Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 21

Waxing Gibbous 66%

18:22

23:51

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
16 Bad
17 Bad
18 Bad
19 Bad

Sun - Rise: 06:34, Set: 20:52, Transit: 13:42. Moon - Rise: 18:22, Set: 23:51. Civil Dark: 21:29 - 05:57. Nautical Dark: 22:16 - 05:10. Astro Dark: 23:12 - 04:16

Total Clouds (% Sky Obscured)

99
100
100
100
100
100
100
87
72
76
100
100
100
98
66
55
60
56
77
82
66
48
62
48

Low Clouds (% Sky Obscured)

2
1
0
0
15
8
18
27
18
32
56
78
67
75
66
43
38
39
70
74
66
48
62
48

Medium Clouds (% Sky Obscured)

99
97
100
100
100
99
98
73
41
34
90
67
21
0
0
9
22
18
25
21
16
6
1
2

High Clouds (% Sky Obscured)

77
100
94
64
67
100
100
72
67
71
66
55
65
58
2
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

2
1
4
9
10
28
37
54
64
67
52
33
29
20
33
39
28
26
27
32
22
17
12
21

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

9
7
6
6
6
6
6
6
6
6
6
6
8
7
7
10
12
12
13
14
12
13
12
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

63
73
78
80
80
79
80
84
87
93
92
84
82
76
73
66
59
52
48
58
61
57
58
60

Pressure (mb)

1012
1013
1013
1013
1013
1014
1014
1014
1014
1015
1015
1016
1016
1017
1018
1018
1019
1019
1019
1019
1020
1020
1021
1021

Ozone (du)

344
344
345
346
346
347
347
348
350
353
357
359
360
361
361
361
360
360
361
361
360
359
359
359

Saturday 22

Waxing Gibbous 75%

19:04

00:42

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

Sun - Rise: 06:36, Set: 20:50, Transit: 13:42. Moon - Rise: 19:04, Set: 00:42. Civil Dark: 21:27 - 05:59. Nautical Dark: 22:14 - 05:13. Astro Dark: 23:08 - 04:19

Total Clouds (% Sky Obscured)

53
51
59
59
61
32
59
60
28
56
77
58
60
92
81
92
86
88
93
93
86
60
66
24

Low Clouds (% Sky Obscured)

53
51
59
59
61
31
59
60
28
52
77
58
60
82
72
85
81
73
81
80
78
47
45
15

Medium Clouds (% Sky Obscured)

3
0
0
0
2
0
0
0
0
0
0
0
0
38
25
26
26
28
24
26
19
18
18
5

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
2
4
5
3
3
5
12
2

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 (%)

18
8
21
13
23
27
22
17
8
10
17
8
10
25
21
19
12
16
8
17
15
5
13
2

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
7
7
7
7
7
6
5
5
5
5
4
4
5
7
9
10
10
10
10
10
10
9
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

64
73
70
70
71
74
80
79
75
74
79
77
72
73
72
64
56
53
53
54
55
59
54
57

Pressure (mb)

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

Ozone (du)

360
361
361
360
359
357
357
356
355
357
356
354
352
349
348
347
346
344
343
342
341
341
340
340

Sunday 23

Waxing Gibbous 83%

19:34

01:46

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

Sun - Rise: 06:38, Set: 20:47, Transit: 13:41. Moon - Rise: 19:34, Set: 01:46. Civil Dark: 21:24 - 06:01. Nautical Dark: 22:11 - 05:15. Astro Dark: 23:05 - 04:21

Total Clouds (% Sky Obscured)

4
2
2
1
13
17
22
21
35
24
28
33
43
53
54
31
56
52
41
38
35
46
57
69

Low Clouds (% Sky Obscured)

0
0
0
0
9
11
15
4
10
15
25
33
43
53
53
30
55
45
36
31
23
16
8
0

Medium Clouds (% Sky Obscured)

4
2
2
1
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
1
0
0
0
2
2
21
29
2
2
2
2
2
2
1
2
11
1
0
0
27
53
69

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
16
19
19
19
19
19
19
19
19
19
19
19
19

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
2
2
0
0
1
1
2
5
8
9
7
6
3
1
2
1
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
6
5
5
4
4
4
3
3
2
1
1
1
2
5
7
7
8
9
9
9
10
11
10

Chance of Frost

Temperature (°C)

