Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 20

First Quarter 56%

No Rise

23:13

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
16 Bad

Sun - Rise: 06:33, Set: 20:54, Transit: 13:42. Moon - Rise: No Rise, Set: 23:13. Civil Dark: 21:31 - 05:56. Nautical Dark: 22:19 - 05:08. Astro Dark: 23:15 - 04:13

Total Clouds (% Sky Obscured)

73
69
59
37
41
50
48
43
36
44
42
43
37
48
66
88
93
99
90
99
99
100
96
99

Low Clouds (% Sky Obscured)

28
23
24
27
33
29
26
34
27
31
29
30
25
32
30
67
77
83
84
65
57
94
95
87

Medium Clouds (% Sky Obscured)

32
18
4
0
3
14
16
0
2
5
2
0
0
3
3
4
17
11
27
97
98
99
86
95

High Clouds (% Sky Obscured)

10
0
0
0
0
0
0
0
0
0
0
0
0
2
57
67
48
63
45
94
97
91
51
88

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
Very Light Rain
None
None
None
None

Precipitation Probability (%)

53
30
22
19
28
19
13
14
19
19
19
16
10
8
11
12
31
35
32
38
22
22
26
28

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

15
14
13
12
10
8
8
7
7
6
6
6
5
5
5
5
7
8
8
7
6
8
9
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

17
17
17
17
17
16
16
16
16
16
15
16
16
15
15
16
15
15
16
17
17
18
18
17

Dew Point (°C)

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

Relative Humidity (%)

69
64
61
65
70
69
73
79
82
83
84
87
89
90
92
82
71
66
60
54
48
45
53
60

Pressure (mb)

1005
1005
1005
1005
1005
1006
1006
1006
1006
1007
1007
1007
1007
1007
1008
1008
1009
1009
1010
1010
1011
1011
1011
1011

Ozone (du)

344
344
344
343
341
340
339
340
341
341
340
340
340
340
340
341
337
336
336
337
337
337
336
339

Friday 21

Waxing Gibbous 66%

17:27

23:51

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
16 Bad

Sun - Rise: 06:34, Set: 20:52, Transit: 13:42. Moon - Rise: 17:27, 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)

100
100
100
100
99
100
100
97
100
100
100
89
89
81
67
81
63
66
63
45
83
86
70
72

Low Clouds (% Sky Obscured)

80
52
5
5
9
3
2
26
23
28
31
33
37
63
67
66
26
66
49
35
63
69
67
70

Medium Clouds (% Sky Obscured)

100
97
98
96
91
96
100
86
96
100
98
83
72
23
9
15
0
0
22
14
28
23
2
0

High Clouds (% Sky Obscured)

100
100
100
100
71
100
100
90
100
100
98
67
59
26
20
37
36
3
2
1
1
0
0
0

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

16
4
2
1
1
6
14
19
26
44
52
57
49
38
20
19
25
26
30
15
25
30
18
17

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

61
60
58
63
71
75
76
76
78
79
86
89
89
86
83
79
72
63
54
50
46
52
59
52

Pressure (mb)

1011
1012
1012
1012
1013
1013
1013
1014
1014
1014
1014
1015
1015
1015
1016
1017
1017
1018
1018
1019
1019
1019
1020
1020

Ozone (du)

341
345
346
346
347
347
347
348
350
352
353
352
354
357
359
360
361
362
363
362
361
360
359
360

Saturday 22

Waxing Gibbous 75%

18:22

00:42

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

Sun - Rise: 06:36, Set: 20:50, Transit: 13:42. Moon - Rise: 18:22, 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)

80
46
56
51
55
43
49
45
65
47
44
8
52
86
55
56
82
75
87
78
77
53
74
60

Low Clouds (% Sky Obscured)

74
46
56
51
55
36
49
45
65
47
33
6
52
86
55
56
72
56
52
57
50
31
66
46

Medium Clouds (% Sky Obscured)

13
0
0
0
0
4
4
0
0
0
0
0
0
0
0
0
20
47
43
31
37
33
27
21

High Clouds (% Sky Obscured)

0
0
0
0
0
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
9
9
6
6
7
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 (%)

10
19
19
20
12
6
9
9
17
16
9
8
18
18
24
28
25
32
38
34
29
17
11
3

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

53
53
58
63
69
71
72
70
74
76
80
80
80
72
72
75
73
66
66
74
69
60
50
50

Pressure (mb)

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

Ozone (du)

360
359
359
360
361
359
358
357
357
357
356
358
359
358
357
356
354
353
353
350
348
347
346
345

Sunday 23

Waxing Gibbous 83%

19:04

01:46

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

Sun - Rise: 06:38, Set: 20:47, Transit: 13:41. Moon - Rise: 19:04, 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)

49
33
2
0
0
0
6
11
19
15
10
3
9
17
25
33
39
49
43
43
51
47
50
50

Low Clouds (% Sky Obscured)

49
33
0
0
0
0
0
0
0
0
0
0
6
12
17
26
25
41
27
29
31
29
26
27

Medium Clouds (% Sky Obscured)

14
6
0
0
0
0
0
0
0
0
2
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
1
0
0
0
6
11
18
14
9
2
2
2
1
1
4
4
1
1
5
1
1
1

