Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 20

New Moon 2%

10:00

16:03

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
06 Good
07 Good
08 Good
09 Good
10 Good
11 Good
12 Good
13 Good
14 Good

Sun - Rise: 08:12, Set: 16:39, Transit: 12:25. Moon - Rise: 10:00, Set: 16:03. Civil Dark: 17:18 - 07:34. Nautical Dark: 18:00 - 06:51. Astro Dark: 18:41 - 06:11

Total Clouds (% Sky Obscured)

100
100
100
100
80
100
97
99
99
74
50
54
55
49
86
8
4
2
1
1
2
1
1
0

Low Clouds (% Sky Obscured)

28
38
58
52
68
76
79
90
61
60
50
52
45
29
21
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

100
94
100
100
76
99
77
52
53
18
6
7
12
49
47
8
2
0
0
0
1
0
0
0

High Clouds (% Sky Obscured)

10
5
10
15
11
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
8
8
6
6
9
9
8
6
2
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
13
13
13
8
0
0
0
0
1
0
13
16
23
27
37
100
100
0
2

Precipitation Type

Very 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
None
None
None

Precipitation Probability (%)

62
83
60
66
49
25
30
23
14
5
4
3
3
3
2
1
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

78
82
85
88
91
89
89
91
93
91
86
89
89
88
84
84
81
80
78
76
70
68
68
68

Pressure (mb)

1009
1009
1010
1010
1011
1012
1013
1013
1014
1015
1016
1016
1017
1018
1019
1019
1020
1021
1022
1023
1024
1024
1024
1024

Ozone (du)

329
331
332
333
333
333
330
330
329
325
325
325
326
328
327
326
330
333
332
320
313
311
310
306

Friday 21

Waxing Crescent 5%

11:02

16:34

15 Good
16 Good
17 Good
18 Good
19 Good
20 Good
21 OK
22 OK
23 Good
00 OK
01 OK
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

Sun - Rise: 08:14, Set: 16:38, Transit: 12:26. Moon - Rise: 11:02, Set: 16:34. Civil Dark: 17:17 - 07:35. Nautical Dark: 17:59 - 06:53. Astro Dark: 18:40 - 06:12

Total Clouds (% Sky Obscured)

2
2
4
8
10
12
21
40
12
31
44
55
90
100
100
99
100
64
98
100
96
81
88
83

Low Clouds (% Sky Obscured)

0
0
0
2
1
1
2
1
1
5
28
36
42
48
55
37
33
24
31
1
0
0
5
0

Medium Clouds (% Sky Obscured)

0
0
0
0
2
3
9
27
7
18
21
25
21
62
38
35
100
61
75
100
92
81
86
83

High Clouds (% Sky Obscured)

1
1
1
2
2
2
1
0
0
0
0
0
80
100
100
98
100
5
88
95
65
19
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
9

Fog (%)

1
1
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
1
1
2
2
2
2
2
3
3
3
4
5
5
2
1
0
0
0
0
2
1
1
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
6
7
7
8
9
9
10
11
11
11
11
11
11
12
12
13
13
13
13
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

72
76
81
83
84
84
84
86
84
84
84
83
84
86
88
89
89
89
91
88
85
83
82
79

Pressure (mb)

1024
1024
1025
1025
1025
1026
1026
1026
1026
1025
1025
1025
1025
1024
1024
1024
1023
1023
1023
1023
1023
1022
1021
1020

Ozone (du)

299
299
295
292
292
290
288
286
285
282
279
275
274
274
274
274
274
265
257
257
262
270
277
278

Saturday 22

Waxing Crescent 10%

11:51

17:18

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

Sun - Rise: 08:16, Set: 16:37, Transit: 12:26. Moon - Rise: 11:51, Set: 17:18. Civil Dark: 17:16 - 07:37. Nautical Dark: 17:58 - 06:54. Astro Dark: 18:39 - 06:13

Total Clouds (% Sky Obscured)

75
72
87
91
100
100
97
100
100
100
99
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
5
15
14
25
27
40
85
95
86
82
89
86
74
89
90
90
91
94
97
100
100
100

