Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 26

First Quarter 56%

10:56

03:22

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
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 08:30, Set: 17:17, Transit: 12:54. Moon - Rise: 10:56, Set: 03:22. Civil Dark: 17:55 - 07:53. Nautical Dark: 18:36 - 07:11. Astro Dark: 19:16 - 06:31

Total Clouds (% Sky Obscured)

93
88
86
86
67
98
99
86
77
83
78
87
89
92
96
100
92
95
85
74
72
81
85
100

Low Clouds (% Sky Obscured)

80
81
84
61
67
94
99
74
63
80
75
87
88
91
91
74
92
95
82
69
67
72
70
65

Medium Clouds (% Sky Obscured)

23
19
20
14
3
6
5
7
10
0
0
0
0
0
6
0
0
0
0
0
0
4
0
66

High Clouds (% Sky Obscured)

0
1
0
0
0
0
0
0
0
0
0
0
0
69
58
85
10
13
11
21
15
28
49
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
1
1
1
3
2
2
1
1
2
10
4
5
1
1
12
0
0
3
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)

9
8
8
6
5
4
4
5
6
6
7
7
7
7
4
2
5
5
5
8
6
8
9
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
91
91
91
91
86
83
81
80
82
82
79
80
83
83
81
83
84
88
88
88
88
88
86

Pressure (mb)

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

Ozone (du)

433
432
436
440
441
440
443
446
451
458
451
441
432
430
431
433
438
449
440
430
424
409
399
387

Tuesday 27

Waxing Gibbous 68%

11:17

No Set

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
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 08:29, Set: 17:19, Transit: 12:54. Moon - Rise: 11:17, Set: No Set. Civil Dark: 17:56 - 07:51. Nautical Dark: 18:38 - 07:10. Astro Dark: 19:18 - 06:30

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
88
100
100

Low Clouds (% Sky Obscured)

52
56
58
59
73
71
65
62
58
48
100
100
99
79
66
71
79
83
71
69
78
61
46
45

Medium Clouds (% Sky Obscured)

100
100
99
77
72
97
100
95
98
100
100
100
100
100
100
100
77
100
62
53
49
45
60
100

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
85
63
100
100
100
100
100
100
58
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
4
3
3
3
4
6
9
9
8
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
1

Precipitation Type

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

Precipitation Probability (%)

0
0
0
0
0
0
1
3
17
64
95
95
95
95
86
70
46
34
7
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.3
1.2
1.8
1.8
1
0.5
0.4
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
89
89
91
94
92
91
86
82
76
76
82
89
94
94
94
96
96
98
96
96
93
89
89

Pressure (mb)

1000
999
998
997
997
996
995
994
993
992
991
990
990
990
990
991
991
992
992
993
993
994
994
995

Ozone (du)

381
380
377
375
373
372
372
368
367
364
363
364
363
361
361
363
362
362
361
362
365
366
369
371

Wednesday 28

Waxing Gibbous 79%

11:50

04:52

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
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 08:27, Set: 17:21, Transit: 12:54. Moon - Rise: 11:50, Set: 04:52. Civil Dark: 17:58 - 07:50. Nautical Dark: 18:40 - 07:09. Astro Dark: 19:19 - 06:29

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
100
100
100
100

Low Clouds (% Sky Obscured)

55
64
68
64
86
94
97
82
87
93
98
100
96
82
69
64
72
73
76
77
84
89
95
100

Medium Clouds (% Sky Obscured)

84
80
83
100
100
100
76
71
74
73
90
62
66
100
100
100
100
100
100
96
94
97
98
100

High Clouds (% Sky Obscured)

100
100
100
100
100
98
100
100
59
100
100
99
100
100
100
100
100
100
100
90
100
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
9
9

Fog (%)

2
3
17
6
50
3
4
2
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
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
93
93
93
94
94
93
88
85
83
83
82
86
91
94
94
94
96
96
94
93
89
89
89

Pressure (mb)

995
995
995
996
996
996
997
997
997
997
997
997
997
998
998
998
999
999
999
999
999
999
999
1000

Ozone (du)

371
374
377
382
390
401
409
416
432
441
448
453
458
464
465
462
460
460
459
454
451
448
452
452

Thursday 29

Waxing Gibbous 88%

12:40

06:14

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

Sun - Rise: 08:26, Set: 17:23, Transit: 12:54. Moon - Rise: 12:40, Set: 06:14. Civil Dark: 18:00 - 07:49. Nautical Dark: 18:41 - 07:07. Astro Dark: 19:21 - 06:27

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
96
91
86
71
56
41
60
77
92
92
93
94
87
75
70
73
83
87

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
95
91
86
71
56
41
52
56
60
59
58
60
43
19
0
8
15
22

Medium Clouds (% Sky Obscured)

93
88
82
76
71
70
75
75
0
0
0
0
11
25
37
38
42
39
37
32
29
33
38
76

High Clouds (% Sky Obscured)

98
96
92
81
48
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
12
24
36

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
2
4
4
4
5
4
4
3
2
16
5
13
2
17
15
1
1
3
4
2
4
6
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
88
88
89
91
91
88
84
83
80
80
79
80
82
81
79
81
83
85
86
89
89
91
93

Pressure (mb)

1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
999
999
999
999
999
999
999
999
999
998
998
998
998

Ozone (du)

