Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 4

Waning Gibbous 96%

17:56

10:05

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 OK
01 Bad
02 Bad
03 Bad
04 Bad

Sun - Rise: 08:50, Set: 16:45, Transit: 12:47. Moon - Rise: 17:56, Set: 10:05. Civil Dark: 17:25 - 08:10. Nautical Dark: 18:09 - 07:26. Astro Dark: 18:50 - 06:45

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
97
91
97
87
90
95
84
85
60
33
28
26
24
88
100
100
100

Low Clouds (% Sky Obscured)

92
88
90
84
93
89
80
93
82
93
75
83
89
73
74
49
32
28
26
24
34
57
75
65

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
91
77
75
67
43
33
29
12
9
29
28
24
14
73
99
100
100

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
1
1
6
26
38
24
17
14
1
1
0
0
0

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

73
53
53
71
73
74
71
66
64
56
62
57
59
58
41
31
29
31
27
13
13
29
57
74

Precipitation Amount (mm)

0.5
0.6
0.2
0.5
0.5
0.6
0.5
0.4
0.4
0.2
0.4
0.3
0.3
0.3
0.2
0
0
0
0
0
0
0
0.3
0.5

Wind Speed/Direction (mph)

19
19
19
18
19
20
19
20
20
20
19
18
17
17
15
15
14
14
14
15
15
14
13
13

Chance of Frost

Temperature (°C)

2
2
2
2
3
3
3
3
3
3
3
3
2
2
2
2
2
2
2
2
2
2
2
2

Feels Like (°C)

-6
-7
-6
-5
-5
-5
-5
-5
-4
-5
-4
-5
-5
-5
-5
-5
-5
-5
-4
-4
-4
-4
-4
-4

Dew Point (°C)

-4
-4
-4
-3
-4
-4
-3
-3
-2
-3
-3
-4
-5
-5
-5
-6
-7
-7
-6
-7
-8
-7
-7
-5

Relative Humidity (%)

68
66
65
68
63
63
67
65
68
64
64
61
60
60
58
56
54
54
56
54
49
54
55
60

Pressure (mb)

1007
1007
1007
1007
1008
1008
1009
1009
1009
1009
1009
1009
1009
1009
1010
1010
1010
1010
1010
1010
1010
1010
1010
1009

Ozone (du)

358
359
361
367
371
370
372
373
370
369
367
370
366
363
362
363
372
373
380
390
390
390
392
394

Monday 5

Waning Gibbous 91%

19:26

10:30

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

Sun - Rise: 08:49, Set: 16:46, Transit: 12:48. Moon - Rise: 19:26, Set: 10:30. Civil Dark: 17:26 - 08:09. Nautical Dark: 18:10 - 07:26. Astro Dark: 18:51 - 06:45

Total Clouds (% Sky Obscured)

96
79
12
3
31
56
96
100
95
100
95
54
12
31
20
25
28
24
25
34
100
42
88
91

Low Clouds (% Sky Obscured)

64
32
12
0
24
36
52
47
50
50
22
10
12
31
20
25
28
24
25
24
32
34
39
44

Medium Clouds (% Sky Obscured)

78
43
0
0
1
56
57
92
91
100
81
36
0
0
0
0
1
0
1
9
65
7
53
62

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
7
5
4
7
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

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

Precipitation Probability (%)

55
26
15
14
14
27
34
47
52
54
29
13
20
4
2
5
16
15
5
8
10
11
13
15

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

13
12
11
12
13
12
13
14
13
8
13
11
13
12
12
11
12
12
12
10
8
7
6
5

Chance of Frost

Temperature (°C)

2
2
2
1
1
1
2
2
3
3
3
3
2
2
2
2
2
2
2
2
2
2
2
2

Feels Like (°C)

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

Dew Point (°C)

-7
-8
-8
-7
-6
-6
-5
-3
-2
-3
-4
-6
-7
-6
-7
-7
-7
-7
-6
-6
-6
-6
-6
-6

Relative Humidity (%)

52
50
50
54
60
60
62
69
69
64
61
51
53
55
54
52
51
52
54
57
58
58
57
55

Pressure (mb)

1009
1009
1009
1010
1010
1011
1011
1011
1011
1011
1011
1012
1013
1013
1014
1014
1015
1015
1016
1016
1016
1016
1017
1017

Ozone (du)

393
399
426
422
410
407
410
417
417
417
416
413
409
411
417
420
419
423
425
418
410
404
406
408

Tuesday 6

Waning Gibbous 83%

20:52

10:47

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
04 Bad

Sun - Rise: 08:49, Set: 16:48, Transit: 12:48. Moon - Rise: 20:52, Set: 10:47. Civil Dark: 17:28 - 08:09. Nautical Dark: 18:11 - 07:26. Astro Dark: 18:52 - 06:45

Total Clouds (% Sky Obscured)

