Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 23

Waxing Crescent 23%

10:29

23:03

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 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: 08:33, Set: 17:14, Transit: 12:54. Moon - Rise: 10:29, Set: 23:03. Civil Dark: 17:52 - 07:55. Nautical Dark: 18:34 - 07:14. Astro Dark: 19:14 - 06:34

Total Clouds (% Sky Obscured)

96
84
99
100
100
100
96
100
88
89
45
30
82
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

40
40
47
26
80
44
64
95
72
23
32
21
24
25
42
54
51
38
40
56
49
36
45
32

Medium Clouds (% Sky Obscured)

52
84
96
100
84
100
89
100
80
65
27
30
50
56
85
95
96
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

20
28
99
100
100
100
59
20
14
13
5
20
72
99
100
100
100
100
92
100
100
100
100
51

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

Precipitation Probability (%)

0
0
0
1
4
8
17
45
41
23
4
2
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

11
12
12
12
11
10
10
10
9
8
8
9
7
8
7
7
6
6
6
6
5
5
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
76
75
71
70
70
73
74
74
74
74
73
78
80
82
85
86
88
88
89
89
88
88
86

Pressure (mb)

993
993
993
993
993
993
993
993
994
995
995
996
996
997
997
997
998
998
998
998
999
999
1000
1000

Ozone (du)

373
370
369
369
369
368
370
369
370
371
370
372
372
372
372
372
372
372
372
372
373
375
378
381

Saturday 24

Waxing Crescent 33%

10:42

00:26

11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 OK
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: 08:32, Set: 17:16, Transit: 12:54. Moon - Rise: 10:42, Set: 00:26. Civil Dark: 17:54 - 07:54. Nautical Dark: 18:35 - 07:13. Astro Dark: 19:15 - 06:33

Total Clouds (% Sky Obscured)

99
95
100
100
91
91
98
95
37
52
60
50
91
45
60
53
97
100
100
94
91
75
80
81

Low Clouds (% Sky Obscured)

21
21
25
20
24
23
16
23
37
46
49
49
50
45
50
44
43
39
43
53
54
65
74
40

Medium Clouds (% Sky Obscured)

99
93
100
70
70
60
90
22
3
4
32
17
85
2
45
43
62
74
100
58
53
37
38
61

High Clouds (% Sky Obscured)

35
80
24
25
81
85
85
90
2
3
0
0
0
0
0
0
91
99
59
3
8
2
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
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
6
9
3

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
7
7
7
7
8
10
10
10
10
11
12
12
12
12
11
11
11
10
11
10
10
10
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
79
75
72
73
76
85
86
88
85
83
80
77
76
76
76
77
77
76
76
78
78
77
76

Pressure (mb)

1001
1001
1001
1000
1000
1000
1000
1000
1000
1001
1001
1000
1000
1000
1000
1000
1000
999
999
998
998
998
998
998

Ozone (du)

382
384
384
386
389
393
396
399
400
404
408
409
411
411
412
412
412
411
412
412
409
406
408
406

Sunday 25

Waxing Crescent 45%

10:58

01:52

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: 08:30, Set: 17:18, Transit: 12:55. Moon - Rise: 10:58, Set: 01:52. Civil Dark: 17:55 - 07:53. Nautical Dark: 18:37 - 07:12. Astro Dark: 19:16 - 06:32

Total Clouds (% Sky Obscured)

81
83
76
89
71
87
96
94
86
85
87
86
86
70
59
73
87
94
98
96
94
92
89
88

Low Clouds (% Sky Obscured)

66
75
76
71
56
65
47
57
64
54
63
53
61
53
53
67
83
93
98
96
92
89
86
85

Medium Clouds (% Sky Obscured)

65
67
58
75
48
63
69
67
52
50
57
42
50
56
54
25
55
50
55
60
34
12
16
55

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
7
10
15
26
29
26
42
56
43
40
30
25
25
25
25
35
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 (%)

2
8
11
5
0
0
0
0
0
0
0
0
0
0
0
0
0
2
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

69
65
62
61
60
62
65
68
72
74
76
79
80
81
81
84
88
86
83
78
78
78
81
80

Pressure (mb)

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

Ozone (du)

405
407
409
410
410
408
408
408
408
409
408
405
404
404
403
403
403
405
406
409
414
420
423
427

Monday 26

First Quarter 56%

10:58

03:22

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: 08:29, Set: 17:20, Transit: 12:55. Moon - Rise: 10:58, Set: 03:22. Civil Dark: 17:57 - 07:52. Nautical Dark: 18:38 - 07:11. Astro Dark: 19:18 - 06:31

Total Clouds (% Sky Obscured)

85
84
78
73
67
63
58
56
62
69
76
84
92
100
100
100
100
80
60
44
62
82
100
100

Low Clouds (% Sky Obscured)

83
81
76
68
65
57
49
42
48
54
60
55
50
47
44
39
35
34
34
34
40
46
51
49

Medium Clouds (% Sky Obscured)

37
6
10
3
6
6
10
40
12
11
12
22
33
42
45
79
65
58
56
44
62
82
100
100

High Clouds (% Sky Obscured)

40
40
40
35
30
23
2
4
9
11
15
43
72
100
100
100
100
67
33
5
33
67
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 (%)

