Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 24

Waxing Gibbous 90%

19:57

03:04

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

Sun - Rise: 06:43, Set: 20:45, 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
5
0
3
14
10
45
9
59
40
45
82
64
78
90
79
43
64
61
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
14
24
57
52
55

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
1
4
6

High Clouds (% Sky Obscured)

0
0
0
0
0
3
14
10
40
9
59
39
45
82
64
78
90
79
41
48
35
100
100
100

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
11
12
13
13
12
12
12
12
13
12
13
14
14
14
14
14
14
13
13
12
11
10
7

Chance of Frost

Temperature (°C)

18
17
17
16
15
15
14
14
13
13
13
14
15
18
20
21
23
24
25
25
25
25
24
23

Feels Like (°C)

17
15
15
13
13
13
12
12
11
10
11
10
12
15
16
19
19
20
21
22
23
23
23
22

Dew Point (°C)

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

Relative Humidity (%)

51
51
52
56
61
64
68
71
72
74
75
71
64
57
49
43
38
36
35
37
40
44
47
50

Pressure (mb)

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

Ozone (du)

329
329
329
329
327
324
323
323
324
322
322
322
323
323
321
321
320
318
317
317
317
317
315
313

Tuesday 25

Waxing Gibbous 95%

20:14

04:21

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

Sun - Rise: 06:45, Set: 20:43, Transit: 13:44. Moon - Rise: 20:14, 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)

91
97
93
97
97
99
100
100
100
99
100
99
86
79
43
70
54
33
45
84
93
99
93
91

Low Clouds (% Sky Obscured)

21
0
0
42
66
83
79
56
64
38
29
42
36
32
39
59
42
25
32
24
32
25
30
17

Medium Clouds (% Sky Obscured)

14
91
18
96
95
28
90
20
100
99
99
77
10
14
6
8
8
5
5
4
3
7
7
2

High Clouds (% Sky Obscured)

41
91
70
22
27
59
100
100
100
89
100
88
84
76
0
0
0
1
8
49
93
99
93
90

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
8
9
9
8
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
Very Light Rain
Very Light Rain
None
None
None
None

Precipitation Probability (%)

0
0
0
0
3
5
2
2
6
9
3
0
0
0
0
0
2
24
47
48
33
19
31
13

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

22
21
19
19
19
18
18
18
18
18
17
17
18
19
21
22
23
24
25
25
24
23
23
23

Feels Like (°C)

21
19
17
17
17
16
16
16
16
17
17
17
17
20
22
23
25
25
26
26
24
24
25
24

Dew Point (°C)

12
13
12
12
11
11
10
11
12
13
13
13
14
14
15
15
15
15
15
16
18
18
18
19

Relative Humidity (%)

53
62
63
65
62
60
59
62
70
74
77
77
77
72
68
63
59
57
55
57
68
72
72
80

Pressure (mb)

1012
1013
1013
1013
1013
1012
1012
1012
1012
1012
1012
1012
1012
1013
1013
1013
1012
1012
1012
1012
1012
1012
1012
1012

Ozone (du)

312
311
311
311
311
311
311
311
313
315
318
320
321
321
321
320
318
317
316
315
316
316
316
315

Wednesday 26

Waxing Gibbous 98%

20:27

05:38

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
20 Bad

Sun - Rise: 06:47, Set: 20:41, Transit: 13:44. Moon - Rise: 20:27, 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)

96
97
82
83
86
96
74
100
100
100
100
97
100
100
100
100
96
97
95
73
80
100
100
100

Low Clouds (% Sky Obscured)

10
7
26
30
35
34
29
33
38
48
29
0
10
22
38
25
53
50
48
33
34
32
29
30

Medium Clouds (% Sky Obscured)

1
13
20
16
22
20
10
83
72
94
100
22
26
15
100
53
13
64
23
17
16
6
11
97

High Clouds (% Sky Obscured)

96
91
18
8
22
81
11
100
100
100
100
97
100
100
100
20
29
52
73
73
79
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
2
8
5
8
8
9
9
9
9
9
9
9
9
9
9
3

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

Precipitation Probability (%)

2
0
0
5
0
0
1
44
70
34
39
26
15
10
10
0
12
41
47
60
64
71
95
86

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.3
0
0
0
0
0
0
0
0
0
0
0.4
0.3
0.4
1
0.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
86
86
88
86
84
80
78
84
89
92
92
88
82
78
75
65
63
63
62
63
67
69
85

Pressure (mb)

1012
1012
1012
1011
1011
1011
1010
1010
1010
1010
1009
1009
1009
1010
1010
1010
1010
1009
1009
1009
1009
1009
1008
1008

Ozone (du)

314
314
314
313
312
312
311
311
308
308
311
311
314
315
316
318
318
320
324
327
323
321
318
316

Thursday 27

Waxing Gibbous 100%

20:39

06:56

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
20 Bad

Sun - Rise: 06:48, Set: 20:39, Transit: 13:43. Moon - Rise: 20:39, 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
100
100
100
88
77
62
67
78
60
59
84
62
58
78
82
62
100
100
65
88
82
76

Low Clouds (% Sky Obscured)

27
26
33
42
94
40
23
2
55
52
41
45
43
48
40
29
23
22
21
22
21
55
56
27

Medium Clouds (% Sky Obscured)

92
38
98
98
98
88
77
42
34
50
16
8
10
9
12
12
13
11
10
9
8
10
9
8

High Clouds (% Sky Obscured)

100
100
100
100
100
80
48
40
0
40
2
21
67
62
58
78
82
62
100
100
53
80
69
60

ISS Passover

Visibility (miles)

9
9
9
9
5
9
9
9
2
7
9
9
9
9
9
9
9
9
9
9
9
9
7
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

