Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 25

First Quarter 49%

09:25

03:58

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
05 Bad
06 Bad

Sun - Rise: 06:26, Set: 19:02, Transit: 12:45. Moon - Rise: 09:25, Set: 03:58. Civil Dark: 19:36 - 05:52. Nautical Dark: 20:17 - 05:11. Astro Dark: 21:00 - 04:27

Total Clouds (% Sky Obscured)

83
87
90
100
100
100
100
100
100
100
98
83
47
100
100
99
92
54
62
50
76
82
83
78

Low Clouds (% Sky Obscured)

74
77
72
73
65
45
39
31
44
56
41
28
0
0
30
46
45
54
49
39
33
32
22
38

Medium Clouds (% Sky Obscured)

83
87
90
100
100
100
100
100
100
100
98
83
20
100
100
90
33
20
50
14
44
70
72
71

High Clouds (% Sky Obscured)

0
0
0
5
10
15
15
15
10
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

3
6
9
9
8
9
9
9
9
9
8
6
8
8
6
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
None
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

87
68
79
83
62
17
28
24
30
47
43
38
33
41
39
37
26
15
13
10
11
23
48
34

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

25
20
18
17
16
18
18
18
18
17
15
15
13
11
12
12
14
13
13
14
14
14
14
13

Chance of Frost

Temperature (°C)

7
7
7
7
7
8
9
9
8
7
7
6
6
5
4
4
4
4
4
4
4
3
3
4

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
79
81
76
75
68
64
62
62
65
69
74
76
79
79
77
75
75
72
71
69
69
72
71

Pressure (mb)

997
999
1000
1001
1001
1002
1002
1003
1003
1004
1005
1005
1006
1007
1007
1008
1009
1010
1011
1011
1012
1012
1012
1013

Ozone (du)

402
403
406
407
409
409
405
406
410
413
419
420
423
428
431
431
434
438
438
433
429
435
443
444

Thursday 26

Waxing Gibbous 61%

10:40

04:35

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 Good
21 Good
22 Good
23 Good
00 Good
01 Good
02 OK
03 OK
04 Good
05 OK
06 OK

Sun - Rise: 06:24, Set: 19:03, Transit: 12:45. Moon - Rise: 10:40, Set: 04:35. Civil Dark: 19:38 - 05:49. Nautical Dark: 20:19 - 05:08. Astro Dark: 21:02 - 04:24

Total Clouds (% Sky Obscured)

41
67
63
100
76
78
100
76
97
72
57
54
41
10
5
4
10
2
2
34
23
13
27
34

Low Clouds (% Sky Obscured)

41
53
58
58
45
28
56
55
50
47
48
49
37
10
4
1
1
0
0
33
22
2
8
0

Medium Clouds (% Sky Obscured)

2
35
26
100
60
58
92
73
94
50
0
0
2
0
0
4
10
2
2
2
1
2
2
14

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
2
0
0
0
0
0
0
0
5
0
0
0
0
11
14
16

ISS Passover

Visibility (miles)

9
8
9
8
7
9
9
8
9
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
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

32
35
39
57
47
41
40
42
39
42
34
25
12
8
8
2
4
1
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0.2
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
15
17
17
18
20
21
20
19
18
16
15
12
10
8
7
6
5
5
5
5
5
5
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

73
68
61
61
59
53
52
55
57
58
59
61
63
68
72
73
73
74
74
74
76
73
74
76

Pressure (mb)

1013
1014
1015
1016
1016
1017
1017
1017
1017
1018
1018
1019
1020
1020
1021
1021
1021
1021
1022
1022
1022
1022
1022
1022

Ozone (du)

436
430
422
413
409
407
401
397
393
391
387
380
373
369
365
361
357
354
350
349
345
342
339
335

Friday 27

Waxing Gibbous 72%

12:05

04:59

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
05 Bad
06 Bad

Sun - Rise: 06:21, Set: 19:05, Transit: 12:44. Moon - Rise: 12:05, Set: 04:59. Civil Dark: 19:39 - 05:47. Nautical Dark: 20:21 - 05:06. Astro Dark: 21:04 - 04:22

Total Clouds (% Sky Obscured)

93
85
95
76
86
99
96
100
100
100
100
100
100
100
100
100
100
100
94
88
81
66
51
40

Low Clouds (% Sky Obscured)

