Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 23

Waxing Gibbous 83%

18:57

01:51

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 Good
21 Good
22 Good
23 Good
00 Good
01 Good
02 Good
03 Good
04 Good
05 Good

Sun - Rise: 06:37, Set: 20:45, Transit: 13:41. Moon - Rise: 18:57, Set: 01:51. Civil Dark: 21:21 - 06:01. Nautical Dark: 22:06 - 05:18. Astro Dark: 22:58 - 04:26

Total Clouds (% Sky Obscured)

47
64
69
77
91
85
92
74
93
75
65
65
58
27
12
0
0
1
2
0
3
2
0
3

Low Clouds (% Sky Obscured)

47
64
69
66
91
73
83
63
63
43
28
57
56
27
12
0
0
0
0
0
3
2
0
3

Medium Clouds (% Sky Obscured)

8
20
4
0
0
21
31
18
31
23
25
12
8
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

20
23
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
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 (%)

4
13
9
1
2
0
2
1
0
1
7
2
3
9
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)

3
4
5
5
5
7
7
8
8
8
8
9
8
8
6
4
5
5
4
4
4
4
3
3

Chance of Frost

Temperature (°C)

9
10
12
14
16
18
18
19
20
20
20
20
20
19
18
16
14
13
13
12
12
12
11
11

Feels Like (°C)

7
8
11
12
15
15
16
17
17
18
18
17
17
17
17
16
15
14
13
13
12
12
12
11

Dew Point (°C)

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

Relative Humidity (%)

78
68
65
64
62
60
57
54
50
50
47
51
54
61
73
85
87
90
90
90
90
90
90
90

Pressure (mb)

1024
1024
1024
1025
1025
1025
1025
1025
1025
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1025
1025
1024
1024
1024

Ozone (du)

356
358
360
362
361
358
356
354
351
348
346
345
346
345
344
344
344
344
345
346
345
346
345
346

Monday 24

Waxing Gibbous 90%

19:28

03:02

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

Sun - Rise: 06:39, Set: 20:43, Transit: 13:41. Moon - Rise: 19:28, Set: 03:02. Civil Dark: 21:19 - 06:03. Nautical Dark: 22:04 - 05:20. Astro Dark: 22:55 - 04:29

Total Clouds (% Sky Obscured)

7
0
0
0
0
12
15
20
20
17
14
4
0
0
0
0
0
3
35
76
95
44
90
90

Low Clouds (% Sky Obscured)

7
0
0
0
0
12
15
20
20
17
12
3
0
0
0
0
0
0
0
0
0
0
0
0

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
0
0
0
0
0
0
0
0
0
0
0
0
2
20
76
94
44
89
90

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)

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

Chance of Frost

Temperature (°C)

11
10
12
14
16
18
19
20
21
22
22
22
22
21
20
18
16
16
15
15
14
14
13
13

Feels Like (°C)

11
10
12
13
15
16
17
18
19
20
20
20
19
19
18
16
15
14
14
12
12
10
11
10

Dew Point (°C)

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

Relative Humidity (%)

90
87
81
68
57
50
46
42
38
37
35
35
36
40
47
56
61
63
65
64
68
72
76
76

Pressure (mb)

1024
1024
1024
1024
1024
1023
1023
1022
1021
1020
1019
1019
1018
1017
1017
1017
1017
1017
1016
1016
1015
1015
1015
1014

Ozone (du)

348
348
346
346
346
345
343
339
333
329
327
328
329
329
329
326
327
324
321
320
318
317
318
318

Tuesday 25

Waxing Gibbous 95%

19:51

04:18

06 OK
07 OK
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

Sun - Rise: 06:40, Set: 20:40, Transit: 13:40. Moon - Rise: 19:51, Set: 04:18. Civil Dark: 21:16 - 06:04. Nautical Dark: 22:01 - 05:22. Astro Dark: 22:52 - 04:31

Total Clouds (% Sky Obscured)

44
37
80
65
85
99
100
100
100
100
100
100
98
89
90
52
87
97
100
100
98
97
96
97

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
50
75
51
75
67
80
68
34
33
31
85
91
57
85
80
67

Medium Clouds (% Sky Obscured)

0
0
0
0
0
30
33
87
100
100
100
100
97
89
69
6
25
32
69
67
70
74
74
75

High Clouds (% Sky Obscured)

