Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 15

Waning Crescent 13%

03:54

15:03

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 Good
15 OK
16 OK
17 OK
18 Bad

Sun - Rise: 08:04, Set: 16:44, Transit: 12:24. Moon - Rise: 03:54, Set: 15:03. Civil Dark: 17:22 - 07:26. Nautical Dark: 18:04 - 06:44. Astro Dark: 18:45 - 06:04

Total Clouds (% Sky Obscured)

100
99
100
100
100
100
98
100
100
100
99
100
100
100
100
98
96
63
44
12
29
46
43
61

Low Clouds (% Sky Obscured)

92
95
100
100
96
87
88
100
100
93
86
100
100
100
100
97
92
34
6
4
19
34
32
47

Medium Clouds (% Sky Obscured)

73
76
81
82
92
85
59
75
95
93
89
67
93
85
75
85
15
28
31
2
0
24
2
14

High Clouds (% Sky Obscured)

32
54
25
91
83
27
28
86
96
74
43
4
1
3
15
2
2
1
1
1
8
9
1
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
Very Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
52
65
61
56
49
41
35
32
26
27
29
23
14
12
2
1
0
0
0
1
3
6

Precipitation Amount (mm)

0
0
0.3
0.5
0.4
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
95
94
93
93
93
93
93
93
93
93
91
91
90
88
87
81
74
69
65
65
71
75
72

Pressure (mb)

1009
1009
1009
1009
1009
1009
1009
1008
1008
1008
1008
1008
1009
1009
1010
1010
1010
1010
1010
1010
1010
1011
1011
1011

Ozone (du)

281
281
283
285
285
286
284
284
284
284
286
286
286
286
286
286
286
287
286
289
298
298
293
295

Sunday 16

Waning Crescent 7%

05:07

15:13

19 Bad
20 Bad
21 OK
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 OK
13 OK
14 OK
15 OK
16 OK
17 OK
18 Bad

Sun - Rise: 08:06, Set: 16:43, Transit: 12:24. Moon - Rise: 05:07, Set: 15:13. Civil Dark: 17:21 - 07:27. Nautical Dark: 18:03 - 06:45. Astro Dark: 18:43 - 06:05

Total Clouds (% Sky Obscured)

87
68
41
67
83
96
94
84
76
57
73
73
92
42
35
37
36
9
2
4
1
9
20
37

Low Clouds (% Sky Obscured)

82
54
16
50
73
90
86
55
41
43
53
55
57
31
34
36
36
9
0
2
1
7
20
24

Medium Clouds (% Sky Obscured)

1
1
2
13
32
40
42
38
32
18
20
19
79
23
31
1
14
1
1
2
0
1
1
37

High Clouds (% Sky Obscured)

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

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

10
14
9
19
31
40
50
37
31
27
21
33
35
37
31
37
41
24
31
23
16
22
13
32

Precipitation Amount (mm)

0
0
0
0
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)

8
7
7
7
7
11
9
12
11
14
17
18
19
17
16
16
21
22
21
19
18
15
12
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

72
76
76
75
78
81
73
73
73
70
65
66
64
58
55
53
57
55
52
54
52
55
57
62

Pressure (mb)

1011
1011
1011
1011
1011
1010
1010
1010
1010
1010
1010
1010
1011
1011
1012
1013
1014
1014
1015
1016
1016
1018
1018
1019

Ozone (du)

292
282
282
287
290
289
294
304
308
311
315
320
323
322
319
315
308
304
302
304
306
304
299
295

Monday 17

Waning Crescent 3%

06:20

15:25

19 Bad
20 Bad
21 OK
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: 08:07, 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)

64
54
28
65
58
80
93
87
88
97
100
100
66
100
100
100
98
92
94
97
100
85
70
58

Low Clouds (% Sky Obscured)

50
44
28
42
40
37
50
75
68
53
57
47
66
56
47
49
45
49
55
48
44
44
48
47

Medium Clouds (% Sky Obscured)

15
0
0
24
18
56
49
36
55
94
90
83
29
97
100
89
97
90
93
97
98
64
63
48

High Clouds (% Sky Obscured)

0
0
0
0
0
2
54
39
58
71
99
100
60
100
100
100
85
67
71
75
75
75
70
58

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

24
12
8
19
26
29
41
36
28
16
27
33
51
30
8
7
8
18
12
26
22
15
29
31

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0.3
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

5
5
5
5
5
5
5
6
6
6
6
6
6
6
6
7
7
7
7
7
7
7
6
6

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

70
70
67
71
73
75
80
78
78
79
74
74
78
79
67
69
66
64
63
61
62
62
66
68

Pressure (mb)

1020
1020
1020
1021
1021
1021
1020
1020
1020
1020
1019
1019
1019
1019
1019
1018
1018
1017
1017
1016
1015
1014
1014
1013

Ozone (du)

290
286
282
277
277
282
282
280
282
288
287
288
286
288
288
286
288
291
293
289
287
286
285
283

Tuesday 18

Waning Crescent 1%

07:35

15:41

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
17 Bad
18 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)

62
70
77
79
82
85
89
94
99
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

51
57
67
71
74
76
76
79
81
71
63
54
62
71
82
86
90
94
93
91
90
94
97
100

Medium Clouds (% Sky Obscured)

59
63
68
72
72
76
81
89
98
98
99
100
100
100
91
100
99
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

