Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 17

Waning Crescent 3%

06:20

15:25

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
21 Bad

Sun - Rise: 08:07, Set: 16:42, Transit: 12:25. Moon - Rise: 06:20, Set: 15:25. Civil Dark: 17:20 - 07:29. Nautical Dark: 18:02 - 06:47. Astro Dark: 18:42 - 06:07

Total Clouds (% Sky Obscured)

62
80
85
94
96
99
99
100
100
100
80
93
92
91
78
99
99
95
91
71
93
100
90
100

Low Clouds (% Sky Obscured)

45
46
54
47
44
73
65
73
62
74
58
49
67
43
62
59
67
71
47
53
45
89
79
86

Medium Clouds (% Sky Obscured)

10
31
61
85
94
97
93
100
100
96
18
37
90
91
77
81
31
26
23
71
91
100
84
96

High Clouds (% Sky Obscured)

62
80
73
34
15
12
8
19
19
2
15
1
2
2
11
0
0
0
0
0
0
0
1
0

ISS Passover

Visibility (miles)

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

Fog (%)

0
0
0
0
0
0
0
0
14
5
1
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
None
None
None
None
None
None
None
None
None
None
Light Rain

Precipitation Probability (%)

19
3
1
38
46
49
60
70
90
59
41
14
28
18
29
43
52
46
27
21
9
7
42
71

Precipitation Amount (mm)

0
0
0
0
0
0
0.2
0.3
0.8
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4

Wind Speed/Direction (mph)

6
6
6
7
7
8
9
10
10
11
8
11
12
13
14
15
14
13
13
11
10
10
8
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

75
71
75
73
78
75
74
79
85
85
74
67
65
64
63
66
65
65
66
70
66
64
68
72

Pressure (mb)

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

Ozone (du)

284
279
282
274
276
282
283
282
292
293
293
294
290
289
290
289
286
289
291
287
291
297
299
303

Tuesday 18

Waning Crescent 1%

07:35

15:41

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
21 Bad

Sun - Rise: 08:09, Set: 16:40, Transit: 12:25. Moon - Rise: 07:35, Set: 15:41. Civil Dark: 17:19 - 07:31. Nautical Dark: 18:01 - 06:48. Astro Dark: 18:42 - 06:08

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
98
90
100
100
100
100
100
100
100
100
100
100
100
94
100
100
52
47

Low Clouds (% Sky Obscured)

92
96
88
97
89
88
88
78
78
82
90
76
66
82
80
68
63
53
51
32
36
34
35
4

Medium Clouds (% Sky Obscured)

77
76
100
100
100
100
92
54
100
100
100
100
100
100
100
100
100
100
100
68
100
81
49
46

High Clouds (% Sky Obscured)

0
0
0
0
1
1
14
1
1
0
0
0
0
0
0
0
0
0
0
0
5
0
0
5

ISS Passover

Visibility (miles)

9
9
8
4
8
6
3
4
6
5
4
8
6
5
5
5
7
9
6
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
Light Rain
None
Very Light Rain
None
Light Rain
Light Rain
None
None
Very Light Rain
None
None
Very Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None

Precipitation Probability (%)

71
77
64
75
71
95
87
61
63
63
52
42
63
80
79
71
50
35
31
26
33
32
31
17

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

8
11
13
13
14
14
14
13
12
9
9
9
9
10
7
16
19
17
16
15
15
16
13
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

76
79
88
93
91
91
94
94
88
86
90
86
85
79
81
91
86
78
75
71
64
65
67
66

Pressure (mb)

1009
1008
1007
1006
1004
1003
1002
1002
1001
1001
1001
1001
1001
1001
1001
1001
1002
1002
1003
1003
1004
1004
1005
1005

Ozone (du)

304
304
305
306
305
303
308
309
306
305
305
307
315
322
327
326
319
320
322
327
328
328
330
331

Wednesday 19

Waning Crescent 0%

08:49

16:03

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
21 Bad

Sun - Rise: 08:11, Set: 16:39, Transit: 12:25. Moon - Rise: 08:49, Set: 16:03. Civil Dark: 17:18 - 07:32. Nautical Dark: 18:00 - 06:50. Astro Dark: 18:41 - 06:09

Total Clouds (% Sky Obscured)

61
87
100
100
100
100
100
100
100
100
100
95
96
100
100
100
100
100
99
67
56
63
71
86

