Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 1

Waxing Gibbous 100%

19:53

06:59

11 Bad
12 Bad
13 Bad
14 Bad
15 OK
16 OK
17 OK
18 OK
19 OK
20 OK
21 OK
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: 07:10, Set: 20:13, Transit: 13:43. Moon - Rise: 19:53, Set: 06:59. Civil Dark: 20:48 - 06:35. Nautical Dark: 21:29 - 05:53. Astro Dark: 22:14 - 05:08

Total Clouds (% Sky Obscured)

92
92
91
86
33
39
43
47
28
28
39
86
95
99
100
100
88
90
100
100
100
100
99
100

Low Clouds (% Sky Obscured)

83
70
61
29
22
19
16
24
25
23
21
66
91
84
84
79
59
62
88
82
89
86
89
98

Medium Clouds (% Sky Obscured)

40
38
31
22
13
19
23
18
0
1
17
25
35
49
45
45
32
21
25
21
24
52
49
94

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
0
73
82
86
77
98
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
Very Light Rain
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
2
5
3
3
14
27
45
60
48

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
0.3
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

9
10
11
12
12
13
13
13
12
10
8
7
7
7
7
7
7
7
7
7
7
7
8
9

Feels Like (°C)

7
8
8
9
11
12
12
12
11
9
8
7
6
5
4
4
5
4
4
3
3
4
5
6

Dew Point (°C)

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

Relative Humidity (%)

77
69
61
55
50
47
48
50
61
71
75
78
76
71
69
70
71
74
72
72
74
79
82
77

Pressure (mb)

1026
1026
1025
1024
1024
1023
1022
1022
1021
1021
1021
1021
1021
1020
1019
1019
1018
1018
1017
1017
1016
1016
1016
1017

Ozone (du)

322
324
326
328
329
331
331
331
331
331
333
334
336
338
338
338
339
341
341
343
345
349
354
351

Thursday 2

Full Moon 99%

21:09

07:11

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

Sun - Rise: 07:07, Set: 20:15, Transit: 13:42. Moon - Rise: 21:09, Set: 07:11. Civil Dark: 20:49 - 06:33. Nautical Dark: 21:31 - 05:51. Astro Dark: 22:17 - 05:05

Total Clouds (% Sky Obscured)

100
97
89
94
90
86
80
81
80
83
52
19
7
7
15
73
80
74
69
96
98
99
92
85

Low Clouds (% Sky Obscured)

100
82
63
92
84
81
75
77
79
82
50
16
4
1
1
0
0
0
0
1
32
50
55
22

Medium Clouds (% Sky Obscured)

100
88
61
0
0
0
0
0
0
0
0
0
2
2
9
73
73
57
48
96
98
98
83
82

High Clouds (% Sky Obscured)

100
18
25
20
24
0
0
0
0
0
0
1
0
4
6
43
34
74
29
15
10
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
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 (%)

26
10
9
2
2
2
1
6
8
3
0
0
0
0
0
0
0
0
0
0
2
10
11
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)

8
11
8
10
12
11
10
7
8
8
6
4
4
3
2
3
4
4
5
5
5
6
8
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

77
90
85
77
66
65
64
68
70
71
76
83
85
86
88
86
86
88
91
93
91
88
77
66

Pressure (mb)

1017
1017
1018
1018
1018
1018
1018
1018
1019
1019
1020
1020
1020
1020
1019
1019
1019
1019
1018
1018
1018
1018
1017
1017

Ozone (du)

350
350
353
358
366
376
382
385
383
380
380
381
381
381
382
385
389
390
391
393
393
392
392
392

Friday 3

Waning Gibbous 96%

22:25

07:24

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: 07:05, Set: 20:17, Transit: 13:42. Moon - Rise: 22:25, Set: 07:24. Civil Dark: 20:51 - 06:30. Nautical Dark: 21:33 - 05:48. Astro Dark: 22:19 - 05:02

Total Clouds (% Sky Obscured)

72
94
99
98
100
100
100
100
100
99
99
100
100
97
94
86
92
87
91
92
92
94
87
78

Low Clouds (% Sky Obscured)

