Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 3

Waning Gibbous 88%

00:15

07:49

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
16 Bad
17 Bad
18 Bad
19 Bad

Sun - Rise: 04:45, Set: 21:12, Transit: 12:59. Moon - Rise: 00:15, Set: 07:49. Civil Dark: 21:58 - 03:58. Nautical Dark: 23:09 - 02:47. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

85
74
86
73
83
57
97
92
81
87
100
99
76
93
100
100
84
83
79
66
72
73
56
43

Low Clouds (% Sky Obscured)

56
62
65
71
62
57
60
59
68
62
72
59
60
74
66
73
61
77
75
50
58
53
50
39

Medium Clouds (% Sky Obscured)

36
31
41
16
25
0
18
19
12
25
10
9
16
22
36
100
84
83
69
15
18
20
19
9

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
40
40
0
10
70
100
3
46
46
55
8
7
3
6

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

53
73
85
6
7
12
13
8
12
37
42
33
34
81
83
73
52
40
50
71
48
41
37
10

Precipitation Amount (mm)

0.4
0
0
0
0
0
0
0
0
0
0
0
0
0.6
0.4
0.4
0
0
0
0.4
0
0
0
0

Wind Speed/Direction (mph)

16
15
15
15
16
16
15
15
15
14
14
15
15
17
19
18
16
14
17
18
18
18
18
17

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

12
10
10
9
10
8
9
8
9
9
9
9
10
11
10
10
10
13
12
12
12
13
12
12

Dew Point (°C)

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

Relative Humidity (%)

87
90
93
93
93
90
89
87
87
87
86
87
86
75
70
78
86
82
64
68
64
67
72
79

Pressure (mb)

997
998
998
997
997
996
996
995
995
994
994
994
994
994
994
995
995
996
996
997
998
999
999
1000

Ozone (du)

394
399
399
400
402
404
406
407
408
408
407
408
410
411
407
400
399
401
401
401
402
403
403
402

Thursday 4

Waning Gibbous 81%

00:38

09:04

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

Sun - Rise: 04:44, Set: 21:13, Transit: 12:59. Moon - Rise: 00:38, Set: 09:04. Civil Dark: 22:00 - 03:57. Nautical Dark: 23:11 - 02:46. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

38
32
33
41
49
45
48
60
48
35
52
39
47
45
39
73
79
54
98
96
80
98
99
66

Low Clouds (% Sky Obscured)

38
31
32
39
46
45
45
48
48
10
13
35
44
45
27
23
1
1
85
0
21
66
38
23

Medium Clouds (% Sky Obscured)

3
3
7
11
7
3
3
11
3
13
22
0
5
3
3
28
44
45
48
55
44
50
44
22

High Clouds (% Sky Obscured)

3
4
3
2
0
0
0
0
1
1
2
2
2
2
39
50
40
35
5
1
3
2
21
47

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
3
0
0
0
0
2
3
0
0
0
0
0
0
0
2
2
0
0
0
1
0
5
6

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)

15
14
14
13
12
12
12
12
12
11
9
10
12
12
12
11
11
11
10
13
11
9
9
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

12
11
11
10
10
9
9
7
7
7
9
8
8
10
11
11
12
13
14
13
13
15
14
14

Dew Point (°C)

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

Relative Humidity (%)

82
84
86
89
90
90
92
84
83
87
85
76
66
60
56
52
48
47
45
46
52
48
55
61

Pressure (mb)

1001
1002
1003
1003
1004
1005
1006
1006
1007
1008
1009
1010
1010
1011
1011
1012
1012
1012
1012
1012
1012
1012
1012
1012

Ozone (du)

399
398
399
399
401
399
395
388
385
383
381
378
374
371
370
370
376
379
376
371
370
368
367
365

Friday 5

Waning Gibbous 72%

00:55

10:19

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
16 Bad
17 Bad
18 Bad
19 Bad

Sun - Rise: 04:43, Set: 21:14, Transit: 12:59. Moon - Rise: 00:55, Set: 10:19. Civil Dark: 22:01 - 03:56. Nautical Dark: 23:12 - 02:44. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