98
99
89
45
42
53
26
58
81
34
52
49
54
53
84
75
92
87
88
94
100
100
100
100

Low Clouds (% Sky Obscured)

55
73
53
39
35
50
26
43
63
34
52
49
54
53
49
46
7
0
22
29
30
31
31
52

Medium Clouds (% Sky Obscured)

67
96
76
20
20
25
25
39
44
1
1
0
2
2
36
26
48
51
48
48
100
93
76
99

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
1
3
19
10
62
19
36
88
85
70
60
52

ISS Passover

Visibility (miles)

9
9
8
7
8
5
4
7
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
Snow
None
Snow
Snow
Snow
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

25
42
42
40
46
53
47
35
34
16
5
7
5
5
1
1
0
0
0
0
0
1
1
21

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

4
6
7
7
8
8
8
10
11
11
11
10
9
9
8
8
8
8
9
10
12
12
13
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-6
-5
-4
-3
-3
-2
-2
-3
-4
-5
-5
-4
-5
-5
-6
-7
-7
-6
-6
-5
-5
-5
-4
-4

Relative Humidity (%)

54
57
64
68
69
69
69
62
54
52
53
56
57
58
56
56
57
59
64
67
71
71
74
75

Pressure (mb)

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

Ozone (du)

407
399
397
395
392
386
385
383
381
382
389
387
389
392
391
391
390
388
385
385
387
388
389
390

Wednesday 7

Waning Gibbous 74%

22:13

11:00

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
04 Bad

Sun - Rise: 08:49, Set: 16:49, Transit: 12:49. Moon - Rise: 22:13, Set: 11:00. Civil Dark: 17:29 - 08:09. Nautical Dark: 18:12 - 07:26. Astro Dark: 18:53 - 06:45

Total Clouds (% Sky Obscured)

100
99
99
99
99
97
96
94
96
98
100
100
100
100
100
99
99
98
97
97
98
99
100
100

Low Clouds (% Sky Obscured)

74
95
92
88
86
85
84
84
86
88
90
84
77
72
65
58
48
56
65
74
80
87
93
95

Medium Clouds (% Sky Obscured)

99
99
99
98
98
96
94
92
95
97
50
77
68
4
15
80
85
90
86
82
87
93
100
99

High Clouds (% Sky Obscured)

48
40
40
35
30
5
6
14
44
71
100
100
100
100
99
98
96
87
77
69
45
22
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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
Snow
Snow
Snow
Snow
Snow
None
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
None
None
None
None
None
None
Snow
Snow

Precipitation Probability (%)

33
44
52
58
59
47
40
63
88
85
74
64
51
43
44
40
31
16
15
13
26
34
45
51

Precipitation Amount (mm)

0
0.2
0.2
0.3
0.3
0.1
0
0.2
0.6
0.5
0.4
0.3
0.2
0.1
0.2
0.1
0
0
0
0
0
0
0.1
0.2

Wind Speed/Direction (mph)

14
14
15
16
16
17
17
18
18
18
17
16
15
14
13
12
11
11
11
11
12
12
12
12

Chance of Frost

Temperature (°C)

-0
-1
-1
-1
-1
-1
-1
-0
-1
-0
0
0
0
1
1
1
1
1
1
1
1
1
1
1

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

74
75
77
77
72
71
67
70
91
94
96
96
96
96
98
96
96
98
98
98
98
96
98
98

Pressure (mb)

1014
1013
1012
1012
1012
1012
1012
1011
1011
1010
1010
1010
1010
1011
1011
1011
1010
1010
1010
1010
1010
1009
1009
1009

Ozone (du)

390
391
393
392
389
382
380
377
376
375
375
366
353
336
337
329
322
320
321
323
327
330
331
331

Thursday 8

Waning Gibbous 71%

23:29

11:11

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
04 Bad

Sun - Rise: 08:48, Set: 16:50, Transit: 12:49. Moon - Rise: 23:29, Set: 11:11. Civil Dark: 17:30 - 08:08. Nautical Dark: 18:13 - 07:25. Astro Dark: 18:54 - 06:44

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
93
86
79
86
93
100
100
100
100
100
100
100
100
100
100
98

Low Clouds (% Sky Obscured)

98
100
100
100
100
87
74
66
66
65
53
57
60
67
64
56
48
65
83
100
98
97
95
94

Medium Clouds (% Sky Obscured)

98
97
71
31
15
40
40
35
45
55
61
81
90
100
100
100
100
100
100
100
99
99
98
78

High Clouds (% Sky Obscured)

0
0
0
0
5
37
68
100
70
40
10
9
8
13
100
100
100
100
100
100
100
100
100
74

ISS Passover

Visibility (miles)

1
0
0
1
6
1
4
1
0
0
4
7
7
7
0
0
0
0
2
3
4
6
8
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
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

