Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 23

Waxing Crescent 46%

12:20

04:04

19 OK
20 OK
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
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad

Sun - Rise: 06:21, Set: 20:52, Transit: 13:37. Moon - Rise: 12:20, Set: 04:04. Civil Dark: 21:30 - 05:43. Nautical Dark: 22:18 - 04:54. Astro Dark: 23:16 - 03:55

Total Clouds (% Sky Obscured)

36
28
22
35
42
53
58
60
71
73
76
78
69
76
73
73
70
66
60
52
51
56
54
57

Low Clouds (% Sky Obscured)

0
0
0
35
42
53
58
60
71
73
76
78
69
76
73
73
70
66
60
52
51
56
54
57

Medium 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

High Clouds (% Sky Obscured)

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

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)

13
11
9
7
6
6
6
6
6
7
7
7
7
7
9
9
9
9
10
10
11
11
10
10

Chance of Frost

Temperature (°C)

13
11
9
7
6
5
5
5
5
5
5
5
5
6
8
9
10
11
12
13
13
13
13
12

Feels Like (°C)

10
10
7
6
5
5
4
4
3
3
3
3
4
5
6
7
8
9
10
10
11
10
10
9

Dew Point (°C)

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

Relative Humidity (%)

58
71
82
87
88
90
88
90
89
89
89
91
91
84
71
58
49
45
42
42
42
43
44
48

Pressure (mb)

1029
1029
1029
1029
1029
1028
1028
1028
1028
1027
1027
1026
1026
1026
1026
1026
1026
1026
1026
1025
1025
1025
1024
1024

Ozone (du)

377
377
375
374
372
373
374
374
375
375
374
373
373
374
377
378
379
378
378
379
380
376
372
370

Friday 24

First Quarter 58%

13:45

04:23

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

Sun - Rise: 06:19, Set: 20:54, Transit: 13:37. Moon - Rise: 13:45, Set: 04:23. Civil Dark: 21:32 - 05:41. Nautical Dark: 22:20 - 04:51. Astro Dark: 23:19 - 03:52

Total Clouds (% Sky Obscured)

69
100
100
72
86
99
100
82
59
49
61
60
64
70
72
71
67
63
57
50
48
57
30
55

Low Clouds (% Sky Obscured)

64
49
55
53
55
52
40
51
56
49
61
60
64
70
72
70
66
62
57
50
48
48
30
55

Medium 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

High Clouds (% Sky Obscured)

20
100
100
36
51
97
100
82
15
0
0
0
0
0
0
0
0
1
0
0
0
3
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
20
49
66
85
78
7
2
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)

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

Chance of Frost

Temperature (°C)

11
9
8
7
6
6
5
5
5
4
4
4
5
6
8
9
10
12
13
13
14
13
13
12

Feels Like (°C)

9
7
5
5
4
3
3
2
3
3
3
4
4
6
7
8
9
10
10
11
11
10
9
10

Dew Point (°C)

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

Relative Humidity (%)

55
70
84
88
88
90
88
88
89
89
88
88
86
78
65
54
49
46
45
44
44
46
48
51

Pressure (mb)

1024
1023
1023
1023
1023
1023
1023
1022
1022
1022
1021
1021
1021
1021
1022
1022
1022
1021
1021
1021
1021
1021
1021
1021

Ozone (du)

371
372
377
384
388
390
391
391
391
391
383
371
366
364
364
365
366
368
369
369
370
371
369
368

Saturday 25

Waxing Gibbous 68%

15:07

04:37

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

Sun - Rise: 06:17, Set: 20:56, Transit: 13:37. Moon - Rise: 15:07, Set: 04:37. Civil Dark: 21:34 - 05:38. Nautical Dark: 22:23 - 04:49. Astro Dark: 23:22 - 03:48

Total Clouds (% Sky Obscured)

64
56
55
57
67
43
61
68
69
72
72
71
61
66
72
84
100
90
78
82
100
100
100
94

Low Clouds (% Sky Obscured)

64
56
55
57
67
43
59
66
59
58
60
56
47
52
49
63
65
31
31
29
26
22
16
7

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
15
3
0
0
0
0
0

High Clouds (% Sky Obscured)

0
5
5
1
0
0
0
1
13
17
12
30
40
60
72
73
100
65
39
38
100
100
100
74

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

55
67
81
90
91
91
90
88
87
85
83
82
79
72
65
62
58
56
53
50
49
50
54
57

Pressure (mb)

1021
1022
1022
1023
1023
1024
1024
1024
1024
1025
1025
1025
1026
1026
1027
1027
1028
1028
1028
1028
1028
1027
1027
1027

Ozone (du)

368
368
368
368
368
367
366
364
364
363
363
364
365
367
372
377
378
379
378
377
379
378
377
376

Sunday 26

Waxing Gibbous 78%

16:25

04:48

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

Sun - Rise: 06:15, Set: 20:57, Transit: 13:37. Moon - Rise: 16:25, Set: 04:48. Civil Dark: 21:36 - 05:36. Nautical Dark: 22:25 - 04:46. Astro Dark: 23:26 - 03:44

Total Clouds (% Sky Obscured)

98
72
44
16
28
37
32
31
35
40
45
47
50
53
55
58
53
47
40
35
32
27
40
53

Low Clouds (% Sky Obscured)

0
0
0
0
7
15
24
30
34
39
43
45
46
53
55
58
53
47
40
35
32
27
19
9

Medium Clouds (% Sky Obscured)

2
3
1
2
3
3
3
3
3
3
3
1
1
1
0
0
0
0
0
0
0
0
10
21

High Clouds (% Sky Obscured)

