Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 19

Waxing Crescent 11%

08:44

01:20

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
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad

Sun - Rise: 05:43, Set: 21:28, Transit: 13:36. 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)

96
96
96
100
98
100
100
100
100
100
98
100
100
100
90
98
95
95
98
100
87
90
84
97

Low Clouds (% Sky Obscured)

71
63
56
55
64
81
97
95
84
78
53
68
75
69
68
59
88
85
75
87
55
62
64
55

Medium Clouds (% Sky Obscured)

85
91
89
82
85
100
93
83
100
100
96
99
95
100
73
93
89
63
94
79
50
43
37
57

High Clouds (% Sky Obscured)

57
35
29
46
39
91
91
100
100
100
75
92
94
100
8
1
7
2
34
0
1
0
2
2

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

11
20
31
38
54
56
59
48
66
24
4
2
29
68
48
38
72
65
39
66
63
46
50
50

Precipitation Amount (mm)

0
0
0
0
0
0
0.2
0
0.3
0
0
0
0
0.4
0
0
0.4
0.4
0
0.5
0.4
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

9
10
10
10
11
11
11
10
10
9
9
9
9
9
9
9
9
10
10
9
10
10
11
11

Dew Point (°C)

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

Relative Humidity (%)

76
80
78
76
79
87
90
89
89
92
90
92
92
92
92
90
93
93
95
95
96
93
89
87

Pressure (mb)

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

Ozone (du)

373
375
371
370
368
367
364
363
363
365
366
369
371
379
377
375
374
375
377
382
379
377
373
369

Wednesday 20

Waxing Crescent 21%

10:11

01:57

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
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 OK
06 OK
07 Bad
08 Bad
09 Bad
10 Bad

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)

86
88
89
87
98
54
30
41
54
43
98
96
68
100
100
100
58
48
41
38
85
100
100
98

Low Clouds (% Sky Obscured)

80
54
51
73
76
48
30
41
38
0
0
0
24
33
44
45
43
45
37
35
18
3
18
33

Medium Clouds (% Sky Obscured)

38
43
49
25
65
6
0
0
32
15
7
31
25
26
14
12
6
1
1
0
0
0
24
2

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
24
97
84
0
100
100
100
17
1
17
22
78
100
100
97

ISS Passover

Visibility (miles)

8
6
8
5
8
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
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

79
80
77
68
30
42
32
19
4
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.4
0.4
0.4
0.4
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
16
17
17
17
16
15
14
14
12
9
7
7
7
8
8
8
8
8
7
7
8
9
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

76
74
74
73
79
78
67
70
68
72
78
90
95
96
96
96
96
96
95
96
93
90
83
75

Pressure (mb)

1020
1020
1021
1021
1021
1022
1022
1022
1022
1023
1024
1025
1025
1026
1026
1026
1026
1027
1027
1027
1028
1028
1028
1028

Ozone (du)

368
369
370
369
367
370
368
363
355
350
347
344
343
342
342
342
341
340
339
336
335
334
333
334

Thursday 21

Waxing Crescent 31%

No Rise

02:22

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

Sun - Rise: 05:41, Set: 21:31, Transit: 13:37. Moon - Rise: No Rise, 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)

98
86
77
57
95
57
63
37
35
9
10
14
3
27
4
10
13
62
30
17
25
19
13
8

Low Clouds (% Sky Obscured)

26
43
57
4
35
12
30
22
15
4
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

20
24
35
36
56
35
35
14
21
0
0
0
0
0
0
0
0
8
0
5
0
4
0
0

High Clouds (% Sky Obscured)

95
59
10
16
86
16
12
4
1
9
10
14
3
23
4
10
13
39
27
12
23
18
13
7

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
1
17
6
12
3
1
0
1
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
9
8
8
7
5
5
4
3
3
4
3
2
2
2
2
3
3
4
4
4
3
3
4

Chance of Frost

Temperature (°C)

17
19
20
21
21
22
22
22
22
21
19
17
16
15
15
14
14
13
12
12
13
15
17
20

Feels Like (°C)

15
17
18
19
20
21
21
21
22
23
19
16
16
17
16
16
13
12
12
12
13
17
19
21

Dew Point (°C)

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

Relative Humidity (%)

70
67
62
61
59
65
56
57
63
70
75
76
81
82
82
83
83
86
87
86
84
78
71
67

Pressure (mb)

1028
1028
1028
1028
1028
1028
1027
1027
1027
1027
1027
1028
1028
1028
1028
1028
1028
1028
1028
1028
1028
1028
1029
1029

Ozone (du)

334
334
334
334
333
334
333
331
331
331
329
329
329
327
327
327
328
328
328
329
333
336
338
339

Friday 22

Waxing Crescent 42%

11:37

02:40

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

Sun - Rise: 05:40, Set: 21:32, Transit: 13:37. Moon - Rise: 11:37, 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)

12
16
20
28
36
49
38
32
28
20
13
9
6
4
2
17
38
39
49
59
66
77
73
51

Low Clouds (% Sky Obscured)

7
15
20
28
36
43
38
28
20
14
9
3
2
1
0
0
0
0
0
0
0
0
0
0

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
2

High Clouds (% Sky Obscured)

