Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 23

Waning Crescent 17%

05:12

16:49

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

Sun - Rise: 07:00, Set: 20:43, Transit: 13:52. Moon - Rise: 05:12, Set: 16:49. Civil Dark: 21:12 - 06:31. Nautical Dark: 21:48 - 05:55. Astro Dark: 22:25 - 05:17

Total Clouds (% Sky Obscured)

12
10
7
0
0
0
0
0
0
0
0
0
0
0
0
25
36
30
0
5
10
9
12
10

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
25
36
30
0
5
10
9
12
10

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
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 (%)

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)

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

Chance of Frost

Temperature (°C)

19
17
16
16
15
14
14
14
14
13
13
12
12
14
17
19
20
21
21
20
21
20
19
18

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

58
68
72
73
71
67
68
69
70
71
72
73
71
62
59
54
52
51
55
60
64
65
69
73

Pressure (mb)

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

Ozone (du)

344
342
343
343
345
347
345
345
345
345
344
344
346
348
348
349
349
346
344
344
340
338
336
336

Thursday 24

Waning Crescent 9%

05:36

18:06

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

Sun - Rise: 06:59, Set: 20:44, Transit: 13:52. Moon - Rise: 05:36, Set: 18:06. Civil Dark: 21:13 - 06:29. Nautical Dark: 21:49 - 05:54. Astro Dark: 22:27 - 05:15

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
1
5
5
34
34
47
52
47
85
66
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
20
25
35
43
41
31
8
10
26
34

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
6
33

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
1
5
5
34
34
41
39
43
80
66
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 (%)

0
0
0
0
1
20
45
62
48
26
15
27
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)

3
1
0
0
0
1
3
1
2
1
1
1
1
0
0
2
3
5
8
7
6
6
6
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

13
13
13
12
12
11
11
10
10
10
10
9
10
10
11
11
11
11
12
11
12
11
12
11

Relative Humidity (%)

79
85
86
84
86
87
87
86
87
88
88
88
86
78
71
64
58
55
57
57
58
57
59
64

Pressure (mb)

1018
1018
1019
1019
1018
1018
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1016
1016
1015
1015
1015
1014
1014
1014

Ozone (du)

335
336
335
332
332
331
328
326
327
327
325
322
320
316
316
316
318
318
317
317
315
314
314
314

Friday 25

Waning Crescent 3%

06:00

19:25

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
19 Bad

Sun - Rise: 06:57, Set: 20:45, Transit: 13:52. Moon - Rise: 06:00, Set: 19:25. Civil Dark: 21:14 - 06:28. Nautical Dark: 21:50 - 05:52. Astro Dark: 22:29 - 05:13

Total Clouds (% Sky Obscured)

99
97
100
84
97
94
89
77
77
88
100
97
77
88
89
93
92
85
85
89
93
94
94
97

Low Clouds (% Sky Obscured)

27
4
0
0
0
0
4
0
0
42
55
63
69
59
81
87
87
77
77
81
83
84
84
86

Medium Clouds (% Sky Obscured)

3
1
13
3
0
13
16
25
48
46
96
57
52
67
60
59
9
14
13
19
23
33
39
37

High Clouds (% Sky Obscured)

94
93
100
84
97
88
88
71
54
68
48
95
8
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
6
9
9
9
9
9
6
6
9
9
9
6
9

Fog (%)

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

Precipitation Type

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

Precipitation Probability (%)

1
0
2
1
2
6
6
8
32
76
95
78
77
60
48
35
33
51
52
56
52
56
52
48

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.5
1
0.4
0.4
0
0
0
0
0.3
0
0
0
0
0
0.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

12
12
12
12
12
12
11
11
11
12
12
12
11
10
10
11
12
11
12
12
13
14
14
14

Relative Humidity (%)

70
77
78
80
83
84
84
84
86
87
87
86
80
70
66
66
65
59
62
64
71
77
81
81

Pressure (mb)