Medium Clouds (% Sky Obscured)

73
72
87
91
100
100
95
100
100
72
43
43
49
38
38
43
100
95
98
90
60
72
82
88

High Clouds (% Sky Obscured)

5
5
5
3
7
83
31
86
72
9
34
45
86
100
100
100
100
100
40
43
79
70
65
31

ISS Passover

Visibility (miles)

9
9
9
9
9
8
0
0
0
3
9
6
9
9
9
5
3
3
3
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
Very Light Rain
Very Light Rain
Light Rain
Very Light Rain
None
None
None
Snow
None
Snow
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
1
3
9
36
56
53
63
58
42
35
39
40
36
51
31
32
34
37
38
41
33
25

Precipitation Amount (mm)

0
0
0
0
0
0
0.3
0.2
0.4
0.2
0
0
0
0.1
0
0.2
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

1
0
-1
-1
-1
1
1
1
1
1
1
1
1
0
1
1
0
0
0
0
0
0
0
0

Relative Humidity (%)

79
77
79
77
79
89
96
96
96
96
94
94
94
94
96
96
96
96
96
94
93
91
88
85

Pressure (mb)

1020
1019
1018
1018
1017
1016
1015
1015
1014
1013
1012
1011
1011
1010
1009
1008
1007
1007
1006
1005
1004
1003
1001
1000

Ozone (du)

276
280
278
279
280
284
284
285
285
281
278
269
269
271
270
270
270
273
273
271
270
271
274
274

Sunday 23

Waxing Crescent 10%

12:28

18:16

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

Sun - Rise: 08:17, Set: 16:36, Transit: 12:26. Moon - Rise: 12:28, Set: 18:16. Civil Dark: 17:15 - 07:38. Nautical Dark: 17:57 - 06:56. Astro Dark: 18:38 - 06:15

Total Clouds (% Sky Obscured)

100
100
99
99
99
98
95
98
90
95
98
100
100
100
100
95
98
97
96
97
94
97
98
98

Low Clouds (% Sky Obscured)

100
97
95
91
90
88
85
86
76
80
87
91
94
89
84
78
80
87
86
84
73
74
71
67

Medium Clouds (% Sky Obscured)

92
96
48
38
78
37
36
36
52
54
54
62
62
78
87
74
80
83
77
80
77
91
91
93

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
14
28
43
49
53
60
40
19
0
0
0
0
0
0

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

41
78
41
73
52
37
47
45
48
41
48
52
56
54
52
43
35
26
24
20
17
10
11
10

Precipitation Amount (mm)

0
0.6
0
0.5
0
0
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

18
18
18
19
18
17
15
13
13
13
14
13
13
13
11
10
8
8
9
10
10
10
9
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
91
93
91
93
93
94
91
88
93
93
93
90
90
90
91
91
90
88
88
86
86
84
85

Pressure (mb)

999
997
996
995
994
993
993
992
992
991
990
989
989
988
988
987
987
987
988
988
989
989
989
990

Ozone (du)

273
272
274
280
285
288
287
287
287
288
288
289
290
293
299
300
300
300
298
295
295
298
301
302

Monday 24

Waxing Crescent 16%

12:54

19:26

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

Sun - Rise: 08:19, Set: 16:35, Transit: 12:26. Moon - Rise: 12:54, Set: 19:26. Civil Dark: 17:14 - 07:40. Nautical Dark: 17:57 - 06:57. Astro Dark: 18:37 - 06:16

Total Clouds (% Sky Obscured)

98
91
82
75
71
64
66
61
58
55
53
49
53
46
46
45
52
59
65
53
44
42
56
59

Low Clouds (% Sky Obscured)

63
63
61
60
54
43
37
40
40
38
41
44
46
46
46
45
52
58
65
53
41
29
46
55

Medium Clouds (% Sky Obscured)

96
75
55
35
36
36
40
41
48
45
47
48
49
46
46
45
52
59
65
53
41
28
18
9

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
8
8
8
7
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
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 (%)