2
26
44
68
100
100
100
100
90
86
93
93
86
85
87
84
87
66
59
58
58
63
75
78

Medium Clouds (% Sky Obscured)

63
67
39
41
59
63
68
56
65
73
61
67
49
21
17
2
6
28
30
59
86
89
60
57

High Clouds (% Sky Obscured)

1
4
94
83
17
15
10
18
91
14
16
100
100
74
55
55
70
70
49
42
30
2
3
2

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
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

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
3
15
37
17
7
4
4
12
6
7
18
22
31
19
5
2
6
0
2
4
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)

12
13
14
15
14
13
13
14
14
15
15
15
15
14
14
14
14
11
8
7
6
5
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

2
5
5
6
6
6
5
5
5
5
5
6
6
6
7
7
7
7
7
7
6
7
8
9

Dew Point (°C)

0
1
2
2
3
4
4
4
5
6
7
7
8
9
10
10
9
7
7
7
7
7
7
5

Relative Humidity (%)

62
58
55
52
56
61
65
66
69
74
81
82
85
88
91
91
88
78
80
85
90
88
80
66

Pressure (mb)

1017
1016
1015
1015
1014
1014
1013
1013
1012
1012
1013
1013
1013
1013
1013
1013
1014
1015
1016
1016
1017
1018
1018
1019

Ozone (du)

391
393
392
391
390
389
386
385
384
383
381
380
381
382
382
381
380
378
376
377
376
375
374
373

Saturday 4

Waning Gibbous 91%

23:42

07:42

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: 07:03, Set: 20:18, Transit: 13:42. Moon - Rise: 23:42, Set: 07:42. Civil Dark: 20:53 - 06:28. Nautical Dark: 21:35 - 05:45. Astro Dark: 22:21 - 04:59

Total Clouds (% Sky Obscured)

75
75
69
78
87
88
86
85
83
77
94
88
95
95
85
97
97
96
97
99
100
99
98
97

Low Clouds (% Sky Obscured)

75
75
69
76
78
83
72
65
54
24
27
3
2
1
0
19
39
61
70
82
90
60
35
8

Medium Clouds (% Sky Obscured)

46
35
25
19
46
50
62
64
30
30
35
44
38
45
42
85
74
67
59
80
100
99
98
97

High Clouds (% Sky Obscured)

3
5
0
0
80
60
26
31
5
28
64
88
95
92
85
84
80
75
84
92
100
88
75
63

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 (%)

4
4
3
2
1
0
0
2
17
19
3
1
1
0
0
0
0
0
0
1
1
3
22
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)

7
8
9
10
10
11
11
9
10
9
10
12
12
13
14
15
15
15
16
16
16
16
16
18

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

11
10
11
12
12
12
13
13
11
11
12
10
10
11
10
10
8
8
7
7
7
7
7
7

Dew Point (°C)

3
3
3
4
4
6
8
9
10
11
11
11
11
11
10
10
10
9
8
7
7
6
7
7

Relative Humidity (%)

54
52
49
48
48
51
57
65
75
82
87
83
89
89
86
86
86
81
73
71
69
67
69
72

Pressure (mb)

1019
1019
1019
1019
1019
1018
1018
1017
1017
1016
1016
1015
1015
1014
1013
1013
1012
1011
1011
1011
1012
1012
1013
1013

Ozone (du)

373
373
374
375
377
377
376
373
370
371
373
372
373
369
370
367
363
361
359
361
365
368
370
371

Sunday 5

Waning Gibbous 85%

00:56

08:06

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

Sun - Rise: 07:01, Set: 20:20, Transit: 13:41. Moon - Rise: 00:56, Set: 08:06. Civil Dark: 20:55 - 06:26. Nautical Dark: 21:37 - 05:43. Astro Dark: 22:24 - 04:56

Total Clouds (% Sky Obscured)

98
98
98
92
87
79
66
45
20
18
23
39
33
24
12
24
39
52
63
78
96
94
92
89

Low Clouds (% Sky Obscured)

16
29
42
65
51
45
22
19
3
5
0
1
13
14
2
7
13
19
23
30
35
23
12
0

Medium Clouds (% Sky Obscured)