43
37
73
65
85
99
100
100
100
100
100
46
74
15
1
19
80
95
100
100
89
65
66
77

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

0
0
0
0
0
4
8
16
33
56
89
95
71
34
33
33
35
64
95
95
83
75
64
73

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.5
1.4
0.3
0
0
0
0
0
1.1
1.7
0.6
0.3
0
0.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

9
10
11
11
14
14
16
16
17
17
17
17
17
17
16
15
15
15
15
15
15
15
15
16

Dew Point (°C)

9
8
8
7
6
6
5
5
6
7
9
12
16
17
16
16
15
14
14
15
15
15
15
15

Relative Humidity (%)

77
75
69
59
49
42
37
35
36
39
46
66
93
95
90
90
87
86
87
89
90
92
90
93

Pressure (mb)

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

Ozone (du)

317
316
314
313
313
313
313
312
311
312
314
314
313
314
315
314
312
310
308
310
311
311
311
311

Wednesday 26

Waxing Gibbous 98%

20:09

05:35

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

Sun - Rise: 06:42, Set: 20:38, Transit: 13:40. Moon - Rise: 20:09, Set: 05:35. Civil Dark: 21:14 - 06:06. Nautical Dark: 21:58 - 05:24. Astro Dark: 22:49 - 04:34

Total Clouds (% Sky Obscured)

99
100
98
96
93
95
97
82
68
92
100
79
67
54
42
21
23
35
59
69
98
97
95
96

Low Clouds (% Sky Obscured)

53
48
52
54
79
82
76
39
42
47
40
32
53
54
41
13
14
13
12
12
12
13
14
17

Medium Clouds (% Sky Obscured)

64
63
69
70
75
75
72
42
11
11
7
5
3
1
1
0
1
0
3
4
10
20
62
96

High Clouds (% Sky Obscured)

89
100
83
63
49
66
43
57
62
85
100
69
43
2
5
2
5
25
54
69
93
87
81
83

ISS Passover

Visibility (miles)

7
6
5
8
4
9
9
9
9
9
9
9
9
9
9
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
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

78
82
79
81
57
47
37
40
50
65
75
67
61
54
41
28
0
0
0
0
0
6
47
95

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

16
17
17
19
19
21
21
23
24
25
23
23
24
23
23
22
22
21
21
20
20
19
18
19

Dew Point (°C)

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

Relative Humidity (%)

95
95
95
92
92
91
88
81
65
58
54
54
54
57
65
73
76
78
81
84
85
82
84
86

Pressure (mb)

1012
1013
1013
1013
1013
1014
1014
1014
1014
1014
1014
1013
1013
1013
1013
1013
1013
1013
1013
1013
1012
1011
1011
1011

Ozone (du)

310
311
311
312
311
312
313
313
311
310
312
312
312
312
312
313
311
311
308
309
310
308
308
307

Thursday 27

Waxing Gibbous 100%

20:22

No Set

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

Sun - Rise: 06:43, Set: 20:36, Transit: 13:40. Moon - Rise: 20:22, Set: No Set. Civil Dark: 21:12 - 06:08. Nautical Dark: 21:56 - 05:26. Astro Dark: 22:46 - 04:36

Total Clouds (% Sky Obscured)

98
99
99
100
100
100
100
100
100
100
97
84
75
100
100
100
100
92
83
76
84
93
100
85

Low Clouds (% Sky Obscured)

16
45
65
67
69
73
62
86
54
51
43
52
52
57
63
64
64
54
42
29
34
39
45
43

Medium Clouds (% Sky Obscured)

97
98
99
46
48
96
90
84
39
13
13
16
16
29
44
69
96
92
83
76
84
91
94
73

High Clouds (% Sky Obscured)

87
89
84
80
73
82
90
100
100
100
97
84
75
100
100
100
100
77
53
30
53
74
98
72

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

40
23
7
12
35
61
38
13
46
57
48
36
35
52
95
95
95
95
95
95
87
73
54
43

Precipitation Amount (mm)

0
0
0
0
0
0.3
0
0
0
0
0
0
0
0
1.5
2
2.4
1.9
1.6
0.9
0.6
0.4
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

18
18
19
20
21
22
23
23
24
25
25
26
25
25
23
21
20
20
19
19
18
18
17
17

Feels Like (°C)

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

Dew Point (°C)

