Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 31

Waxing Gibbous 99%

15:18

07:58

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: 08:20, Set: 17:26, Transit: 12:53. Moon - Rise: 15:18, Set: 07:58. Civil Dark: 18:02 - 07:43. Nautical Dark: 18:43 - 07:03. Astro Dark: 19:23 - 06:23

Total Clouds (% Sky Obscured)

100
100
100
99
100
97
94
93
93
96
100
100
100
100
85
99
75
74
64
39
71
63
69
69

Low Clouds (% Sky Obscured)

92
100
92
87
90
93
84
86
74
82
92
88
68
61
71
77
67
73
64
39
71
63
57
55

Medium Clouds (% Sky Obscured)

100
92
96
92
100
71
74
63
70
87
100
100
100
58
19
43
3
0
44
39
49
28
12
18

High Clouds (% Sky Obscured)

60
100
65
84
100
43
1
4
33
53
83
100
100
1
1
1
5
15
15
15
10
5
1
1

ISS Passover

Visibility (miles)

9
4
3
8
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

Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

73
70
28
51
28
11
7
4
3
0
1
8
2
4
9
7
6
5
0
1
0
0
0
0

Precipitation Amount (mm)

0.4
0.6
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
11
10
10
9
8
7
6
6
5
5
4
4
4
5
4
4
5
5
6
5
5
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
94
96
98
96
96
96
93
90
85
84
84
85
87
81
87
88
90
90
91
90
85
83
85

Pressure (mb)

996
996
997
997
998
999
1000
1001
1001
1002
1002
1002
1003
1004
1004
1005
1005
1006
1006
1007
1007
1007
1006
1007

Ozone (du)

441
437
435
437
436
432
434
435
436
437
440
441
443
445
446
448
450
453
455
452
444
439
437
440

Sunday 1

Full Moon 100%

16:49

08:27

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: 08:18, Set: 17:28, Transit: 12:53. Moon - Rise: 16:49, Set: 08:27. Civil Dark: 18:04 - 07:42. Nautical Dark: 18:45 - 07:01. Astro Dark: 19:24 - 06:22

Total Clouds (% Sky Obscured)

80
80
91
93
92
99
90
93
100
100
100
100
100
100
99
100
100
100
98
97
96
85
77
74

Low Clouds (% Sky Obscured)

59
53
46
74
65
77
77
65
63
89
81
54
57
49
55
63
79
68
56
62
54
51
49
51

Medium Clouds (% Sky Obscured)

44
39
58
52
44
55
32
24
30
68
100
98
91
100
92
69
100
100
97
95
94
76
67
59

High Clouds (% Sky Obscured)

0
0
0
0
17
37
53
62
100
100
95
98
100
100
22
5
5
5
5
2
9
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
5
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
Light Rain
Very Light Rain
None
None

Precipitation Probability (%)

1
1
0
1
1
2
6
3
2
0
0
2
2
3
3
4
13
2
9
42
58
53
28
54

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.2
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
88
88
89
89
89
88
86
87
85
81
81
82
87
90
90
88
88
88
88
89
91
89
88

Pressure (mb)

1007
1007
1007
1007
1007
1007
1007
1007
1007
1007
1006
1006
1006
1006
1006
1006
1006
1005
1005
1005
1005
1005
1004
1004

Ozone (du)

461
475
472
472
454
442
433
418
412
410
407
404
397
394
390
386
385
384
380
381
382
385
386
385

Monday 2

Waning Gibbous 98%

18:18

08:47

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: 08:17, Set: 17:29, Transit: 12:53. Moon - Rise: 18:18, Set: 08:47. Civil Dark: 18:06 - 07:40. Nautical Dark: 18:46 - 07:00. Astro Dark: 19:26 - 06:20

Total Clouds (% Sky Obscured)

82
82
92
95
91
82
89
80
91
79
77
57
83
88
74
66
60
65
65
76
61
59
54
50

Low Clouds (% Sky Obscured)

62
68
86
85
68
61
71
59
62
49
61
46
66
76
55
56
48
51
61
62
53
44
35
29

Medium Clouds (% Sky Obscured)

63
58
56
81
52
37
48
40
56
48
30
21
23
17
19
6
5
7
0
0
0
0
0
5

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
1
11
25
17
2
21
43
24
20
30
30

ISS Passover

Visibility (miles)

9
3
1
2
3
0
0
0
4
9
9
9
9
1
0
0
6
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

Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

87
95
95
74
38
10
4
0
0
0
0
0
0
0
1
0
0
1
0
0
0
0
0
0

Precipitation Amount (mm)

0.7
1.6
1.8
0.8
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
93
94
94
96
96
96
96
96
94
91
91
93
94
96
96
96
93
91
91
89
88
89
88

Pressure (mb)

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

Ozone (du)

384
384
388
388
390
390
384
376
374
373
370
368
366
364
363
363
363
364
364
364
361
360
359
358

Tuesday 3

Waning Gibbous 94%

19:42

09:02

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: 08:15, Set: 17:31, Transit: 12:53. Moon - Rise: 19:42, Set: 09:02. Civil Dark: 18:08 - 07:39. Nautical Dark: 18:48 - 06:58. Astro Dark: 19:27 - 06:19

Total Clouds (% Sky Obscured)

49
40
44
66
81
100
99
99
98
99
99
100
98
96
95
94
94
93
95
96
98
97
96
95

Low Clouds (% Sky Obscured)

19
10
0
8
18
17
32
58
68
75
83
92
92
92
92
91
89
87
83
79
76
74
75
67

Medium Clouds (% Sky Obscured)

