Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 27

Waxing Crescent 44%

13:24

23:23

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

Sun - Rise: 08:18, Set: 16:35, Transit: 12:26. Moon - Rise: 13:24, Set: 23:23. Civil Dark: 17:13 - 07:39. Nautical Dark: 17:55 - 06:57. Astro Dark: 18:36 - 06:17

Total Clouds (% Sky Obscured)

99
100
100
100
100
100
100
100
98
98
96
99
98
97
98
100
100
100
96
100
100
99
100
99

Low Clouds (% Sky Obscured)

47
100
83
87
100
100
100
100
95
96
94
91
77
74
83
79
89
81
84
100
100
91
100
95

Medium Clouds (% Sky Obscured)

92
97
90
94
100
95
82
91
84
78
84
73
84
77
59
53
24
34
37
42
49
54
93
95

High Clouds (% Sky Obscured)

97
100
96
100
100
30
54
31
32
29
34
28
37
36
50
100
97
99
57
19
22
58
68
44

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
5

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

Precipitation Probability (%)

0
0
0
42
50
56
47
31
19
9
6
0
1
0
0
0
1
0
0
1
13
59
68
45

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

7
8
9
10
13
14
14
14
15
14
14
15
14
14
14
14
14
14
14
14
14
14
14
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-3
-3
-2
-2
-2
-1
-1
-1
0
-0
1
1
0
1
1
1
1
1
1
2
2
2
2
2

Dew Point (°C)

1
1
1
1
1
2
2
2
3
3
4
4
4
4
5
5
5
5
5
5
5
5
5
5

Relative Humidity (%)

93
91
85
83
83
82
82
82
83
85
86
88
86
90
91
91
88
90
87
87
87
85
88
88

Pressure (mb)

1020
1019
1019
1019
1018
1018
1018
1018
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1016
1016
1015

Ozone (du)

272
271
270
268
266
265
264
264
263
261
260
259
258
257
256
255
255
256
256
256
255
254
254
255

Friday 28

First Quarter 55%

13:36

00:43

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

Sun - Rise: 08:19, Set: 16:34, Transit: 12:26. Moon - Rise: 13:36, Set: 00:43. Civil Dark: 17:13 - 07:40. Nautical Dark: 17:55 - 06:58. Astro Dark: 18:35 - 06:18

Total Clouds (% Sky Obscured)

99
99
99
99
100
99
100
100
100
100
100
100
100
100
100
75
78
91
95
51
24
18
32
33

Low Clouds (% Sky Obscured)

95
91
98
89
100
91
91
93
97
100
100
92
76
77
74
75
71
72
73
51
24
17
32
33

Medium Clouds (% Sky Obscured)

64
87
97
95
86
86
75
66
97
100
100
100
100
51
36
0
12
41
35
0
0
0
0
0

High Clouds (% Sky Obscured)

56
62
70
58
42
40
34
73
97
100
92
100
37
100
100
0
0
1
0
0
0
0
0
1

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

Precipitation Probability (%)

7
5
23
84
80
45
19
16
10
5
3
4
1
0
0
0
3
34
27
4
0
0
0
0

Precipitation Amount (mm)

0
0
0
0.5
0.5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

2
3
3
3
3
4
4
4
5
4
4
5
5
5
4
4
5
5
5
5
5
5
4
5

Dew Point (°C)

6
6
6
6
7
7
7
7
7
7
8
8
8
8
7
7
7
7
7
7
7
7
6
6

Relative Humidity (%)

90
91
91
91
93
95
93
91
91
93
95
95
95
93
93
91
90
88
87
88
93
96
96
96

Pressure (mb)

1015
1015
1015
1015
1014
1015
1015
1014
1014
1013
1012
1012
1012
1012
1012
1012
1011
1011
1011
1011
1011
1011
1012
1012

Ozone (du)

257
256
256
255
255
256
257
259
260
261
262
264
264
267
268
269
272
273
274
278
281
281
281
281

Saturday 29

Waxing Gibbous 66%

13:48

02:05

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 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 08:21, Set: 16:33, Transit: 12:27. Moon - Rise: 13:48, Set: 02:05. Civil Dark: 17:12 - 07:42. Nautical Dark: 17:54 - 06:59. Astro Dark: 18:35 - 06:19

Total Clouds (% Sky Obscured)

38
45
52
76
93
53
90
90
64
65
89
96
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