0
28
25
36
40
65
87
83
100
100
100
87
89
98
100
100
100
98
78
56
35
25
22
8

Medium Clouds (% Sky Obscured)

28
46
45
43
62
98
71
76
64
77
100
89
91
100
99
98
94
100
94
88
81
66
51
40

High Clouds (% Sky Obscured)

85
71
80
5
5
5
6
48
100
62
100
73
100
74
100
70
70
65
70
75
75
66
51
40

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
6
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
Very Light Rain
None
None
Very Light Rain
Very Light Rain
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
3
17
34
36
36
35
48
56
54
64
76
68
40
27
23
17
13
5

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0
0
0.3
0.3
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

1
3
5
7
8
9
10
10
10
9
8
8
8
8
7
8
8
8
8
8
7
6
6
5

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

77
70
63
58
55
55
58
61
64
67
68
73
78
81
85
88
91
91
95
96
93
93
91
90

Pressure (mb)

1023
1023
1023
1023
1022
1022
1021
1021
1021
1020
1020
1020
1020
1020
1019
1019
1019
1018
1018
1018
1019
1019
1019
1020

Ozone (du)

333
332
331
330
330
330
331
331
331
332
332
332
331
331
332
334
334
333
335
337
340
342
342
344

Saturday 28

Waxing Gibbous 82%

13:32

06:16

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

Sun - Rise: 07:19, Set: 19:07, Transit: 12:44. Moon - Rise: 13:32, Set: 06:16. Civil Dark: 19:41 - 06:45. Nautical Dark: 20:23 - 06:03. Astro Dark: 21:07 - 05:19

Total Clouds (% Sky Obscured)

53
71
89
93
96
83
81
80
85
66
47
17
15
17
19
13
7
1
7
12
18
17
20
23

Low Clouds (% Sky Obscured)

13
18
21
27
35
44
40
33
27
24
18
12
14
17
19
13
7
0
7
12
18
17
20
23

Medium Clouds (% Sky Obscured)

53
71
86
77
38
35
40
40
40
30
47
17
2
0
1
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

53
71
83
83
91
74
81
80
85
66
33
0
0
0
0
0
0
0
0
0
1
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
8
7
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 (%)

5
6
2
6
8
1
1
18
34
28
23
20
6
4
0
4
16
2
6
7
3
3
5
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
85
78
69
60
53
50
52
58
64
65
69
75
80
82
85
82
80
82
82
83
83
83
85

Pressure (mb)

1020
1020
1021
1021
1022
1022
1022
1022
1022
1022
1023
1023
1024
1025
1025
1026
1026
1026
1027
1027
1027
1028
1028
1029

Ozone (du)

347
351
353
355
359
366
377
388
393
399
403
411
416
421
430
431
430
423
414
408
407
402
397
392

Sunday 29

Waxing Gibbous 89%

15:57

06:29

07 OK
08 OK
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
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 07:17, Set: 20:09, Transit: 13:44. Moon - Rise: 15:57, Set: 06:29. Civil Dark: 20:43 - 06:42. Nautical Dark: 21:24 - 06:01. Astro Dark: 22:09 - 05:16

Total Clouds (% Sky Obscured)

23
28
36
47
49
56
59
89
94
100
100
99
99
92
96
100
99
99
98
93
88
86
90
91

Low Clouds (% Sky Obscured)

23
28
36
47
49
53
53
46
39
31
56
64
76
79
89
100
91
85
78
68
56
47
45
42

Medium Clouds (% Sky Obscured)

0
0
0
0
9
17
28
42
57
71
93
91
88
92
95
93
88
84
81
85
88
86
90
91

High Clouds (% Sky Obscured)

0
1
2
3
7
10
14
43
71
100
96
93
89
32
33
50
53
55
57
69
77
85
90
90

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

Precipitation Probability (%)

3
1
2
1
4
16
2
2
3
0
4
7
11
37
53
66
63
54
36
34
31
25
29
28

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.3
0.2
0
0
0
0
0
0

Wind Speed/Direction (mph)

7
6
7
9
11
12
12
14
14
15
15
15
16
17
18
20
21
20
19
20
20
20
20
19

Chance of Frost

Temperature (°C)

3
3
5
7
8
9
9
9
9
9
8
8
8
8
8
8
8
8
9
9
9
9
9
9

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
82
76
65
60
58
57
56
55
54
56
63
69
69
74
81
88
87
88
88
87
88
88
90

