Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 19

Waxing Crescent 32%

13:36

23:44

16 OK
17 OK
18 Bad
19 Bad
20 Bad
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 OK

Sun - Rise: 05:46, Set: 21:51, Transit: 13:48. Moon - Rise: 13:36, Set: 23:44. Civil Dark: 22:36 - 05:02. Nautical Dark: 23:40 - 03:58. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

35
38
44
73
91
100
30
65
100
100
85
65
81
73
82
62
80
80
89
100
79
70
76
34

Low Clouds (% Sky Obscured)

35
38
44
60
88
100
30
40
71
51
78
61
72
60
73
34
69
49
87
45
61
59
35
34

Medium Clouds (% Sky Obscured)

34
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
42
3
20
4
4
2

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
1
24
91
50
2
0
3
4
50
41
58
78
100
60
65
76
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
0
2
5
4
12
5
4
13
2
1
1
1
3
3
9
1
2
10
2
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
13
12
10
8
9
8
7
8
8
8
8
8
8
8
9
9
11
12
12
13
13

Chance of Frost

Temperature (°C)

20
19
19
18
17
17
16
16
15
15
15
15
15
15
15
16
16
17
18
19
19
19
20
20

Feels Like (°C)

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

Dew Point (°C)

6
6
8
7
8
8
8
8
8
8
7
6
6
6
6
6
7
8
7
7
7
7
7
7

Relative Humidity (%)

41
44
47
50
53
57
58
57
62
61
56
53
53
53
53
52
54
56
47
45
44
43
42
42

Pressure (mb)

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

Ozone (du)

371
373
372
366
365
362
357
356
355
352
351
353
355
355
352
350
349
348
351
350
350
351
352
352

Monday 20

Waxing Crescent 43%

14:53

23:55

16 Bad
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 OK
07 Good
08 OK
09 OK
10 OK
11 OK
12 Good
13 OK
14 OK
15 Good

Sun - Rise: 05:47, Set: 21:50, Transit: 13:48. Moon - Rise: 14:53, Set: 23:55. Civil Dark: 22:34 - 05:03. Nautical Dark: 23:38 - 04:00. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

50
3
17
19
1
0
0
5
12
14
4
9
17
18
20
17
30
41
39
21
18
25
22
6

Low Clouds (% Sky Obscured)

29
0
17
19
0
0
0
5
12
14
4
9
17
18
20
17
30
41
39
21
18
25
22
2

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)

50
3
4
3
1
0
0
0
0
0
0
0
4
2
4
0
4
4
0
0
0
5
3
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)

13
13
12
13
12
10
8
6
5
4
3
3
3
3
2
2
3
5
7
8
10
11
11
12

Chance of Frost

Temperature (°C)

20
20
19
19
18
17
16
15
14
14
13
13
13
13
12
13
15
17
19
19
20
21
21
21

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

42
44
47
49
53
59
66
68
73
75
76
77
79
80
81
76
67
58
51
46
44
43
41
41

Pressure (mb)

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

Ozone (du)

350
350
350
349
349
349
350
349
346
344
342
340
339
338
337
335
334
333
333
335
336
336
334
333

Tuesday 21

First Quarter 53%

No Rise

00:09

16 OK
17 OK
18 OK
19 OK
20 OK
21 OK
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

Sun - Rise: 05:49, Set: 21:49, Transit: 13:48. Moon - Rise: No Rise, Set: 00:09. Civil Dark: 22:33 - 05:05. Nautical Dark: 23:36 - 04:02. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

15
17
31
33
35
28
47
56
62
64
83
87
83
83
99
100
97
95
92
95
96
98
96
94

Low Clouds (% Sky Obscured)

13
15
31
33
35
28
47
56
62
64
77
74
77
83
81
80
75
69
62
69
76
85
80
74

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
11
0
0
0
0
0
0
44
42
38
33
70
75
77
77
77

High Clouds (% Sky Obscured)

