Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 19

Waning Crescent 36%

00:53

16:49

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
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 05:42, Set: 21:50, Transit: 13:46. Moon - Rise: 00:53, Set: 16:49. Civil Dark: 22:35 - 04:58. Nautical Dark: 23:41 - 03:53. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

77
58
83
89
100
100
100
100
100
100
100
100
100
100
100
100
95
51
40
66
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
3
0
0
0
27
0
42
0
18
26
49
63
48
29
54
6
0
0
15

Medium Clouds (% Sky Obscured)

6
43
42
31
83
55
30
47
88
79
51
31
47
71
80
46
4
4
3
2
2
0
12
25

High Clouds (% Sky Obscured)

46
58
83
57
100
100
100
100
100
100
100
100
100
100
100
100
92
11
15
15
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
4
9
9
9
2
6
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
Light Rain
None
None
Very Light Rain
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
3
15
8
33
51
82
36
46
69
69
28
18
4
1
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0.2
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

8
9
10
10
10
10
11
11
11
11
11
11
9
5
7
8
6
12
8
8
7
5
5
5

Chance of Frost

Temperature (°C)

18
20
21
22
24
25
26
27
28
29
29
29
27
25
23
22
22
21
20
19
18
18
18
17

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
78
71
67
61
57
54
51
49
46
43
45
53
67
91
85
84
93
93
95
95
96
96
96

Pressure (mb)

1010
1010
1009
1009
1009
1008
1007
1006
1006
1005
1005
1004
1004
1004
1004
1004
1004
1005
1005
1005
1005
1005
1005
1005

Ozone (du)

310
311
311
313
314
317
319
320
320
322
322
323
324
318
324
326
327
321
320
320
320
318
316
317

Sunday 20

Waning Crescent 25%

01:23

18:20

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
21 OK
22 Good
23 OK
00 OK
01 OK
02 OK
03 OK
04 OK
05 Bad
06 OK

Sun - Rise: 05:44, Set: 21:49, Transit: 13:46. Moon - Rise: 01:23, Set: 18:20. Civil Dark: 22:34 - 04:59. Nautical Dark: 23:39 - 03:55. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
100
98
97
98
100
100
99
100
100
100
98
65
72
10
0
32
39
23
28
8
9
43
30

Low Clouds (% Sky Obscured)

30
26
0
0
21
67
75
74
55
70
82
46
31
20
0
0
0
0
6
0
0
1
1
1

Medium Clouds (% Sky Obscured)

100
95
97
96
58
69
99
97
97
98
100
88
49
59
1
0
23
28
14
23
7
8
36
22

High Clouds (% Sky Obscured)

100
100
86
78
76
100
15
17
100
100
100
88
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

5
9
6
5
6
33
82
60
94
88
83
48
17
17
12
6
1
5
2
0
1
2
2
0

Precipitation Amount (mm)

0
0
0
0
0
0
1
0
0.8
0.4
0.4
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

19
19
20
20
21
22
22
21
21
20
21
20
20
20
19
18
19
18
17
17
17
16
16
16

Dew Point (°C)

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

Relative Humidity (%)

95
92
91
86
70
60
56
64
76
92
88
89
91
88
92
93
95
95
95
93
93
93
93
93

Pressure (mb)

1005
1005
1005
1005
1005
1005
1004
1004
1004
1004
1004
1004
1004
1004
1004
1004
1004
1004
1004
1004
1004
1003
1003
1003

Ozone (du)

320
322
326
332
332
333
334
335
332
336
339
340
341
344
348
356
359
359
358
357
358
357
353
353

Monday 21

Waning Crescent 15%

02:09

19:44

07 Bad
08 OK
09 OK
10 Bad
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

Sun - Rise: 05:45, Set: 21:48, Transit: 13:46. Moon - Rise: 02:09, Set: 19:44. Civil Dark: 22:32 - 05:01. Nautical Dark: 23:36 - 03:58. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

