Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 20

Waxing Crescent 21%

10:13

01:59

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

Sun - Rise: 05:44, Set: 21:32, Transit: 13:39. Moon - Rise: 10:13, Set: 01:59. Civil Dark: 22:14 - 05:02. Nautical Dark: 23:12 - 04:04. Astro Dark: 00:44 - 02:28

Total Clouds (% Sky Obscured)

96
97
88
74
76
69
77
87
90
98
100
28
37
96
78
98
76
100
100
41
38
31
65
58

Low Clouds (% Sky Obscured)

53
35
63
42
57
24
40
33
36
26
23
28
32
32
27
32
22
0
4
7
3
28
65
56

Medium Clouds (% Sky Obscured)

28
26
39
26
32
26
33
48
52
21
2
0
0
0
4
9
0
44
50
6
0
3
47
0

High Clouds (% Sky Obscured)

0
0
0
0
71
30
10
2
0
95
100
11
10
91
50
79
67
91
100
40
38
16
15
20

ISS Passover

Visibility (miles)

7
8
8
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
7
0
5
3
1
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)

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

Chance of Frost

Temperature (°C)

17
18
18
19
19
17
16
16
15
15
14
13
12
12
11
11
10
11
12
14
15
17
19
20

Feels Like (°C)

14
14
15
16
17
15
15
14
15
15
12
11
10
10
11
11
10
9
11
12
13
16
18
19

Dew Point (°C)

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

Relative Humidity (%)

74
73
78
65
63
66
73
80
89
92
93
93
93
93
93
95
93
90
84
78
72
66
62
59

Pressure (mb)

1021
1021
1022
1022
1022
1023
1023
1024
1025
1026
1026
1026
1027
1027
1027
1027
1028
1028
1028
1029
1029
1029
1029
1029

Ozone (du)

367
364
359
358
352
347
345
344
342
340
340
340
340
338
337
336
333
334
332
332
332
332
331
330

Thursday 21

Waxing Crescent 31%

11:39

02:24

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

Sun - Rise: 05:43, Set: 21:33, Transit: 13:39. Moon - Rise: 11:39, Set: 02:24. Civil Dark: 22:15 - 05:01. Nautical Dark: 23:14 - 04:02. Astro Dark: 00:49 - 02:22

Total Clouds (% Sky Obscured)

70
79
67
75
37
13
13
11
90
9
5
7
2
92
76
100
100
64
2
3
3
7
26
38

Low Clouds (% Sky Obscured)

56
37
29
36
21
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
22
38

Medium Clouds (% Sky Obscured)

8
22
19
21
11
3
0
0
0
0
0
0
0
0
0
7
0
0
0
2
1
0
0
0

High Clouds (% Sky Obscured)

18
17
19
15
5
13
12
11
90
4
3
7
2
92
76
99
98
64
2
3
3
7
3
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
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)

6
5
5
4
2
1
2
3
3
3
2
3
3
4
5
5
5
4
5
5
5
5
5
6

Chance of Frost

Temperature (°C)

21
22
22
22
22
22
22
20
18
17
15
15
14
14
13
13
12
13
16
19
20
22
23
24

Feels Like (°C)

20
20
21
22
22
22
22
21
19
17
15
16
15
14
12
11
11
13
15
18
20
23
24
25

Dew Point (°C)

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

Relative Humidity (%)

56
54
53
54
54
56
67
70
76
78
78
79
82
83
86
87
87
86
80
76
67
62
56
54

Pressure (mb)

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

Ozone (du)

329
331
331
329
328
327
326
326
326
327
327
327
327
326
326
325
325
327
330
331
333
334
336
338

Friday 22

Waxing Crescent 42%

13:01

02:42

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

Sun - Rise: 05:42, Set: 21:35, Transit: 13:39. Moon - Rise: 13:01, Set: 02:42. Civil Dark: 22:17 - 04:59. Nautical Dark: 23:16 - 04:00. Astro Dark: 00:56 - 02:15

Total Clouds (% Sky Obscured)

48
42
35
37
40
33
11
8
36
3
11
0
10
5
9
30
55
28
39
55
68
94
91
75

Low Clouds (% Sky Obscured)

43
37
35
35
34
24
6
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
5
6

Medium Clouds (% Sky Obscured)

0
0
0
0
5
12
3
0
28
2
7
0
0
0
0
0
9
10
9
7
7
7
8
6

High Clouds (% Sky Obscured)

4
2
0
0
0
0
2
8
3
0
0
0
10
5
9
30
55
14
39
55
68
94
90
74

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
4
4
4
4
5
4
4
4
3
3
3
3
3
3
2
3
3
3
3
4
4

Chance of Frost

Temperature (°C)

25
26
26
26
26
26
25
23
21
19
18
17
16
15
15
14
14
15
17
19
22
24
25
26

Feels Like (°C)

26
25
26
28
27
28
27
25
22
21
20
19
19
17
17
16
16
17
19
21
24
26
25
26

Dew Point (°C)

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

Relative Humidity (%)

50
48
48
48
49
54
64
69
69
72
77
78
79
80
79
79
79
76
71
64
60
56
52
49

Pressure (mb)

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

Ozone (du)

338
338
340
340
340
339
340
338
337
334
334
335
336
336
335
334
334
334
333
333
334
335
335
335

