Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 23

Waxing Gibbous 83%

19:35

01:52

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

Sun - Rise: 06:42, Set: 20:50, Transit: 13:45. Moon - Rise: 19:35, Set: 01:52. Civil Dark: 21:26 - 06:05. Nautical Dark: 22:12 - 05:20. Astro Dark: 23:05 - 04:27

Total Clouds (% Sky Obscured)

55
48
49
14
30
5
3
4
2
7
8
3
0
0
3
28
22
19
23
16
18
18
15
0

Low Clouds (% Sky Obscured)

43
8
8
5
1
2
0
0
2
6
6
3
0
0
2
21
18
16
19
15
15
16
15
0

Medium Clouds (% Sky Obscured)

0
0
0
0
13
4
3
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

2
28
34
5
10
2
2
2
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
3
2
3
1
1
1
1
1
2
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

60
63
67
69
73
74
76
76
77
79
81
81
79
70
61
55
49
45
42
40
39
38
38
41

Pressure (mb)

1025
1025
1025
1025
1025
1025
1025
1024
1024
1024
1024
1024
1024
1024
1024
1023
1023
1022
1022
1021
1020
1019
1018
1018

Ozone (du)

347
347
347
346
345
345
344
343
343
343
344
344
344
344
342
342
342
342
340
335
330
329
330
332

Monday 24

Waxing Gibbous 90%

19:57

03:04

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

Sun - Rise: 06:43, Set: 20:47, Transit: 13:44. Moon - Rise: 19:57, Set: 03:04. Civil Dark: 21:24 - 06:07. Nautical Dark: 22:09 - 05:22. Astro Dark: 23:02 - 04:30

Total Clouds (% Sky Obscured)

0
0
0
0
0
2
1
2
33
31
24
34
27
13
45
100
76
33
71
76
69
76
95
54

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
7
8
19
33

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)

0
0
0
0
0
1
1
1
28
26
17
29
27
12
45
100
76
33
71
76
69
76
95
26

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)

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

Chance of Frost

Temperature (°C)

20
19
18
17
16
15
15
14
14
14
13
13
14
15
18
20
22
23
24
25
25
25
25
25

Feels Like (°C)

18
17
17
16
14
14
13
13
12
10
10
10
10
11
14
15
18
20
22
23
23
24
23
22

Dew Point (°C)

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

Relative Humidity (%)

47
56
60
57
58
64
66
67
69
69
72
72
69
61
54
48
42
36
34
35
36
38
38
43

Pressure (mb)

1017
1017
1017
1017
1017
1017
1016
1016
1015
1015
1015
1014
1015
1014
1014
1014
1013
1013
1013
1012
1012
1011
1011
1011

Ozone (du)

333
333
334
332
332
327
327
324
322
322
320
320
320
320
321
320
318
317
316
315
314
313
312
311

Tuesday 25

Waxing Gibbous 95%

19:57

04:21

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 OK
19 OK

Sun - Rise: 06:45, Set: 20:45, Transit: 13:44. Moon - Rise: 19:57, Set: 04:21. Civil Dark: 21:21 - 06:09. Nautical Dark: 22:07 - 05:24. Astro Dark: 22:58 - 04:33

Total Clouds (% Sky Obscured)

57
85
84
86
68
68
58
99
79
93
93
100
99
100
96
98
100
100
83
59
44
37
34
31

Low Clouds (% Sky Obscured)

17
37
35
25
2
19
20
33
58
83
62
41
37
34
37
35
43
80
71
41
31
28
27
25

Medium Clouds (% Sky Obscured)

0
9
70
86
48
18
17
14
8
3
20
19
86
98
36
17
39
27
15
14
11
5
2
1

High Clouds (% Sky Obscured)

25
64
77
16
18
30
9
96
34
59
80
80
94
84
87
93
100
100
54
26
0
0
1
3

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
5
15
3
0
0
0
0
0
0
0
3
11
6
9
10
18
20
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