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
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
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 (%)

5
3
0
3
0
0
0
2
1
0
2
3
5
6
3
2
16
4
12
1
1
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
10
9
7
6
4
4
3
3
3
3
3
3
3
3
3
4
7
8
9
9
10
10
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

48
48
52
59
69
73
75
76
77
77
80
84
87
87
87
83
74
71
66
60
55
50
48
47

Pressure (mb)

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

Ozone (du)

343
342
342
341
340
339
338
337
336
335
335
335
334
332
330
329
329
328
328
326
325
323
318
320

Monday 24

Waxing Gibbous 90%

19:34

02:59

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

Sun - Rise: 06:39, Set: 20:45, Transit: 13:41. Moon - Rise: 19:34, 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)

37
23
10
41
78
100
87
67
100
81
95
100
91
97
95
76
72
70
60
51
42
33
25
14

Low Clouds (% Sky Obscured)

18
10
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
3
6
9
19
30
40
39
35
31
4
3
3
2
1
0
1
1
2

High Clouds (% Sky Obscured)

4
7
10
41
75
100
87
67
100
81
95
100
89
93
86
73
67
63
58
50
42
33
24
13

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

21
19
19
18
15
14
14
14
14
12
13
13
12
12
12
12
12
13
13
14
14
14
23
23

Dew Point (°C)

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

Relative Humidity (%)

48
52
56
60
63
66
71
73
74
74
77
79
79
80
78
75
67
59
52
45
39
34
36
37

Pressure (mb)

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

Ozone (du)

323
325
323
322
323
323
322
322
319
317
315
313
314
314
315
315
316
316
317
316
315
314
313
313

Tuesday 25

Waxing Gibbous 95%

19:56

04:16

17 OK
18 OK
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
16 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)

30
48
68
73
75
74
67
60
54
51
51
50
58
57
56
59
62
67
76
86
95
96
97
98

Low Clouds (% Sky Obscured)

6
12
18
21
25
28
23
17
10
13
15
20
21
21
22
27
32
37
42
47
51
48
45
42

Medium Clouds (% Sky Obscured)

21
41
60
56
44
30
32
37
41
41
37
31
25
20
15
34
52
67
76
86
93
83
77
68

High Clouds (% Sky Obscured)

21
30
39
46
54
61
39
23
4
3
2
0
1
3
6
10
13
17
29
43
51
63
78
93

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
7
8
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
1
6
10
13
13
9
0
0
0
0
8
13
17
25
29
30
26
19
1
4
5
3

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

22
23
24
24
19
20
22
21
21
22
20
20
20
20
20
20
21
21
21
22
21
22
28
27

Dew Point (°C)

11
13
14
16
16
16
16
16
16
16
16
15
16
16
16
16
17
17
18
17
17
17
16
16

Relative Humidity (%)

39
47
56
69
72
74
76
80
82
85
85
83
85
85
84
85
82
80
78
69
62
55
52
49

Pressure (mb)

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

Ozone (du)

312
312
312
312
312
313
313
313
312
312
311
310
309
307
306
304
304
303
302
303
303
304
304
304

Wednesday 26

Waxing Gibbous 98%

20:12

05:34

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

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)

87
77
72
70
69
68
74
75
78
77
78
79
87
94
100
100
100
100
90
83
77

Low Clouds (% Sky Obscured)

43
45
46
49
52
51
51
50
50
47
40
35
44
50
50
40
40
40
32
24
15

Medium Clouds (% Sky Obscured)

73
77
72
70
69
68
72
68
64
64
65
60
67
73
82
79
79
81
58
35
12

High Clouds (% Sky Obscured)

76
65
63
63
62
67
69
69
72
74
77
79
86
94
100
100
100
100
78
57
40

ISS Passover

Visibility (miles)

9
9
8
7
8
9
9
9
9
9
7
5
2
4
7
9
9
9
9
8
6

Fog (%)

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

Precipitation Probability (%)

30
43
50
69
76
77
66
54
40
57
70
79
92
95
95
92
71
47
49
49
45

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

7
6
4
4
5
6
7
7
8
9
9
9
8
9
9
9
9
9
9
9
10

Chance of Frost

Temperature (°C)

28
27
26
25
24
23
22
22
21
21
21
20
20
20
20
20
21
22
24
25
26

Feels Like (°C)

27
28
30
31
24
24
25
24
23
22
21
21
20
20
20
20
21
22
24
23
24

Dew Point (°C)

15
17
19
21
21
21
21
20
20
19
19
19
20
19
20
20
20
21
22
22
22

Relative Humidity (%)

46
55
67
79
83
88
92
92
91
89
91
93
96
95
95
95
94
94
92
84
78

Pressure (mb)

1013
1012
1012
1012
1011
1011
1011
1011
1011
1011
1010
1010
1010
1009
1009
1009
1009
1009
1009
1009
1009

Ozone (du)

304
303
303
302
303
304
305
304
304
304
305
305
306
311
317
322
327
332
337
338
340

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

Generated: 20/08/26 17:07:46. Forecast: 20/08/26 to 26/08/26. Timezone: UTC+2.00