Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 30

Waxing Gibbous 77%

14:13

03:32

17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 OK
02 OK
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: 08:28, Set: 16:29, Transit: 12:29. Moon - Rise: 14:13, Set: 03:32. Civil Dark: 17:10 - 07:48. Nautical Dark: 17:53 - 07:05. Astro Dark: 18:34 - 06:23

Total Clouds (% Sky Obscured)

100
100
100
89
82
66
47
55
33
24
70
90
69
87
100
100
100
100
100
100
100
100
100
99

Low Clouds (% Sky Obscured)

85
100
92
81
68
64
47
55
33
11
27
39
51
66
58
57
49
53
71
74
100
94
93
86

Medium Clouds (% Sky Obscured)

45
46
71
79
52
0
0
0
0
4
16
26
11
17
75
98
100
100
97
97
90
77
100
97

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
1
1
5
35
60
20
48
100
100
100
100
100
100
100
100
100
65

ISS Passover

Visibility (miles)

9
9
4
6
8
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

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

Precipitation Probability (%)

35
5
7
58
41
18
4
1
0
0
0
0
0
0
0
0
1
16
37
48
52
55
68
67

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

12
11
10
9
10
9
8
8
8
8
10
11
12
14
15
16
17
18
19
19
20
20
20
20

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

2
2
3
4
3
4
4
4
4
3
2
2
0
-1
-2
-2
-2
-2
-2
-1
-1
-1
0
-0

Dew Point (°C)

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

Relative Humidity (%)

76
84
85
84
85
81
81
85
83
82
82
83
85
86
85
85
83
80
79
76
74
72
72
72

Pressure (mb)

1011
1012
1012
1013
1014
1014
1015
1015
1015
1014
1014
1014
1014
1014
1013
1013
1012
1012
1011
1011
1010
1009
1008
1008

Ozone (du)

334
330
328
326
326
324
321
315
311
307
303
296
292
291
291
289
287
285
283
283
281
280
278
275

Monday 1

Waxing Gibbous 86%

14:28

05:03

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: 08:29, Set: 16:28, Transit: 12:29. Moon - Rise: 14:28, Set: 05:03. Civil Dark: 17:09 - 07:49. Nautical Dark: 17:52 - 07:06. Astro Dark: 18:34 - 06:25

Total Clouds (% Sky Obscured)

100
100
100
100
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
96

Low Clouds (% Sky Obscured)

94
74
88
96
91
63
53
79
85
78
72
82
93
72
70
74
82
64
86
68
72
62
64
84

Medium Clouds (% Sky Obscured)

99
100
100
82
81
100
97
99
100
100
100
100
100
100
89
99
77
60
12
16
7
63
25
54

High Clouds (% Sky Obscured)

100
100
100
100
71
91
92
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
73

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

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

Precipitation Probability (%)

61
22
4
0
1
0
1
29
35
23
37
70
43
34
20
15
4
12
6
3
0
0
0
1

Precipitation Amount (mm)

0.3
0
0
0
0
0
0
0
0
0
0
0.4
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

0
0
0
0
-0
-1
-1
-1
-1
-1
-1
-1
1
1
1
1
2
2
3
2
3
5
4
4

Dew Point (°C)

3
3
3
3
2
1
0
-1
-2
-3
-1
-1
2
3
4
4
4
4
5
5
5
6
6
5

Relative Humidity (%)

76
78
75
75
71
65
62
58
55
52
58
59
74
81
85
85
85
87
87
87
85
85
87
85

Pressure (mb)

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

Ozone (du)

272
270
268
267
267
265
264
264
264
264
263
264
266
265
263
264
264
264
265
266
268
269
270
273

Tuesday 2

Waxing Gibbous 93%

14:50

06:40

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: 08:31, Set: 16:28, Transit: 12:29. Moon - Rise: 14:50, Set: 06:40. Civil Dark: 17:09 - 07:50. Nautical Dark: 17:52 - 07:07. Astro Dark: 18:33 - 06:26

Total Clouds (% Sky Obscured)

100
99
100
100
100
100
100
100
100
100
100
94
99
96
91
100
99
99
98
100
99
99
81
82

Low Clouds (% Sky Obscured)

94
81
79
74
74
66
68
57
60
62
73
74
83
68
77
100
93
93
78
60
68
78
81
82

Medium Clouds (% Sky Obscured)

83
77
72
95
90
99
100
100
100
92
88
65
78
87
71
83
93
97
84
94
92
50
49
54

High Clouds (% Sky Obscured)

64
68
91
100
100
100
100
100
100
100
100
51
47
22
8
9
6
70
72
100
95
92
17
23

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 (%)

1
1
0
0
0
1
0
0
0
0
0
0
1
1
0
0
0
0
0
0
0
1
1
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
10
10
9
10
10
9
9
9
8
9
8
8
7
7
7
7
8
8
8
8
7
7
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

5
5
6
6
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
6
6

Relative Humidity (%)

87
88
91
93
91
90
91
91
91
91
91
93
94
96
96
96
93
91
88
87
84
85
87
91

Pressure (mb)

1009
1009
1009
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1011
1011
1011
1011
1011
1011
1011
1011

Ozone (du)

273
275
276
277
278
280
280
279
279
279
280
281
282
284
287
289
290
291
294
297
298
297
297
299

Wednesday 3

Waxing Gibbous 98%

15:24

08:17

17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 OK
23 Bad
00 OK
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: 08:32, Set: 16:27, Transit: 12:30. Moon - Rise: 15:24, Set: 08:17. Civil Dark: 17:08 - 07:52. Nautical Dark: 17:52 - 07:08. Astro Dark: 18:33 - 06:27

Total Clouds (% Sky Obscured)

