Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 30

Waxing Gibbous 82%

12:56

04:06

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

Sun - Rise: 08:47, Set: 16:41, Transit: 12:44. Moon - Rise: 12:56, Set: 04:06. Civil Dark: 17:21 - 08:07. Nautical Dark: 18:04 - 07:24. Astro Dark: 18:45 - 06:44

Total Clouds (% Sky Obscured)

72
96
30
62
9
14
0
2
18
31
43
0
61
22
0
15
17
29
64
75
96
100
66
31

Low Clouds (% Sky Obscured)

72
19
10
25
30
63
64
2
18
12
22
0
61
22
0
15
17
29
60
60
61
81
66
31

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
38
51
50
0
0

High Clouds (% Sky Obscured)

1
1
1
1
1
1
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

Fog (%)

-
-
-
-
-
-
-
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
1
1
2
2
5
10
2
3
3
2
5
5
3
4

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
90
93
96
89
88
92
74
74
74
72
68
62
61
61
64
71
77
82
84
88
89
86
85

Pressure (mb)

1027
1028
1028
1029
1029
1029
1029
1030
1030
1030
1031
1031
1031
1031
1031
1031
1031
1031
1031
1031
1031
1031
1031
1031

Ozone (du)

277
280
281
280
278
277
278
276
280
294
301
309
321
332
333
329
330
334
335
333
332
332
332
332

Wednesday 31

Waxing Gibbous 91%

13:23

05:39

00 OK
01 Bad
02 Bad
03 Bad
04 Bad
05 OK
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
22 Bad
23 Bad

Sun - Rise: 08:47, Set: 16:42, Transit: 12:45. Moon - Rise: 13:23, Set: 05:39. Civil Dark: 17:22 - 08:07. Nautical Dark: 18:05 - 07:24. Astro Dark: 18:46 - 06:44

Total Clouds (% Sky Obscured)

33
84
51
89
75
40
71
52
73
67
89
91
86
92
86
81
87
79
68
70
69
67
72
80

Low Clouds (% Sky Obscured)

33
81
36
74
67
34
70
51
73
13
65
73
74
81
54
41
40
44
53
55
68
63
72
78

Medium Clouds (% Sky Obscured)

0
28
19
39
32
23
0
0
0
44
60
60
55
42
34
38
38
33
22
16
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
1
1
0
0
0
0
0
0
1
1
10
21
23
15
16
11
17

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 (%)

6
9
5
16
13
8
2
0
2
2
2
3
11
16
9
13
12
0
0
0
0
0
0
1

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)

4
4
5
4
5
5
5
5
4
5
5
6
7
7
9
10
9
8
9
9
9
9
10
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
83
83
83
84
83
83
84
86
85
83
77
75
72
72
79
83
82
83
88
83
82
82
85

Pressure (mb)

1030
1030
1030
1029
1029
1029
1028
1028
1028
1028
1028
1027
1027
1026
1025
1025
1024
1024
1023
1023
1022
1022
1021
1020

Ozone (du)

329
325
326
324
322
321
319
318
320
320
320
317
316
315
312
316
322
325
322
315
310
307
305
304

Thursday 1

Waxing Gibbous 97%

14:05

07:09

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
22 Bad
23 Bad

Sun - Rise: 08:47, Set: 16:43, Transit: 12:45. Moon - Rise: 14:05, Set: 07:09. Civil Dark: 17:23 - 08:07. Nautical Dark: 18:06 - 07:24. Astro Dark: 18:47 - 06:44

Total Clouds (% Sky Obscured)

99
94
94
100
100
100
100
100
100
81
98
100
94
100
76
73
83
88
79
100
100
100
100
94

Low Clouds (% Sky Obscured)

98
93
94
100
100
90
83
61
72
80
83
79
88
88
60
71
71
70
62
75
53
76
65
63

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
68
32
0
0
23
57
65
79
33
0
46
46
34
50
50
100
100
92

High Clouds (% Sky Obscured)

10
6
13
15
21
96
100
100
100
12
78
100
29
3
0
1
0
1
13
18
40
30
25
15

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
5
1
9
9
9
9
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

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

Precipitation Probability (%)

2
1
6
9
12
12
4
1
1
2
3
28
58
85
58
29
25
26
20
33
34
48
46
24

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

13
14
15
16
16
16
16
17
19
19
19
20
21
22
20
19
18
17
17
16
16
16
17
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
75
68
68
67
67
72
70
65
65
65
73
79
88
94
72
70
66
68
70
71
72
73
73

Pressure (mb)

1019
1018
1017
1016
1015
1014
1013
1011
1010
1010
1009
1008
1007
1005
1005
1004
1004
1004
1004
1004
1004
1004
1004
1004

Ozone (du)

303
302
303
302
304
301
293
290
294
301
304
311
317
330
362
379
384
386
389
387
377
371
369
375

Friday 2

Waxing Gibbous 99%

15:07

08:26

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
22 Bad
23 Bad

Sun - Rise: 08:47, Set: 16:44, Transit: 12:46. Moon - Rise: 15:07, Set: 08:26. Civil Dark: 17:24 - 08:07. Nautical Dark: 18:07 - 07:24. Astro Dark: 18:48 - 06:44

Total Clouds (% Sky Obscured)

99
99
99
99
95
91
88
84
79
75
80
84
87
95
93
88
89
85
81
88
94
100
100
99

Low Clouds (% Sky Obscured)

61
64
67
69
69
69
69
68
68
68
63
58
54
62
70
78
78
77
77
67
57
48
54
60

Medium Clouds (% Sky Obscured)