38
40
44
66
81
96
96
87
96
97
98
100
70
91
86
87
60
88
80
90
90
89
87
86

High Clouds (% Sky Obscured)

41
40
44
66
81
100
89
77
62
43
16
5
0
0
0
0
0
0
0
0
0
0
0
5

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

0
0
0
0
1
2
11
32
66
63
39
30
31
37
43
42
43
41
37
33
33
31
29
15

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.4
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

15
15
15
15
15
15
15
15
15
14
14
15
15
15
14
12
12
11
10
9
9
9
10
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
89
87
87
86
83
83
80
81
91
93
91
89
88
88
89
89
89
93
91
93
93
94
93

Pressure (mb)

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

Ozone (du)

356
358
360
361
363
366
367
366
365
364
364
366
367
369
370
374
378
382
391
398
402
405
408
412

Wednesday 4

Waning Gibbous 88%

21:02

09:14

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: 08:14, Set: 17:33, Transit: 12:53. Moon - Rise: 21:02, Set: 09:14. Civil Dark: 18:09 - 07:37. Nautical Dark: 18:50 - 06:57. Astro Dark: 19:29 - 06:18

Total Clouds (% Sky Obscured)

95
95
93
83
93
70
76
82
85
82
75
71
66
66
65
98
95
92
93
94
95
96
97
98

Low Clouds (% Sky Obscured)

60
55
53
51
48
52
55
56
57
55
53
51
53
50
50
81
84
80
82
82
78
75
77
81

Medium Clouds (% Sky Obscured)

87
88
78
49
85
47
47
46
44
41
34
25
43
48
4
20
14
7
23
36
47
54
67
77

High Clouds (% Sky Obscured)

5
5
0
0
0
0
0
0
0
0
0
5
0
0
0
5
15
20
20
20
20
20
25
25

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 (%)

18
18
16
14
11
6
11
10
3
3
2
0
0
1
0
4
3
0
0
0
0
5
8
11

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
94
94
94
94
93
90
85
79
75
74
76
78
84
87
88
90
90
91
89
88
88
89
88

Pressure (mb)

999
999
999
999
999
999
1000
1000
1000
1000
999
999
999
998
998
998
998
998
998
998
998
998
998
997

Ozone (du)

411
411
414
414
413
414
422
426
428
430
441
449
469
481
481
464
456
447
439
441
443
446
443
440

Thursday 5

Waning Gibbous 81%

22:19

09:24

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: 08:12, Set: 17:35, Transit: 12:53. Moon - Rise: 22:19, Set: 09:24. Civil Dark: 18:11 - 07:36. Nautical Dark: 18:51 - 06:56. Astro Dark: 19:31 - 06:16

Total Clouds (% Sky Obscured)

99
99
99
98
98
97
94
92
89
94
97
99
98
97
96
95
96
96
95
96
95
94
93
91

Low Clouds (% Sky Obscured)

85
91
96
94
91
90
89
89
88
87
88
88
91
89
87
89
93
94
95
96
95
94
93
91

Medium Clouds (% Sky Obscured)

85
91
97
96
94
94
94
92
89
71
51
40
54
63
72
75
78
80
76
70
65
52
45
39

High Clouds (% Sky Obscured)

43
30
10
18
28
30
24
24
23
33
29
15
5
5
5
5
5
5
9
9
8
13
14
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
8

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

Precipitation Probability (%)

33
50
58
53
41
24
48
60
72
60
41
7
11
15
18
23
23
17
12
7
6
26
35
43

Precipitation Amount (mm)

0
0
0.3
0
0
0
0
0.3
0.5
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

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

Pressure (mb)

997
997
997
997
997
997
997
997
997
997
996
996
996
996
996
996
996
996
997
997
997
997
997
997

Ozone (du)

437
437
437
437
435
432
430
428
426
424
422
419
416
412
409
405
406
407
408
407
406
405
404
403

Friday 6

Waning Gibbous 81%

23:35

09:34

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: 08:10, Set: 17:37, Transit: 12:53. Moon - Rise: 23:35, Set: 09:34. Civil Dark: 18:13 - 07:34. Nautical Dark: 18:53 - 06:54. Astro Dark: 19:32 - 06:15

Total Clouds (% Sky Obscured)

85
77
70
64
58
50
47
44
44
63
80
100
81
63
44
50
55
61
59
55
51

Low Clouds (% Sky Obscured)

85
77
70
64
56
44
31
18
10
25
32
43
42
42
40
46
52
59
54
49
46

Medium Clouds (% Sky Obscured)

44
45
50
50
58
50
47
44
44
63
80
96
73
52
34
29
25
20
17
14
10

High Clouds (% Sky Obscured)

15
10
15
25
30
35
46
44
44
63
80
100
81
62
44
29
12
4
13
17
24

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

50
57
64
68
68
65
50
33
7
12
14
15
18
18
17
12
7
1
3
3
4

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

11
11
11
11
11
11
12
12
12
12
12
11
10
9
7
6
6
6
7
7
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
93
94
94
96
96
98
94
93
90
90
87
85
87
87
88
88
88
88
88
88

Pressure (mb)

997
997
997
997
998
998
999
999
999
1000
1000
1000
1000
1000
1001
1001
1002
1002
1003
1003
1003

Ozone (du)

402
402
402
402
405
409
413
416
419
422
425
427
430
430
431
431
431
431
431
428
426

Forecast for De Meern, Gemeente Utrecht, Netherlands (52.08,5.03)

Generated: 31/01/26 04:14:47. Forecast: 31/01/26 to 06/02/26. Timezone: UTC+1.00