98
97
72
67
40
41
43
43
51
58
67
73
71
67
65
63
60
71
81
92
87
86
79
60

Low Clouds (% Sky Obscured)

81
85
72
57
37
39
40
43
51
58
65
65
61
58
58
56
56
54
51
47
42
35
29
33

Medium Clouds (% Sky Obscured)

94
93
33
53
0
0
0
0
0
0
0
0
0
0
0
0
0
14
27
37
23
11
0
15

High Clouds (% Sky Obscured)

29
74
40
15
0
0
0
2
1
1
0
0
0
0
0
0
0
23
49
71
65
64
57
41

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 (%)

2
1
2
2
0
1
1
0
0
1
0
0
0
0
0
0
0
0
1
1
2
2
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

6
4
4
4
3
4
4
3
3
2
3
2
1
0
0
0
0
1
2
3
4
4
4
4

Dew Point (°C)

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

Relative Humidity (%)

94
94
93
93
93
94
94
94
94
94
94
94
94
94
93
94
93
91
88
85
85
84
87
93

Pressure (mb)

1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1009
1009
1009

Ozone (du)

300
300
301
305
310
313
312
312
312
312
311
307
305
307
308
310
310
311
312
312
313
312
309
309

Thursday 4

Waxing Gibbous 100%

16:15

09:45

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: 08:33, Set: 16:27, Transit: 12:30. Moon - Rise: 16:15, Set: 09:45. Civil Dark: 17:08 - 07:53. Nautical Dark: 17:51 - 07:09. Astro Dark: 18:33 - 06:28

Total Clouds (% Sky Obscured)

64
61
65
97
100
95
86
56
65
88
100
88
95
95
94
96
98
95
94
94
93
89
79
79

Low Clouds (% Sky Obscured)

35
39
34
35
28
31
39
48
40
32
24
26
28
30
93
96
98
95
75
75
65
65
55
55

Medium Clouds (% Sky Obscured)

30
41
52
92
98
85
69
37
36
34
31
30
29
30
11
20
28
28
26
25
19
15
11
9

High Clouds (% Sky Obscured)

30
19
46
73
100
71
43
14
43
71
100
88
85
78
15
23
45
42
38
32
32
28
23
37

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
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

4
4
4
4
2
2
2
1
3
3
1
0
1
0
-1
-1
-1
-1
0
-1
-1
3
3
3

Dew Point (°C)

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

Relative Humidity (%)

93
93
93
93
91
91
89
91
91
89
91
89
89
89
86
85
85
83
82
79
78
79
82
83

Pressure (mb)

1010
1010
1010
1011
1011
1011
1012
1012
1012
1012
1013
1013
1013
1014
1014
1014
1015
1015
1015
1015
1015
1016
1016
1016

Ozone (du)

310
311
312
314
314
313
313
313
310
311
312
317
324
330
334
336
337
338
337
336
335
334
333
332

Friday 5

Full Moon 98%

No Rise

10:54

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: 08:35, Set: 16:26, Transit: 12:31. Moon - Rise: No Rise, Set: 10:54. Civil Dark: 17:07 - 07:54. Nautical Dark: 17:51 - 07:10. Astro Dark: 18:32 - 06:29

Total Clouds (% Sky Obscured)

85
88
92
95
98
99
100
100
97
90
84
76
64
59
58
62
66
67
77
82
93
97
97
98

Low Clouds (% Sky Obscured)

55
55
50
45
50
50
50
55
54
53
52
48
49
50
45
40
40
40
40
49
61
64
70
73

Medium Clouds (% Sky Obscured)

6
4
14
23
32
47
58
68
60
56
48
34
23
12
20
28
46
45
53
52
60
67
74
73

High Clouds (% Sky Obscured)

46
53
58
62
60
57
43
39
32
19
7
33
62
59
58
62
66
67
77
76
71
71
69
48

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
5
10
16
24

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
88
89
89
91
89
91
91
89
91
89
89
89
89
89
89
89
89
86
82
79
82
83
86

Pressure (mb)

1016
1016
1016
1017
1017
1017
1017
1017
1017
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1015
1015
1015
1015

Ozone (du)

333
334
335
335
335
335
336
337
339
340
341
342
341
340
339
339
340
340
339
338
336
330
324
317

Saturday 6

Waning Gibbous 93%

17:27

11:39

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

Sun - Rise: 08:36, Set: 16:26, Transit: 12:31. Moon - Rise: 17:27, Set: 11:39. Civil Dark: 17:07 - 07:55. Nautical Dark: 17:51 - 07:11. Astro Dark: 18:32 - 06:30

Total Clouds (% Sky Obscured)

99
100
100
100
99
98
97
96
93
88
82
81
82
83
85
86
89
85
80
76

Low Clouds (% Sky Obscured)

81
90
94
93
92
79
71
68
64
60
56
65
73
77
77
76
76
81
80
76

Medium Clouds (% Sky Obscured)

75
80
82
85
85
81
76
72
67
57
42
33
23
13
15
17
19
19
19
20

High Clouds (% Sky Obscured)

23
0
0
0
12
11
14
12
8
5
1
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

Fog (%)

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

Precipitation Probability (%)

27
26
29
27
20
14
8
2
4
5
1
4
7
2
6
5
2
5
5
4

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

3
3
3
3
3
3
3
3
3
3
3
3
3
4
4
4
4
4
5
5

Relative Humidity (%)

88
88
88
89
89
89
89
89
91
91
89
91
91
91
90
91
91
91
88
87

Pressure (mb)

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

Ozone (du)

315
312
309
308
307
306
306
305
305
304
303
302
301
300
299
297
295
293
293
292

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

Generated: 30/11/25 17:14:49. Forecast: 30/11/25 to 06/12/25. Timezone: UTC+1.00