Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 1

Waning Gibbous 97%

23:36

06:24

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
16 Bad
17 Bad

Sun - Rise: 05:33, Set: 21:47, Transit: 13:40. Moon - Rise: 23:36, Set: 06:24. Civil Dark: 22:31 - 04:48. Nautical Dark: 23:35 - 03:43. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

89
90
94
95
100
100
100
100
100
100
100
100
100
100
100
99
93
100
96
100
100
100
100
100

Low Clouds (% Sky Obscured)

36
27
32
20
0
0
0
0
27
39
51
44
13
5
25
23
83
38
45
81
70
56
65
51

Medium Clouds (% Sky Obscured)

47
22
10
21
36
91
55
67
29
50
62
100
100
100
95
89
56
71
89
100
100
100
100
100

High Clouds (% Sky Obscured)

89
90
94
95
99
100
100
100
100
100
100
100
100
100
90
1
15
100
77
100
100
38
99
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
8
6
5
6
9
9
9
9
4
2
8
3
6
4

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

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
13
28
59
58
39
14
5
13
55
95
95
95
95
95
88

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.3
0.2
0
0
0
0
0
0.8
1.4
0.8
1
0.8
0.6

Wind Speed/Direction (mph)

7
7
6
5
7
6
6
6
7
8
8
9
10
10
9
10
12
14
14
10
9
11
13
12

Chance of Frost

Temperature (°C)

22
22
22
21
19
18
17
17
17
17
17
18
17
17
18
18
19
20
21
21
18
17
17
17

Feels Like (°C)

21
21
21
20
18
17
16
15
15
15
15
16
16
16
17
16
17
17
18
20
17
15
15
15

Dew Point (°C)

14
14
15
15
15
14
13
12
12
12
13
14
16
16
17
17
15
14
17
21
17
15
14
14

Relative Humidity (%)

61
62
66
71
75
74
73
73
73
73
78
79
90
90
92
92
78
67
77
95
92
87
82
83

Pressure (mb)

1014
1014
1013
1013
1013
1012
1012
1011
1010
1009
1008
1008
1007
1007
1007
1006
1006
1006
1006
1006
1006
1005
1005
1005

Ozone (du)

339
339
340
341
342
343
344
345
346
348
350
353
357
365
370
370
370
371
373
375
378
381
384
387

Tuesday 2

Waning Gibbous 93%

00:19

07:26

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
16 Bad
17 Bad

Sun - Rise: 05:32, Set: 21:48, Transit: 13:40. Moon - Rise: 00:19, Set: 07:26. Civil Dark: 22:32 - 04:47. Nautical Dark: 23:37 - 03:42. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
100
100
95
95
96
80
70
62
70
77
77
87
84
89
75
79
77
80
83
77
79
84
99

Low Clouds (% Sky Obscured)

47
46
55
31
26
31
37
59
53
70
75
75
78
83
67
49
53
59
69
74
50
54
46
35

Medium Clouds (% Sky Obscured)

100
95
51
38
42
34
29
17
8
0
0
0
6
3
7
7
14
18
16
32
36
40
62
58

High Clouds (% Sky Obscured)

100
100
99
91
91
71
0
1
0
0
0
0
0
0
0
2
2
1
1
6
17
9
9
93

ISS Passover

Visibility (miles)

5
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

Light Rain
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 (%)

78
43
7
1
0
0
0
0
0
0
0
1
2
1
9
26
23
20
12
8
5
6
16
5

Precipitation Amount (mm)

0.4
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
11
11
11
10
9
10
11
12
12
13
13
12
12
13
14
13
13
14
15
14
15
16
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
78
77
78
80
84
87
90
93
96
93
90
89
90
87
83
79
81
79
73
72
72
66
59

Pressure (mb)

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

Ozone (du)

388
396
399
400
401
401
402
402
402
403
404
399
391
383
376
369
365
363
361
357
354
353
352
353

Wednesday 3

Waning Gibbous 88%

00:51

08:35

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
16 Bad
17 Bad

Sun - Rise: 05:31, Set: 21:49, Transit: 13:41. Moon - Rise: 00:51, Set: 08:35. Civil Dark: 22:33 - 04:47. Nautical Dark: 23:39 - 03:41. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
86
70
95
100
100
100
100
100
100
84
54
51
46
69
75
83
92
94
100
100
100
100
99

Low Clouds (% Sky Obscured)

13
0
58
30
50
68
80
78
83
62
72
52
46
46
51
52
56
52
51
41
44
51
62
52

Medium Clouds (% Sky Obscured)