20
20
19
18
16
17
17
16
15
16
16
16
16
17
19
21
22
21
22
24
25
26
25
25

Dew Point (°C)

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

Relative Humidity (%)

64
73
67
66
64
72
76
78
82
83
86
90
86
83
78
71
69
70
71
65
62
62
64
66

Pressure (mb)

1012
1012
1012
1012
1012
1012
1012
1012
1012
1011
1011
1011
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012

Ozone (du)

312
315
313
312
310
307
306
307
308
308
308
309
311
313
314
315
313
315
317
318
317
315
313
312

Wednesday 26

Waxing Gibbous 98%

20:14

05:38

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: 06:47, Set: 20:43, Transit: 13:44. Moon - Rise: 20:14, Set: 05:38. Civil Dark: 21:19 - 06:11. Nautical Dark: 22:04 - 05:26. Astro Dark: 22:55 - 04:35

Total Clouds (% Sky Obscured)

72
87
100
100
68
94
100
100
100
93
76
88
93
96
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

20
20
41
5
5
4
10
15
22
24
29
29
25
33
30
56
61
59
53
27
30
34
37
70

Medium Clouds (% Sky Obscured)

0
0
0
4
0
3
68
5
13
6
13
41
89
70
98
97
98
98
46
22
30
92
89
70

High Clouds (% Sky Obscured)

63
80
100
100
67
93
100
100
100
87
57
69
81
88
99
99
100
100
100
100
100
100
100
94

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
2
9
9
7
6
3
8
9
9
9
6
7

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
Light Rain
Light Rain
None
None
Light Rain
Light Rain
Light Rain
None
None
None
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

8
3
0
0
0
0
0
0
0
0
10
82
80
25
46
91
95
95
57
42
50
79
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.7
0.7
0
0
0.8
1
1.2
0
0
0
0.4
0.6
1.1

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

22
21
21
20
20
19
19
19
19
19
18
18
18
19
20
21
20
21
21
22
23
22
22
21

Feels Like (°C)

25
22
22
21
20
21
19
19
19
19
18
19
18
19
20
21
21
21
22
23
23
22
22
22

Dew Point (°C)

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

Relative Humidity (%)

69
73
73
70
74
76
84
86
86
86
88
88
90
92
89
84
92
95
96
85
71
71
74
79

Pressure (mb)

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

Ozone (du)

311
311
310
312
313
312
312
312
311
312
312
311
311
311
310
311
313
314
316
316
317
323
333
333

Thursday 27

Waxing Gibbous 100%

20:27

06:56

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: 06:48, Set: 20:41, Transit: 13:43. Moon - Rise: 20:27, Set: 06:56. Civil Dark: 21:17 - 06:13. Nautical Dark: 22:01 - 05:28. Astro Dark: 22:52 - 04:38

Total Clouds (% Sky Obscured)

100
100
97
100
100
100
100
100
100
100
65
63
73
71
75
78
82
86
90
94
97
98
98
99

Low Clouds (% Sky Obscured)

33
30
25
31
35
37
35
31
30
33
33
34
58
52
50
30
24
22
28
36
44
54
65
76

Medium Clouds (% Sky Obscured)

68
96
89
65
100
100
93
87
59
3
0
0
0
0
1
23
46
68
62
57
51
54
58
61

High Clouds (% Sky Obscured)

82
60
36
54
76
100
94
100
100
100
65
63
52
41
46
41
43
41
53
65
77
69
58
50

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

95
79
58
77
65
82
57
46
14
12
15
38
82
68
51
58
50
25
28
29
33
56
58
62

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

18
18
18
17
17
15
15
15
15
15
15
15
15
15
14
14
13
13
12
12
12
12
12
12

Relative Humidity (%)

85
86
88
86
86
82
86
88
89
89
90
92
92
85
78
72
67
61
56
57
58
58
60
63

Pressure (mb)

1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1005

Ozone (du)

333
332
333
330
326
327
328
331
334
339
343
340
339
339
340
340
339
338
337
337
338
338
338
337

