Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 16

New Moon 1%

05:31

21:41

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

Sun - Rise: 05:47, Set: 21:24, Transit: 13:36. Moon - Rise: 05:31, Set: 21:41. Civil Dark: 22:05 - 05:06. Nautical Dark: 23:00 - 04:11. Astro Dark: 00:20 - 02:48

Total Clouds (% Sky Obscured)

59
46
62
64
99
100
98
98
100
100
98
93
95
100
100
97
100
99
99
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
1
54
67
76
48
52
70
60
46
54
72
64
80
91
100
86
69
93
51
41
57
49

Medium Clouds (% Sky Obscured)

48
46
60
64
78
72
82
82
97
97
92
86
72
68
96
95
96
99
98
100
96
100
91
100

High Clouds (% Sky Obscured)

0
0
0
47
97
100
84
82
94
100
62
6
32
92
82
20
6
21
8
50
100
100
73
25

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
6
9
9
9
9
9
8
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
Very Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None

Precipitation Probability (%)

0
2
3
0
3
13
31
14
30
34
34
25
31
28
47
51
50
59
73
76
72
50
24
47

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

6
5
4
5
7
8
8
9
10
10
10
11
11
12
12
14
14
13
13
12
11
9
8
7

Chance of Frost

Temperature (°C)

10
8
7
8
8
8
8
8
8
8
9
10
11
11
12
12
12
13
13
13
12
12
12
12

Feels Like (°C)

9
8
6
6
5
5
5
5
4
5
5
6
7
8
8
9
8
9
9
9
9
9
10
10

Dew Point (°C)

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

Relative Humidity (%)

78
81
82
87
88
90
87
91
90
93
95
95
93
93
92
80
79
75
74
77
87
92
93
93

Pressure (mb)

1011
1012
1012
1012
1012
1012
1012
1011
1011
1011
1012
1012
1012
1012
1013
1013
1013
1013
1012
1012
1012
1012
1012
1012

Ozone (du)

396
396
394
392
391
390
388
385
384
385
387
389
395
397
396
392
389
387
385
387
391
395
399
401

Sunday 17

Waxing Crescent 5%

06:17

23:10

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
20 OK

Sun - Rise: 05:46, Set: 21:25, 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)

100
100
100
100
100
100
100
100
100
100
95
93
99
100
88
90
76
93
76
75
78
27
26
2

Low Clouds (% Sky Obscured)

54
45
59
70
55
22
14
34
46
61
86
74
50
59
52
70
55
52
61
55
60
25
25
1

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
89
93
99
100
88
87
74
90
64
64
62
24
1
1

High Clouds (% Sky Obscured)

20
20
22
100
74
100
100
100
100
74
19
14
44
100
20
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
3
2
4
9
9
9
9
9
9
9
7
5
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
Light Rain
Very Light Rain
None
None
None
Light Rain
None
None
None

Precipitation Probability (%)

55
52
67
70
76
95
95
84
22
7
4
2
38
50
54
75
58
52
44
55
57
39
35
18

Precipitation Amount (mm)

0
0
0
0.2
0.4
0.8
1.2
0.3
0
0
0
0
0
0
0
0.5
0.2
0
0
0
0.4
0
0
0

Wind Speed/Direction (mph)

7
7
7
7
6
6
5
9
7
4
7
9
9
10
9
9
10
10
8
8
8
6
6
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
93
95
95
95
96
98
96
95
91
93
91
87
80
71
65
68
74
83
79
84
84
76
83

Pressure (mb)

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

Ozone (du)

402
403
403
404
406
408
408
408
409
411
412
413
416
415
414
413
413
411
411
415
417
415
405
390

Monday 18

Waxing Crescent 11%

07:23

00:25

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

Sun - Rise: 05:45, Set: 21:27, 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)

1
2
1
10
30
27
30
40
58
65
72
96
87
98
99
99
100
100
100
100
100
100
99
90

Low Clouds (% Sky Obscured)

0
1
0
10
24
25
25
27
28
25
0
0
4
10
59
63
41
46
52
57
62
71
81
68

Medium Clouds (% Sky Obscured)

1
1
1
1
1
2
2
2
33
61
72
85
87
91
94
97
97
78
99
100
84
100
92
30

High Clouds (% Sky Obscured)

1
1
0
0
6
10
14
20
25
35
44
86
52
94
95
79
80
85
81
100
68
30
6
4

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
5
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
Very Light Rain
None
None
None
None
None
Light Rain
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
1
9
35
24
58
41
31
17
19
26
75
56
41

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0
0
0
0
0
0.8
0
0

Wind Speed/Direction (mph)

4
5
5
5
5
6
6
6
6
6
6
7
9
10
11
11
12
14
14
15
14
13
12
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

11
9
8
7
6
6
4
3
3
2
3
6
8
9
10
11
12
11
11
10
10
10
10
11

Dew Point (°C)

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

Relative Humidity (%)

90
93
93
91
93
94
94
94
94
93
93
90
88
86
89
87
92
92
90
90
90
90
93
92

Pressure (mb)

1016
1016
1016
1017
1017
1017
1017
1017
1016
1016
1016
1017
1017
1017
1017
1016
1016
1016
1016
1016
1016
1016
1016
1017

Ozone (du)

387
385
380
376
373
372
370
367
364
363
364
365
367
370
374
377
378
376
375
374
376
379
390
385

Tuesday 19

Waxing Crescent 21%

08:44

01:20

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
20 Bad

Sun - Rise: 05:43, Set: 21:28, 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)

