Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 22

Waxing Crescent 53%

12:59

02:40

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

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)

4
4
4
1
0
0
0
1
19
86
97
68
100
9
9
12
0
1
0
0
0
18
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
54
1
1
0
0
0
0
0
0
0
0
12
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
1
18
86
97
68
100
9
9
12
0
1
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)

2
2
2
2
3
3
3
3
3
4
4
3
3
3
3
4
3
3
2
2
3
3
3
2

Chance of Frost

Temperature (°C)

23
21
19
18
17
16
14
13
13
12
13
16
20
22
24
26
27
27
28
28
28
28
27
26

Feels Like (°C)

25
23
21
20
18
17
16
15
14
14
14
16
20
23
27
27
28
30
31
32
32
31
31
30

Dew Point (°C)

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

Relative Humidity (%)

66
71
70
71
73
77
79
81
84
83
82
77
71
68
62
58
55
50
48
47
47
49
58
64

Pressure (mb)

1026
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1028
1028
1028
1028
1028
1028
1028
1028
1028
1028
1028
1028

Ozone (du)

337
337
337
338
336
335
336
337
337
335
331
329
328
331
333
335
340
341
341
345
347
345
341
338

Saturday 23

First Quarter 64%

14:17

02:54

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

Sun - Rise: 05:39, Set: 21:34, 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)

0
1
19
98
89
11
29
48
71
74
89
93
77
77
54
12
2
8
10
6
7
4
32
10

Low Clouds (% Sky Obscured)

0
0
0
0
12
3
19
40
47
40
45
84
47
60
51
11
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
8
7
6
1
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
1
16
94
82
11
12
12
39
47
71
47
29
12
6
4
2
8
10
6
7
4
32
9

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
13
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
1
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
3
2
3
3
3
4
3
3
4
4
5
6
6
6
6
6
6
6
6
6
6
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

28
25
23
21
19
18
17
16
16
16
17
19
20
22
23
26
27
28
28
27
29
28
28
26

Dew Point (°C)

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

Relative Humidity (%)

66
67
70
77
85
89
92
92
93
95
93
86
80
75
69
66
62
60
56
55
55
55
64
72

Pressure (mb)

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

Ozone (du)

335
333
330
329
328
327
325
325
325
325
322
319
317
317
318
318
317
316
316
316
314
313
312
312

Sunday 24

Waxing Gibbous 60%

15:31

03:07

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
14 Good
15 Good
16 Good
17 Good
18 Good
19 Good
20 Good

Sun - Rise: 05:38, Set: 21:35, Transit: 13:37. Moon - Rise: 15:31, 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)

1
1
1
1
0
0
2
3
10
16
13
3
2
2
3
3
12
14
14
15
14
12
7
8

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)

1
1
1
0
0
0
2
3
10
16
13
3
2
2
3
3
12
14
14
15
14
12
7
8

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

24
22
21
20
18
18
17
17
16
15
15
18
21
23
25
26
28
27
27
26
27
27
27
27

Dew Point (°C)

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

Relative Humidity (%)

81
84
85
85
83
83
85
86
86
87
85
78
71
66
61
57
54
51
48
47
47
55
62
71

Pressure (mb)

1030
1031
1031
1031
1031
1031
1031
1031
1031
1031
1031
1031
1032
1032
1032
1032
1031
1031
1031
1030
1030
1030
1030
1030

Ozone (du)

311
310
310
309
309
310
310
310
310
311
312
313
314
313
313
314
315
315
314
312
310
310
311
310

Monday 25

Waxing Gibbous 74%

16:44

03:19

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
14 Good
15 Good
16 Good
17 Good
18 Good
19 Good
20 Good

Sun - Rise: 05:37, Set: 21:36, Transit: 13:37. Moon - Rise: 16:44, 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)

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

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
5
5
7

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)

2
2
1
1
1
1
1
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
1
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
4
4
4
3
4
4
4
4
4
4
4
4
5
5
5
6
6
6
7
7
8
7

Chance of Frost

Temperature (°C)

23
21
20
19
18
17
16
15
14
15
16
18
20
22
25
25
26
27
28
28
28
27
26
25

Feels Like (°C)

24
22
21
20
19
18
17
17
15
16
17
19
21
24
26
27
28
29
29
30
30
29
28
27

Dew Point (°C)

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

Relative Humidity (%)

73
70
72
75
78
79
82
83
83
84
82
76
70
68
62
56
53
50
48
48
48
55
63
73

Pressure (mb)

1030
1030
1030
1030
1030
1030
1030
1030
1029
1029
1029
1029
1029
1029
1029
1029
1028
1028
1027
1027
1026
1026
1026
1026