Saturday 23

First Quarter 53%

No Rise

02:57

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

Sun - Rise: 05:41, Set: 21:36, Transit: 13:39. Moon - Rise: No Rise, Set: 02:57. Civil Dark: 22:19 - 04:58. Nautical Dark: 23:18 - 03:58. Astro Dark: 01:03 - 02:06

Total Clouds (% Sky Obscured)

81
82
85
75
87
75
53
26
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0

Low Clouds (% Sky Obscured)

7
10
11
9
6
3
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

9
14
17
11
8
5
4
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

74
75
74
75
83
75
53
26
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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
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
5
5
6
6
5
4
5
5
5
5
5
5
4
4
5
5
5
6
7
7
8
8
8

Chance of Frost

Temperature (°C)

27
28
28
28
28
27
26
24
22
20
19
18
17
17
16
16
16
17
18
20
22
24
25
26

Feels Like (°C)

29
29
29
28
29
28
29
26
24
22
21
20
19
19
18
18
18
19
20
21
23
25
26
27

Dew Point (°C)

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

Relative Humidity (%)

47
46
45
46
49
54
61
71
76
77
81
83
83
85
87
87
89
88
81
74
68
61
56
51

Pressure (mb)

1028
1028
1028
1028
1028
1028
1028
1028
1029
1029
1029
1030
1030
1030
1030
1030
1030
1030
1031
1031
1031
1031
1031
1031

Ozone (du)

333
332
331
330
328
330
334
338
338
337
337
336
334
333
332
331
329
327
328
328
328
327
326
327

Sunday 24

Waxing Gibbous 64%

14:19

03:09

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

Sun - Rise: 05:40, Set: 21:37, Transit: 13:39. Moon - Rise: 14:19, Set: 03:09. Civil Dark: 22:20 - 04:57. Nautical Dark: 23:20 - 03:56. Astro Dark: 01:12 - 01:54

Total Clouds (% Sky Obscured)

4
9
14
16
19
19
13
7
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Low Clouds (% Sky Obscured)

4
9
14
16
17
17
12
6
0
0
0
0
0
0
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
0

High 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

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

27
28
28
28
27
26
26
24
23
21
20
19
18
18
18
17
17
17
17
19
19
19
20
21

Dew Point (°C)

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

Relative Humidity (%)

47
46
46
46
50
53
61
69
75
77
78
81
82
85
86
89
86
82
79
71
64
58
55
52

Pressure (mb)

1030
1030
1030
1029
1029
1029
1029
1029
1030
1030
1030
1030
1030
1030
1030
1030
1030
1030
1030
1030
1030
1030
1030
1030

Ozone (du)

327
328
327
327
326
326
325
325
324
324
323
320
318
318
318
318
319
319
320
319
318
317
316
315

Monday 25

Waxing Gibbous 74%

15:33

03:21

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

Sun - Rise: 05:39, Set: 21:39, Transit: 13:39. Moon - Rise: 15:33, Set: 03:21. Civil Dark: 22:21 - 04:55. Nautical Dark: 23:22 - 03:54. Astro Dark: 01:24 - N/A

Total 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

Low 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

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)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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 (%)

1
1
1
3
3
2
3
3
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

21
26
26
26
26
26
27
24
23
23
22
22
21
17
17
18
17
17
17
21
22
23
24
24

Dew Point (°C)

14
14
15
15
15
16
16
16
15
14
14
14
13
14
14
14
14
15
15
15
16
16
16
16

Relative Humidity (%)

49
49
48
48
51
55
60
63
66
70
72
74
77
81
83
87
83
82
80
72
66
60
57
52

Pressure (mb)

1029
1029
1029
1028
1028
1028
1028
1028
1028
1029
1029
1029
1029
1029
1028
1028
1028
1029
1029
1029
1029
1029
1028
1028

Ozone (du)

314
314
314
314
315
316
318
319
321
322
323
323
324
324
325
326
326
326
327
325
324
322
322
322

Tuesday 26

Waxing Gibbous 82%

16:46

03:33

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

Sun - Rise: 05:38, Set: 21:40, Transit: 13:39. Moon - Rise: 16:46, Set: 03:33. Civil Dark: 22:23 - 04:54. Nautical Dark: 23:24 - 03:53. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
8
15
23
16
10
5
9
12
16
14
13
11

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
8
14
20
12
6
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
2
3
5
9
12
10
3
1
1

High Clouds (% Sky Obscured)

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

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

7
7
7
6
6
5
5
5
6
7
6
6
6
6
5
5
5
5

Chance of Frost

Temperature (°C)

28
28
29
29
29
29
28
26
24
22
21
20
19
18
18
17
18
19

Feels Like (°C)

25
31
31
31
31
31
32
29
29
27
26
25
24
19
19
19
19
19

Dew Point (°C)

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

Relative Humidity (%)

49
48
47
46
49
53
57
61
64
68
71
72
75
78
81
85
82
80

Pressure (mb)

1027
1027
1027
1026
1026
1026
1025
1026
1026
1026
1026
1026
1025
1025
1025
1025
1025
1025

Ozone (du)

321
321
321
321
321
321
321
322
322
323
324
325
326
326
325
325
325
325

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

Generated: 20/05/26 14:29:37. Forecast: 20/05/26 to 26/05/26. Timezone: UTC+2.00