Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 13

Waning Crescent 27%

02:56

13:10

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
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad

Sun - Rise: 08:43, Set: 16:25, Transit: 12:34. Moon - Rise: 02:56, Set: 13:10. Civil Dark: 17:07 - 08:02. Nautical Dark: 17:51 - 07:18. Astro Dark: 18:32 - 06:36

Total Clouds (% Sky Obscured)

100
82
66
66
51
53
54
64
43
73
62
53
53
55
49
50
61
53
51
62
72
85
91
76

Low Clouds (% Sky Obscured)

34
40
52
54
51
53
54
58
41
59
47
45
51
53
49
48
49
49
45
47
61
82
91
76

Medium Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

16
1
0
0
0
0
0
15
13
39
31
30
22
20
2
9
23
14
14
27
18
22
19
15

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
89

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
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)

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

Chance of Frost

Temperature (°C)

9
9
10
10
9
8
8
7
7
7
6
6
6
5
5
5
5
5
4
4
4
4
4
5

Feels Like (°C)

6
7
9
9
9
8
7
6
4
5
3
3
3
2
2
3
2
1
2
2
1
1
1
2

Dew Point (°C)

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

Relative Humidity (%)

85
81
77
77
81
85
90
91
91
93
91
90
91
88
86
88
88
88
88
86
85
85
83
82

Pressure (mb)

1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1026
1026
1026
1026
1026
1025
1025
1024
1024
1023
1023
1023

Ozone (du)

335
344
360
350
339
332
326
323
325
328
328
326
322
321
318
313
310
309
307
301
298
300
301
299

Sunday 14

Waning Crescent 19%

04:09

13:20

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
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad

Sun - Rise: 08:44, Set: 16:25, Transit: 12:34. Moon - Rise: 04:09, Set: 13:20. Civil Dark: 17:07 - 08:03. Nautical Dark: 17:51 - 07:18. Astro Dark: 18:32 - 06:37

Total Clouds (% Sky Obscured)

85
78
85
98
86
95
80
95
88
68
58
64
58
77
77
71
91
91
90
90
78
71
71
60

Low Clouds (% Sky Obscured)

85
78
85
97
86
79
60
74
77
68
58
64
58
76
77
70
90
90
90
90
78
71
71
60

Medium Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

4
18
27
23
20
36
34
23
19
5
1
3
11
5
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 (%)

99
10
1
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
1
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)

12
12
12
12
12
11
11
11
12
12
12
12
13
13
13
13
13
13
13
12
12
12
12
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

79
75
74
75
81
87
91
91
91
93
93
94
93
93
91
91
90
90
90
88
88
87
87
84

Pressure (mb)

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

Ozone (du)

299
299
299
297
297
297
297
296
296
295
295
295
295
295
295
294
295
296
299
300
300
301
304
308

Monday 15

Waning Crescent 12%

05:23

13:32

11 Bad
12 Bad
13 OK
14 Good
15 Good
16 OK
17 Bad
18 OK
19 OK
20 OK
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

Sun - Rise: 08:45, Set: 16:25, Transit: 12:35. Moon - Rise: 05:23, Set: 13:32. Civil Dark: 17:07 - 08:03. Nautical Dark: 17:51 - 07:19. Astro Dark: 18:33 - 06:37

Total Clouds (% Sky Obscured)

53
47
32
2
0
27
70
15
15
38
81
54
48
89
89
76
74
75
92
100
98
100
100
97

Low Clouds (% Sky Obscured)

53
47
32
2
0
0
0
0
0
3
19
24
23
26
23
15
8
28
15
23
43
50
58
58

Medium Clouds (% Sky Obscured)

0
0
0
0
0
23
63
15
15
38
76
40
36
19
27
37
35
11
16
43
43
43
86
81

High Clouds (% Sky Obscured)

0
0
0
0
0
1
5
5
5
10
2
1
16
67
44
34
38
36
80
93
40
82
75
75

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
1
2
2
14

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)

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

Chance of Frost

Temperature (°C)

7
7
8
8
8
8
8
8
8
7
7
7
7
7
7
7
7
7
7
7
7
8
8
8

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

79
75
74
73
74
75
77
77
78
79
82
84
87
88
91
91
93
93
93
91
90
85
81
79

Pressure (mb)

1013
1013
1012
1012
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1012
1012
1013

Ozone (du)

315
327
339
345
336
324
318
315
312
309
305
302
301
300
301
304
305
301
300
301
298
298
302
302

Tuesday 16

Waning Crescent 7%

06:37

13:47

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
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad

Sun - Rise: 08:45, Set: 16:26, Transit: 12:35. Moon - Rise: 06:37, Set: 13:47. Civil Dark: 17:07 - 08:04. Nautical Dark: 17:51 - 07:20. Astro Dark: 18:33 - 06:38

Total Clouds (% Sky Obscured)

95
87
87
82
77
82
88
94
96
98
100
99
99
98
95
91
88
77
66
57
60
67
73
83

Low Clouds (% Sky Obscured)

58
56
59
63
72
73
73
72
79
90
100
95
90
85
70
56
39
42
46
52
55
61
67
63

Medium Clouds (% Sky Obscured)

72
57
85
82
77
82
88
94
93
93
38
37
49
52
47
49
44
29
15
0
0
0
0
0

High Clouds (% Sky Obscured)

70
48
44
60
50
28
32
44
23
4
0
9
19
28
19
9
0
0
0
0
0
7
1
35

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 (%)

21
26
25
24
18
26
28
32
31
31
26
17
15
14
17
18
17
9
8
14
1
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)