17
16
14
13
13
12
12
12
12
12
12
12
13
16
17
18
19
20
21
21
21
22
21
21

Feels Like (°C)

17
15
14
14
13
13
13
13
11
11
13
13
14
16
17
18
19
20
20
21
21
21
20
20

Dew Point (°C)

11
11
11
11
10
10
10
10
10
10
10
10
10
11
11
11
11
10
10
10
10
11
12
12

Relative Humidity (%)

65
75
80
83
84
86
86
87
86
86
87
87
80
72
65
61
57
54
50
47
48
52
55
57

Pressure (mb)

1025
1025
1025
1025
1025
1025
1025
1025
1024
1024
1024
1025
1025
1024
1024
1024
1024
1024
1023
1022
1022
1021
1020
1020

Ozone (du)

340
339
339
338
336
335
334
333
332
331
329
328
326
325
325
325
325
325
326
326
322
321
320
319

Monday 24

Waxing Gibbous 90%

19:56

02:59

20 Bad
21 OK
22 Good
23 OK
00 Good
01 Good
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
16 Bad
17 Bad
18 Bad
19 Bad

Sun - Rise: 06:39, Set: 20:45, Transit: 13:41. Moon - Rise: 19:56, Set: 02:59. Civil Dark: 21:22 - 06:03. Nautical Dark: 22:08 - 05:17. Astro Dark: 23:02 - 04:24

Total Clouds (% Sky Obscured)

69
24
0
19
4
2
46
49
89
100
98
88
93
84
78
82
72
72
69
68
75
89
95
95

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
12
46
58
59

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
4
6
9
9
10
9
22
39
56
55
51
50

High Clouds (% Sky Obscured)

63
24
0
12
3
2
46
45
87
100
98
85
92
84
78
82
72
72
69
60
49
38
26
15

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 (%)

19
19
19
19
19
19
19
19
19
19
19
19
19
19
19
19
19
19
19
19
19
19
19
19

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
2
5
14
14
11

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)

10
13
13
13
13
13
12
12
12
12
12
13
13
14
15
16
16
15
14
13
11
11
11
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

13
13
12
12
12
12
12
11
11
11
11
11
10
10
9
9
8
8
9
11
11
13
14
16

Relative Humidity (%)

64
67
69
72
73
75
77
75
77
76
75
76
72
65
57
49
43
38
38
41
42
47
51
63

Pressure (mb)

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

Ozone (du)

319
319
319
318
319
318
314
314
312
312
311
311
312
313
314
314
314
313
313
313
313
313
313
312

Tuesday 25

Waxing Gibbous 95%

19:56

04:16

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
16 Bad
17 Bad
18 Bad
19 Bad

Sun - Rise: 06:41, Set: 20:43, Transit: 13:41. Moon - Rise: 19:56, Set: 04:16. Civil Dark: 21:20 - 06:05. Nautical Dark: 22:05 - 05:19. Astro Dark: 22:58 - 04:27

Total Clouds (% Sky Obscured)

91
77
57
56
55
53
53
60
56
59
87
96
84
76
70
73
76
79
86
93
100
87
75
62

Low Clouds (% Sky Obscured)

32
2
0
4
9
13
21
29
37
45
64
80
37
19
1
5
9
16
16
20
23
21
19
17

Medium Clouds (% Sky Obscured)

50
67
38
41
48
51
48
44
41
46
72
85
84
76
70
64
55
46
43
37
32
29
23
16

High Clouds (% Sky Obscured)

34
30
36
22
13
4
7
16
16
14
15
25
19
19
23
30
32
40
60
78
100
71
42
15

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
6
8
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

19
19
19
19
19
19
19
19
19
19
19
19
19
19
19
19
19
19
19
19
19
19
19
19

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
7
3
6
6
3
6
6
4
7
24
37
44
34
22
29
28
20
21
19
14
19
17
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)

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

Chance of Frost

Temperature (°C)

22
21
20
19
19
19
18
18
18
18
17
18
18
20
21
22
23
25
26
26
27
27
26
25

Feels Like (°C)

22
21
21
21
21
20
19
19
19
19
20
19
19
20
20
20
21
21
22
28
27
26
26
27

Dew Point (°C)

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

Relative Humidity (%)

71
74
82
88
86
84
83
85
89
88
89
86
85
78
71
64
57
52
47
45
44
42
48
54

Pressure (mb)