7
7
6
3
4
4
0
0
0
0
2
11
33
34
97
98
89
84
76
85
85
80
69
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
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
1
3
7
5
2
1
7
3
4
4
5
9
7
2
10
11
8
13
16

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)

11
11
11
11
10
8
6
5
4
4
3
4
6
5
5
4
6
8
9
10
10
10
11
11

Chance of Frost

Temperature (°C)

21
21
20
19
18
18
16
16
15
15
15
15
16
16
15
16
17
18
19
20
20
20
21
21

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

40
41
45
50
56
66
77
80
82
83
86
86
78
72
80
78
72
65
60
57
55
56
56
54

Pressure (mb)

1028
1027
1027
1027
1027
1027
1027
1026
1026
1026
1025
1025
1024
1024
1024
1023
1023
1023
1023
1023
1023
1022
1022
1022

Ozone (du)

333
334
335
336
336
336
336
336
334
336
337
337
336
336
336
335
336
334
334
335
334
335
337
340

Wednesday 22

Waxing Gibbous 63%

16:09

00:26

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
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 05:50, Set: 21:47, Transit: 13:48. Moon - Rise: 16:09, Set: 00:26. Civil Dark: 22:31 - 05:07. Nautical Dark: 23:34 - 04:05. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

92
86
69
44
65
82
79
82
81
83
87
90
95
92
90
88
90
95
100
96
89
88
92
96

Low Clouds (% Sky Obscured)

70
64
59
44
57
67
67
68
69
68
75
84
91
87
84
81
75
69
63
70
72
78
69
63

Medium Clouds (% Sky Obscured)

77
54
17
7
3
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

4
24
2
0
0
0
0
0
0
0
0
0
0
0
17
65
73
60
39
93
25
14
23
29

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 (%)

9
24
16
15
16
21
18
13
21
23
23
24
22
23
15
19
20
17
14
10
7
9
5
12

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)

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

Chance of Frost

Temperature (°C)

21
20
19
18
18
17
16
16
16
16
16
16
16
16
16
16
17
17
17
18
18
19
20
20

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

54
59
65
71
68
74
83
79
71
68
68
66
69
69
68
66
66
67
64
61
60
57
52
52

Pressure (mb)

1022
1021
1021
1021
1021
1020
1021
1021
1020
1020
1020
1020
1020
1020
1020
1020
1021
1021
1021
1022
1022
1022
1022
1022

Ozone (du)

341
344
347
349
352
354
358
362
364
364
364
360
358
358
356
351
349
346
341
337
334
331
329
327

Thursday 23

Waxing Gibbous 72%

17:23

00:48

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

Sun - Rise: 05:52, Set: 21:46, Transit: 13:48. Moon - Rise: 17:23, Set: 00:48. Civil Dark: 22:30 - 05:08. Nautical Dark: 23:31 - 04:07. Astro Dark: N/A - 02:08

Total Clouds (% Sky Obscured)

91
89
89
90
67
88
92
54
47
38
45
53
60
69
80
92
88
83
78
63
47
31
41
49

Low Clouds (% Sky Obscured)

21
37
36
36
20
40
46
27
35
38
45
53
60
69
80
89
80
73
66
55
42
18
14
14

Medium Clouds (% Sky Obscured)

3
2
4
3
2
2
2
2
2
2
1
1
0
0
0
0
3
6
10
7
3
0
0
0

High Clouds (% Sky Obscured)

80
43
39
62
38
38
34
25
13
0
3
5
7
6
4
2
2
2
2
3
4
4
23
42

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
0
3
0
0
2
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)

11
11
12
11
10
8
5
3
2
2
2
2
1
1
1
1
2
1
2
3
5
6
8
8

Chance of Frost

Temperature (°C)

20
20
19
19
18
17
15
15
14
14
13
13
13
13
14
14
15
17
18
20
21
22
24
24

Feels Like (°C)

17
18
17
17
16
16
16
15
16
15
14
15
14
14
14
14
13
17
17
17
18
19
20
26

Dew Point (°C)

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

Relative Humidity (%)