62
60
49
19
0
0
0
0
0
0
0
0
0
0
0
1
3
4
34
65
100
91
81
70

ISS Passover

Visibility (miles)

9
9
5
3
4
9
9
9
0
9
9
9
9
9
9
9
3
2
9
9
4
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
Very Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
Very Light Rain
Very Light Rain
None
None
None
None
None
Very Light Rain
Very Light Rain
Light Rain
None
None
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

34
63
78
95
60
41
48
63
52
19
20
22
43
43
55
63
84
56
54
66
95
89
85
95

Precipitation Amount (mm)

0
0.3
0.5
1.1
0.2
0
0
0.3
0.3
0
0
0
0
0
0.2
0.2
0.6
0
0
0.2
0.7
0.5
0.4
0.7

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

5
5
5
5
5
5
5
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

68
80
88
94
93
86
86
89
94
83
77
77
79
82
82
88
91
96
85
83
93
96
96
96

Pressure (mb)

1012
1012
1011
1010
1010
1009
1008
1007
1007
1006
1005
1004
1003
1003
1003
1002
1001
1001
1000
1000
999
999
999
999

Ozone (du)

280
285
286
289
287
287
280
278
280
286
293
297
296
294
295
297
296
296
301
311
319
325
327
328

Wednesday 19

Waning Crescent 0%

08:49

16:03

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
17 Bad
18 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)

100
100
100
100
100
100
100
100
100
92
100
100
73
57
49
59
64
69
51
36
33
41
40
44

Low Clouds (% Sky Obscured)

97
94
91
91
90
89
90
91
93
87
83
91
61
48
36
45
64
69
51
36
33
41
40
44

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
95
77
72
65
100
93
73
57
49
43
30
20
32
36
33
41
40
44

High Clouds (% Sky Obscured)

60
49
39
44
49
54
68
81
94
92
98
100
0
0
0
0
0
0
19
36
33
41
40
44

ISS Passover

Visibility (miles)

0
0
0
0
0
0
0
2
9
9
9
9
9
6
3
0
3
6
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

Light Rain
Very Light Rain
Light Rain
Very Light Rain
Very 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

Precipitation Probability (%)

81
72
86
70
65
62
54
49
38
42
42
42
24
28
30
40
44
43
38
33
26
25
24
22

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
98
98
98
98
96
98
93
93
91
91
86
93
93
93
94
91
91
90
90
91
90
88
88

Pressure (mb)

999
999
999
999
999
999
999
999
999
999
1000
1000
1000
999
1000
1000
1000
1001
1001
1002
1002
1003
1003
1004

Ozone (du)

330
329
329
329
327
325
324
325
322
318
318
321
324
327
329
331
330
328
326
325
325
324
322
321

Thursday 20

New Moon 2%

10:00

16:34

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 OK
15 OK
16 Bad
17 Bad
18 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)

44
49
54
38
27
17
20
40
48
54
60
64
68
71
71
69
62
57
44
35
29
28
28
32

Low Clouds (% Sky Obscured)

44
49
54
38
27
17
20
40
48
50
48
45
38
31
26
25
24
26
28
25
22
20
19
17

Medium Clouds (% Sky Obscured)

44
26
4
22
27
17
20
20
6
11
15
22
36
50
54
53
43
43
33
24
17
22
27
32

High Clouds (% Sky Obscured)

31
16
2
1
0
0
0
0
0
0
0
0
0
0
0
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
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 (%)

25
27
11
30
34
27
26
22
9
9
10
4
7
7
3
4
4
3
9
15
20
29
32
35

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
8
8
6
4
3
2
2
3
2
1
2
2
2
3
4
4
5
5
5
5
4
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
86
88
88
89
93
93
94
93
93
91
91
89
88
85
85
82
78
75
78
81
82
85
86

Pressure (mb)

1005
1005
1006
1007
1007
1007
1008
1008
1009
1010
1011
1011
1012
1013
1014
1014
1015
1015
1016
1016
1017
1017
1018
1018

Ozone (du)

320
318
316
313
315
318
320
320
320
320
319
318
317
318
318
319
319
318
318
319
320
321
318
316

Friday 21

Waxing Crescent 5%

11:02

17:18

19 Bad
20 Bad
21 OK
22 OK
23 OK
00 OK
01 OK
02 OK
03 OK
04 OK
05 OK
06 OK
07 OK
08 OK
09 OK
10 OK
11 Bad
12 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)

38
31
21
24
25
28
26
26
26
26
23
18
23
30
36
40
45
51

Low Clouds (% Sky Obscured)

25
31
21
24
25
28
26
26
26
26
23
16
23
30
36
40
45
51

Medium Clouds (% Sky Obscured)

29
16
0
2
4
6
4
2
0
1
1
2
2
2
2
2
2
2

High Clouds (% Sky Obscured)

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
9
9
9

Fog (%)

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

Precipitation Probability (%)

38
32
8
14
15
3
7
13
2
7
11
6
12
13
4
10
13
8

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
85
83
82
82
83
83
83
85
85
85
85
85
85
83
83
78
75

Pressure (mb)

1019
1019
1020
1021
1021
1021
1021
1022
1022
1022
1022
1023
1023
1023
1024
1024
1025
1025

Ozone (du)

313
311
310
309
308
307
305
302
298
294
290
286
282
280
278
277
277
277

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

Generated: 15/11/25 18:19:05. Forecast: 15/11/25 to 21/11/25. Timezone: UTC+1.00