92
83
42
74
33
57
45
37
0
0
0
0
0
0
0
0
0
0
8
16
15
5
4
17

High Clouds (% Sky Obscured)

68
72
77
60
42
25
17
8
0
9
18
26
18
10
4
10
12
17
44
72
96
89
78
67

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 (%)

10
7
22
21
25
23
19
17
6
3
4
2
9
1
1
1
0
0
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)

19
18
18
18
16
17
16
14
12
11
10
10
9
7
7
6
6
5
5
5
4
4
5
5

Chance of Frost

Temperature (°C)

12
12
12
12
11
11
11
11
10
9
8
8
7
7
7
5
5
5
4
4
4
4
6
8

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

64
58
55
56
64
60
63
58
65
66
70
73
74
81
82
91
91
93
93
89
89
86
74
62

Pressure (mb)

1015
1015
1016
1017
1018
1019
1019
1020
1020
1021
1022
1022
1023
1023
1024
1025
1025
1025
1025
1026
1026
1026
1027
1027

Ozone (du)

375
375
375
376
377
378
377
380
384
385
385
383
383
384
384
384
383
382
381
379
378
376
375
373

Monday 6

Waning Gibbous 78%

02:06

08:39

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

Sun - Rise: 06:58, Set: 20:22, Transit: 13:41. Moon - Rise: 02:06, Set: 08:39. Civil Dark: 20:57 - 06:23. Nautical Dark: 21:40 - 05:40. Astro Dark: 22:26 - 04:53

Total Clouds (% Sky Obscured)

70
48
32
32
39
46
63
78
94
66
39
11
8
12
13
9
7
4
8
11
14
14
16
14

Low Clouds (% Sky Obscured)

7
13
19
21
22
21
14
8
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

11
11
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1

High Clouds (% Sky Obscured)

46
26
5
5
9
9
39
68
94
66
39
11
8
12
13
9
7
1
1
1
1
1
1
1

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
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

4
5
6
7
11
11
10
10
11
11
7
7
7
6
6
6
4
3
3
4
4
3
6
7

Dew Point (°C)

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

Relative Humidity (%)

52
49
45
43
44
46
47
52
58
67
67
69
70
70
71
71
74
74
76
76
76
76
69
62

Pressure (mb)

1027
1027
1027
1026
1026
1025
1025
1025
1024
1024
1024
1024
1023
1023
1023
1023
1022
1022
1022
1021
1021
1021
1020
1020

Ozone (du)

372
370
369
368
368
367
367
366
365
364
364
365
365
364
363
363
361
360
358
357
356
355
355
355

Tuesday 7

Waning Gibbous 69%

03:06

09:25

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

Sun - Rise: 06:56, Set: 20:24, Transit: 13:41. Moon - Rise: 03:06, Set: 09:25. Civil Dark: 20:59 - 06:21. Nautical Dark: 21:42 - 05:38. Astro Dark: 22:29 - 04:50

Total Clouds (% Sky Obscured)

12
11
11
8
6
4
4
3
2
1
1
0
0
0
0
0
0
0
0
0
0

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

1
1
1
1
1
0
1
1
0
1
1
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
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
1
0
0
0
0
0
0
0
0
0
0
0
0
0
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

14
16
18
20
20
21
21
20
18
17
16
14
13
13
12
12
11
11
11
11
11

Feels Like (°C)

7
9
10
10
19
18
18
19
19
19
15
14
14
14
14
13
11
12
12
12
12

Dew Point (°C)

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

Relative Humidity (%)

55
52
48
44
43
43
43
49
55
63
67
71
75
79
80
84
87
90
93
91
93

Pressure (mb)

1020
1019
1018
1018
1017
1017
1016
1016
1016
1015
1015
1016
1016
1016
1016
1016
1016
1016
1016
1016
1017

Ozone (du)

355
355
355
355
355
355
354
355
356
357
358
359
360
360
359
359
357
355
354
354
355

Forecast for Kerkelanden, Gemeente Hilversum, Netherlands (52.22,5.15)

Generated: 01/04/26 11:56:55. Forecast: 01/04/26 to 07/04/26. Timezone: UTC+2.00