Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 18

Waning Crescent 1%

08:46

15:17

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
17 Bad

Sun - Rise: 08:40, Set: 16:27, Transit: 12:33. Moon - Rise: 08:46, Set: 15:17. Civil Dark: 17:08 - 07:59. Nautical Dark: 17:51 - 07:16. Astro Dark: 18:32 - 06:35

Total Clouds (% Sky Obscured)

93
90
100
94
100
100
100
100
100
100
100
100
100
100
100
100
99
99
100
100
100
100
100
98

Low Clouds (% Sky Obscured)

3
2
5
10
20
18
49
67
82
96
86
82
90
91
92
83
81
84
73
50
16
0
0
0

Medium Clouds (% Sky Obscured)

54
59
72
65
57
100
100
100
100
100
100
89
92
90
92
92
87
99
100
100
100
98
91
59

High Clouds (% Sky Obscured)

48
90
67
94
100
100
100
100
100
100
100
100
100
100
100
95
64
69
34
90
93
99
100
57

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

0
0
0
0
0
1
4
11
32
52
62
43
39
46
73
70
53
30
16
5
1
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

11
12
12
12
15
14
15
15
15
16
16
16
15
15
14
14
13
12
10
12
10
9
9
8

Chance of Frost

Temperature (°C)

12
11
11
11
11
11
11
12
12
12
12
11
11
11
11
11
11
11
11
11
11
10
10
9

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

71
68
66
64
65
65
64
66
66
72
77
79
77
80
84
87
88
90
87
83
71
71
76
78

Pressure (mb)

1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1012
1012
1013
1014
1015
1015
1016
1016
1017
1018
1018
1019

Ozone (du)

272
269
269
268
266
269
269
270
272
276
287
295
306
314
306
297
303
308
314
319
324
336
334
340

Friday 19

Waning Crescent 0%

09:40

16:12

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
17 Bad

Sun - Rise: 08:40, Set: 16:28, Transit: 12:34. Moon - Rise: 09:40, Set: 16:12. Civil Dark: 17:08 - 08:00. Nautical Dark: 17:52 - 07:16. Astro Dark: 18:32 - 06:35

Total Clouds (% Sky Obscured)

95
80
76
85
59
100
100
100
92
92
91
75
86
100
100
100
100
100
100
100
99
100
100
100

Low Clouds (% Sky Obscured)

0
0
11
3
0
15
35
41
40
34
29
44
60
95
100
100
100
99
77
63
48
56
60
65

Medium Clouds (% Sky Obscured)

57
37
32
35
4
13
0
53
7
88
85
75
66
73
60
52
74
85
96
100
98
90
93
87

High Clouds (% Sky Obscured)

58
24
26
33
39
100
100
100
70
55
23
24
61
86
99
100
100
100
100
95
77
100
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
6
8

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
3
100
100
94
74
24
9
6
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
Very Light Rain
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
17
34
45
60
50

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
0.3
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
84
85
88
90
91
93
93
94
93
94
93
93
94
94
93
89
85
79
78
78
84
82
87

Pressure (mb)

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

Ozone (du)

348
345
346
340
324
319
311
303
297
291
282
279
279
277
278
278
278
278
282
285
283
281
277
275

Saturday 20

New Moon 2%

10:21

17:18

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 OK
11 Bad
12 Bad
13 Bad
14 Bad
15 OK
16 Bad
17 Bad

Sun - Rise: 08:41, Set: 16:28, Transit: 12:34. Moon - Rise: 10:21, Set: 17:18. Civil Dark: 17:09 - 08:00. Nautical Dark: 17:52 - 07:17. Astro Dark: 18:33 - 06:36

Total Clouds (% Sky Obscured)

100
100
100
100
90
99
95
96
100
100
100
98
88
77
90
70
48
52
98
80
63
41
55
70

Low Clouds (% Sky Obscured)

66
55
49
43
40
31
27
14
37
39
46
59
61
60
56
50
32
30
25
20
10
10
10
9

Medium Clouds (% Sky Obscured)

89
96
93
79
70
76
57
58
92
92
85
86
42
40
39
24
13
18
26
28
63
41
55
70

High Clouds (% Sky Obscured)

100
100
100
98
63
92
53
69
88
100
100
84
32
40
50
56
48
52
97
80
63
8
32
44

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 (%)

33
10
2
0
0
0
0
0
2
2
5
9
25
20
3
1
0
3
7
24
23
3
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
7
7
6
6
6
6
5
5
6
5
5
5
6
7
7
8
8
9
8
7
7
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
90
90
88
90
90
93
93
91
91
93
91
93
94
96
88
87
82
78
73
73
72
72
73

Pressure (mb)

1013
1013
1013
1012
1012
1012
1012
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1010
1010
1010
1011

Ozone (du)

276
278
279
279
277
275
276
276
278
281
282
282
282
279
281
281
281
282
286
292
298
301
304
309

Sunday 21

Waxing Crescent 6%

10:50

No Set

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
17 Bad

Sun - Rise: 08:41, Set: 16:29, Transit: 12:35. Moon - Rise: 10:50, Set: No Set. Civil Dark: 17:09 - 08:01. Nautical Dark: 17:53 - 07:17. Astro Dark: 18:33 - 06:36

Total Clouds (% Sky Obscured)

84
80
78
76
85
93
100
98
96
95
94
94
95
93
91
89
89
90
90
91
91
93
91
91

Low Clouds (% Sky Obscured)

9
26
29
41
56
54
61
65
65
68
76
79
78
75
72
69
71
73
75
74
70
64
66
79

Medium Clouds (% Sky Obscured)

