Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 17

Waxing Crescent 5%

06:17

23:10

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
20 Bad
21 OK

Sun - Rise: 05:46, Set: 21:27, Transit: 13:36. Moon - Rise: 06:17, Set: 23:10. Civil Dark: 22:06 - 05:05. Nautical Dark: 23:02 - 04:08. Astro Dark: 00:25 - 02:43

Total Clouds (% Sky Obscured)

84
88
90
100
100
100
100
100
100
100
100
100
100
95
83
79
91
93
92
100
74
66
57
19

Low Clouds (% Sky Obscured)

81
82
79
78
81
70
53
41
41
66
51
46
46
50
45
73
81
83
84
60
51
35
0
0

Medium Clouds (% Sky Obscured)

84
88
90
100
100
100
100
100
100
100
100
100
98
87
68
19
55
51
54
100
54
40
51
19

High Clouds (% Sky Obscured)

53
88
86
87
99
100
100
100
100
100
100
100
100
20
1
0
0
0
0
0
0
8
3
5

ISS Passover

Visibility (miles)

4
9
8
6
3
6
3
5
8
9
9
9
9
9
9
8
8
6
6
7
8
5
7
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
Very Light Rain
None
Very Light Rain
Very Light Rain
Light Rain
Very Light Rain
Very Light Rain
None
None

Precipitation Probability (%)

95
95
95
95
95
95
93
67
39
7
1
2
21
28
38
61
59
68
65
89
70
60
33
2

Precipitation Amount (mm)

1.1
1.1
0.7
0.7
0.8
0.6
0.7
0.2
0
0
0
0
0
0
0
0.3
0
0.3
0.2
0.9
0.3
0.2
0
0

Wind Speed/Direction (mph)

1
1
1
5
5
5
6
6
7
7
9
10
10
11
11
11
12
12
12
10
10
8
7
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
96
96
96
96
96
96
96
95
93
93
88
81
72
63
58
58
61
73
73
74
82
87
90

Pressure (mb)

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

Ozone (du)

408
409
411
412
411
412
413
413
412
412
413
415
420
421
422
421
419
419
415
410
393
384
383
383

Monday 18

Waxing Crescent 11%

07:23

00:25

22 OK
23 OK
00 Good
01 OK
02 OK
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

Sun - Rise: 05:45, Set: 21:28, Transit: 13:36. Moon - Rise: 07:23, Set: 00:25. Civil Dark: 22:08 - 05:03. Nautical Dark: 23:04 - 04:06. Astro Dark: 00:29 - 02:39

Total Clouds (% Sky Obscured)

18
19
1
29
32
46
67
100
100
100
100
91
92
96
100
100
100
100
100
100
100
97
97
96

Low Clouds (% Sky Obscured)

17
19
0
0
0
1
0
1
1
0
0
21
30
47
64
69
60
57
64
79
89
70
64
44

Medium Clouds (% Sky Obscured)

7
7
1
21
21
33
48
46
67
82
87
84
92
96
100
63
87
100
91
35
100
96
96
55

High Clouds (% Sky Obscured)

2
2
1
4
15
18
22
100
100
100
100
54
14
11
100
100
100
90
78
80
49
12
17
0

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

Precipitation Probability (%)

0
1
0
1
2
0
0
0
0
0
5
10
22
9
41
69
74
71
57
45
37
27
14
33

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
93
93
95
93
94
96
96
95
95
93
88
86
83
84
83
83
84
90
90
87
87
86
89

Pressure (mb)

1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1015
1015
1016
1016
1016

Ozone (du)

377
375
373
372
369
367
364
362
361
361
362
362
364
367
372
375
378
376
378
375
373
371
371
373

Tuesday 19

Waxing Crescent 21%

08:44

01:20

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
20 Bad
21 Bad

Sun - Rise: 05:43, Set: 21:30, Transit: 13:37. Moon - Rise: 08:44, Set: 01:20. Civil Dark: 22:10 - 05:02. Nautical Dark: 23:06 - 04:04. Astro Dark: 00:34 - 02:34

Total Clouds (% Sky Obscured)

92
97
96
95
81
96
69
80
82
77
95
97
99
97
93
99
92
100
74
94
94
85
89
85

Low Clouds (% Sky Obscured)