53
97
100
100
100
100
100
100
100
100
99
96
100
100
97
100
100
100
100
100
100
100
100
86

Low Clouds (% Sky Obscured)

9
0
1
5
10
23
37
77
78
75
56
54
52
63
68
86
100
95
90
87
87
88
88
77

Medium Clouds (% Sky Obscured)

0
0
0
22
100
100
100
100
100
98
89
42
57
99
97
96
100
50
69
84
49
51
62
69

High Clouds (% Sky Obscured)

53
97
100
100
100
100
100
100
76
89
1
0
71
50
40
100
77
82
85
90
60
30
10
5

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
6
9
9
3
9
7
5
7

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

Precipitation Probability (%)

1
0
0
0
1
4
19
26
37
36
21
17
22
47
70
75
40
37
84
95
58
61
62
44

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.5
0
0
0.6
1
0
0.2
0.3
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

8
7
7
7
6
6
7
8
8
8
8
8
9
9
10
12
12
12
13
14
15
15
15
15

Relative Humidity (%)

60
62
69
71
67
67
75
81
81
83
81
77
77
75
79
87
92
87
87
92
93
92
92
93

Pressure (mb)

1012
1012
1012
1012
1012
1012
1011
1010
1010
1009
1009
1008
1008
1007
1007
1006
1005
1005
1004
1003
1002
1002
1003
1004

Ozone (du)

366
366
368
368
367
369
369
371
373
371
372
375
376
379
380
387
389
392
399
402
402
400
394
394

Saturday 6

Waning Gibbous 62%

01:09

11:35

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
16 Bad
17 Bad
18 Bad
19 Bad

Sun - Rise: 04:43, Set: 21:15, Transit: 12:59. Moon - Rise: 01:09, Set: 11:35. Civil Dark: 22:02 - 03:56. Nautical Dark: 23:14 - 02:43. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

73
34
59
64
39
78
85
73
89
86
92
89
86
83
88
94
100
96
92
88
92
97
100
100

Low Clouds (% Sky Obscured)

69
34
55
54
36
49
47
40
51
60
68
62
55
52
65
75
78
64
56
53
42
40
34
46

Medium Clouds (% Sky Obscured)

26
0
1
2
3
18
32
32
52
21
15
20
56
24
24
34
93
92
75
88
92
96
100
100

High Clouds (% Sky Obscured)

0
0
0
0
0
2
11
8
21
22
30
44
57
62
74
86
100
84
60
40
58
79
100
89

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 (%)

22
12
9
13
0
0
0
0
4
6
6
8
5
0
7
15
24
31
35
35
31
24
6
24

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

12
11
12
10
8
9
8
7
7
8
8
9
10
12
14
14
14
14
14
14
15
14
15
14

Dew Point (°C)

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

Relative Humidity (%)

95
93
96
92
90
92
90
90
91
93
92
89
83
80
71
67
68
72
64
63
65
62
66
68

Pressure (mb)

1005
1007
1009
1010
1011
1012
1013
1014
1014
1015
1016
1016
1016
1017
1017
1017
1017
1017
1017
1016
1016
1016
1015
1015

Ozone (du)

399
395
384
382
379
374
371
371
369
367
365
362
360
360
360
360
361
361
362
363
365
365
365
368

Sunday 7

Waning Gibbous 52%

01:21

12:52

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
16 Bad
17 Bad
18 Bad
19 Bad

Sun - Rise: 04:42, Set: 21:16, Transit: 13:00. Moon - Rise: 01:21, Set: 12:52. Civil Dark: 22:03 - 03:55. Nautical Dark: 23:16 - 02:42. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
100
99
97
95
88
81
75
71
68
67
90
84
86
97
99
99
92
85
77
79
80
83
57

Low Clouds (% Sky Obscured)

57
66
71
73
76
74
73
71
69
67
65
80
68
57
60
64
68
60
52
45
39
38
37
27

Medium Clouds (% Sky Obscured)