52
49
53
54
57
62
73
76
79
78
79
82
81
83
78
74
70
62
54
49
44
40
37
39

Pressure (mb)

1022
1022
1022
1022
1022
1023
1023
1023
1023
1023
1023
1022
1022
1022
1022
1022
1022
1022
1022
1022
1021
1021
1020
1020

Ozone (du)

326
324
323
321
320
320
319
318
317
316
315
315
314
314
313
312
312
312
312
312
314
315
317
318

Friday 24

Waxing Gibbous 80%

18:34

01:19

16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 OK
23 OK
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

Sun - Rise: 05:53, Set: 21:45, Transit: 13:48. Moon - Rise: 18:34, Set: 01:19. Civil Dark: 22:28 - 05:10. Nautical Dark: 23:29 - 04:10. Astro Dark: 01:28 - 02:20

Total Clouds (% Sky Obscured)

55
66
82
97
77
57
37
41
50
60
70
85
99
98
98
100
97
97
95
87
85
79
89
92

Low Clouds (% Sky Obscured)

14
13
14
15
14
14
13
17
20
24
23
20
17
17
19
25
36
46
57
53
50
34
15
6

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
2
3
5
4
3
3
17
25
35
26
22
18
19
22

High Clouds (% Sky Obscured)

50
60
74
97
71
40
13
23
31
45
55
74
95
95
98
100
95
87
77
55
35
14
13
16

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
1
2
2
7
7
2
7
7
6
7
7

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
7
7
7
5
4
3
3
3
3
3
2
2
3
3
3
4
5
7
7
8
10
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

24
23
22
22
22
19
19
19
18
18
17
15
14
15
15
14
14
19
18
18
19
19
19
26

Dew Point (°C)

9
10
9
9
9
10
10
11
11
11
11
11
10
10
10
9
9
8
6
5
5
4
4
4

Relative Humidity (%)

40
42
43
44
47
52
58
65
67
69
73
73
72
72
65
59
54
45
37
31
28
26
24
25

Pressure (mb)

1019
1019
1018
1018
1018
1017
1017
1017
1016
1016
1015
1015
1014
1013
1013
1013
1012
1012
1012
1012
1011
1011
1011
1010

Ozone (du)

319
320
321
322
323
322
321
320
321
321
321
322
322
323
323
323
323
324
325
326
325
324
323
323

Saturday 25

Waxing Gibbous 88%

19:36

02:02

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

Sun - Rise: 05:54, Set: 21:43, Transit: 13:48. Moon - Rise: 19:36, Set: 02:02. Civil Dark: 22:26 - 05:12. Nautical Dark: 23:26 - 04:12. Astro Dark: 01:16 - 02:29

Total Clouds (% Sky Obscured)

96
93
95
93
88
87
86
86
86
86
84
91
94
95
96
96

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
3
5
11
0
2
4
7
24
40
54

Medium Clouds (% Sky Obscured)

31
28
31
32
39
42
41
44
47
45
46
43
44
56
64
69

High Clouds (% Sky Obscured)

24
31
25
12
8
7
7
6
7
8
8
8
8
8
5
2

ISS Passover

Visibility (miles)

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

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

7
6
4
0
2
3
3
2
1
0
3
5
4
22
29
35

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

25
25
25
25
25
24
22
20
19
19
18
17
17
17
17
18

Feels Like (°C)

25
24
24
25
26
24
25
24
24
23
22
18
18
18
18
17

Dew Point (°C)

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

Relative Humidity (%)

26
27
29
31
33
38
43
49
52
53
57
58
60
62
58
53

Pressure (mb)

1010
1010
1009
1009
1008
1008
1008
1007
1007
1007
1006
1006
1006
1005
1005
1005

Ozone (du)

323
324
326
329
332
332
333
333
334
335
336
336
336
336
336
335

Forecast for Leiden, Gemeente Leiden, Netherlands (52.16,4.50)

Generated: 19/07/26 15:43:09. Forecast: 19/07/26 to 25/07/26. Timezone: UTC+2.00