Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 20

Waxing Crescent 14%

08:24

01:39

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
11 OK
12 OK

Sun - Rise: 06:28, Set: 20:43, Transit: 13:36. Moon - Rise: 08:24, Set: 01:39. Civil Dark: 21:19 - 05:52. Nautical Dark: 22:04 - 05:06. Astro Dark: 22:57 - 04:13

Total Clouds (% Sky Obscured)

53
62
65
71
91
65
48
72
79
82
95
95
96
91
90
79
100
94
95
85
71
72
40
30

Low Clouds (% Sky Obscured)

30
27
27
36
40
52
37
66
66
47
78
91
90
79
86
76
83
82
86
78
54
47
35
27

Medium Clouds (% Sky Obscured)

40
38
45
33
50
31
23
24
26
41
51
52
93
62
25
20
39
36
34
29
28
28
3
0

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)

6
9
9
9
9
9
9
9
9
9
9
9
7
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 (%)

3
0
1
16
23
22
10
7
17
25
31
40
33
19
4
3
6
3
0
0
0
0
1
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
11
11
13
10
10
7
6
5
7
9
8
9
9
8
9
10
10
11
11
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

2
2
2
1
3
5
8
7
5
4
5
5
5
5
5
5
4
5
5
4
3
3
3
3

Relative Humidity (%)

52
49
47
43
48
58
76
81
78
79
87
88
90
87
88
90
88
91
93
90
82
73
64
58

Pressure (mb)

1022
1021
1021
1020
1020
1020
1021
1021
1021
1022
1022
1022
1022
1023
1023
1023
1023
1023
1024
1024
1025
1025
1025
1025

Ozone (du)

431
431
432
432
431
431
429
426
423
420
419
416
413
411
411
411
413
416
421
424
424
423
423
421

Tuesday 21

Waxing Crescent 23%

09:34

02:43

13 OK
14 OK
15 OK
16 OK
17 OK
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
08 Good
09 Good
10 Good
11 Good
12 Good

Sun - Rise: 06:26, Set: 20:44, Transit: 13:36. Moon - Rise: 09:34, Set: 02:43. Civil Dark: 21:21 - 05:49. Nautical Dark: 22:07 - 05:03. Astro Dark: 23:00 - 04:09

Total Clouds (% Sky Obscured)

12
42
25
32
33
12
9
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Low Clouds (% Sky Obscured)

12
14
25
32
33
11
8
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
20
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)

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

Chance of Frost

Temperature (°C)

12
13
14
15
15
14
13
12
10
9
8
7
7
6
5
5
5
4
4
5
7
10
11
13

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

52
48
44
40
39
42
47
53
57
59
61
64
66
71
74
75
75
76
76
71
63
56
51
44

Pressure (mb)

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

Ozone (du)

418
417
418
418
416
413
411
408
404
404
403
398
391
387
388
389
392
396
400
402
404
403
400
398

Wednesday 22

Waxing Crescent 34%

10:57

03:27

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 OK
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 OK
11 OK
12 OK

Sun - Rise: 06:24, Set: 20:46, Transit: 13:36. Moon - Rise: 10:57, Set: 03:27. Civil Dark: 21:23 - 05:47. Nautical Dark: 22:09 - 05:01. Astro Dark: 23:03 - 04:06

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
30
68
85
86
79
76
57
42
38
31

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
24
59
74
70
68
66
55
42
29
16

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
2
4

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
22
4
23
7
3
7
10

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

Chance of Frost

Temperature (°C)

14
15
16
16
16
16
16
14
12
10
9
8
7
6
5
4
3
3
4
5
7
9
11
13

Feels Like (°C)

12
12
13
14
13
14
13
13
10
9
7
6
5
5
4
3
2
2
2
4
4
6
8
10

Dew Point (°C)

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

Relative Humidity (%)

40
38
38
38
39
41
47
55
55
56
61
68
70
72
72
76
77
83
88
82
65
52
43
39

Pressure (mb)

1029
1029
1029
1028
1028
1028
1028
1028
1029
1029
1029
1029
1030
1030
1030
1030
1030
1030
1030
1030
1030
1030
1030
1029

Ozone (du)

397
396
400
399
398
395
394
395
396
398
397
395
391
385
380
378
375
373
373
374
374
374
370
368

Thursday 23

Waxing Crescent 46%

12:23

03:57

13 OK
14 OK
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
11 Bad
12 Bad

Sun - Rise: 06:22, Set: 20:48, Transit: 13:36. Moon - Rise: 12:23, Set: 03:57. Civil Dark: 21:24 - 05:45. Nautical Dark: 22:11 - 04:58. Astro Dark: 23:06 - 04:03

Total Clouds (% Sky Obscured)

25
36
48
58
61
59
56
63
69
72
78
80
86
89
87
89
90
91
92
95
100
100
92
83

Low Clouds (% Sky Obscured)

0
0
0
0
13
27
40
51
61
71
75
80
84
86
87
89
90
91
89
89
85
80
74
69

Medium Clouds (% Sky Obscured)

6
4
2
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)

13
26
36
49
39
39
33
36
36
35
35
35
37
51
64
78
85
91
92
95
100
95
72
46

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

Chance of Frost

Temperature (°C)

