1003
1003
1003
1003
1004
1004
1004
1005
1005
1005
1005
1005
1005
1005
1005
1005
1005
1005
1006
1006
1006
1006

Ozone (du)

368
371
373
375
377
381
382
382
381
380
383
383
382
383
383
381
382
381
382
383
384
385
385
385

Thursday 16

Waxing Gibbous 63%

13:01

02:58

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
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 05:04, Set: 20:50, Transit: 12:57. Moon - Rise: 13:01, Set: 02:58. Civil Dark: 21:32 - 04:22. Nautical Dark: 22:31 - 03:23. Astro Dark: 00:01 - 01:46

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
98
97
98

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
5
25
50
72
59
66
60
70
75
68
71
65
60
53
47
46
59

Medium Clouds (% Sky Obscured)

53
67
53
66
84
100
100
100
100
100
100
100
100
100
76
97
83
71
84
92
99
80
85
46

High Clouds (% Sky Obscured)

100
100
82
55
62
100
100
100
100
100
100
99
100
100
100
100
100
92
100
96
52
93
82
96

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
15
100
80
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
Very Light Rain
None
None
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None

Precipitation Probability (%)

0
0
0
3
2
5
6
4
9
19
26
45
64
69
74
66
74
85
95
84
61
12
2
2

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0
0
0.6
1.7
1.2
0.8
0
0
0

Wind Speed/Direction (mph)

5
4
4
3
3
3
3
3
3
4
4
4
5
5
3
3
3
3
4
3
3
2
2
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
92
93
93
92
91
91
89
87
82
82
77
74
81
83
81
81
81
82
83
87
92
92
93

Pressure (mb)

1007
1007
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1005
1005
1005
1005
1005
1006
1006
1006
1006

Ozone (du)

385
384
384
385
384
384
384
384
383
382
382
382
380
381
382
381
384
385
386
388
387
387
388
388

Friday 17

Waxing Gibbous 72%

14:12

03:09

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

Sun - Rise: 05:03, Set: 20:51, Transit: 12:57. Moon - Rise: 14:12, Set: 03:09. Civil Dark: 21:34 - 04:20. Nautical Dark: 22:33 - 03:21. Astro Dark: 00:07 - 01:39

Total Clouds (% Sky Obscured)

100
96
92
95
66
48
36
31
33
75
48
100
100
96
79
80
91
93
94
79
99
100
100
100

Low Clouds (% Sky Obscured)

65
83
76
62
59
39
33
31
32
38
45
45
25
44
45
29
50
72
43
23
3
0
0
2

Medium Clouds (% Sky Obscured)

44
38
42
10
21
8
2
0
0
0
0
0
6
7
7
16
2
27
40
23
46
9
15
56

High Clouds (% Sky Obscured)

100
87
80
80
5
6
4
3
3
68
10
100
100
94
77
66
70
61
86
79
99
100
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
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
12
0
0
0
0
0
0
0
3
17
13
26
17
22
15
21
16
9
10
0
0
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)

2
2
3
4
4
4
4
3
4
5
5
5
5
5
6
6
5
4
4
4
4
3
2
1

Chance of Frost

Temperature (°C)

13
13
12
12
12
12
12
12
14
15
16
17
18
19
19
20
20
20
20
19
17
16
15
15

Feels Like (°C)

13
12
11
11
10
11
11
13
14
15
15
18
17
17
17
18
19
20
19
19
17
15
14
15

Dew Point (°C)

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

Relative Humidity (%)

90
89
92
95
95
95
90
83
76
74
71
67
63
59
58
61
59
58
60
69
73
79
85
86

Pressure (mb)

1006
1006
1007
1007
1007
1007
1008
1008
1009
1009
1009
1009
1009
1009
1009
1009
1009
1010
1010
1010
1011
1011
1012
1012

Ozone (du)

389
388
390
392
396
397
397
396
395
394
395
395
394
394
393
393
392
391
390
389
388
388
389
389

Saturday 18

Waxing Gibbous 80%

15:21

03:19

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
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 05:01, Set: 20:52, Transit: 12:57. Moon - Rise: 15:21, Set: 03:19. Civil Dark: 21:35 - 04:18. Nautical Dark: 22:35 - 03:18. Astro Dark: 00:15 - 01:31

Total Clouds (% Sky Obscured)

100
98
87
95
91
94
98
97
96
96
95
94
93
96
98
100
98
95
100
81
88
72
84
87

Low Clouds (% Sky Obscured)

0
30
37
36
39
50
63
66
69
70
67
66
65
63
65
60
67
70
50
43
40
55
63
65

Medium Clouds (% Sky Obscured)

78
67
43
48
61
67
66
69
70
64
40
53
39
33
29
27
27
43
24
27
28
25
25
26

High Clouds (% Sky Obscured)

100
96
68
88
72
71
79
74
69
67
66
68
72
84
92
100
88
47
100
64
70
6
3
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
3
9
4
3
3
2
2
2
3
4
7
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
Very Light Rain
None
None
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None

Precipitation Probability (%)

0
0
0
1
6
8
36
29
37
54
63
68
79
81
81
84
88
85
81
76
75
70
60
38

Precipitation Amount (mm)

0
0
0
0
0
0
0.3
0
0
0.3
0.4
0.4
0.6
0.5
0.5
0.6
0.7
0.6
0.4
0.4
0.4
0.4
0.3
0

Wind Speed/Direction (mph)

2
2
2
2
2
3
3
4
5
5
6
6
7
7
7
7
7
7
6
5
5
5
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
89
90
90
92
92
92
89
86
82
81
78
74
74
73
75
76
82
86
88
90
93
95
96

Pressure (mb)