98
78
37
53
77
70
96
100
99
98
56
24
20
0
0
2
11
18
81
89
93
94
87
99

High Clouds (% Sky Obscured)

100
66
8
65
100
100
100
100
100
95
1
0
0
1
19
14
14
10
8
100
100
100
100
94

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
8
9
9
9
9
9
9
8
8
9
8
8
9
9
9
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
Very Light Rain
None
None
None
None
None
None
None
None
None
Very Light Rain
None
None
None
None
Light Rain

Precipitation Probability (%)

9
4
5
21
22
14
34
50
58
39
40
18
15
11
29
25
36
38
56
48
37
33
43
67

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.3
0
0
0
0
0
0
0
0
0
0.3
0
0
0
0
0.4

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

20
19
19
19
18
17
17
17
17
17
16
16
16
16
16
16
17
17
18
17
18
18
18
18

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

62
67
73
72
76
76
76
81
85
83
85
82
83
86
85
81
73
66
61
66
59
57
57
63

Pressure (mb)

1008
1007
1007
1006
1006
1005
1004
1004
1003
1003
1002
1002
1002
1003
1003
1003
1003
1003
1004
1004
1004
1004
1004
1004

Ozone (du)

352
352
352
350
350
353
352
352
355
364
377
391
393
394
392
392
388
386
384
383
384
384
384
382

Thursday 4

Waning Gibbous 81%

01:15

09:49

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
16 Bad
17 Bad

Sun - Rise: 05:31, Set: 21:50, Transit: 13:41. Moon - Rise: 01:15, Set: 09:49. Civil Dark: 22:35 - 04:46. Nautical Dark: 23:40 - 03:40. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

99
98
86
77
68
73
56
52
56
67
73
70
68
76
75
68
70
81
90
97
92
99
98
100

Low Clouds (% Sky Obscured)

44
41
49
51
60
61
56
52
56
67
73
70
68
64
58
51
50
62
70
76
63
67
39
42

Medium Clouds (% Sky Obscured)

99
98
86
77
68
73
5
2
2
3
4
10
17
20
20
19
22
34
39
57
46
51
57
74

High Clouds (% Sky Obscured)

89
84
61
38
25
15
0
0
0
0
0
0
0
0
0
0
0
0
0
0
31
62
97
99

ISS Passover

Visibility (miles)

9
3
3
4
8
9
9
9
9
9
9
9
9
9
9
9
9
9
9
6
4
3
4
4

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

Precipitation Probability (%)

91
95
95
95
59
4
2
0
5
6
3
8
9
5
7
6
5
29
54
81
83
83
79
71

Precipitation Amount (mm)

0.7
1.1
1.2
0.7
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.6
0.6
0.7
0.7
0.6

Wind Speed/Direction (mph)

14
13
11
11
12
11
13
13
13
13
13
13
13
13
13
13
13
13
12
12
12
11
8
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

75
83
93
93
90
93
90
93
93
93
93
93
93
92
86
83
76
74
74
68
73
72
77
74

Pressure (mb)

1004
1005
1005
1006
1006
1007
1007
1007
1008
1008
1008
1009
1010
1010
1011
1011
1012
1012
1013
1013
1013
1013
1014
1014

Ozone (du)

379
379
382
387
388
397
408
408
410
409
405
402
400
399
400
397
389
386
382
378
374
369
367
366

Friday 5

Waning Gibbous 72%

01:33

11:03

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
16 Bad
17 Bad

Sun - Rise: 05:30, Set: 21:51, Transit: 13:41. Moon - Rise: 01:33, Set: 11:03. Civil Dark: 22:36 - 04:45. Nautical Dark: 23:42 - 03:38. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

95
96
100
100
100
100
100
100
100
100
100
100
100
99
100
100
100
99
97
96
97
99
100
100

Low Clouds (% Sky Obscured)

35
39
40
33
27
6
2
12
30
28
16
10
20
20
2
2
2
17
33
48
53
57
60
64

Medium Clouds (% Sky Obscured)

56
90
100
52
75
72
79
65
100
99
100
100
96
99
98
99
100
99
97
96
97
99
100
85

High Clouds (% Sky Obscured)

95
96
100
100
100
100
100
100
100
100
100
70
40
10
100
100
100
67
33
0
33
68
100
69

ISS Passover

Visibility (miles)

6
7
5
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

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

Precipitation Probability (%)

