Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 20

Waxing Crescent 14%

09:29

01:06

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

Sun - Rise: 07:40, Set: 20:59, Transit: 14:20. Moon - Rise: 09:29, Set: 01:06. Civil Dark: 21:26 - 07:14. Nautical Dark: 21:58 - 06:42. Astro Dark: 22:31 - 06:08

Total Clouds (% Sky Obscured)

15
39
53
63
76
94
45
48
82
82
76
26
29
38
28
6
6
5
12
14
45
83
87
83

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
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
4
23
9
3
26
29
31
4
3
3
0
0
0
0
4
0
0

High Clouds (% Sky Obscured)

15
39
53
63
76
94
45
39
79
82
76
15
9
38
28
4
5
4
12
10
42
83
86
83

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)

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

Chance of Frost

Temperature (°C)

15
14
13
13
13
16
18
19
20
21
21
21
21
20
19
18
17
16
15
15
14
14
14
14

Feels Like (°C)

14
13
12
12
12
15
17
18
19
19
19
18
19
18
18
19
18
17
16
15
14
12
14
12

Dew Point (°C)

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

Relative Humidity (%)

87
87
86
86
80
65
57
50
46
43
43
45
50
49
53
70
86
90
90
92
90
86
86
84

Pressure (mb)

1014
1014
1014
1014
1014
1014
1014
1015
1014
1014
1013
1013
1012
1011
1011
1011
1011
1012
1012
1012
1011
1011
1010
1010

Ozone (du)

324
325
327
326
327
328
330
331
333
335
335
334
335
336
338
338
338
339
339
341
340
341
342
340

Tuesday 21

Waxing Crescent 24%

10:28

02:10

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 OK
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 OK

Sun - Rise: 07:39, Set: 21:00, Transit: 14:20. Moon - Rise: 10:28, Set: 02:10. Civil Dark: 21:27 - 07:12. Nautical Dark: 21:59 - 06:40. Astro Dark: 22:32 - 06:07

Total Clouds (% Sky Obscured)

97
100
84
81
100
100
100
100
100
100
100
100
100
100
100
78
38
75
82
77
82
86
61
31

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
7
14
0
0
0
0
0
0
5
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
58
82
81
97
97
100
98
83
78
67
90
88
81
70
52
12
17
21
77
68
12
14
9

High Clouds (% Sky Obscured)

96
100
73
76
100
100
100
100
100
100
100
100
100
100
100
72
38
50
61
62
70
81
39
5

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
4
13
16

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
1
33
5
1
0
0
1
1
2
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
5
6
7
11
11
12
12
8
8
7
7
3
1
2
4
4
4
4
4
4
3

Chance of Frost

Temperature (°C)

13
13
13
14
15
17
18
19
19
19
20
20
20
20
20
20
19
18
17
16
16
15
15
14

Feels Like (°C)

12
12
12
13
14
15
15
16
15
16
18
18
18
18
19
20
18
17
17
16
16
15
14
16

Dew Point (°C)

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

Relative Humidity (%)

82
80
80
79
75
67
56
53
47
44
44
52
45
46
55
63
65
74
89
93
95
95
95
93

Pressure (mb)

1010
1009
1009
1009
1010
1010
1010
1010
1010
1010
1011
1010
1010
1010
1009
1010
1011
1011
1012
1012
1012
1012
1012
1011

Ozone (du)

341
339
340
342
344
345
346
346
346
346
345
347
347
347
347
348
351
355
358
358
363
369
370
371

Wednesday 22

Waxing Crescent 35%

11:36

03:04

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

Sun - Rise: 07:38, Set: 21:01, Transit: 14:19. Moon - Rise: 11:36, Set: 03:04. Civil Dark: 21:28 - 07:11. Nautical Dark: 22:00 - 06:39. Astro Dark: 22:34 - 06:05

Total Clouds (% Sky Obscured)

30
21
16
27
24
2
3
2
2
2
0
16
48
37
22
43
48
37
28
53
96
100
100
100

Low Clouds (% Sky Obscured)

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

Medium Clouds (% Sky Obscured)

12
9
7
13
14
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
5
12
19
66

High Clouds (% Sky Obscured)

3
1
3
3
3
2
0
0
2
2
0
8
31
33
22
40
47
34
28
52
92
100
100
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 (%)

19
76
100
63
3
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)

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

Chance of Frost

Temperature (°C)

14
15
15
14
16
18
20
21
23
24
25
26
26
26
26
24
21
19
18
17
16
15
15
15

Feels Like (°C)