1014
1014
1015
1015
1015
1015
1014
1014
1014
1014
1014
1015
1015
1015
1015
1016
1016
1016
1016
1016
1016
1016
1017
1017

Ozone (du)

313
313
312
313
315
314
314
318
319
317
318
319
322
326
331
336
339
342
343
345
347
348
348
350

Saturday 26

Waning Crescent 0%

06:26

No Set

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

Sun - Rise: 06:56, Set: 20:46, Transit: 13:52. Moon - Rise: 06:26, Set: No Set. Civil Dark: 21:16 - 06:26. Nautical Dark: 21:51 - 05:50. Astro Dark: 22:30 - 05:11

Total Clouds (% Sky Obscured)

96
96
95
93
90
87
69
60
45
27
12
0
0
0
1
4
5
6
26
43
64
50
37
24

Low Clouds (% Sky Obscured)

87
88
88
85
82
79
64
57
44
26
12
0
0
0
0
0
0
0
1
1
1
0
0
2

Medium Clouds (% Sky Obscured)

30
30
27
21
11
7
5
2
0
0
0
0
0
0
1
2
3
4
14
24
29
20
9
3

High Clouds (% Sky Obscured)

0
0
0
0
0
2
0
2
2
1
0
0
0
0
0
1
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 (%)

3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3

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 (%)

35
29
32
21
25
19
12
7
6
3
1
0
0
0
0
1
1
1
3
4
2
3
4
2

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

Chance of Frost

Temperature (°C)

16
16
15
14
14
14
14
14
14
13
13
12
12
14
16
18
19
21
22
22
22
22
20
19

Feels Like (°C)

15
15
14
13
13
13
14
14
13
13
12
12
12
14
16
19
20
21
20
20
20
20
19
18

Dew Point (°C)

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

Relative Humidity (%)

81
82
82
82
84
84
87
87
87
84
83
81
79
67
54
46
42
41
43
44
46
49
52
52

Pressure (mb)

1018
1018
1019
1019
1019
1019
1019
1018
1018
1019
1019
1019
1019
1019
1019
1020
1019
1019
1019
1019
1019
1019
1019
1020

Ozone (du)

350
351
350
352
353
354
356
359
360
361
361
363
366
365
363
362
361
360
359
361
363
365
367
368

Sunday 27

New Moon 1%

06:57

20:47

20 OK
21 OK
22 OK
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
13 Good
14 Good
15 Good
16 Good
17 Good
18 Good
19 Good

Sun - Rise: 06:55, Set: 20:47, Transit: 13:51. Moon - Rise: 06:57, Set: 20:47. Civil Dark: 21:17 - 06:25. Nautical Dark: 21:53 - 05:49. Astro Dark: 22:32 - 05:10

Total Clouds (% Sky Obscured)

25
24
23
17
15
14
7
0
0
0
0
0
18
12
6
4
2
0
0
1
1
2
3
3

Low Clouds (% Sky Obscured)

2
2
2
2
5
6
7
0
0
0
0
0
8
4
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

4
6
7
6
3
0
0
0
0
0
0
0
1
2
3
2
1
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
1
4
9
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
2
3
3

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 (%)

3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3

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 (%)

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

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
4
2
3
3
4
4
4
3
4
4
5
5
2
0
2
5
8
11
11
11
10
9
8

Chance of Frost

Temperature (°C)

17
16
15
14
14
13
12
12
12
11
11
12
12
14
17
20
20
21
21
21
21
21
20
19

Feels Like (°C)

17
17
15
15
13
12
12
12
12
12
12
12
12
13
16
17
18
19
19
22
21
20
20
20

Dew Point (°C)

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

Relative Humidity (%)

55
63
67
70
74
75
76
73
72
72
71
70
64
57
51
45
44
43
41
43
44
46
49
54

Pressure (mb)

1020
1021
1022
1022
1022
1022
1022
1021
1021
1020
1020
1020
1020
1020
1020
1019
1019
1019
1019
1018
1018
1017
1017
1017