93
71
44
16
21
25
13
3
2
0
2
3
5
3
2
0
0
0
0
1
3
4
34
53

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)

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

Chance of Frost

Temperature (°C)

10
9
8
7
6
6
5
5
5
5
4
5
5
6
8
9
10
11
12
13
13
13
13
12

Feels Like (°C)

6
5
4
5
4
3
2
4
3
3
3
3
4
5
7
8
8
9
10
11
12
12
11
10

Dew Point (°C)

3
3
3
3
3
3
2
2
2
2
2
2
3
2
2
2
2
2
2
3
3
4
4
4

Relative Humidity (%)

61
68
74
78
79
80
80
82
83
83
83
85
83
75
68
63
59
55
52
50
51
53
55
59

Pressure (mb)

1028
1028
1028
1029
1029
1029
1029
1029
1029
1029
1029
1029
1029
1029
1029
1030
1029
1029
1029
1029
1028
1028
1027
1027

Ozone (du)

374
373
373
373
375
376
377
377
377
377
377
379
380
380
381
385
387
387
387
389
390
391
389
388

Monday 27

Waxing Gibbous 86%

17:41

04:58

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

Sun - Rise: 06:13, Set: 20:59, Transit: 13:37. Moon - Rise: 17:41, Set: 04:58. Civil Dark: 21:38 - 05:34. Nautical Dark: 22:28 - 04:43. Astro Dark: 23:29 - 03:41

Total Clouds (% Sky Obscured)

66
83
63
100
100
100
100
100
100
100
97
82
96
87
93
99
92
84
77
79
79
69
67
72

Low Clouds (% Sky Obscured)

0
0
0
0
2
4
7
5
10
15
12
10
23
47
60
74
66
65
56
56
54
46
50
53

Medium Clouds (% Sky Obscured)

28
43
54
65
65
54
67
70
72
77
79
44
45
2
0
0
2
7
10
16
18
21
15
13

High Clouds (% Sky Obscured)

66
83
63
100
100
100
100
100
100
100
85
71
56
54
57
44
27
12
1
4
6
8
7
8

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
1
2
1
9
11
12
13
13

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

63
72
79
82
81
82
82
82
81
81
79
85
88
80
76
73
70
67
65
63
62
61
60
67

Pressure (mb)

1027
1027
1027
1027
1027
1027
1026
1026
1026
1025
1025
1025
1024
1024
1025
1025
1025
1025
1025
1024
1024
1024
1023
1023

Ozone (du)

390
391
392
390
390
390
391
392
396
408
423
428
428
425
421
418
414
411
408
405
400
394
389
387

Tuesday 28

Waxing Gibbous 92%

18:56

05:08

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

Sun - Rise: 06:11, Set: 21:01, Transit: 13:37. Moon - Rise: 18:56, Set: 05:08. Civil Dark: 21:40 - 05:32. Nautical Dark: 22:30 - 04:41. Astro Dark: 23:33 - 03:37

Total Clouds (% Sky Obscured)

73
81
86
90
94
96
97
93
92
89
77
62
52
48
47
46
40
38
33
36
37
35
34
31

Low Clouds (% Sky Obscured)

57
62
67
79
85
91
96
93
92
89
75
60
45
38
31
27
23
20
20
26
28
31
30
31

Medium Clouds (% Sky Obscured)

9
8
8
9
8
9
9
7
5
2
1
1
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

8
6
5
3
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
1
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
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 (%)

9
10
9
4
13
17
13
12
9
5
5
7
1
2
2
0
1
1
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)

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

Chance of Frost

Temperature (°C)

11
10
10
9
9
9
9
9
9
9
10
9
9
9
10
11
12
13
13
14
14
14
15
14

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

75
83
84
84
84
81
78
76
76
76
74
76
78
78
71
66
60
55
49
45
49
52
55
61

Pressure (mb)

1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1024
1024
1024
1024
1025
1025
1025
1025
1024
1024
1024
1024

Ozone (du)

385
383
383
383
383
385
387
388
389
389
390
390
391
391
391
391
390
390
389
388
387
386
386
385

Wednesday 29

Waxing Gibbous 97%

18:56

05:18

19 OK
20 OK
21 Good
22 Good
23 Good
00 Good
01 Good
02 Good
03 Good
04 Good
05 Good
06 Good
07 Good
08 Good
09 OK
10 OK
11 OK
12 Good
13 Good

Sun - Rise: 06:09, Set: 21:02, Transit: 13:36. Moon - Rise: 18:56, Set: 05:18. Civil Dark: 21:41 - 05:29. Nautical Dark: 22:32 - 04:38. Astro Dark: 23:36 - 03:33

Total Clouds (% Sky Obscured)

27
14
6
0
1
1
2
3
3
3
3
3
3
10
19
27
19
12
5

Low Clouds (% Sky Obscured)

27
14
6
0
0
0
0
0
0
0
0
0
0
10
19
27
19
12
3

Medium Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

0
0
0
0
0
0
1
1
1
1
1
1
0
0
0
1
1
2
2

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

66
73
76
81
84
85
85
87
84
84
82
78
74
72
65
59
54
52
51

Pressure (mb)

1024
1024
1025
1025
1026
1026
1026
1026
1026
1027
1027
1027
1027
1028
1028
1028
1029
1029
1028

Ozone (du)

384
384
385
386
386
387
387
388
388
387
387
387
387
386
386
386
386
386
386

Forecast for Katwoude, Gemeente Waterland, Netherlands (52.47,5.07)

Generated: 23/04/26 19:34:08. Forecast: 23/04/26 to 29/04/26. Timezone: UTC+2.00