8
24
24
12
21
21
4
10
17
7
20
26
8
15
21
16
27
34
29
32
41
35
38
40

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)

6
5
4
4
5
5
5
5
5
5
5
5
5
5
5
5
5
6
6
6
8
10
11
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

3
4
4
4
4
3
2
2
2
3
3
3
3
3
2
3
3
2
2
2
3
3
4
4

Dew Point (°C)

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

Relative Humidity (%)

85
87
88
88
88
90
89
91
89
86
86
86
86
88
88
89
89
89
88
88
85
84
82
85

Pressure (mb)

990
990
991
991
992
993
994
994
995
995
996
996
997
998
999
999
1000
1001
1002
1003
1004
1005
1006
1007

Ozone (du)

303
304
304
305
306
307
309
311
313
314
313
315
316
317
318
319
319
317
315
312
309
306
303
303

Tuesday 25

Waxing Crescent 25%

13:12

20:42

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 OK
04 OK
05 Bad
06 Bad
07 Bad
08 Bad
09 OK
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad

Sun - Rise: 08:21, Set: 16:34, Transit: 12:27. Moon - Rise: 13:12, Set: 20:42. Civil Dark: 17:13 - 07:41. Nautical Dark: 17:56 - 06:58. Astro Dark: 18:37 - 06:17

Total Clouds (% Sky Obscured)

64
70
73
74
73
73
74
68
63
58
52
45
38
41
44
48
48
48
44
51
56
59
57
54

Low Clouds (% Sky Obscured)

61
61
64
68
64
63
63
56
51
46
43
40
37
39
41
43
45
43
43
43
43
45
46
44

Medium Clouds (% Sky Obscured)

2
5
9
15
17
16
15
11
9
7
4
2
0
0
0
0
0
0
0
0
0
0
0
1

High Clouds (% Sky Obscured)

1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
5
7
7
6

ISS Passover

Visibility (miles)

8
7
8
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 (%)

26
30
35
27
24
24
14
16
19
4
9
13
3
6
14
3
5
8
2
4
7
1
6
8

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
88
90
88
86
86
83
82
82
82
82
83
85
86
86
88
88
88
85
85
83
79
76
79

Pressure (mb)

1008
1009
1010
1011
1011
1012
1013
1014
1014
1015
1015
1016
1016
1017
1017
1018
1018
1019
1020
1020
1021
1021
1021
1021

Ozone (du)

304
304
310
315
321
322
322
323
321
318
316
312
309
305
301
297
293
292
290
289
287
286
285
282

Wednesday 26

Waxing Crescent 34%

13:27

22:02

15 Bad
16 OK
17 OK
18 OK
19 OK
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 OK
05 OK
06 OK

Sun - Rise: 08:22, Set: 16:33, Transit: 12:27. Moon - Rise: 13:27, Set: 22:02. Civil Dark: 17:12 - 07:43. Nautical Dark: 17:55 - 07:00. Astro Dark: 18:36 - 06:19

Total Clouds (% Sky Obscured)

51
43
35
27
41
53
65
61
61
58
58
55
53
43
39
27

Low Clouds (% Sky Obscured)

42
35
29
23
26
29
29
30
34
37
36
35
33
30
26
22

Medium Clouds (% Sky Obscured)

1
2
2
3
3
3
4
3
2
1
11
20
30
29
27
26

High Clouds (% Sky Obscured)

6
6
5
3
10
20
27
35
45
57
58
55
53
43
39
27

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

2
3
7
2
7
7
1
3
6
2
3
5
1
1
4
2

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

7
7
7
7
7
7
7
7
7
6
6
6
7
7
7
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
83
83
85
86
86
85
83
83
83
83
83
83
85
85
85

Pressure (mb)

1021
1021
1021
1022
1022
1022
1022
1023
1023
1022
1022
1022
1022
1022
1022
1022

Ozone (du)

280
278
276
275
274
273
273
273
272
271
270
270
270
270
269
268

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

Generated: 20/11/25 15:02:19. Forecast: 20/11/25 to 26/11/25. Timezone: UTC+1.00