Ozone (du)

369
369
369
370
370
370
369
369
370
370
370
368
365
363
360
358
355
352
349
347
345
344
341
339

Monday 28

Waxing Crescent 5%

07:36

22:10

20 Good
21 Good
22 Good
23 OK
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
19 OK

Sun - Rise: 06:53, Set: 20:48, Transit: 13:51. Moon - Rise: 07:36, Set: 22:10. Civil Dark: 21:18 - 06:23. Nautical Dark: 21:54 - 05:47. Astro Dark: 22:33 - 05:08

Total Clouds (% Sky Obscured)

4
4
5
28
52
76
74
72
70
68
67
60
58
56
54
67
77
88
80
72
63
53
49
46

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
1
1
8
18
34
34
34
34
31
25
23
23
20
15

Medium Clouds (% Sky Obscured)

0
1
1
3
3
4
8
15
22
19
16
12
10
7
4
3
1
17
13
3
0
0
0
0

High Clouds (% Sky Obscured)

3
2
2
21
41
60
55
55
40
24
24
14
4
0
4
8
14
21
21
21
24
21
10
2

ISS Passover

Visibility (miles)

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

Fog (%)

3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3

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 (%)

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

7
5
4
4
4
4
3
3
4
4
4
4
4
4
6
10
11
12
13
12
12
11
11
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

10
10
10
10
11
10
10
10
10
10
10
10
11
11
11
11
11
11
11
10
10
9
9
9

Relative Humidity (%)

57
63
68
75
79
82
84
86
87
90
90
90
90
79
69
61
59
57
57
55
54
54
57
60

Pressure (mb)

1017
1017
1017
1018
1017
1017
1017
1017
1017
1016
1016
1016
1016
1016
1016
1016
1016
1015
1015
1015
1014
1014
1014
1014

Ozone (du)

337
334
331
328
326
324
322
321
321
320
320
320
320
320
320
321
323
325
327
328
329
330
330
330

Tuesday 29

Waxing Crescent 12%

08:24

23:32

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

Sun - Rise: 06:52, Set: 20:49, Transit: 13:51. Moon - Rise: 08:24, Set: 23:32. Civil Dark: 21:19 - 06:22. Nautical Dark: 21:55 - 05:46. Astro Dark: 22:35 - 05:06

Total Clouds (% Sky Obscured)

43
40
38
33
29
23
33
47
60
45
30
18
32
49
64
68
79
77

Low Clouds (% Sky Obscured)

14
13
12
10
13
10
9
10
11
10
8
9
20
32
42
36
30
24

Medium Clouds (% Sky Obscured)

0
0
0
1
2
4
24
44
60
41
21
1
2
3
5
2
2
2

High Clouds (% Sky Obscured)

2
2
1
1
2
2
1
1
0
0
0
0
4
9
12
26
41
55

ISS Passover

Visibility (miles)

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

Fog (%)

3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

1
1
0
3
3
3
5
5
4
5
4
2
7
9
10
16
18
18

Precipitation Amount (mm)

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
5
5
5
5
5
5
5
5
5
7
9
12
13
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

16
15
15
16
16
15
15
14
14
14
14
13
13
15
15
16
16
18

Dew Point (°C)

10
10
11
11
11
11
11
11
11
11
11
11
11
12
12
12
12
13

Relative Humidity (%)

65
69
75
82
83
84
84
86
87
87
87
86
86
79
72
65
63
62

Pressure (mb)

1014
1014
1014
1015
1015
1015
1015
1015
1014
1014
1014
1014
1014
1014
1014
1015
1014
1014

Ozone (du)

330
331
332
333
333
334
335
335
335
335
336
337
338
340
343
345
351
356

Forecast for Altafulla, Tarragona, Spain (41.14,1.38)

Generated: 23/04/25 20:05:22. Forecast: 23/04/25 to 29/04/25. Timezone: UTC+2.00