17
17
17
18
19
20
21
21
23
21
19
18
17
17
18
18
18
19
18
18
17
17
17
16

Relative Humidity (%)

93
93
90
91
92
91
88
87
91
79
66
60
59
61
71
79
88
96
95
93
92
95
95
95

Pressure (mb)

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

Ozone (du)

308
310
312
313
311
311
311
314
316
320
322
328
331
327
321
320
320
319
321
323
324
329
334
339

Friday 28

Full Moon 99%

20:34

06:52

06 Bad
07 Bad
08 Bad
09 OK
10 OK
11 OK
12 OK
13 OK
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

Sun - Rise: 06:45, Set: 20:34, Transit: 13:39. Moon - Rise: 20:34, Set: 06:52. Civil Dark: 21:09 - 06:10. Nautical Dark: 21:53 - 05:28. Astro Dark: 22:42 - 04:39

Total Clouds (% Sky Obscured)

69
51
37
28
19
26
31
38
42
44
46
63
78
92
83
72
59
58
57
59
65
74
83
89

Low Clouds (% Sky Obscured)

43
41
36
28
19
26
30
28
33
39
44
43
46
46
40
33
29
24
19
15
24
33
43
55

Medium Clouds (% Sky Obscured)

51
29
18
9
0
2
5
7
14
18
22
18
13
8
14
18
18
18
18
14
18
19
19
48

High Clouds (% Sky Obscured)

47
26
20
11
1
4
8
11
8
6
3
13
26
47
34
25
17
19
20
24
43
62
83
85

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

35
6
6
5
0
1
1
1
3
5
2
5
8
2
14
19
26
21
18
12
34
43
38
60

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
0.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

17
16
16
16
16
15
16
17
17
22
21
20
21
20
20
17
16
16
16
16
15
13
13
14

Dew Point (°C)

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

Relative Humidity (%)

95
95
93
82
72
64
59
52
48
48
49
51
53
54
55
62
69
78
79
83
86
87
87
89

Pressure (mb)

1006
1007
1007
1007
1007
1007
1007
1007
1007
1006
1006
1005
1005
1005
1004
1004
1004
1004
1004
1004
1004
1003
1003
1002

Ozone (du)

341
344
346
343
340
337
338
338
338
338
338
338
339
340
341
340
340
339
340
340
340
340
339
338

Saturday 29

Waning Gibbous 96%

20:46

08:09

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
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad

Sun - Rise: 06:47, Set: 20:32, Transit: 13:39. Moon - Rise: 20:46, Set: 08:09. Civil Dark: 21:07 - 06:11. Nautical Dark: 21:51 - 05:30. Astro Dark: 22:39 - 04:41

Total Clouds (% Sky Obscured)

95
100
97
94
92
95
97
100
97
95
92
89
85
81
80
80
76
72
68
64

Low Clouds (% Sky Obscured)

67
79
74
67
62
71
78
85
78
72
67
59
51
40
33
31
25
27
25
30

Medium Clouds (% Sky Obscured)

74
99
96
93
90
90
91
91
83
73
64
46
30
13
12
10
11
10
9
8

High Clouds (% Sky Obscured)

84
83
71
60
48
66
80
95
93
90
88
68
49
30
44
58
72
70
68
64

ISS Passover

Visibility (miles)

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

Fog (%)

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
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
Very Light Rain
Very Light Rain
None
None

Precipitation Probability (%)

69
64
59
57
55
64
77
91
95
95
95
95
95
95
93
82
65
56
44
30

Precipitation Amount (mm)

0.3
0
0
0
0
0.2
0.3
0.4
1.1
1.5
1.6
1.2
0.8
0.8
0.7
0.5
0.3
0.2
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

16
16
16
17
17
18
18
18
17
18
18
18
18
18
18
17
17
17
16
16

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
90
90
87
83
81
83
85
88
82
76
70
76
81
88
89
90
92
93
92

Pressure (mb)

1002
1002
1002
1003
1003
1003
1003
1003
1004
1004
1004
1004
1005
1005
1005
1005
1006
1006
1006
1007

Ozone (du)

338
337
337
339
340
342
340
339
338
339
341
342
342
341
341
337
332
327
327
326

Forecast for 's-Hertogenbosch, Gemeente 's-Hertogenbosch, Netherlands (51.70,5.30)

Generated: 23/08/26 06:15:26. Forecast: 23/08/26 to 29/08/26. Timezone: UTC+2.00