459
469
468
469
470
470
473
474
474
481
477
473
472
464
446
415
388
375
368
366
368
374
376
377

Friday 30

Waxing Gibbous 95%

13:51

07:18

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
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 08:24, Set: 17:24, Transit: 12:54. Moon - Rise: 13:51, Set: 07:18. Civil Dark: 18:02 - 07:47. Nautical Dark: 18:43 - 07:06. Astro Dark: 19:23 - 06:26

Total Clouds (% Sky Obscured)

92
95
94
82
96
97
96
94
93
89
84
79
77
75
73
96
98
100
99
97
95
96
97
97

Low Clouds (% Sky Obscured)

41
60
78
79
76
73
66
59
50
50
53
66
64
59
53
79
78
77
80
84
87
90
92
93

Medium Clouds (% Sky Obscured)

89
89
79
34
47
30
35
45
35
32
55
43
54
52
33
23
13
11
9
19
22
44
62
83

High Clouds (% Sky Obscured)

45
53
62
70
78
86
80
74
68
45
26
5
5
5
0
41
65
78
54
31
13
32
51
80

ISS Passover

Visibility (miles)

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

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
Very Light Rain
None
None
None
None
None
Very Light Rain

Precipitation Probability (%)

9
16
22
24
23
9
5
3
0
9
15
18
31
34
34
44
46
52
43
38
41
36
39
56

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0
0
0
0
0
0.2

Wind Speed/Direction (mph)

12
12
12
12
12
13
13
14
14
14
14
14
14
14
14
13
14
15
14
14
14
13
13
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
91
93
93
93
94
91
86
83
79
76
76
78
82
86
89
91
93
94
94
94
94
94
94

Pressure (mb)

997
997
997
997
997
997
997
997
996
996
996
996
995
996
996
996
994
994
994
994
994
994
994
994

Ozone (du)

377
375
375
377
379
380
381
381
382
383
386
392
397
401
406
413
411
409
407
408
408
409
409
410

Saturday 31

Waxing Gibbous 99%

15:18

08:02

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
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 08:23, Set: 17:26, Transit: 12:55. Moon - Rise: 15:18, Set: 08:02. Civil Dark: 18:03 - 07:46. Nautical Dark: 18:44 - 07:05. Astro Dark: 19:24 - 06:25

Total Clouds (% Sky Obscured)

96
95
94
94
95
95
95
95
95
97
99
100
100
100
100
98
97
96
89
80
74
73
67
70

Low Clouds (% Sky Obscured)

85
78
73
70
69
68
60
52
43
51
60
68
70
73
73
71
68
67
62
57
50
45
40
34

Medium Clouds (% Sky Obscured)

79
72
66
75
85
95
78
63
52
56
61
67
71
71
60
41
37
33
35
33
17
20
18
40

High Clouds (% Sky Obscured)

70
66
69
61
49
36
41
58
69
79
89
100
98
96
93
72
51
34
28
19
20
20
25
20

ISS Passover

Visibility (miles)

6
7
8
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

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

Precipitation Probability (%)

63
60
63
56
49
49
38
29
13
16
20
17
15
16
20
21
17
18
20
11
0
1
1
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
93
93
93
91
91
88
86
84
82
82
82
84
85
86
86
86
86
85
85
84
84
83
81

Pressure (mb)

994
995
995
995
996
996
997
998
998
999
999
1000
1000
1001
1002
1002
1003
1003
1004
1004
1004
1004
1005
1005

Ozone (du)

411
414
418
421
422
422
422
424
426
428
428
428
427
428
428
429
429
428
428
427
425
424
424
423

Sunday 1

Full Moon 100%

16:49

08:31

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
00 Bad

Sun - Rise: 08:21, Set: 17:28, Transit: 12:55. Moon - Rise: 16:49, Set: 08:31. Civil Dark: 18:05 - 07:44. Nautical Dark: 18:46 - 07:03. Astro Dark: 19:26 - 06:24

Total Clouds (% Sky Obscured)

71
80
86
91
94
97
97
98
99
98
99
99
99
100
100
84
68
52
63
73
84

Low Clouds (% Sky Obscured)

44
53
62
67
72
78
71
64
57
66
75
83
83
83
84
69
54
40
48
57
65

Medium Clouds (% Sky Obscured)

44
44
52
60
66
69
73
74
75
69
62
55
60
60
55
37
18
1
5
8
10

High Clouds (% Sky Obscured)

5
5
0
0
0
4
4
9
9
15
15
17
12
6
1
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

Fog (%)

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

Precipitation Probability (%)

2
5
0
3
6
1
3
4
1
6
11
17
29
35
38
33
28
19
23
22
23

Precipitation Amount (mm)

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
9
9
8
8
8
9
10
10
11
10
11
11
11
12
12
12
12
12
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
80
80
78
77
75
74
70
68
64
64
64
64
65
65
66
69
70
71
74
74

Pressure (mb)

1005
1005
1005
1005
1005
1005
1006
1006
1006
1006
1006
1005
1005
1005
1005
1006
1006
1006
1006
1005
1005

Ozone (du)

423
425
428
431
431
431
431
444
456
469
460
452
443
434
426
417
412
407
403
400
397

Forecast for Overveen, Gemeente Bloemendaal, Netherlands (52.39,4.61)

Generated: 26/01/26 04:50:59. Forecast: 26/01/26 to 01/02/26. Timezone: UTC+1.00