37
43
43
56
49
29
47
17
34
15
24
19
48
23
46
26
45
32
41
82
77
79
81
83

Medium Clouds (% Sky Obscured)

1
4
2
3
33
40
72
88
64
65
64
77
78
100
100
100
100
96
100
100
100
99
100
100

High Clouds (% Sky Obscured)

1
1
17
46
80
35
62
20
5
20
68
82
100
100
100
100
100
100
95
66
41
63
83
93

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
4
44
70
93
95
69
47
44

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.6
0.8
0.3
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

4
4
3
2
2
1
2
2
3
4
4
4
3
3
2
2
2
2
2
2
2
3
3
3

Dew Point (°C)

6
5
5
5
4
5
5
5
6
6
6
6
6
5
5
5
4
4
5
5
6
6
6
6

Relative Humidity (%)

96
93
94
94
94
94
91
88
87
82
81
81
82
84
84
85
82
84
87
88
91
93
88
87

Pressure (mb)

1012
1012
1012
1012
1012
1012
1012
1011
1011
1010
1009
1008
1007
1007
1006
1006
1005
1005
1004
1003
1003
1002
1002
1001

Ozone (du)

281
282
284
286
288
288
290
292
292
293
292
293
293
294
296
300
303
305
308
312
317
321
324
329

Sunday 30

Waxing Gibbous 77%

14:00

03:30

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

Sun - Rise: 08:22, Set: 16:32, Transit: 12:27. Moon - Rise: 14:00, Set: 03:30. Civil Dark: 17:11 - 07:43. Nautical Dark: 17:54 - 07:01. Astro Dark: 18:34 - 06:20

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
99
98
97
98
99
100
97
100
100
88
77
67
62
56
51
52
56
60

Low Clouds (% Sky Obscured)

82
79
78
77
77
76
73
70
67
60
54
46
35
30
26
17
9
0
2
3
5
19
37
53

Medium Clouds (% Sky Obscured)

97
35
36
39
37
40
38
36
30
23
13
0
17
43
100
88
74
67
62
56
51
18
14
31

High Clouds (% Sky Obscured)

100
100
94
62
47
45
33
20
0
28
63
95
96
92
88
70
52
34
26
17
9
6
3
0

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

40
26
18
12
10
28
25
10
15
23
41
46
49
52
58
73
84
81
91
83
66
57
44
38

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.6
0.5
0.8
0.6
0.4
0.3
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

2
2
1
0
-0
-1
-1
-1
-2
-2
-1
2
2
2
-1
-2
-2
-2
-2
-3
-3
-3
-3
-2

Dew Point (°C)

6
4
3
2
2
1
4
5
4
6
6
5
5
5
4
5
4
4
3
3
4
3
4
3

Relative Humidity (%)

88
84
79
72
67
64
84
87
75
85
90
82
85
84
85
93
91
90
86
88
90
88
90
88

Pressure (mb)

1002
1002
1002
1003
1003
1003
1003
1004
1004
1004
1004
1005
1005
1006
1007
1008
1009
1009
1009
1009
1010
1010
1010
1010

Ozone (du)

334
341
345
345
348
352
350
349
350
351
352
354
355
352
346
345
349
350
347
345
341
337
334
331

Monday 1

Waxing Gibbous 86%

14:13

No Set

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

Sun - Rise: 08:23, Set: 16:32, Transit: 12:28. Moon - Rise: 14:13, Set: No Set. Civil Dark: 17:11 - 07:44. Nautical Dark: 17:53 - 07:02. Astro Dark: 18:34 - 06:21

Total Clouds (% Sky Obscured)

67
73
79
56
58
69
76
79
74
77
96
93
100
100
100
98
98
98
99
99
100
100
100
100

Low Clouds (% Sky Obscured)

61
69
76
56
58
67
71
69
65
51
38
23
41
53
75
85
87
90
93
97
100
100
100
100

Medium Clouds (% Sky Obscured)

3
3
2
9
13
16
22
27
33
40
51
57
72
88
95
97
98
98
99
98
97
90
93
95

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
1
0
22
47
67
73
77
81
7
6
5
5
5
10
5
5
5

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
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

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

Precipitation Probability (%)

7
2
0
0
0
0
3
2
0
3
2
1
35
56
75
14
21
29
54
69
79
70
59
44

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-2
-2
-1
-1
-1
-0
0
2
2
3
3
2
1
1
0
-0
-1
-1
-1
-1
-1
-1
-1
-1