66
64
65
48
22
34
28
21
6
4
2
6
2
3
6
9
13
49
74
95
95
95
95
95

Precipitation Amount (mm)

0.3
0.3
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.6
0.9
1.1
1.2
1.3

Wind Speed/Direction (mph)

12
13
13
12
13
14
14
13
12
9
8
8
9
8
9
11
13
13
14
16
17
16
18
20

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
98
98
96
96
98
94
96
96
96
94
91
93
93
96
96
96
96
96
94
94
93
93
91

Pressure (mb)

1008
1007
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1005
1004
1002
1001
999
997
995
993

Ozone (du)

330
328
327
326
327
326
327
327
326
327
324
322
323
318
317
316
315
314
316
318
320
323
326
329

Friday 9

Waning Gibbous 64%

00:44

11:21

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
04 Bad

Sun - Rise: 08:47, Set: 16:52, Transit: 12:50. Moon - Rise: 00:44, Set: 11:21. Civil Dark: 17:31 - 08:08. Nautical Dark: 18:14 - 07:25. Astro Dark: 18:55 - 06:44

Total Clouds (% Sky Obscured)

96
92
92
93
94
94
95
96
94
92
90
93
97
100
92
85
78
82
89
96
86
77
67
59

Low Clouds (% Sky Obscured)

92
88
90
90
90
85
82
78
74
68
60
70
83
94
85
75
66
60
66
75
63
56
50
51

Medium Clouds (% Sky Obscured)

58
42
42
38
35
35
40
40
49
65
82
90
95
99
82
65
49
61
73
86
68
50
32
22

High Clouds (% Sky Obscured)

51
33
38
41
43
41
41
40
46
47
45
29
15
0
13
25
39
32
24
17
12
7
2
1

ISS Passover

Visibility (miles)

9
9
9
9
9
9
8
7
6
5
3
1
2
2
2
5
7
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
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
None
None
Very Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None

Precipitation Probability (%)

95
95
95
95
80
78
72
61
56
53
53
65
72
74
73
68
57
44
31
18
16
18
20
28

Precipitation Amount (mm)

1.3
1.3
1
0.8
0.4
0.4
0.4
0.3
0.2
0
0
0.3
0.4
0.4
0.4
0.3
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

19
20
21
21
23
26
27
28
29
26
25
23
22
22
20
20
18
17
16
16
16
16
15
15

Chance of Frost

Temperature (°C)

5
5
6
6
6
6
6
6
6
6
6
6
5
5
5
5
5
5
5
5
5
5
5
5

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
82
78
75
70
67
69
70
70
71
72
74
78
82
83
82
80
78
76
72
71
71
73
73

Pressure (mb)

992
990
989
990
990
991
992
993
994
994
995
995
996
996
997
998
999
1000
1001
1001
1002
1003
1004
1004

Ozone (du)

336
343
350
354
358
362
363
364
365
364
363
363
364
366
367
374
380
387
390
393
395
397
399
401

Saturday 10

Third Quarter 54%

01:57

11:31

05 Bad
06 Bad
07 Bad
08 Bad
09 OK
10 OK
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: 08:47, Set: 16:53, Transit: 12:50. Moon - Rise: 01:57, Set: 11:31. Civil Dark: 17:33 - 08:07. Nautical Dark: 18:16 - 07:24. Astro Dark: 18:56 - 06:44

Total Clouds (% Sky Obscured)

50
40
39
38
31
30
34
47
70
88
100
100
100
100
97
95
93
81
68
60

Low Clouds (% Sky Obscured)

50
40
39
38
31
30
34
47
70
85
92
94
99
100
94
88
83
67
50
33

Medium Clouds (% Sky Obscured)

12
2
18
35
31
30
34
47
53
58
59
53
46
45
58
69
78
76
68
60

High Clouds (% Sky Obscured)

1
0
0
0
0
0
0
0
8
15
27
29
28
24
31
27
25
15
10
10

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
8
8
8
8
9
9
8
7

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

Precipitation Probability (%)

26
17
16
12
7
15
21
26
34
40
48
46
47
41
42
38
24
23
20
4

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

14
14
12
11
10
10
11
11
11
11
10
11
10
9
9
8
8
7
8
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

0
0
0
-0
-1
-1
-0
1
1
1
1
1
1
1
1
1
1
0
0
-0

Relative Humidity (%)

73
73
72
72
72
71
72
72
72
73
73
75
79
82
88
88
88
88
88
89

Pressure (mb)

1005
1005
1006
1006
1007
1007
1007
1007
1008
1007
1007
1007
1007
1008
1008
1008
1009
1009
1009
1009

Ozone (du)

401
400
400
400
400
400
393
386
379
375
370
366
365
363
362
358
354
350
347
343

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

Generated: 04/01/26 05:57:36. Forecast: 04/01/26 to 10/01/26. Timezone: UTC+1.00