40
49
57
59
54
61
50
51
38
42
61
44
54
61
59
83
92
81
43
56
42
25
21
18

Medium Clouds (% Sky Obscured)

77
94
63
61
67
67
36
48
75
39
70
57
93
71
42
44
34
34
22
27
23
17
22
22

High Clouds (% Sky Obscured)

0
0
1
10
10
15
0
1
4
16
0
0
0
0
12
35
4
2
0
2
11
6
35
54

ISS Passover

Visibility (miles)

5
7
7
9
9
9
9
9
9
9
9
9
9
9
9
9
5
7
9
8
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
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
Very Light Rain
Very Light Rain
None
None
None
None
None
None

Precipitation Probability (%)

44
95
60
30
9
5
4
1
1
2
8
24
29
32
35
46
60
55
43
44
13
12
7
4

Precipitation Amount (mm)

0
1.6
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.3
0.2
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

92
93
95
92
93
90
93
93
93
92
90
87
80
71
68
70
75
73
79
73
77
78
82
89

Pressure (mb)

1016
1016
1017
1017
1017
1018
1018
1019
1019
1020
1020
1021
1021
1022
1022
1022
1023
1023
1023
1024
1024
1024
1025
1025

Ozone (du)

378
378
376
375
376
380
379
380
380
377
374
375
376
373
367
362
360
358
356
353
349
345
343
342

Wednesday 20

Waxing Crescent 31%

10:11

01:57

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

Sun - Rise: 05:42, Set: 21:31, Transit: 13:37. Moon - Rise: 10:11, Set: 01:57. Civil Dark: 22:11 - 05:00. Nautical Dark: 23:09 - 04:02. Astro Dark: 00:39 - 02:28

Total Clouds (% Sky Obscured)

86
65
46
21
37
72
100
80
61
41
61
80
99
96
91
83
72
58
42
44
50
44
23
13

Low Clouds (% Sky Obscured)

14
11
5
0
0
0
0
0
0
0
13
27
42
38
34
30
28
26
24
23
23
22
15
7

Medium Clouds (% Sky Obscured)

23
16
9
2
2
2
2
2
1
0
7
73
29
52
22
20
16
9
0
3
7
9
6
3

High Clouds (% Sky Obscured)

76
60
45
21
30
72
100
80
61
41
61
80
99
80
59
39
27
15
4
3
1
0
1
2

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 (%)

1
3
4
1
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)

8
8
8
8
8
7
7
7
6
6
7
7
7
7
7
6
6
5
4
3
2
3
3
3

Chance of Frost

Temperature (°C)

14
13
13
12
12
11
11
11
11
12
13
14
16
18
19
20
21
21
22
22
22
21
20
18

Feels Like (°C)

14
13
12
11
10
11
9
9
10
11
12
13
15
16
17
19
21
20
21
22
22
22
21
19

Dew Point (°C)

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

Relative Humidity (%)

93
95
93
95
95
95
95
95
95
95
89
82
77
68
63
58
56
54
54
53
55
62
70
74

Pressure (mb)

1026
1026
1027
1027
1027
1027
1027
1028
1028
1028
1029
1029
1029
1029
1029
1029
1029
1029
1029
1028
1028
1028
1028
1028

Ozone (du)

339
338
336
336
335
334
334
333
333
334
334
333
332
330
330
332
331
330
329
328
328
327
327
325

Thursday 21

Waxing Crescent 42%

11:37

02:22

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

Sun - Rise: 05:41, Set: 21:32, Transit: 13:37. Moon - Rise: 11:37, Set: 02:22. Civil Dark: 22:13 - 04:59. Nautical Dark: 23:11 - 04:00. Astro Dark: 00:45 - 02:22

Total Clouds (% Sky Obscured)

5
6
17
8
14
22
47
56
49
39
9
6
5
27
48
63
51
36
30
38
44
55
54
53

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
2
6
10
13
15
16
17
12
6

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)

3
4
6
6
14
22
39
30
22
13
9
6
4
27
48
63
51
36
30
38
44
55
54
53

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)

3
4
4
4
3
4
4
4
5
4
4
4
5
6
6
6
6
6
6
5
4
4
4
4

Chance of Frost

Temperature (°C)