Pressure (mb)

1029
1029
1029
1030
1030
1030
1030
1029
1029
1028
1028
1027
1026
1025
1023
1022
1021
1020
1019
1019
1019
1018
1018
1019

Ozone (du)

392
387
385
385
386
384
383
382
381
375
373
372
367
366
364
362
360
355
351
347
344
341
339
336

Monday 30

Waxing Gibbous 95%

17:18

06:40

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
05 Bad
06 Bad

Sun - Rise: 07:17, Set: 20:10, Transit: 13:44. Moon - Rise: 17:18, Set: 06:40. Civil Dark: 20:45 - 06:40. Nautical Dark: 21:26 - 05:58. Astro Dark: 22:11 - 05:13

Total Clouds (% Sky Obscured)

94
90
87
83
87
94
100
82
72
62
69
78
83
75
64
52
62
70
82
74
67
61
62
65

Low Clouds (% Sky Obscured)

40
35
30
30
35
40
46
50
54
57
61
61
61
66
64
52
62
70
76
69
64
59
62
64

Medium Clouds (% Sky Obscured)

94
90
87
83
87
80
75
60
43
26
24
25
23
15
8
0
5
13
20
15
9
1
1
1

High Clouds (% Sky Obscured)

85
80
75
65
60
45
40
35
23
10
8
9
5
4
3
2
5
5
5
7
4
2
3
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 (%)

12
27
30
31
37
41
45
45
44
42
45
47
41
39
35
27
34
37
22
27
26
11
12
16

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)

18
18
18
18
19
20
20
21
20
19
17
18
18
19
19
18
18
19
20
21
20
20
20
18

Chance of Frost

Temperature (°C)

9
8
9
9
10
10
10
10
10
10
10
10
10
10
10
10
10
9
9
9
9
9
9
9

Feels Like (°C)

4
4
4
4
4
5
5
5
5
5
5
5
4
4
6
5
5
6
6
6
5
5
5
5

Dew Point (°C)

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

Relative Humidity (%)

90
90
84
80
73
72
71
69
77
84
93
91
91
90
90
90
90
90
90
91
90
90
88
90

Pressure (mb)

1019
1019
1020
1020
1020
1020
1020
1021
1020
1020
1020
1020
1020
1021
1021
1021
1021
1021
1021
1021
1021
1021
1022
1022

Ozone (du)

334
332
330
329
327
327
327
327
327
326
325
324
322
320
319
319
318
317
316
315
314
312
311
311

Tuesday 31

Waxing Gibbous 99%

18:37

06:49

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 OK
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad

Sun - Rise: 07:14, Set: 20:12, Transit: 13:43. Moon - Rise: 18:37, Set: 06:49. Civil Dark: 20:47 - 06:37. Nautical Dark: 21:28 - 05:55. Astro Dark: 22:13 - 05:10

Total Clouds (% Sky Obscured)

70
78
81
83
84
86
87
84
80
75
59
49
42
46
52
56
55
58
61

Low Clouds (% Sky Obscured)

64
61
60
59
65
68
69
65
61
57
52
49
42
46
52
56
55
48
36

Medium Clouds (% Sky Obscured)

1
2
2
2
2
2
2
1
1
0
0
0
0
0
0
0
12
24
36

High Clouds (% Sky Obscured)

0
0
0
2
3
6
8
5
3
0
0
0
0
0
0
0
0
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

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 (%)

4
8
9
3
7
7
2
2
2
0
3
4
0
0
1
2
1
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)

17
15
16
18
19
19
19
20
19
19
17
15
13
12
11
11
11
11
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

7
7
7
7
8
8
8
8
8
8
7
7
7
7
7
7
7
7
7

Relative Humidity (%)

88
88
88
87
85
83
81
79
77
77
76
81
84
90
90
90
90
91
91

Pressure (mb)

1023
1023
1024
1024
1025
1025
1026
1026
1026
1026
1026
1027
1027
1027
1027
1027
1028
1028
1028

Ozone (du)

310
310
311
311
312
314
317
320
322
325
328
326
325
323
325
327
329
329
329

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

Generated: 25/03/26 07:08:49. Forecast: 25/03/26 to 31/03/26. Timezone: UTC+1.00