Low Clouds (% Sky Obscured)

15
30
43
41
44
47
0
17
14
20
20
10
29
48
55
48
36
34
20
20
12
17
21
25

Medium Clouds (% Sky Obscured)

43
75
100
100
100
100
100
100
100
100
100
82
84
100
100
100
100
100
99
67
56
60
47
63

High Clouds (% Sky Obscured)

0
0
4
0
0
0
38
2
2
14
1
2
4
22
34
60
11
41
14
12
16
4
4
4

ISS Passover

Visibility (miles)

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

Fog (%)

0
0
0
0
0
0
0
0
0
0
35
54
56
42
0
0
0
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

36
54
55
53
54
55
46
45
60
60
56
63
75
89
87
76
63
42
23
27
25
18
17
10

Precipitation Amount (mm)

0
0.3
0.2
0.2
0.2
0.2
0
0
0.3
0.3
0.2
0.3
0.4
0.7
0.7
0.4
0.3
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

12
9
8
7
8
8
7
7
7
7
6
6
5
8
10
10
6
6
6
5
5
6
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

68
74
81
81
80
78
79
80
78
78
77
77
76
68
66
67
69
71
74
75
79
80
79
77

Pressure (mb)

1006
1006
1006
1006
1007
1007
1007
1007
1007
1008
1008
1009
1009
1010
1010
1010
1010
1010
1011
1011
1012
1013
1013
1014

Ozone (du)

335
327
324
324
323
324
326
319
316
317
315
316
317
317
315
316
317
322
327
329
331
331
332
328

Thursday 20

New Moon 2%

10:00

16:34

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

Sun - Rise: 08:12, Set: 16:38, Transit: 12:25. Moon - Rise: 10:00, Set: 16:34. Civil Dark: 17:17 - 07:34. Nautical Dark: 17:59 - 06:51. Astro Dark: 18:40 - 06:11

Total Clouds (% Sky Obscured)

82
86
100
73
47
20
35
50
63
50
50
42
33
27
24
20
15
11
27
42
57
65
73
90

Low Clouds (% Sky Obscured)

30
31
36
24
16
3
14
25
38
38
37
35
32
27
23
16
8
0
3
6
9
18
26
32

Medium Clouds (% Sky Obscured)

57
64
99
73
47
20
35
50
58
31
41
27
3
0
0
0
0
2
13
24
32
37
45
79

High Clouds (% Sky Obscured)

4
2
0
0
0
0
0
0
0
0
0
0
0
0
0
3
7
10
7
4
2
24
46
66

ISS Passover

Visibility (miles)

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

17
17
13
21
31
31
37
36
34
31
29
7
9
7
0
14
15
0
0
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-1
-0
0
-1
-1
0
-0
-1
-0
-0
1
1
2
5
6
7
6
6
5
4
2
1
1
-0

Dew Point (°C)

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

Relative Humidity (%)

76
76
76
76
74
77
80
83
85
88
86
85
80
75
71
66
65
70
72
75
76
80
85
86

Pressure (mb)

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

Ozone (du)

326
325
325
323
322
322
323
327
326
320
316
313
311
312
314
310
307
306
306
303
301
301
302
300

Friday 21

Waxing Crescent 5%

11:02

17:18

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
21 Bad

Sun - Rise: 08:14, Set: 16:37, Transit: 12:26. Moon - Rise: 11:02, Set: 17:18. Civil Dark: 17:16 - 07:35. Nautical Dark: 17:58 - 06:53. Astro Dark: 18:39 - 06:12

Total Clouds (% Sky Obscured)

93
79
66
82
96
100
100
100
100
100
100
100
100
100
100
100
100
100
99
98
96
97
97
98

Low Clouds (% Sky Obscured)

37
39
44
44
48
48
49
50
52
60
68
75
78
79
95
96
98
100
97
94
90
89
87
86

Medium Clouds (% Sky Obscured)

83
57
34
52
56
69
93
100
100
100
99
100
99
99
98
91
85
81
90
93
96
97
97
98

High Clouds (% Sky Obscured)

74
79
66
82
96
100
100
100
100
100
100
100
95
91
86
58
29
0
13
27
40
27
13
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
6
3
0
0
0

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

Precipitation Probability (%)