1012
1012
1012
1012
1012
1012
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1014
1014
1014

Ozone (du)

389
390
389
388
388
388
387
387
387
388
389
389
389
389
387
387
386
387
387
387
388
388
390
395

Sunday 19

Waxing Gibbous 87%

16:32

03:28

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
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 05:00, Set: 20:54, Transit: 12:57. Moon - Rise: 16:32, Set: 03:28. Civil Dark: 21:37 - 04:17. Nautical Dark: 22:38 - 03:16. Astro Dark: 00:23 - 01:20

Total Clouds (% Sky Obscured)

86
91
94
99
96
94
91
91
91
92
95
97
86
76
58
62
69
51
47
51
53
59
67
77

Low Clouds (% Sky Obscured)

67
77
87
96
91
86
81
85
88
92
95
97
83
72
58
58
56
44
39
42
42
44
68
80

Medium Clouds (% Sky Obscured)

26
29
32
31
24
17
10
6
3
0
0
0
0
18
37
55
42
38
26
22
12
28
2
2

High Clouds (% Sky Obscured)

0
1
1
2
2
1
0
0
0
2
2
2
2
26
45
67
51
23
0
0
2
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
8
7
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 (%)

3
12
17
22
27
25
14
16
9
2
20
26
47
34
12
18
10
15
1
1
0
0
0
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)

5
5
6
6
7
7
7
8
8
9
9
10
9
9
10
10
11
11
12
12
11
10
10
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

13
13
12
11
11
11
10
10
10
11
11
12
13
14
15
16
16
15
15
14
12
11
8
7

Dew Point (°C)

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

Relative Humidity (%)

96
95
95
96
96
98
96
96
95
90
86
80
73
65
59
56
58
64
72
78
86
92
96
95

Pressure (mb)

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

Ozone (du)

394
397
398
396
396
396
395
393
391
391
390
388
386
385
383
382
381
380
381
381
381
382
384
386

Monday 20

Waxing Gibbous 93%

17:44

03:37

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
16 Bad
17 Bad
18 Bad
19 Bad
20 OK
21 Good
22 Good
23 Good

Sun - Rise: 04:59, Set: 20:55, Transit: 12:57. Moon - Rise: 17:44, Set: 03:37. Civil Dark: 21:39 - 04:15. Nautical Dark: 22:40 - 03:14. Astro Dark: 00:34 - N/A

Total Clouds (% Sky Obscured)

84
81
79
77
81
85
89
87
84
79
76
72
72
68
66
61
65
68
72
51
28
1
4
7

Low Clouds (% Sky Obscured)

86
84
82
80
84
86
89
86
85
83
82
79
78
68
58
52
56
60
64
43
22
0
5
9

Medium Clouds (% Sky Obscured)

2
6
12
17
12
7
0
0
0
0
0
0
0
0
0
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
2
3

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
3
5
3
7
8
8
8
6
0
1
1

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)

10
10
9
9
9
9
9
9
9
10
11
11
11
10
10
10
9
9
10
10
9
9
8
8

Chance of Frost

Temperature (°C)

10
10
10
10
10
10
10
10
11
11
12
13
15
16
16
16
16
16
15
15
13
11
9
8

Feels Like (°C)

6
6
6
6
6
6
6
6
7
7
7
8
8
9
14
13
14
13
13
13
12
11
10
10

Dew Point (°C)

9
8
7
7
7
7
7
7
7
7
7
8
9
9
10
10
10
10
10
10
10
9
8
7

Relative Humidity (%)

88
85
84
81
80
81
81
80
78
75
72
70
68
65
66
66
68
69
72
74
80
84
91
93

Pressure (mb)

1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1018
1018
1018
1018
1018
1017
1018
1018
1019
1019

Ozone (du)

387
389
389
389
389
389
390
390
391
393
394
393
393
393
392
392
392
393
393
393
395
396
397
398

Tuesday 21

Waxing Gibbous 97%

18:59

03:48

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

Sun - Rise: 04:57, Set: 20:57, Transit: 12:57. Moon - Rise: 18:59, Set: 03:48. Civil Dark: 21:40 - 04:14. Nautical Dark: 22:42 - 03:12. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

9
19
28
39
40
44
50
67
81
93
83
72
56
54
52
50
46
37
44
63
84
100
100
100

Low Clouds (% Sky Obscured)

12
14
15
14
19
26
31
50
68
85
80
77
66
62
62
61
53
44
44
35
35
35
27
14

Medium 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

High Clouds (% Sky Obscured)

5
14
21
24
27
31
35
50
63
77
56
32
7
19
27
37
38
42
41
55
72
84
89
94

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
0
0
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)

7
7
7
7
7
7
8
8
8
8
8
8
8
8
8
9
9
8
7
6
6
6
6
5

Chance of Frost

Temperature (°C)

7
6
6
5
5
6
7
7
9
10
12
12
13
14
15
16
16
16
15
15
14
12
11
10

Feels Like (°C)

9
8
4
4
5
4
4
4
6
6
6
7
8
8
13
13
13
13
13
13
11
11
11
11

Dew Point (°C)

6
5
5
5
4
5
5
5
6
7
7
8
9
10
11
11
12
12
12
12
11
10
10
9

Relative Humidity (%)

93
94
94
94
94
91
88
85
81
78
75
75
75
74
75
75
75
79
80
82
84
87
90
91

Pressure (mb)

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

Ozone (du)

400
401
401
401
401
399
397
395
395
395
395
395
395
395
393
391
389
388
388
387
388
389
389
388

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

Generated: 15/05/24 10:02:49. Forecast: 15/05/24 to 21/05/24. Timezone: UTC+1.00