1012
1012
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1014
1014
1014
1014
1014
1014
1014
1014
1013
1013
1014

Ozone (du)

313
314
315
317
317
314
308
307
308
309
307
306
306
306
306
305
305
304
304
303
303
302
302
301

Wednesday 26

Waxing Gibbous 98%

20:12

05:34

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
16 Bad
17 Bad
18 Bad
19 Bad

Sun - Rise: 06:43, Set: 20:41, Transit: 13:41. Moon - Rise: 20:12, Set: 05:34. Civil Dark: 21:17 - 06:07. Nautical Dark: 22:03 - 05:21. Astro Dark: 22:55 - 04:30

Total Clouds (% Sky Obscured)

73
85
97
93
89
85
83
79
75
79
90
100
100
100
100
99
99
98
99
99
100
100
100
100

Low Clouds (% Sky Obscured)

13
9
5
12
19
26
23
21
20
27
34
41
46
50
55
51
47
48
50
55
56
53
47
41

Medium Clouds (% Sky Obscured)

28
42
57
57
55
54
43
34
23
36
53
73
72
71
70
68
66
63
64
66
68
66
65
63

High Clouds (% Sky Obscured)

38
61
83
71
63
53
44
31
15
43
72
100
100
100
100
94
90
83
88
94
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
7
5
3
3
3
3
5
7
9
9
9
9
9
9
8
9
9

Fog (%)

19
19
19
19
19
19
19
19
19
19
19
19
19
19
19
19
19
19
19
19
19
19
19
19

Precipitation Type

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

Precipitation Probability (%)

10
9
2
19
26
30
37
41
45
54
60
64
68
70
71
61
51
39
51
55
60
83
89
85

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

5
4
5
7
6
6
6
6
6
7
7
7
8
8
9
9
10
12
13
11
9
9
9
10

Chance of Frost

Temperature (°C)

24
23
22
21
20
20
19
19
19
19
19
19
19
20
21
21
22
24
25
25
25
25
25
24

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

62
66
72
76
79
81
84
85
86
89
89
92
92
92
92
94
89
85
82
82
82
82
85
89

Pressure (mb)

1014
1014
1014
1014
1013
1013
1013
1012
1012
1011
1011
1011
1011
1010
1010
1009
1008
1008
1007
1007
1006
1005
1006
1006

Ozone (du)

301
301
300
300
300
300
300
298
296
295
296
297
297
298
299
300
302
303
304
304
304
304
307
310

Thursday 27

Waxing Gibbous 100%

20:25

06:52

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

Sun - Rise: 06:44, Set: 20:38, Transit: 13:40. Moon - Rise: 20:25, Set: 06:52. Civil Dark: 21:15 - 06:08. Nautical Dark: 22:00 - 05:23. Astro Dark: 22:52 - 04:32

Total Clouds (% Sky Obscured)

100
100
100
91
82
73
75
76
78
83
90
98
98
99
100
100
100
100

Low Clouds (% Sky Obscured)

48
55
61
49
36
23
30
39
48
49
48
44
43
45
47
56
65
74

Medium Clouds (% Sky Obscured)

56
50
38
39
40
41
43
44
49
46
43
35
45
51
52
68
84
100

High Clouds (% Sky Obscured)

100
100
100
78
55
29
21
16
10
39
68
96
96
98
100
100
100
100

ISS Passover

Visibility (miles)

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

Fog (%)

19
19
19
19
19
19
19
19
19
19
19
19
19
19
19
19
19
19

Precipitation Type

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

Precipitation Probability (%)

80
78
76
68
55
26
34
38
41
41
37
23
43
50
54
58
60
60

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

23
23
21
20
20
20
19
19
18
18
18
18
18
18
19
20
20
21

Feels Like (°C)

26
22
21
21
20
20
19
19
19
18
18
18
18
17
17
18
18
18

Dew Point (°C)

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

Relative Humidity (%)

92
92
95
95
95
93
92
93
93
93
93
92
92
92
92
93
92
91

Pressure (mb)

1006
1006
1007
1007
1007
1007
1007
1007
1007
1007
1007
1007
1007
1007
1008
1008
1008
1008

Ozone (du)

313
318
322
326
331
335
340
340
340
339
338
337
335
334
333
332
333
334

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

Generated: 21/08/26 20:15:20. Forecast: 21/08/26 to 27/08/26. Timezone: UTC+2.00