49
23
24
54
59
45
72
49
45
82
75
45
80
39
21
81
90
55
86
90
91
84
94
83

Low Clouds (% Sky Obscured)

31
16
20
0
26
30
42
49
30
21
32
1
23
9
1
1
1
1
2
18
37
56
59
58

Medium Clouds (% Sky Obscured)

29
14
5
54
48
0
35
19
41
77
75
31
43
18
3
9
48
28
26
26
20
27
27
24

High Clouds (% Sky Obscured)

0
0
1
0
0
5
4
4
10
15
15
30
10
6
21
81
37
16
42
52
59
29
75
35

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
7
3
4
5
3
5
4
9
7
7
8
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
Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

2
2
7
50
29
33
38
58
65
66
79
92
84
66
53
52
41
23
10
13
18
30
32
48

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.4
0.3
0.3
0.5
0.7
0.6
0.3
0.2
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
89
81
68
61
54
49
60
79
69
71
79
81
83
86
90
92
92
93
92
93
93
93
93

Pressure (mb)

1003
1004
1003
1003
1003
1003
1003
1002
1002
1002
1002
1002
1002
1003
1003
1003
1003
1003
1004
1004
1004
1004
1004
1005

Ozone (du)

353
351
351
352
349
349
351
352
352
353
352
354
354
353
351
350
349
348
349
350
350
352
353
352

Tuesday 22

Waning Crescent 8%

03:15

20:50

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
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 05:47, Set: 21:46, Transit: 13:46. Moon - Rise: 03:15, Set: 20:50. Civil Dark: 22:30 - 05:03. Nautical Dark: 23:34 - 04:00. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
94
82
67
63
60
54
53
50
54
70
80
91
94
97
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

61
60
57
47
45
43
43
46
47
47
49
50
50
53
57
61
63
65
68
66
61
51
52
50

Medium Clouds (% Sky Obscured)

23
24
24
26
22
21
16
13
6
0
13
34
87
86
84
84
85
86
88
78
71
80
82
88

High Clouds (% Sky Obscured)

100
87
48
2
0
0
0
1
3
6
3
1
0
33
67
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
4
5
5
6
8
9
9
9
9
9
9
8
9
9
7
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
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
Very Light Rain
Very Light Rain
Light Rain
None
Light Rain
Light Rain
None
Very Light Rain
Light Rain

Precipitation Probability (%)

53
89
95
87
69
64
45
41
38
26
20
26
37
49
52
61
73
79
61
82
84
63
73
78

Precipitation Amount (mm)

0
0.6
1
0.5
0.3
0.3
0
0
0
0
0
0
0
0
0
0.2
0.3
0.5
0
0.4
0.5
0
0.3
0.4

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

16
16
16
16
16
15
14
14
14
14
14
14
15
16
16
16
15
15
15
15
14
15
15
14

Relative Humidity (%)

92
89
85
80
75
69
62
59
63
63
63
66
71
81
86
90
90
92
92
90
89
92
93
93

Pressure (mb)

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

Ozone (du)

352
354
356
357
356
354
350
346
343
340
338
336
335
335
335
336
337
338
339
340
341
342
342
342

Wednesday 23

Waning Crescent 3%

04:37

21:36

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
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 05:48, Set: 21:45, Transit: 13:46. Moon - Rise: 04:37, Set: 21:36. Civil Dark: 22:29 - 05:04. Nautical Dark: 23:32 - 04:02. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
76
68
65
68
70
73
72
69
62
58
57

Low Clouds (% Sky Obscured)

51
55
64
69
65
63
58
54
51
50
63
71
74
26
26
25
28
33
30
29
30
28
35
41

Medium Clouds (% Sky Obscured)

94
94
97
100
98
100
100
99
97
98
95
78
91
76
68
65
46
30
17
18
17
15
15
16

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
98
96
94
33
26
27
24
19
13
14
13
10
5
3

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
7
7
8
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

72
83
89
88
95
95
84
77
55
34
25
26
30
39
37
30
31
27
10
17
19
4
13
19

Precipitation Amount (mm)