9
9
8
8
7
6
5
4
5
4
5
5
4
4
5
5
4
4
3
3
3
3
3
3

Chance of Frost

Temperature (°C)

9
9
10
10
9
9
9
9
9
9
9
8
9
9
9
9
8
8
8
8
8
7
7
7

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

77
74
72
74
77
78
81
82
84
85
88
93
93
91
93
95
95
96
98
96
94
93
93
88

Pressure (mb)

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

Ozone (du)

304
306
310
308
307
303
310
315
303
292
288
287
293
302
318
336
337
331
324
319
318
315
315
313

Wednesday 17

Waning Crescent 6%

07:49

14:07

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
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad

Sun - Rise: 08:46, Set: 16:26, Transit: 12:36. Moon - Rise: 07:49, Set: 14:07. Civil Dark: 17:07 - 08:05. Nautical Dark: 17:52 - 07:20. Astro Dark: 18:33 - 06:39

Total Clouds (% Sky Obscured)

80
92
79
100
100
99
94
98
98
97
97
97
99
100
100
100
100
99
98
97
98
99
100
100

Low Clouds (% Sky Obscured)

57
50
40
38
34
23
11
0
20
21
30
39
47
55
68
78
84
84
83
82
83
84
85
87

Medium Clouds (% Sky Obscured)

0
0
16
35
57
68
70
72
70
69
64
61
66
81
72
62
53
42
34
18
14
18
33
35

High Clouds (% Sky Obscured)

64
92
79
100
100
96
92
88
59
29
0
30
59
89
93
96
100
85
69
54
69
85
100
100

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
1
3
5
12
17
22
31
24
5
12
18
21
31
38
44
38

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
5
5
6
7
8
8
9
9
10
10
10
11
11
11
11
11
11
11
11
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
84
81
81
84
90
91
91
91
87
85
87
88
93
93
96
96
96
94
94
93
93
94
93

Pressure (mb)

1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1020
1020
1020
1019
1019
1019
1019
1019
1019
1019

Ozone (du)

314
314
312
310
309
307
305
304
303
304
304
303
301
298
294
293
291
290
289
289
288
287
286
285

Thursday 18

Waning Crescent 3%

08:55

14:35

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
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad

Sun - Rise: 08:47, Set: 16:26, Transit: 12:36. Moon - Rise: 08:55, Set: 14:35. Civil Dark: 17:08 - 08:05. Nautical Dark: 17:52 - 07:21. Astro Dark: 18:34 - 06:39

Total Clouds (% Sky Obscured)

99
95
87
83
76
71
69
70
71
73
76
85
85
90
90
90
90
90
86
86
86
76
71
80

Low Clouds (% Sky Obscured)

89
92
50
23
2
10
17
22
20
18
15
33
52
69
73
76
80
73
66
59
57
50
48
51

Medium Clouds (% Sky Obscured)

32
29
28
25
18
23
32
42
49
47
45
35
30
25
25
25
25
30
29
29
29
35
35
37

High Clouds (% Sky Obscured)

98
94
87
83
76
71
69
69
47
30
17
31
43
65
70
85
90
90
86
86
86
76
71
80

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

Precipitation Probability (%)

28
5
5
6
0
2
3
0
0
1
7
37
55
75
80
78
74
69
58
32
20
13
1
7

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

8
8
9
9
9
9
9
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
84
81
81
81
81
81
79
78
79
79
81
81
81
81
84
84
85
87
87
88
90
90
91

Pressure (mb)

1018
1018
1017
1017
1016
1015
1015
1014
1013
1013
1012
1012
1011
1011
1010
1010
1010
1009
1009
1009
1009
1010
1010
1011

Ozone (du)

285
284
283
284
284
285
282
280
278
276
274
272
270
269
267
267
266
266
269
271
274
275
277
278

Friday 19

Waning Crescent 1%

09:49

15:15

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
04 Bad
05 Bad
06 Bad

Sun - Rise: 08:47, Set: 16:27, Transit: 12:37. Moon - Rise: 09:49, Set: 15:15. Civil Dark: 17:08 - 08:06. Nautical Dark: 17:52 - 07:21. Astro Dark: 18:34 - 06:40

Total Clouds (% Sky Obscured)

81
91
94
97
100
100
100
100
95
90
85
85
86
86
85
82
80
79
81
81

Low Clouds (% Sky Obscured)

54
57
59
60
61
60
58
60
62
65
69
72
74
78
76
76
75
77
78
81

Medium Clouds (% Sky Obscured)

39
45
51
51
55
60
65
70
70
70
70
70
69
69
56
38
20
17
14
11

High Clouds (% Sky Obscured)

81
91
94
97
100
100
100
100
83
80
75
75
80
85
85
82
80
79
80
70

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 (%)

13
16
24
28
18
12
8
3
10
18
16
25
26
18
10
7
1
2
6
5

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

7
7
7
8
7
7
7
7
8
7
7
7
7
7
7
7
7
7
7
7

Relative Humidity (%)

90
90
88
90
90
90
91
93
96
95
95
95
94
96
94
94
94
93
93
94

Pressure (mb)

1011
1011
1012
1012
1013
1013
1014
1015
1015
1016
1016
1016
1017
1017
1017
1017
1018
1018
1018
1018

Ozone (du)

278
278
278
280
281
283
287
292
296
304
313
321
328
334
341
338
336
333
324
315

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

Generated: 13/12/25 11:40:24. Forecast: 13/12/25 to 19/12/25. Timezone: UTC+1.00