14
16
16
17
17
15
14
12
10
9
8
8
7
7
7
7
7
6
6
7
8
9
10
11

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

36
35
37
39
42
46
54
62
68
74
82
87
90
88
88
87
88
88
90
81
75
72
69
66

Pressure (mb)

1029
1028
1028
1027
1026
1026
1026
1026
1027
1027
1027
1026
1026
1026
1025
1025
1024
1024
1024
1024
1024
1024
1024
1023

Ozone (du)

367
368
371
371
369
366
365
365
366
367
368
367
366
365
364
364
363
362
360
359
358
358
358
357

Friday 24

First Quarter 58%

No Rise

04:18

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

Sun - Rise: 06:20, Set: 20:49, Transit: 13:36. Moon - Rise: No Rise, Set: 04:18. Civil Dark: 21:26 - 05:43. Nautical Dark: 22:13 - 04:56. Astro Dark: 23:08 - 04:00

Total Clouds (% Sky Obscured)

73
58
48
40
57
52
53
52
51
53
57
89
96
96
96
96
96
98
100
100
100
100
98
97

Low Clouds (% Sky Obscured)

64
53
44
38
45
51
53
52
51
53
57
88
96
96
96
96
96
98
100
100
100
100
98
97

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)

22
15
8
1
3
0
0
11
22
32
21
10
0
6
12
18
25
31
38
48
57
67
45
22

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
1
1
1
3
3
1
6
7
4
10
12

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

64
57
54
55
56
60
62
71
80
85
88
88
75
70
70
70
70
71
71
74
69
64
59
54

Pressure (mb)

1023
1023
1022
1022
1022
1022
1022
1022
1022
1023
1023
1023
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022

Ozone (du)

356
357
356
355
354
355
355
356
358
359
359
361
362
365
368
370
372
376
379
382
379
376
373
373

Saturday 25

Waxing Gibbous 68%

13:47

04:33

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 OK
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad

Sun - Rise: 06:18, Set: 20:51, Transit: 13:35. Moon - Rise: 13:47, Set: 04:33. Civil Dark: 21:28 - 05:41. Nautical Dark: 22:15 - 04:53. Astro Dark: 23:11 - 03:56

Total Clouds (% Sky Obscured)

84
79
76
78
73
64
54
56
58
55
55
49
44
64
74
84
84
85
86
80
78
75
80
84

Low Clouds (% Sky Obscured)

76
68
64
65
62
60
54
56
58
55
55
49
44
64
74
83
84
84
81
72
66
60
63
65

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)

0
0
0
1
0
1
0
0
0
0
0
0
0
0
0
0
2
3
10
9
9
14
14
10

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 (%)

14
12
10
6
5
4
4
5
5
3
4
5
5
5
3
0
1
0
0
1
1
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
9
9
9
9
9
9
8
7
6
6
6
6
5
5
5
5
5
5
5
5
6
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

7
7
14
13
12
13
13
13
8
9
8
8
8
7
5
5
5
5
5
5
5
6
7
7

Dew Point (°C)

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

Relative Humidity (%)

49
46
45
45
45
48
51
54
58
63
68
73
78
84
78
75
70
69
68
67
64
62
61
60

Pressure (mb)

1021
1021
1021
1021
1020
1020
1020
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1022
1022
1022
1022

Ozone (du)

373
373
377
381
384
386
387
389
390
391
392
391
390
389
388
387
387
389
392
394
394
394
394
393

Sunday 26

Waxing Gibbous 78%

15:07

04:45

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

Sun - Rise: 06:16, Set: 20:53, Transit: 13:35. Moon - Rise: 15:07, Set: 04:45. Civil Dark: 21:30 - 05:39. Nautical Dark: 22:18 - 04:51. Astro Dark: 23:15 - 03:53

Total Clouds (% Sky Obscured)

87
85
83
82
77
72
68
54
42
30
44
57
73
76
81
86
85
86
87

Low Clouds (% Sky Obscured)

68
67
66
66
66
64
62
51
40
30
44
57
67
73
80
85
85
86
87

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)

20
13
14
8
10
7
5
3
2
0
0
1
2
3
5
7
15
22
29

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 (%)

1
2
1
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)

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

Chance of Frost

Temperature (°C)

13
14
14
14
14
14
13
13
12
10
9
9
9
9
9
9
9
9
9

Feels Like (°C)

7
7
11
11
11
11
11
11
9
9
9
9
8
8
7
7
7
7
7

Dew Point (°C)

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

Relative Humidity (%)

59
57
59
59
59
61
62
63
65
67
70
70
72
73
75
78
78
80
80

Pressure (mb)

1022
1022
1022
1022
1022
1022
1022
1022
1023
1023
1023
1024
1024
1024
1024
1024
1024
1024
1024

Ozone (du)

393
393
393
394
394
393
392
391
391
392
393
394
396
397
397
397
396
399
401

Forecast for Eindhoven, Gemeente Eindhoven, Netherlands (51.44,5.48)

Generated: 20/04/26 13:35:49. Forecast: 20/04/26 to 26/04/26. Timezone: UTC+2.00