84
78
60
53
62
48
57
46
26
21
45
28
81
70
56
45
45
45
40
38
41
49
46
43

High Clouds (% Sky Obscured)

48
51
54
60
74
86
100
81
57
35
37
47
54
56
57
59
59
58
58
60
62
68
58
46

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
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

73
74
77
81
79
79
81
82
82
83
83
85
86
85
85
83
83
79
78
76
78
79
85
91

Pressure (mb)

1011
1011
1011
1011
1011
1011
1011
1010
1010
1010
1010
1010
1010
1010
1010
1011
1011
1011
1011
1011
1011
1012
1012
1012

Ozone (du)

315
315
314
318
321
324
329
335
339
344
349
350
353
356
359
361
363
364
370
376
379
382
384
384

Monday 22

Waxing Crescent 12%

11:12

18:33

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
17 Bad

Sun - Rise: 08:42, Set: 16:29, Transit: 12:35. Moon - Rise: 11:12, Set: 18:33. Civil Dark: 17:10 - 08:01. Nautical Dark: 17:53 - 07:18. Astro Dark: 18:34 - 06:37

Total Clouds (% Sky Obscured)

91
91
90
90
90
91
93
92
92
92
91
90
90
95
91
86
85
85
89
90
92
92
91
89

Low Clouds (% Sky Obscured)

86
87
87
87
84
82
79
82
87
82
57
68
49
85
78
75
75
80
89
90
92
92
91
89

Medium Clouds (% Sky Obscured)

45
50
55
55
55
55
50
45
40
40
40
9
49
50
50
60
71
82
89
90
92
92
91
89

High Clouds (% Sky Obscured)

50
52
46
31
30
42
53
40
22
12
17
21
26
16
15
15
11
7
3
4
4
0
0
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 (%)

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
2
1
1
0
0
0
0
0
0
0
0
4
4
4
7
8
3
6
8
8
10
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
9
9
10
9
8
8
8
8
8
8
8
7
7
7
7
7
6
7
8
8
9
10
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
93
93
93
93
94
94
93
93
93
94
94
93
94
93
91
89
90
90
91
90
90
88
86

Pressure (mb)

1013
1013
1014
1014
1015
1015
1015
1015
1015
1015
1015
1016
1016
1016
1016
1017
1017
1017
1017
1017
1017
1017
1018
1018

Ozone (du)

384
387
389
391
391
391
391
392
391
392
393
394
393
393
393
392
392
391
389
388
389
389
389
391

Tuesday 23

Waxing Crescent 19%

11:28

19:51

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
17 Bad

Sun - Rise: 08:42, Set: 16:30, Transit: 12:36. Moon - Rise: 11:28, Set: 19:51. Civil Dark: 17:10 - 08:02. Nautical Dark: 17:54 - 07:18. Astro Dark: 18:34 - 06:37

Total Clouds (% Sky Obscured)

83
76
75
71
72
72
75
74
75
74
79
84
74
74
79
85
85
84
83
81
81
80
71
60

Low Clouds (% Sky Obscured)

83
76
75
71
72
72
75
74
75
74
79
84
74
74
79
85
75
68
59
65
70
76
67
57

Medium Clouds (% Sky Obscured)

83
76
65
51
57
60
66
58
58
58
37
19
1
2
3
5
20
35
50
50
55
50
47
40

High Clouds (% Sky Obscured)

10
20
20
25
25
29
28
28
28
23
17
11
14
11
7
5
4
2
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
Snow
Snow

Precipitation Probability (%)

0
1
1
0
0
0
0
0
0
0
3
4
2
2
1
0
2
2
2
24
35
39
38
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
0.1
0.1

Wind Speed/Direction (mph)

12
12
13
13
14
14
14
14
14
14
15
15
15
16
16
16
16
17
17
18
17
17
17
17

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
82
82
82
83
83
83
83
83
83
82
80
80
78
75
74
73
71
71
70
69
67
67
66

Pressure (mb)

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

Ozone (du)

393
395
395
394
394
394
394
393
395
396
398
397
395
394
396
397
398
399
399
400
401
403
405
399

Wednesday 24

Waxing Crescent 28%

11:41

21:10

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

Sun - Rise: 08:42, Set: 16:31, Transit: 12:36. Moon - Rise: 11:41, Set: 21:10. Civil Dark: 17:11 - 08:02. Nautical Dark: 17:54 - 07:18. Astro Dark: 18:35 - 06:37

Total Clouds (% Sky Obscured)

51
45
39
33
32
32
42
44
49
50
50
44
36
39
40
40
31
18
9

Low Clouds (% Sky Obscured)

48
42
39
33
32
32
33
31
28
26
27
30
31
34
35
38
31
18
9

Medium Clouds (% Sky Obscured)

37
29
21
14
19
23
27
29
25
26
18
9
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

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

Fog (%)

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

Precipitation Type

Snow
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

41
35
26
2
5
6
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

17
18
18
17
17
17
17
17
17
16
16
16
16
15
15
16
16
16
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-6
-7
-7
-7
-8
-7
-8
-8
-8
-8
-8
-8
-8
-8
-8
-8
-8
-8
-8

Relative Humidity (%)

63
61
61
61
61
62
62
63
64
64
64
64
64
64
62
60
58
55
52

Pressure (mb)

1023
1023
1023
1023
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1025
1025
1025
1025
1025

Ozone (du)

394
389
387
386
385
384
383
382
379
376
373
369
365
360
358
357
355
352
349

Forecast for Molenhoek, Gemeente Mook en Middelaar, Netherlands (51.77,5.87)

Generated: 18/12/25 18:50:48. Forecast: 18/12/25 to 24/12/25. Timezone: UTC+1.00