5
2
0
2
2
16
6
12
23
10
5
6
5
3
2
17
32
39
49
59
66
73
63
51

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)

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

Chance of Frost

Temperature (°C)

22
23
23
24
25
25
25
25
25
24
22
20
19
18
17
16
16
15
15
15
16
18
20
21

Feels Like (°C)

23
24
25
26
26
27
26
27
26
25
23
21
20
19
18
18
17
15
15
16
16
19
19
21

Dew Point (°C)

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

Relative Humidity (%)

62
57
54
51
51
52
53
54
64
71
76
80
81
82
86
89
89
87
83
83
81
77
69
65

Pressure (mb)

1029
1028
1028
1028
1027
1027
1027
1026
1026
1026
1026
1026
1026
1026
1026
1026
1025
1025
1025
1024
1024
1024
1024
1024

Ozone (du)

341
342
342
341
341
340
340
338
337
336
335
333
333
334
335
335
333
333
334
335
336
335
335
335

Saturday 23

First Quarter 53%

12:59

02:54

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

Sun - Rise: 05:39, Set: 21:34, Transit: 13:37. Moon - Rise: 12:59, 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)

48
90
82
99
99
90
60
48
69
63
59
50
39
56
46
40
32
26
24
19
14
18
22
25

Low Clouds (% Sky Obscured)

0
0
0
8
16
24
18
8
0
8
15
21
13
10
1
3
5
7
5
2
0
0
0
0

Medium Clouds (% Sky Obscured)

3
2
19
50
60
45
6
14
23
19
17
14
17
21
23
21
19
16
14
12
7
7
6
4

High Clouds (% Sky Obscured)

48
83
82
98
97
90
60
33
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1

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
2
6
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)

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

Chance of Frost

Temperature (°C)

23
24
25
26
26
26
26
26
26
24
21
19
18
17
16
16
15
15
14
15
16
17
18
20

Feels Like (°C)

24
26
26
28
27
28
27
28
28
25
21
18
18
18
16
17
16
16
16
16
15
15
19
20

Dew Point (°C)

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

Relative Humidity (%)

60
57
54
52
50
50
50
52
61
68
79
88
90
92
92
93
93
95
95
90
89
86
81
75

Pressure (mb)

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

Ozone (du)

334
332
333
332
332
331
330
329
330
333
338
342
345
348
350
352
347
343
338
336
333
331
330
329

Sunday 24

Waxing Gibbous 64%

14:17

03:07

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

Sun - Rise: 05:38, Set: 21:35, Transit: 13:37. Moon - Rise: 14:17, Set: 03:07. Civil Dark: 22:17 - 04:55. Nautical Dark: 23:17 - 03:55. Astro Dark: 01:05 - 01:58

Total Clouds (% Sky Obscured)

27
29
31
28
29
29
36
42
48
41
34
27
19
11
3
8
12
19
16
13
9
6
3
0

Low Clouds (% Sky Obscured)

0
0
0
6
12
19
15
11
7
7
8
8
6
3
1
1
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

3
1
0
0
0
0
1
2
4
4
3
2
2
1
0
1
1
1
1
1
0
0
0
0

High Clouds (% Sky Obscured)

1
2
7
6
6
4
11
19
26
21
16
11
8
5
2
8
9
13
13
10
6
3
1
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
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
3
2
0
1
1
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)

5
5
6
6
6
6
6
6
6
5
5
5
5
5
5
5
5
5
4
5
6
6
7
7

Chance of Frost

Temperature (°C)

22
23
24
25
25
26
26
25
25
24
23
21
19
18
17
16
16
15
15
15
16
17
18
20

Feels Like (°C)

20
21
22
22
27
26
26
27
28
28
24
24
23
22
21
21
17
16
16
16
15
15
19
20

Dew Point (°C)

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

Relative Humidity (%)

70
67
63
61
59
57
56
60
66
72
75
77
81
83
86
89
89
89
90
87
83
81
76
71

Pressure (mb)

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

Ozone (du)

327
327
326
325
325
324
323
322
321
319
319
318
317
315
314
312
312
312
312
312
311
311
312
312

Monday 25

Waxing Gibbous 74%

15:31

03:19

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

Sun - Rise: 05:37, Set: 21:36, Transit: 13:37. Moon - Rise: 15:31, Set: 03:19. Civil Dark: 22:19 - 04:54. Nautical Dark: 23:19 - 03:53. Astro Dark: 01:15 - N/A

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
9
18
27
27
28
29
20
12
4

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
3
5
4
2
0

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

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
9
18
27
27
28
29
20
12
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

Fog (%)

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

Precipitation Probability (%)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

21
23
24
25
26
27
27
27
26
26
24
22
20
19
18
17
16
16
15
16
17

Feels Like (°C)

20
21
22
23
29
29
30
30
30
30
28
27
27
26
24
23
17
17
17
16
16

Dew Point (°C)

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

Relative Humidity (%)

66
63
59
56
54
53
52
56
62
67
71
74
78
81
82
85
85
85
86
83
79

Pressure (mb)

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

Ozone (du)

312
312
312
311
313
314
316
316
316
315
316
316
317
316
314
313
312
312
311
311
311

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

Generated: 19/05/26 11:17:21. Forecast: 19/05/26 to 25/05/26. Timezone: UTC+2.00