98
98
98
98
91
84
78
74
69
63
59
27
38
92
87
34
74
60
53
68
84
100
100
95

High Clouds (% Sky Obscured)

79
57
36
20
25
30
35
2
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
6
0
0
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
Snow
Snow
Snow
None

Precipitation Probability (%)

37
31
29
24
19
23
29
30
32
27
26
31
31
33
34
31
34
31
19
43
88
88
59
40

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.6
0.7
0.2
0

Wind Speed/Direction (mph)

15
15
14
15
15
15
14
13
13
13
13
13
15
16
15
15
15
15
14
14
14
15
12
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

67
69
72
71
71
69
71
75
75
75
75
72
68
64
62
60
64
65
67
68
72
94
96
86

Pressure (mb)

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

Ozone (du)

375
377
379
382
382
382
379
375
371
365
363
363
363
368
370
369
366
367
362
355
350
344
340
329

Saturday 3

Full Moon 100%

16:27

09:23

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
22 Bad
23 Bad

Sun - Rise: 08:47, Set: 16:45, Transit: 12:46. Moon - Rise: 16:27, Set: 09:23. Civil Dark: 17:25 - 08:07. Nautical Dark: 18:08 - 07:24. Astro Dark: 18:49 - 06:44

Total Clouds (% Sky Obscured)

100
100
100
97
89
100
100
100
100
97
97
93
90
82
67
70
80
91
100
90
92
91
91
93

Low Clouds (% Sky Obscured)

66
70
74
78
67
54
44
30
15
0
8
15
23
25
28
32
21
11
21
0
0
0
0
0

Medium Clouds (% Sky Obscured)

100
100
100
95
82
100
100
100
100
90
97
93
90
78
51
67
78
89
100
82
66
51
56
63

High 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

ISS Passover

Visibility (miles)

9
9
6
9
9
9
9
9
9
9
9
9
9
6
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

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

Precipitation Probability (%)

37
40
38
34
46
51
38
36
25
29
27
22
22
34
17
19
23
20
10
18
21
24
32
38

Precipitation Amount (mm)

0.1
0.1
0
0
0.1
0.2
0
0
0
0
0
0
0
0.1
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
88
86
80
77
78
83
78
77
74
74
76
74
72
64
67
70
76
81
77
80
81
84
86

Pressure (mb)

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

Ozone (du)

331
337
343
346
349
352
358
369
378
386
392
401
403
406
408
411
417
418
425
427
428
429
430
427

Sunday 4

Waning Gibbous 99%

17:57

10:02

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
22 Bad
23 Bad

Sun - Rise: 08:46, Set: 16:47, Transit: 12:47. Moon - Rise: 17:57, Set: 10:02. Civil Dark: 17:26 - 08:07. Nautical Dark: 18:09 - 07:24. Astro Dark: 18:50 - 06:44

Total Clouds (% Sky Obscured)

95
95
97
99
86
73
60
51
41
32
51
69
86
89
93
98
84
66
50
60
80
100
88
75

Low Clouds (% Sky Obscured)

0
2
5
5
11
15
22
18
14
9
22
38
52
45
40
33
34
32
26
34
50
60
59
58

Medium Clouds (% Sky Obscured)

71
80
89
98
76
54
32
26
19
11
19
28
34
55
74
96
84
66
50
60
80
100
83
67

High 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

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
6
4
5
5
6
5
4
4
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

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

Precipitation Probability (%)

43
44
43
46
39
31
22
22
21
11
18
18
14
28
38
46
50
55
60
59
57
54
49
47

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
86
80
74
69
71
74
77
81
86
92
84
78
72
74
76
78
80
81
81
81
81
78
80

Pressure (mb)

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

Ozone (du)

425
423
423
423
424
420
417
414
412
410
407
407
407
407
406
404
403
401
400
398
399
399
400
397

Monday 5

Waning Gibbous 96%

19:27

10:27

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 OK
22 OK
23 OK

Sun - Rise: 08:46, Set: 16:48, Transit: 12:47. Moon - Rise: 19:27, Set: 10:27. Civil Dark: 17:27 - 08:07. Nautical Dark: 18:10 - 07:24. Astro Dark: 18:51 - 06:43

Total Clouds (% Sky Obscured)

67
78
89
100
100
100
100
100
100
100
98
97
95
97
98
100
91
80
70
54
47
40
35
33

Low Clouds (% Sky Obscured)

59
67
73
81
77
71
61
56
56
57
51
49
49
56
60
64
54
46
42
42
43
40
35
26

Medium Clouds (% Sky Obscured)

45
63
82
100
100
100
100
100
100
100
98
95
92
94
98
100
78
57
32
23
18
13
19
23

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
1
1
2
3
4
5
5
6
7
9
9
6
2

ISS Passover

Visibility (miles)

2
1
1
0
0
3
6
9
6
4
1
1
2
3
5
7
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

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

Precipitation Probability (%)

48
49
50
52
48
45
41
38
36
34
39
42
42
43
42
38
32
24
8
10
8
2
6
8

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
81
86
91
98
91
84
78
84
89
94
89
84
80
84
89
92
92
91
89
87
86
84
84

Pressure (mb)

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

Ozone (du)

395
393
390
388
386
383
381
379
381
384
387
388
389
390
393
395
398
398
398
397
401
404
408
406

Forecast for Oudenbosch, Gemeente Halderberge, Netherlands (51.58,4.53)

Generated: 30/12/25 07:15:04. Forecast: 30/12/25 to 05/01/26. Timezone: UTC+1.00