0
0.4
0.5
0.5
0.8
1
0.5
0.5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

15
15
16
15
16
16
16
16
16
16
16
16
16
16
16
16
16
15
15
14
15
14
15
15

Dew Point (°C)

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

Relative Humidity (%)

93
89
79
66
64
62
61
61
61
62
67
71
77
85
89
90
95
95
95
93
93
93
93
92

Pressure (mb)

1009
1010
1010
1010
1010
1010
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1010
1011

Ozone (du)

342
342
341
341
341
341
340
340
340
341
343
344
343
343
343
343
343
343
343
343
342
342
341
341

Thursday 24

New Moon 0%

06:05

22:06

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 OK
20 OK
21 Good
22 Good
23 OK
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 05:50, Set: 21:43, Transit: 13:46. Moon - Rise: 06:05, Set: 22:06. Civil Dark: 22:27 - 05:06. Nautical Dark: 23:29 - 04:05. Astro Dark: N/A - 02:02

Total Clouds (% Sky Obscured)

55
64
74
84
86
86
86
77
71
65
52
39
28
20
12
2
24
46
69
70
69
70
67
66

Low Clouds (% Sky Obscured)

47
53
59
64
68
72
74
71
67
64
52
39
26
16
8
1
10
19
35
48
53
59
58
56

Medium Clouds (% Sky Obscured)

16
17
19
21
16
14
13
10
5
0
0
0
0
0
0
0
0
0
0
0
0
0
5
9

High Clouds (% Sky Obscured)

1
3
5
9
7
5
0
0
0
0
0
0
0
0
0
0
2
4
6
11
9
6
5
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
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

6
19
25
30
36
41
44
38
37
20
13
8
1
2
1
0
5
6
1
6
7
3
12
12

Precipitation Amount (mm)

0
0
0
0
0
0
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

14
14
14
14
14
14
14
13
13
14
14
14
14
14
14
14
14
14
14
14
14
14
14
14

Relative Humidity (%)

89
87
82
76
71
68
64
61
62
63
64
67
69
73
78
85
92
92
90
90
90
90
90
86

Pressure (mb)

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

Ozone (du)

341
341
343
344
345
342
339
335
332
329
326
326
326
326
325
323
322
320
319
317
315
313
312
310

Friday 25

Waxing Crescent 1%

No Rise

22:26

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
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad

Sun - Rise: 05:51, Set: 21:42, Transit: 13:46. Moon - Rise: No Rise, Set: 22:26. Civil Dark: 22:25 - 05:08. Nautical Dark: 23:27 - 04:07. Astro Dark: 01:29 - 02:17

Total Clouds (% Sky Obscured)

67
83
92
98
99
100
100
96
93
89
83
74
64
63
64
67
63
57
52

Low Clouds (% Sky Obscured)

52
58
68
77
68
58
51
53
55
57
55
52
44
50
57
63
48
33
17

Medium Clouds (% Sky Obscured)

10
14
16
24
40
57
73
68
62
57
50
44
37
30
22
15
11
6
0

High Clouds (% Sky Obscured)

0
22
44
71
81
91
100
72
44
12
8
9
9
3
1
0
13
25
37

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

10
13
13
3
12
14
5
10
12
7
26
36
42
35
23
2
10
11
5

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

6
7
7
8
9
9
9
10
10
11
12
10
8
6
6
6
6
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

14
14
14
14
13
13
13
13
14
14
14
14
15
15
15
15
15
14
14

Relative Humidity (%)

82
79
73
67
61
58
55
53
56
59
61
69
77
88
90
90
93
92
92

Pressure (mb)

1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1014
1014
1014
1014
1014
1014
1014

Ozone (du)

309
308
307
307
306
306
306
306
308
309
311
316
321
326
324
323
321
321
320

Forecast for Katwoude, Gemeente Waterland, Netherlands (52.47,5.07)

Generated: 19/07/25 06:43:54. Forecast: 19/07/25 to 25/07/25. Timezone: UTC+2.00