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

Precipitation Probability (%)

75
63
78
95
95
95
95
95
95
53
32
37
52
56
59
61
61
55
50
21
25
40
34
21

Precipitation Amount (mm)

0.3
0
0.3
1
0.9
1.4
2.4
5.3
0.9
0
0
0
0
0
0.2
0.2
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

4
3
4
4
6
5
6
8
9
10
9
8
11
11
11
11
11
10
9
8
7
9
10
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
88
88
89
86
85
86
88
88
86
85
85
82
76
67
62
60
58
55
54
54
54
60
66

Pressure (mb)

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

Ozone (du)

315
315
315
315
315
316
323
329
335
337
337
337
337
337
338
337
336
335
334
333
332
331
330
331

Friday 28

Full Moon 99%

20:50

08:13

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
20 Bad

Sun - Rise: 06:50, Set: 20:36, Transit: 13:43. Moon - Rise: 20:50, 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)

69
62
60
61
48
70
80
89
79
90
93
89
74
58
67
75
85
79
75
71
79
86
95
96

Low Clouds (% Sky Obscured)

64
62
60
61
39
63
72
74
67
84
91
76
68
58
40
33
29
25
24
19
22
25
28
48

Medium Clouds (% Sky Obscured)

69
62
26
11
27
52
12
18
17
11
6
1
2
3
3
3
2
2
2
2
19
37
54
69

High Clouds (% Sky Obscured)

14
28
25
3
0
0
0
1
0
0
0
40
19
1
27
53
78
64
49
34
53
72
89
71

ISS Passover

Visibility (miles)

9
5
9
9
9
9
9
6
4
5
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

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

Precipitation Probability (%)

48
49
34
24
26
51
53
69
68
59
43
91
87
62
75
64
44
39
30
13
18
19
19
28

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

5
6
8
10
10
10
11
10
12
15
15
14
14
15
15
15
15
15
15
15
14
14
14
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

14
14
14
14
14
14
15
15
15
15
14
14
14
14
14
14
14
14
14
15
15
15
15
14

Relative Humidity (%)

70
72
78
79
78
82
87
86
86
88
82
81
77
73
69
68
68
66
67
68
68
70
71
72

Pressure (mb)

1008
1008
1008
1008
1008
1008
1007
1007
1007
1007
1008
1009
1009
1009
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010

Ozone (du)

332
332
333
335
338
338
334
333
334
332
330
325
321
318
314
312
311
309
307
304
301
301
301
301

Saturday 29

Waning Gibbous 96%

21:01

09:32

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 OK
20 Bad

Sun - Rise: 06:52, Set: 20:34, Transit: 13:43. Moon - Rise: 21:01, 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)

98
99
99
98
98
91
85
80
66
54
44
53
63
72
81
90
100
82
65
47
41
35
30
43

Low Clouds (% Sky Obscured)

66
81
86
91
95
88
81
74
61
45
35
34
30
30
32
35
38
31
24
17
21
28
30
30

Medium Clouds (% Sky Obscured)

84
99
89
79
69
50
31
17
11
7
0
5
11
16
15
15
14
12
11
10
7
4
2
8

High Clouds (% Sky Obscured)

57
45
33
18
4
3
1
0
4
7
12
27
42
58
72
86
100
74
48
20
13
7
0
21

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

39
56
73
80
78
71
60
53
49
41
25
26
21
15
15
14
8
15
13
4
10
13
12
23

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

76
80
82
86
88
90
89
88
86
83
81
77
73
69
66
65
64
63
63
63
63
64
65
67

Pressure (mb)

1010
1010
1009
1009
1008
1008
1008
1008
1008
1008
1008
1009
1009
1010
1010
1010
1010
1010
1010
1010
1009
1009
1008
1008

Ozone (du)

302
303
304
306
308
310
309
308
308
307
307
306
307
308
309
310
310
311
312
313
314
315
315
316

Sunday 30

Waning Gibbous 91%

21:01

10:53

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: 06:53, Set: 20:32, Transit: 13:42. Moon - Rise: 21:01, Set: 10:53. Civil Dark: 21:10 - 06:18. Nautical Dark: 21:53 - 05:34. Astro Dark: 22:42 - 04:46

Total Clouds (% Sky Obscured)

57
71
78
88
95
93
90
87
73
61
54
65
74
83
78
72
67

Low Clouds (% Sky Obscured)

25
21
19
24
28
42
52
58
52
44
35
48
61
72
65
53
40

Medium Clouds (% Sky Obscured)

13
16
9
4
0
21
41
64
43
24
4
8
11
15
18
13
12

High Clouds (% Sky Obscured)

45
71
78
88
95
93
88
80
51
24
0
0
1
1
1
1
2

ISS Passover

Visibility (miles)

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

Fog (%)

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

Precipitation Type

None
None
None
Very Light Rain
Very Light Rain
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

Precipitation Probability (%)

34
48
57
68
75
90
95
95
95
95
85
81
80
81
78
74
67

Precipitation Amount (mm)

0
0
0
0.2
0.3
0.5
0.6
0.5
1
0.8
0.6
0.5
0.5
0.5
0.5
0.4
0.3

Wind Speed/Direction (mph)

10
10
10
11
12
13
14
15
17
16
15
15
16
17
18
18
19

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

71
76
81
83
85
88
86
83
83
82
81
81
78
77
76
76
76

Pressure (mb)

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

Ozone (du)

319
321
323
325
327
329
331
334
336
333
329
325
325
325
325
324
322

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

Generated: 24/08/26 21:26:07. Forecast: 24/08/26 to 30/08/26. Timezone: UTC+2.00