Friday 28

Full Moon 99%

20:39

08:13

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: 06:50, Set: 20:39, Transit: 13:43. Moon - Rise: 20:39, Set: 08:13. Civil Dark: 21:14 - 06:14. Nautical Dark: 21:59 - 05:30. Astro Dark: 22:49 - 04:41

Total Clouds (% Sky Obscured)

95
93
90
86
81
77
71
68
67
74
84
94
91
87
86
84
84
80
78
77
78
79
78
80

Low Clouds (% Sky Obscured)

63
51
43
45
47
52
41
29
18
34
48
65
71
77
83
77
69
62
51
39
26
37
48
59

Medium Clouds (% Sky Obscured)

47
32
18
23
28
37
41
42
46
51
56
60
64
66
70
70
70
70
58
46
34
37
40
47

High Clouds (% Sky Obscured)

55
60
69
51
34
21
18
25
37
48
55
66
70
75
80
79
78
77
57
47
44
45
46
47

ISS Passover

Visibility (miles)

9
9
8
7
8
9
9
9
8
8
8
8
8
7
7
7
8
8
8
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

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

Precipitation Probability (%)

71
85
95
95
95
95
95
95
95
94
81
68
76
81
88
83
73
65
55
41
30
31
38
45

Precipitation Amount (mm)

0.4
0.6
0.8
0.8
0.9
1.5
1.6
1.7
0.9
0.7
0.4
0.2
0.4
0.5
0.6
0.5
0.4
0.4
0.3
0
0
0
0
0

Wind Speed/Direction (mph)

6
7
7
8
8
9
11
10
10
9
10
11
11
12
13
14
14
15
17
17
16
16
16
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

66
70
71
73
77
79
83
85
86
89
87
86
86
87
90
93
88
82
78
74
69
65
66
68

Pressure (mb)

1005
1005
1005
1005
1004
1004
1004
1004
1004
1004
1004
1005
1005
1005
1005
1006
1006
1006
1007
1007
1007
1007
1007
1007

Ozone (du)

337
336
336
335
337
338
340
339
339
338
336
334
332
332
332
332
331
331
330
329
327
325
325
324

Saturday 29

Waning Gibbous 96%

20:50

09:32

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: 06:52, Set: 20:36, Transit: 13:43. Moon - Rise: 20:50, Set: 09:32. Civil Dark: 21:12 - 06:16. Nautical Dark: 21:56 - 05:32. Astro Dark: 22:46 - 04:43

Total Clouds (% Sky Obscured)

72
65
58
63
73
80
82
81
79
84
90
96
97
98
100
100
100
100

Low Clouds (% Sky Obscured)

53
48
42
46
54
55
60
61
61
69
76
83
79
75
74
69
68
68

Medium Clouds (% Sky Obscured)

42
33
24
31
40
52
40
29
13
17
16
15
13
11
10
10
6
4

High Clouds (% Sky Obscured)

49
52
56
63
73
80
75
75
70
50
32
18
35
51
66
81
92
100

ISS Passover

Visibility (miles)

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

Fog (%)

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

Precipitation Type

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

Precipitation Probability (%)

57
63
72
75
75
74
71
69
68
80
90
95
92
93
93
73
58
43

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

19
19
19
18
18
18
17
17
17
17
18
18
18
18
18
19
19
20

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

68
68
66
68
72
77
81
81
81
79
77
76
73
72
73
72
72
72

Pressure (mb)

1007
1007
1007
1007
1007
1007
1007
1007
1007
1007
1007
1007
1007
1007
1008
1008
1008
1008

Ozone (du)

324
325
326
327
325
323
321
321
322
322
320
317
315
313
311
309
308
306

Forecast for Schildersbuurt, Gemeente Den Haag, Netherlands (52.07,4.30)

Generated: 23/08/26 20:34:24. Forecast: 23/08/26 to 29/08/26. Timezone: UTC+2.00