17
17
16
16
18
20
23
24
24
25
25
27
27
29
27
26
21
20
18
17
15
14
14
14

Dew Point (°C)

13
13
12
12
12
11
11
10
9
9
10
11
12
13
16
18
19
18
17
16
16
15
15
14

Relative Humidity (%)

89
87
86
86
75
61
55
49
42
39
38
39
39
43
53
69
84
91
95
95
96
96
98
95

Pressure (mb)

1011
1012
1012
1012
1013
1013
1014
1014
1014
1013
1013
1012
1012
1012
1012
1011
1012
1012
1013
1013
1013
1013
1013
1012

Ozone (du)

369
368
365
364
366
367
366
361
356
354
352
348
344
342
344
345
344
342
340
339
340
340
339
340

Thursday 23

Waxing Crescent 46%

12:48

03:47

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: 07:37, Set: 21:02, Transit: 14:19. Moon - Rise: 12:48, Set: 03:47. Civil Dark: 21:29 - 07:10. Nautical Dark: 22:01 - 06:37. Astro Dark: 22:35 - 06:03

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
90
81
72
71
70
69
74
79
81
81
79
76

Low Clouds (% Sky Obscured)

5
10
14
10
5
0
16
29
39
42
40
36
30
23
17
20
23
26
24
23
22
13
7
0

Medium Clouds (% Sky Obscured)

74
72
73
77
71
53
62
18
17
13
11
8
8
9
10
40
16
30
27
29
31
26
27
38

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
82
64
52
43
37
35
34
32
26
20
20
25

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
9
9
8

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
5
6
12
16
19
5
4
3
4
4
1
5
11
10
18
35
32
20
40
46

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

Chance of Frost

Temperature (°C)

15
14
14
14
16
17
18
19
19
20
20
20
20
19
19
18
18
17
17
17
16
16
16
16

Feels Like (°C)

14
13
13
14
15
16
17
18
19
20
20
18
18
18
18
18
18
17
17
17
18
18
16
16

Dew Point (°C)

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

Relative Humidity (%)

93
92
87
84
78
69
62
58
60
52
45
46
50
58
63
74
89
90
90
93
95
96
96
95

Pressure (mb)

1012
1012
1012
1013
1013
1014
1014
1014
1014
1014
1014
1014
1014
1013
1014
1014
1014
1015
1015
1015
1015
1015
1015
1014

Ozone (du)

338
338
337
338
340
340
339
338
337
334
334
333
333
332
331
330
331
330
330
330
330
330
330
330

Friday 24

First Quarter 58%

13:59

04:22

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: 07:35, Set: 21:03, Transit: 14:19. Moon - Rise: 13:59, Set: 04:22. Civil Dark: 21:29 - 07:08. Nautical Dark: 22:02 - 06:36. Astro Dark: 22:36 - 06:02

Total Clouds (% Sky Obscured)

77
78
78
87
94
72
62
60
60
74
100
81
91
92
81
81
80
80
87
93
100
95
88
75

Low Clouds (% Sky Obscured)

7
13
31
23
24
22
28
34
45
47
49
49
54
55
24
20
22
25
27
29
32
28
25
21

Medium Clouds (% Sky Obscured)

25
22
54
84
91
43
46
43
43
51
57
60
60
60
60
50
55
55
55
55
55
53
51
49

High Clouds (% Sky Obscured)

24
28
33
54
71
72
62
60
60
74
100
80
85
85
80
75
65
60
77
88
100
92
84
75

ISS Passover

Visibility (miles)

8
8
8
8
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
Very Light Rain
Light Rain
None
None
None
None
None
None
Very Light Rain
Very Light Rain
Light Rain
Very Light Rain
None
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Moderate Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

50
60
55
52
15
11
16
14
11
31
52
71
70
65
51
61
68
67
88
95
95
95
91
86

Precipitation Amount (mm)

0
0
0.2
0.4
0
0
0
0
0
0
0.2
0.3
0.4
0.3
0
0.2
0.3
0.2
0.7
1.4
2.6
1.1
0.8
0.8

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

16
16
16
16
16
17
18
18
18
18
18
18
17
17
17
16
17
16
16
15
15
14
14
14

Feels Like (°C)

16
18
17
16
17
19
20
19
19
17
17
18
17
15
16
17
18
19
20
18
17
16
13
13

Dew Point (°C)

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

Relative Humidity (%)