Dew Point (°C)

3
2
1
1
1
1
1
2
3
3
3
2
2
2
2
1
1
1
1
1
2
2
3
3

Relative Humidity (%)

83
76
75
76
82
82
79
79
81
78
75
74
74
76
76
75
73
72
71
74
76
79
80
81

Pressure (mb)

1010
1010
1011
1011
1011
1011
1011
1011
1010
1010
1009
1008
1007
1006
1006
1005
1007
1006
1005
1005
1004
1003
1003
1003

Ozone (du)

325
322
319
319
319
316
312
308
304
300
296
291
287
284
279
274
272
270
268
268
267
266
266
266

Tuesday 2

Waxing Gibbous 93%

14:30

05:00

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

Sun - Rise: 08:25, Set: 16:31, Transit: 12:28. Moon - Rise: 14:30, Set: 05:00. Civil Dark: 17:10 - 07:46. Nautical Dark: 17:53 - 07:03. Astro Dark: 18:34 - 06:22

Total Clouds (% Sky Obscured)

98
97
95
87
78
70
74
78
83
89
95
99
86
76
68
79
83
87
81
71
63
68
75
85

Low Clouds (% Sky Obscured)

98
96
93
85
76
66
68
77
83
89
95
96
72
49
27
24
29
38
38
35
20
36
52
69

Medium Clouds (% Sky Obscured)

82
70
57
70
78
70
54
28
2
8
14
25
24
23
22
24
27
28
36
41
50
55
60
64

High Clouds (% Sky Obscured)

6
11
0
1
2
2
10
19
28
22
25
33
55
76
68
79
82
76
52
28
5
5
4
3

ISS Passover

Visibility (miles)

8
8
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
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
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 (%)

38
30
13
10
7
1
1
1
0
4
7
8
11
11
11
11
9
2
5
4
0
20
32
43

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-1
-1
0
0
0
1
1
1
1
1
3
3
3
3
4
4
4
4
4
4
4
3
3
3

Dew Point (°C)

3
3
4
4
4
4
4
5
5
5
5
6
6
6
6
6
6
5
5
5
5
5
5
6

Relative Humidity (%)

82
82
82
84
84
84
85
84
82
81
81
81
82
84
87
87
88
88
88
90
91
91
93
94

Pressure (mb)

1003
1003
1003
1004
1004
1005
1006
1006
1006
1007
1007
1007
1007
1007
1008
1008
1008
1009
1009
1009
1009
1009
1009
1009

Ozone (du)

266
269
273
276
280
284
288
290
291
293
295
297
299
299
299
299
300
302
303
305
306
307
307
307

Wednesday 3

Waxing Gibbous 98%

14:54

06:35

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 OK
21 OK
22 OK
23 OK
00 OK

Sun - Rise: 08:26, Set: 16:31, Transit: 12:28. Moon - Rise: 14:54, Set: 06:35. Civil Dark: 17:10 - 07:47. Nautical Dark: 17:53 - 07:04. Astro Dark: 18:33 - 06:24

Total Clouds (% Sky Obscured)

87
88
89
87
86
84
84
83
85
82
79
76
64
52
40
35
31
24
28
30
33

Low Clouds (% Sky Obscured)

74
77
80
77
76
72
67
65
62
59
58
56
52
46
38
34
30
24
28
30
33

Medium Clouds (% Sky Obscured)

63
64
66
49
32
18
28
38
53
46
35
24
21
18
14
10
6
2
1
1
1

High Clouds (% Sky Obscured)

4
3
3
5
7
8
5
4
0
1
1
2
3
4
5
3
2
1
1
0
0

ISS Passover

Visibility (miles)

5
6
8
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

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

45
41
27
20
16
12
12
10
7
8
8
0
1
2
0
2
3
3
5
3
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

3
3
3
3
2
3
3
3
3
3
5
6
5
5
5
5
3
3
3
3
3

Dew Point (°C)

6
5
5
5
5
5
4
5
5
5
5
5
5
5
5
5
5
5
4
4
4

Relative Humidity (%)

94
93
93
93
88
84
78
78
78
78
80
79
82
87
90
91
93
94
94
94
94

Pressure (mb)

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

Ozone (du)

307
309
311
312
312
312
311
312
312
312
313
314
315
317
320
322
322
323
323
320
316

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

Generated: 27/11/25 04:37:56. Forecast: 27/11/25 to 03/12/25. Timezone: UTC+1.00