67
55
45
19
2
0
0
0
0
0
0
5
9
11
17
22
24
27
29
29
37
39
47
64

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

6
4
3
4
4
4
3
3
3
2
2
2
3
3
3
4
4
5
6
7
9
10
12
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

78
75
81
82
83
87
87
87
87
86
84
84
87
87
86
80
76
73
66
59
53
55
57
59

Pressure (mb)

1014
1014
1015
1015
1015
1016
1016
1016
1016
1016
1016
1016
1017
1017
1017
1015
1015
1015
1014
1014
1013
1013
1012
1012

Ozone (du)

367
365
363
364
366
365
364
365
365
362
363
362
363
363
363
363
363
363
363
363
364
368
372
376

Saturday 6

Waning Gibbous 62%

01:48

12:18

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
16 Bad
17 Bad

Sun - Rise: 05:30, Set: 21:52, Transit: 13:41. Moon - Rise: 01:48, Set: 12:18. Civil Dark: 22:37 - 04:45. Nautical Dark: 23:43 - 03:37. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
100
87
74
61
62
64
66
74
80
86
79
70
62
67
74
80
87
94
100
95
90
86
77

Low Clouds (% Sky Obscured)

66
69
64
59
51
47
48
49
42
36
32
28
26
24
35
41
53
70
84
100
81
63
45
44

Medium Clouds (% Sky Obscured)

69
56
55
54
53
36
18
1
11
20
30
32
33
33
23
13
5
10
21
30
28
30
23
19

High Clouds (% Sky Obscured)

38
7
5
3
1
2
0
0
0
0
5
4
7
5
8
10
16
23
32
38
36
34
55
22

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

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

Precipitation Probability (%)

71
67
59
43
12
11
8
0
0
0
0
1
2
2
3
3
0
1
1
0
1
2
1
8

Precipitation Amount (mm)

0.4
0.3
0.2
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
11
10
10
9
9
9
9
9
9
9
9
9
9
9
10
11
12
12
11
11
10
9
9

Chance of Frost

Temperature (°C)

16
16
15
14
13
13
12
12
12
12
11
11
12
12
13
14
15
17
17
17
18
18
19
20

Feels Like (°C)

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

Dew Point (°C)

10
10
11
11
11
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10

Relative Humidity (%)

64
69
75
79
83
86
87
89
89
90
92
90
89
86
81
75
69
64
62
60
58
56
54
51

Pressure (mb)

1012
1012
1013
1014
1014
1015
1016
1016
1017
1017
1017
1018
1018
1019
1019
1019
1020
1020
1020
1021
1021
1021
1021
1021

Ozone (du)

377
379
380
381
383
384
379
375
370
370
369
369
367
365
363
362
361
361
361
361
361
360
360
359

Sunday 7

Waning Gibbous 52%

02:01

13:33

18 Bad
19 Bad
20 Bad
21 OK
22 OK
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

Sun - Rise: 05:29, Set: 21:52, Transit: 13:41. Moon - Rise: 02:01, Set: 13:33. Civil Dark: 22:38 - 04:44. Nautical Dark: 23:45 - 03:36. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

67
58
47
36
28
50
71
92
95
98
100
98
95
92
90
88
87
77
67
55

Low Clouds (% Sky Obscured)

44
42
35
23
15
19
18
18
37
56
75
64
56
52
65
77
85
77
67
55

Medium Clouds (% Sky Obscured)

16
13
8
6
4
17
29
44
48
56
55
50
30
21
17
15
12
13
14
15

High Clouds (% Sky Obscured)

21
4
4
5
5
30
54
76
80
88
98
89
83
71
69
59
50
43
40
44

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

11
12
15
12
2
4
3
0
12
15
11
25
35
45
46
47
47
38
29
15

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

20
19
19
18
17
16
15
15
14
15
15
15
15
15
16
17
18
20
21
21

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

55
59
64
66
69
72
73
75
76
76
76
75
75
77
77
72
66
61
60
57

Pressure (mb)

1021
1021
1021
1022
1022
1022
1022
1022
1022
1022
1022
1021
1022
1022
1022
1022
1022
1022
1022
1021

Ozone (du)

357
354
352
351
350
349
349
349
349
350
352
353
352
352
351
350
349
347
346
345

Forecast for Brussels, Bruxelles-Capitale, Kingdom of Belgium (50.85,4.35)

Generated: 01/06/26 18:23:34. Forecast: 01/06/26 to 07/06/26. Timezone: UTC+2.00