96
95
95
95
89
81
72
63
61
67
66
57
60
61
58
59
68
78
89
90
92
92
95
95

Pressure (mb)

1014
1014
1015
1015
1015
1016
1016
1016
1016
1015
1015
1015
1014
1014
1014
1014
1015
1015
1015
1015
1015
1015
1014
1014

Ozone (du)

329
333
335
339
346
353
364
371
376
376
381
385
388
390
391
388
383
378
374
372
370
368
365
362

Saturday 25

Waxing Gibbous 69%

15:07

04:51

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 OK

Sun - Rise: 07:34, Set: 21:03, Transit: 14:19. Moon - Rise: 15:07, Set: 04:51. Civil Dark: 21:30 - 07:07. Nautical Dark: 22:03 - 06:35. Astro Dark: 22:37 - 06:00

Total Clouds (% Sky Obscured)

70
61
51
59
71
84
77
73
67
64
64
65
71
73
79
75
75
71
72
75
78
67
57
47

Low Clouds (% Sky Obscured)

26
31
31
30
33
35
38
41
40
44
46
47
40
31
23
18
12
10
12
13
12
14
11
10

Medium Clouds (% Sky Obscured)

51
43
51
59
71
80
77
69
64
63
51
32
23
14
14
14
13
18
21
28
34
37
44
40

High Clouds (% Sky Obscured)

70
61
51
59
71
84
74
56
41
31
22
13
21
27
31
27
22
19
20
23
26
19
16
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

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

Precipitation Probability (%)

75
58
23
23
23
20
16
14
17
13
8
5
9
9
6
8
8
4
6
5
1
1
0
0

Precipitation Amount (mm)

0.6
0.3
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)

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

Chance of Frost

Temperature (°C)

14
14
13
13
15
16
17
18
18
19
19
19
19
18
17
17
16
15
15
15
14
14
13
13

Feels Like (°C)

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

Dew Point (°C)

13
13
12
12
11
9
7
6
5
4
3
3
2
3
4
6
7
8
9
8
8
8
7
7

Relative Humidity (%)

96
95
93
92
76
64
54
47
42
36
36
34
33
37
42
48
54
59
66
66
67
67
66
66

Pressure (mb)

1014
1014
1013
1013
1013
1014
1014
1014
1013
1013
1013
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1011

Ozone (du)

359
356
352
349
346
343
341
338
336
334
331
329
326
326
326
325
325
324
324
323
323
322
321
320

Sunday 26

Waxing Gibbous 78%

16:12

No Set

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

Sun - Rise: 07:33, Set: 21:04, Transit: 14:19. Moon - Rise: 16:12, Set: No Set. Civil Dark: 21:31 - 07:06. Nautical Dark: 22:04 - 06:33. Astro Dark: 22:38 - 05:59

Total Clouds (% Sky Obscured)

57
68
77
67
58
50
48
46
39
53
68
83
79
76
75
70
65
57
58
60
59

Low Clouds (% Sky Obscured)

9
8
6
10
16
20
21
23
24
21
21
20
18
14
12
15
23
26
34
36
40

Medium Clouds (% Sky Obscured)

39
41
40
39
35
31
26
23
16
19
22
27
26
36
34
37
29
25
21
17
13

High Clouds (% Sky Obscured)

21
34
47
35
25
16
11
8
5
22
40
57
44
31
18
13
7
2
6
9
14

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 (%)

0
0
0
8
2
0
0
0
0
0
1
0
0
0
0
1
1
1
5
3
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)

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

Chance of Frost

Temperature (°C)

13
12
12
12
14
16
18
20
21
22
21
21
21
21
20
20
18
17
15
15
15

Feels Like (°C)

12
12
12
11
11
13
13
16
17
18
23
22
20
22
22
22
17
18
18
17
16

Dew Point (°C)

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

Relative Humidity (%)

66
67
69
70
64
60
54
54
52
52
51
50
49
56
64
72
81
87
98
93
90

Pressure (mb)

1011
1011
1011
1011
1011
1012
1012
1012
1012
1012
1012
1011
1011
1011
1011
1011
1012
1012
1013
1013
1012

Ozone (du)

319
320
320
320
321
321
321
321
321
321
321
321
320
321
321
322
323
323
324
325
325

Forecast for Gibraltar, Gibraltar (36.14,-5.35)

Generated: 20/04/26 05:49:07. Forecast: 20/04/26 to 26/04/26. Timezone: UTC+2.00