93
99
98
97
87
75
62
52
56
65
69
80
91
100
100
100
100
100
100
100
99
98
97
94

Low Clouds (% Sky Obscured)

58
51
65
72
83
72
62
52
56
62
65
55
45
35
37
39
42
55
69
82
73
64
49
36

Medium Clouds (% Sky Obscured)

29
29
33
97
26
19
8
3
3
0
0
1
3
10
21
37
99
38
46
92
75
95
85
45

High Clouds (% Sky Obscured)

11
30
30
0
0
0
0
0
0
0
0
33
67
100
100
100
100
100
100
100
68
37
10
5

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
6
5
6
5
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
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None

Precipitation Probability (%)

29
21
18
22
31
28
24
11
9
8
4
0
6
18
13
27
48
64
69
69
59
26
14
10

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.3
0.4
0.4
0.2
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
93
93
92
92
92
93
95
96
96
95
93
93
92
89
83
74
72
77
78
78
81
81
81

Pressure (mb)

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

Ozone (du)

378
379
380
380
380
380
382
379
372
369
364
361
360
360
359
358
358
359
356
355
354
350
350
351

Wednesday 20

Waxing Crescent 31%

10:11

01:57

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

Sun - Rise: 05:42, Set: 21:30, 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)

91
88
81
73
67
55
46
41
35
37
42
62
62
62
71
77
84
85
86
87
65
46
34
35

Low Clouds (% Sky Obscured)

22
9
6
3
0
0
0
0
0
0
0
10
20
30
31
32
32
27
22
15
18
21
24
17

Medium Clouds (% Sky Obscured)

36
70
26
25
67
55
46
41
35
37
42
43
36
36
32
26
18
11
7
2
4
5
5
4

High Clouds (% Sky Obscured)

5
5
0
0
0
1
2
3
2
1
0
7
3
0
0
0
0
21
42
69
50
33
16
14

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 (%)

6
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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)

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

Chance of Frost

Temperature (°C)

14
13
12
12
11
11
11
10
10
10
11
12
14
16
17
18
19
20
20
21
21
20
20
19

Feels Like (°C)

13
11
11
9
9
9
8
8
8
8
8
10
11
12
12
13
13
14
19
18
18
18
18
18

Dew Point (°C)

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

Relative Humidity (%)

86
92
93
93
96
95
95
96
96
95
91
87
79
74
68
64
61
58
57
57
56
62
68
75

Pressure (mb)

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

Ozone (du)

351
349
348
347
347
346
344
343
342
343
343
342
341
340
338
338
338
338
337
336
335
334
332
331

Thursday 21

Waxing Crescent 42%

11:37

02:22

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

Sun - Rise: 05:41, Set: 21:31, 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)

34
31
26
22
16
33
47
59
55
52
45
29
15
1
6
11
16
17
21
23
22
21
19
45

Low Clouds (% Sky Obscured)

9
1
4
4
4
3
1
0
0
0
0
0
0
0
5
9
11
12
13
15
11
8
4
3

Medium Clouds (% Sky Obscured)

3
2
1
0
0
0
0
0
1
1
2
1
1
0
0
0
0
0
0
0
0
1
1
18

High Clouds (% Sky Obscured)

13
10
8
9
8
29
47
59
55
43
30
21
11
1
2
2
3
4
6
8
15
18
19
45

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
2
1
0
0
0
0
0
0
0
0
0
0
0
1
1
0
2
1
0
2
1
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
3
3
2
3
3
3
4
4
4
4
4
5
5
6
6
6
7
7
7
7
7
6
5

Chance of Frost

Temperature (°C)

17
15
13
13
13
13
12
12
12
13
14
15
17
18
20
21
23
24
24
24
25
24
24
24

Feels Like (°C)

18
18
17
17
16
16
13
13
13
13
13
13
17
17
18
19
20
21
26
26
25
25
26
26

Dew Point (°C)

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

Relative Humidity (%)

78
82
86
87
87
89
89
89
90
86
82
78
72
64
58
55
53
50
50
51
50
56
61
67

Pressure (mb)

1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1025
1024
1024
1023
1023
1022
1022
1021
1021

Ozone (du)

332
333
335
336
338
339
338
337
336
336
335
335
334
334
334
333
333
332
332
331
331
332
332
333

Friday 22

Waxing Crescent 53%

12:59

02:40

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

Sun - Rise: 05:40, Set: 21:32, 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)

68
91
94
97
100
95
91
86
91
95
100
94
88
80
65
52
35

Low Clouds (% Sky Obscured)

1
0
0
0
0
0
0
0
1
2
3
6
8
10
20
31
35

Medium Clouds (% Sky Obscured)

34
45
32
18
5
23
33
39
40
48
55
65
64
64
51
38
25

High Clouds (% Sky Obscured)

68
91
94
97
100
95
91
86
89
79
68
49
31
47
34
20
0

ISS Passover

Visibility (miles)

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

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 (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
17
28
34

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

5
4
4
4
5
5
5
5
6
5
5
5
5
6
6
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

24
24
24
22
20
20
15
15
15
14
14
15
18
19
19
19
21

Dew Point (°C)

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

Relative Humidity (%)

71
74
77
78
79
81
80
82
82
82
81
81
76
71
67
65
62

Pressure (mb)

1021
1021
1021
1021
1021
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020

Ozone (du)

333
334
335
335
336
336
339
343
346
347
348
349
349
350
351
352
353

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

Generated: 16/05/26 21:47:48. Forecast: 16/05/26 to 22/05/26. Timezone: UTC+2.00