1
1
0
2
0
3
5
4
4
5
2
2
2
0
0
0
0
0
0
2
6
4
11
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
7
7
7
7
7
8
6
7
6
7
7
8
8
10
10
11
11
11
11
11
12
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
77
74
73
72
72
76
78
81
81
78
77
76
76
78
84
86
88
88
84
84
83
84
83

Pressure (mb)

1002
1003
1003
1003
1003
1003
1003
1003
1003
1003
1003
1003
1003
1002
1002
1001
1000
999
999
999
998
998
997
996

Ozone (du)

428
428
427
429
432
429
426
425
427
427
423
414
408
407
409
422
435
432
421
410
395
390
389
391

Tuesday 27

Waxing Gibbous 68%

11:21

04:51

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: 08:27, Set: 17:21, Transit: 12:55. Moon - Rise: 11:21, Set: 04:51. Civil Dark: 17:59 - 07:50. Nautical Dark: 18:40 - 07:09. Astro Dark: 19:19 - 06:30

Total Clouds (% Sky Obscured)

100
98
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
94

Low Clouds (% Sky Obscured)

50
48
64
82
100
99
99
96
89
79
75
73
69
65
61
59
56
55
54
52
55
57
59
64

Medium Clouds (% Sky Obscured)

51
52
55
55
55
60
60
65
96
100
100
100
100
100
100
100
100
91
81
71
80
89
98
85

High Clouds (% Sky Obscured)

100
98
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
67

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
6
4
3
1
0

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

Precipitation Probability (%)

0
0
11
17
23
59
82
95
86
70
34
30
27
19
27
27
28
41
45
46
43
43
44
40

Precipitation Amount (mm)

0
0
0
0
0
0.3
0.6
0.9
0.6
0.4
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
76
73
71
71
75
76
78
79
80
82
82
80
82
85
85
86
86
88
91
93
93
94
96

Pressure (mb)

995
995
994
992
991
990
990
989
989
988
988
988
988
988
988
987
987
987
987
987
988
988
989
989

Ozone (du)

398
393
385
376
372
369
367
365
367
368
369
370
371
371
371
373
375
377
380
382
384
389
394
398

Wednesday 28

Waxing Gibbous 79%

11:54

06:12

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

Sun - Rise: 08:26, Set: 17:23, Transit: 12:55. Moon - Rise: 11:54, Set: 06:12. Civil Dark: 18:00 - 07:49. Nautical Dark: 18:41 - 07:08. Astro Dark: 19:21 - 06:28

Total Clouds (% Sky Obscured)

88
83
89
94
100
91
82
71
57
37
15
14
14
14
24
28
42
46
46
47
45
48
42
44

Low Clouds (% Sky Obscured)

69
74
61
48
38
45
51
57
40
21
6
5
7
7
13
19
38
40
43
41
39
32
30
23

Medium Clouds (% Sky Obscured)

66
50
66
83
100
83
67
50
40
35
15
14
12
2
1
1
0
0
0
0
0
0
0
10

High Clouds (% Sky Obscured)

33
0
33
68
100
72
50
29
40
35
15
14
9
4
1
0
0
3
6
9
9
10
14
15

ISS Passover

Visibility (miles)

3
6
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 (%)

32
23
22
20
22
21
19
14
11
4
0
0
0
0
0
1
0
2
3
3
10
10
9
15

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)

11
12
12
11
11
11
10
10
9
9
9
9
9
8
8
8
8
8
8
7
7
7
7
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

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

Pressure (mb)

989
990
990
990
991
991
992
993
993
994
994
995
995
996
996
996
996
996
996
996
996
996
996
997

Ozone (du)

400
402
403
404
404
404
403
402
400
408
417
425
440
454
469
444
419
394
381
369
357
356
355
354

Thursday 29

Waxing Gibbous 88%

12:44

07:17

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: 08:24, Set: 17:25, Transit: 12:55. Moon - Rise: 12:44, Set: 07:17. Civil Dark: 18:02 - 07:48. Nautical Dark: 18:43 - 07:07. Astro Dark: 19:22 - 06:27

Total Clouds (% Sky Obscured)

46
48
46
44
51
54
52
50
55
59
64
64
69
75
76
83
87
89
87
82

Low Clouds (% Sky Obscured)

17
18
20
23
25
20
25
20
18
22
30
49
69
75
76
83
87
89
87
82

Medium Clouds (% Sky Obscured)

19
29
34
40
40
39
47
44
54
59
64
53
40
26
19
10
2
24
53
79

High Clouds (% Sky Obscured)

15
16
18
17
17
14
7
0
0
0
1
1
1
1
4
7
10
8
3
0

ISS Passover

Visibility (miles)

9
9
9
8
6
4
5
5
6
7
8
8
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
Very Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None

Precipitation Probability (%)

14
3
33
54
73
73
69
68
65
62
59
56
45
20
13
13
15
16
15
16

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
81
76
82
85
91
91
91
93
93
91
91
90
90
91
90
91
90
90
90

Pressure (mb)

996
996
996
996
996
996
996
996
996
996
996
997
997
998
999
999
1000
1000
1001
1001

Ozone (du)

353
351
349
352
356
359
363
366
370
376
382
388
391
394
398
396
395
394
391
389

Forecast for Schildersbuurt, Gemeente Den Haag, Netherlands (52.07,4.30)

Generated: 23/01/26 11:00:07. Forecast: 23/01/26 to 29/01/26. Timezone: UTC+1.00