99
100
91
93
90
62
63
50
50
37
45
70
49
20
20
19
14
17
15
18
30
43
46
52

High Clouds (% Sky Obscured)

78
68
47
19
15
2
20
0
0
0
0
22
47
75
72
67
59
39
20
1
5
13
26
37

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
4
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

41
64
83
95
95
78
54
10
9
32
39
82
68
48
38
28
19
15
11
0
3
7
9
12

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

73
75
78
80
84
86
83
84
86
84
89
89
83
78
71
64
56
51
49
49
47
52
59
64

Pressure (mb)

1015
1015
1015
1015
1014
1014
1014
1014
1014
1014
1014
1015
1014
1015
1015
1016
1016
1016
1017
1017
1017
1017
1017
1017

Ozone (du)

366
364
364
366
365
367
369
372
388
399
401
406
406
407
407
404
402
399
396
392
389
389
388
388

Monday 8

Third Quarter 41%

01:32

14:10

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

Sun - Rise: 04:42, Set: 21:17, Transit: 13:00. Moon - Rise: 01:32, Set: 14:10. Civil Dark: 22:04 - 03:55. Nautical Dark: 23:17 - 02:41. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

34
10
15
15
15
35
62
85
82
76
74
67
54
42
44
46
47
57
67
77
77
77
77
69

Low Clouds (% Sky Obscured)

15
5
4
2
1
14
27
43
55
62
70
61
51
42
30
21
13
22
35
44
38
30
27
25

Medium Clouds (% Sky Obscured)

34
10
15
15
15
35
62
71
51
31
10
7
4
2
5
6
6
9
10
11
12
11
9
14

High Clouds (% Sky Obscured)

34
10
15
15
15
13
16
13
13
14
11
15
26
23
17
15
13
22
33
39
41
41
40
28

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 (%)

12
10
7
3
0
0
0
0
3
5
5
3
1
0
1
6
9
13
14
7
16
19
20
17

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

11
11
11
10
10
9
7
8
7
8
7
7
10
10
10
11
11
12
14
14
14
14
14
15

Dew Point (°C)

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

Relative Humidity (%)

67
69
72
75
79
81
85
90
93
90
85
81
72
65
58
56
55
54
53
53
53
57
62
67

Pressure (mb)

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

Ozone (du)

391
394
397
401
404
408
408
407
407
402
398
393
385
377
368
364
360
355
353
350
348
347
346
345

Tuesday 9

Waning Crescent 30%

01:44

15:32

20 Bad
21 Bad
22 Bad
23 OK
00 OK
01 OK
02 OK
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad

Sun - Rise: 04:42, Set: 21:17, Transit: 13:00. Moon - Rise: 01:44, Set: 15:32. Civil Dark: 22:05 - 03:54. Nautical Dark: 23:19 - 02:40. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

59
53
48
42
37
36
40
49
63
70
75
60
51
52
58
68
81

Low Clouds (% Sky Obscured)

20
15
12
9
3
3
6
9
19
19
12
14
15
17
18
24
31

Medium Clouds (% Sky Obscured)

19
24
34
42
37
36
40
44
50
54
60
55
51
52
52
52
49

High Clouds (% Sky Obscured)

9
6
8
10
13
14
13
8
4
3
3
9
14
20
33
45
55

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

13
8
6
4
0
0
0
0
0
0
0
0
0
0
0
1
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

9
8
8
8
8
9
9
10
10
11
11
12
13
14
15
15
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

13
13
13
12
12
11
8
8
8
8
8
8
10
11
11
12
12

Dew Point (°C)

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

Relative Humidity (%)

69
71
75
79
81
84
83
80
77
77
77
76
69
63
56
54
52

Pressure (mb)

1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019

Ozone (du)

347
349
351
354
357
360
357
355
352
350
349
347
344
341
338
339
340

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

Generated: 03/06/26 20:47:39. Forecast: 03/06/26 to 09/06/26. Timezone: UTC+1.00