Ozone (du)

311
311
311
311
310
310
310
311
312
313
314
314
315
315
316
317
317
317
317
317
317
317
317
317

Tuesday 26

Waxing Gibbous 82%

17:57

03:31

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

Sun - Rise: 05:36, Set: 21:37, Transit: 13:37. Moon - Rise: 17:57, Set: 03:31. Civil Dark: 22:20 - 04:53. Nautical Dark: 23:21 - 03:51. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

8
6
10
15
28
22
26
22
43
47
63
6
7
7
7
6
6
6
7
7
16
22
26
27

Low Clouds (% Sky Obscured)

8
6
9
9
10
6
3
0
13
27
34
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
2
4
6
4
2
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
3

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
33
47
63
1
0
0
0
0
0
0
0
2
3
2
4
5

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

Chance of Frost

Temperature (°C)

22
20
18
17
16
15
14
12
11
10
10
12
15
17
19
20
21
22
22
22
22
21
20
18

Feels Like (°C)

24
22
20
19
17
14
12
10
9
8
9
9
12
13
13
14
14
15
21
20
20
20
19
19

Dew Point (°C)

19
18
17
16
15
13
11
8
7
7
6
6
8
8
8
9
8
9
9
9
9
10
10
11

Relative Humidity (%)

79
85
92
92
95
86
83
76
77
78
76
66
60
55
50
47
44
42
42
41
42
47
55
62

Pressure (mb)

1026
1027
1027
1028
1028
1029
1029
1029
1029
1029
1029
1029
1027
1027
1027
1027
1026
1026
1025
1025
1024
1024
1024
1023

Ozone (du)

318
320
321
321
321
321
320
320
319
320
320
321
323
324
326
327
328
329
330
330
331
332
333
334

Wednesday 27

Waxing Gibbous 89%

19:10

03:45

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

Sun - Rise: 05:35, Set: 21:39, Transit: 13:37. Moon - Rise: 19:10, Set: 03:45. Civil Dark: 22:22 - 04:52. Nautical Dark: 23:23 - 03:50. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

28
31
28
31
35
44
51
52
65
68
68
62
52
43
35
28
20
45
72
97
88
80
72
79

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)

5
7
4
2
0
1
1
2
3
3
4
3
3
3
3
2
0
0
0
0
21
41
62
57

High Clouds (% Sky Obscured)

11
11
8
7
12
33
43
52
51
51
51
38
28
25
31
22
12
36
64
92
88
80
69
73

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
1
2
3
14
12
3
6

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

Chance of Frost

Temperature (°C)

16
15
13
12
12
11
11
10
11
12
13
14
16
18
21
22
24
25
26
26
27
26
25
24

Feels Like (°C)

15
15
15
14
14
13
9
9
10
10
9
9
13
14
15
16
18
19
27
26
26
26
26
26

Dew Point (°C)

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

Relative Humidity (%)

64
67
70
72
75
77
77
78
80
77
72
70
64
57
51
48
43
39
39
39
37
43
49
56

Pressure (mb)

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

Ozone (du)

336
338
340
339
339
338
338
338
338
340
341
342
342
342
343
344
345
346
347
347
347
349
351
353

Thursday 28

Waxing Gibbous 94%

20:23

04:01

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: 05:34, Set: 21:40, Transit: 13:37. Moon - Rise: 20:23, Set: 04:01. Civil Dark: 22:23 - 04:50. Nautical Dark: 23:25 - 03:48. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

84
89
83
76
70
77
76
75
82
89
95
86
81
80
86
89
94

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
7
14
21
19
18
15
30
46
58

Medium Clouds (% Sky Obscured)

50
40
34
28
24
23
27
32
28
20
12
4
4
3
8
13
18

High Clouds (% Sky Obscured)

77
81
77
69
61
29
13
11
36
60
85
86
81
45
39
29
23

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

3
0
2
1
0
4
4
2
16
28
37
43
56
65
71
68
61

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.2
0
0.4
0.9
0.7
0.5
0.5

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

23
23
23
21
20
19
16
16
15
15
14
14
16
17
17
18
18

Dew Point (°C)

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

Relative Humidity (%)

58
60
62
63
64
65
67
68
69
70
73
74
71
68
65
61
57

Pressure (mb)

1017
1017
1017
1017
1016
1016
1016
1016
1015
1015
1015
1015
1015
1015
1015
1015
1015

Ozone (du)

351
349
347
346
344
342
342
341
340
340
341
341
342
343
345
346
348

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

Generated: 22/05/26 21:03:08. Forecast: 22/05/26 to 28/05/26. Timezone: UTC+2.00