5
7
0
1
3
0
0
1
1
7
26
47
64
79
87
95
79
42
47
59
69
83
88
70

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

7
8
9
10
11
12
12
13
14
14
15
15
16
17
18
18
18
17
17
16
15
15
14
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
86
89
89
91
91
91
89
89
89
88
88
85
82
79
79
79
79
79
85
89
96
98
96

Pressure (mb)

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

Ozone (du)

295
291
288
285
282
278
271
261
263
269
273
278
285
293
295
293
293
293
293
291
289
287
286
284

Saturday 22

Waxing Crescent 10%

11:51

18:16

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
21 Bad

Sun - Rise: 08:16, Set: 16:36, Transit: 12:26. Moon - Rise: 11:51, Set: 18:16. Civil Dark: 17:15 - 07:37. Nautical Dark: 17:57 - 06:54. Astro Dark: 18:38 - 06:13

Total Clouds (% Sky Obscured)

95
93
92
96
98
100
96
93
88
91
95
100
100
100
100
100
99
99
99
100
100
100
100
100

Low Clouds (% Sky Obscured)

83
80
77
88
95
100
96
92
88
91
93
96
91
87
82
86
89
93
95
98
100
97
95
93

Medium Clouds (% Sky Obscured)

95
92
90
79
66
60
60
55
50
62
81
96
79
60
38
35
32
29
33
33
32
31
36
35

High Clouds (% Sky Obscured)

0
10
20
20
20
25
25
35
40
54
62
66
63
68
79
55
31
0
0
0
0
8
16
24

ISS Passover

Visibility (miles)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
5
7
5
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

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

Precipitation Probability (%)

81
76
54
53
48
39
41
38
24
34
37
35
37
30
19
39
56
72
86
92
91
82
74
71

Precipitation Amount (mm)

0.5
0.5
0.2
0.2
0.2
0
0
0
0
0
0.1
0
0.1
0
0
0
0.2
0.4
0.6
0.7
0.7
0.4
0.3
0.2

Wind Speed/Direction (mph)

14
13
12
11
10
10
9
9
9
9
9
10
11
11
12
12
12
12
13
12
11
10
11
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

2
2
2
2
2
2
2
2
2
2
2
2
2
2
3
3
3
3
3
3
3
3
3
3

Relative Humidity (%)

96
98
96
96
98
98
98
98
98
98
96
98
98
98
98
98
96
96
96
94
94
94
94
94

Pressure (mb)

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

Ozone (du)

282
282
281
281
278
275
273
273
273
274
275
276
277
276
276
276
276
275
275
277
279
281
281
281

Sunday 23

Waxing Crescent 16%

12:28

19:26

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

Sun - Rise: 08:17, Set: 16:35, Transit: 12:26. Moon - Rise: 12:28, Set: 19:26. Civil Dark: 17:14 - 07:38. Nautical Dark: 17:57 - 06:56. Astro Dark: 18:37 - 06:15

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
87
78
72
74
71
69
77
88
99
99
100
100
100
100
100

Low Clouds (% Sky Obscured)

94
94
94
82
71
59
59
59
55
50
45
37
57
75
89
92
95
100
95
90
85

Medium Clouds (% Sky Obscured)

37
39
46
58
68
72
49
27
7
16
24
33
53
73
94
96
98
100
100
100
100

High Clouds (% Sky Obscured)

32
40
48
33
17
2
6
12
21
44
64
69
73
79
85
90
95
100
100
100
100

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

74
72
65
66
56
34
26
20
10
13
13
9
25
34
42
58
66
67
76
81
81

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

11
11
11
11
8
6
6
6
6
6
6
7
7
9
10
12
12
12
12
12
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

1
1
1
1
1
1
2
1
1
1
1
1
1
2
2
1
2
2
2
2
2

Dew Point (°C)

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

Relative Humidity (%)

96
96
96
96
98
96
98
98
96
98
94
94
93
93
90
90
88
88
86
88
88

Pressure (mb)

1003
1002
1001
1001
1000
1000
999
999
998
998
998
997
997
996
996
995
995
994
994
993
993

Ozone (du)

281
282
282
283
283
282
282
282
283
283
284
284
285
287
288
290
289
288
287
288
289

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

Generated: 17/11/25 22:22:54. Forecast: 17/11/25 to 23/11/25. Timezone: UTC+1.00