16
15
14
13
13
12
12
12
12
13
15
18
20
21
23
24
24
25
25
26
25
24
23
21

Feels Like (°C)

17
16
15
13
14
13
13
11
10
12
14
19
21
23
24
25
26
26
27
27
27
27
27
25

Dew Point (°C)

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

Relative Humidity (%)

77
80
83
84
86
86
87
87
87
83
78
70
67
62
59
56
52
51
49
48
54
60
67
72

Pressure (mb)

1029
1029
1029
1029
1029
1029
1028
1028
1028
1028
1028
1028
1028
1028
1028
1027
1027
1027
1026
1026
1025
1025
1025
1025

Ozone (du)

324
324
325
327
330
332
332
332
332
333
332
332
331
331
331
332
332
332
331
331
331
330
330
330

Friday 22

Waxing Crescent 53%

12:59

02:40

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

Sun - Rise: 05:40, Set: 21:34, Transit: 13:37. Moon - Rise: 12:59, Set: 02:40. Civil Dark: 22:14 - 04:58. Nautical Dark: 23:13 - 03:59. Astro Dark: 00:51 - 02:16

Total Clouds (% Sky Obscured)

48
50
52
54
62
57
47
59
67
71
58
50
42
53
60
63
67
67
63
71
77
85
67
52

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
2
4
7
12
10
6
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
2
4
7
7
7
7
12
5
4
3
1
0
0
0

High Clouds (% Sky Obscured)

48
50
52
54
62
57
47
53
52
55
44
33
22
31
44
56
47
43
33
49
66
83
67
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
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)

4
4
4
4
3
4
4
5
4
4
4
4
5
5
5
4
4
3
3
4
5
7
8
8

Chance of Frost

Temperature (°C)

19
18
17
16
15
15
15
15
16
17
19
20
22
24
25
26
27
27
27
27
26
26
25
23

Feels Like (°C)

24
24
23
22
21
17
17
17
17
17
17
21
22
22
24
24
25
29
29
29
29
29
29
24

Dew Point (°C)

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

Relative Humidity (%)

76
81
81
82
83
85
83
85
81
78
75
69
65
60
58
54
50
50
49
48
54
59
65
67

Pressure (mb)

1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1024
1024
1024
1024
1024
1025
1025

Ozone (du)

329
329
329
328
327
326
324
323
323
322
322
322
322
321
321
321
321
322
323
324
324
325
325
327

Saturday 23

First Quarter 64%

14:17

02:54

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

Sun - Rise: 05:39, Set: 21:35, Transit: 13:37. Moon - Rise: 14:17, Set: 02:54. Civil Dark: 22:16 - 04:56. Nautical Dark: 23:15 - 03:57. Astro Dark: 00:58 - 02:08

Total Clouds (% Sky Obscured)

42
45
48
56
62
64
67
70
75
79
63
47
29
26
24
22
16
11
5
4
4
3

Low Clouds (% Sky Obscured)

0
1
2
3
13
22
32
36
41
48
42
29
20
17
16
12
9
6
2
1
1
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

30
32
30
27
22
40
45
44
43
61
45
27
5
4
4
4
5
5
5
4
4
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

Fog (%)

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

Precipitation Probability (%)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

21
19
18
17
16
16
15
15
15
15
16
17
19
20
22
23
24
24
24
24
23
22

Feels Like (°C)

24
23
22
21
20
15
15
15
15
14
13
16
17
17
18
20
21
25
24
24
24
24

Dew Point (°C)

15
14
14
14
14
14
14
14
14
14
14
14
14
15
15
15
15
16
16
15
15
15

Relative Humidity (%)

70
73
77
81
86
89
92
95
92
90
87
81
76
70
65
61
58
58
58
57
59
63

Pressure (mb)

1025
1026
1026
1026
1027
1027
1027
1027
1027
1028
1028
1028
1028
1029
1029
1028
1028
1028
1028
1028
1028
1028

Ozone (du)

329
331
331
332
333
332
332
332
333
333
334
332
329
327
325
323
322
321
321
320
319
318

Forecast for Elst, Flemish Brabant, Kingdom of Belgium (50.77,4.89)

Generated: 17/05/26 22:03:16. Forecast: 17/05/26 to 23/05/26. Timezone: UTC+2.00