Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 18

Waning Crescent 12%

04:59

18:36

11 Good
12 Good
13 OK
14 OK
15 OK
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 OK
07 Good
08 Good
09 Good
10 OK

Sun - Rise: 07:39, Set: 19:58, Transit: 13:48. Moon - Rise: 04:59, Set: 18:36. Civil Dark: 20:25 - 07:12. Nautical Dark: 20:57 - 06:39. Astro Dark: 21:31 - 06:06

Total Clouds (% Sky Obscured)

7
11
21
36
41
44
51
53
60
59
57
64
70
100
100
100
100
100
50
35
9
4
11
29

Low Clouds (% Sky Obscured)

7
11
21
30
35
37
43
47
54
52
52
60
59
58
59
50
41
32
21
17
0
0
8
27

Medium Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

0
0
0
2
1
0
1
0
0
1
0
2
35
100
100
100
100
100
41
23
9
4
1
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
2
15
47
68
35
27
48
73
91
40
20
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
4
5
8
9
8
8
6
5
4
3
2
2
2
2
2
2
2
3
3
3
3
3
3

Chance of Frost

Temperature (°C)

24
26
27
28
28
27
27
26
25
24
24
23
23
22
22
21
21
21
21
20
20
20
21
23

Feels Like (°C)

28
29
29
30
29
29
28
28
27
27
27
27
27
24
24
24
23
23
22
22
21
21
24
27

Dew Point (°C)

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

Relative Humidity (%)

56
51
47
47
48
49
50
53
56
65
69
72
72
74
76
77
80
81
81
81
80
80
75
68

Pressure (mb)

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

Ozone (du)

277
276
276
276
276
275
274
272
271
270
270
270
270
270
270
269
270
270
271
273
273
272
271
272

Friday 19

Waning Crescent 6%

06:06

19:00

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

Sun - Rise: 07:40, Set: 19:56, Transit: 13:48. Moon - Rise: 06:06, Set: 19:00. Civil Dark: 20:23 - 07:13. Nautical Dark: 20:56 - 06:40. Astro Dark: 21:29 - 06:07

Total Clouds (% Sky Obscured)

34
31
28
34
29
32
43
47
49
34
51
54
46
53
68
70
61
54
53
60
69
70
69
81

Low Clouds (% Sky Obscured)

32
31
26
32
26
29
40
45
46
30
46
42
41
53
66
70
61
52
53
60
68
70
69
81

Medium Clouds (% Sky Obscured)

0
0
1
0
0
0
0
0
0
0
0
7
3
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
2
2
1
0
0
0
0
8
10
0
3
8
8
11
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
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
1
1
3
16
6
18
14
6
19
10
21
9

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)

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

Chance of Frost

Temperature (°C)

24
25
26
27
26
26
26
25
25
24
23
22
22
21
21
21
21
21
21
21
21
21
22
23

Feels Like (°C)

27
27
28
28
27
27
28
27
26
27
26
26
25
24
24
24
23
24
24
25
24
25
26
27

Dew Point (°C)

15
15
15
14
14
14
15
15
17
19
19
19
19
19
19
19
19
19
19
19
19
20
19
19

Relative Humidity (%)

58
53
49
46
45
46
49
53
62
73
78
83
85
88
89
88
85
87
88
89
89
89
84
77

Pressure (mb)

1025
1025
1025
1024
1024
1023
1023
1023
1023
1024
1024
1024
1024
1024
1024
1023
1023
1022
1022
1022
1022
1022
1022
1022

Ozone (du)

272
272
271
271
272
271
271
271
271
271
271
271
270
269
269
269
269
269
270
271
271
269
268
267

Saturday 20

Waning Crescent 2%

07:11

19:22

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

Sun - Rise: 07:41, Set: 19:54, Transit: 13:47. Moon - Rise: 07:11, Set: 19:22. Civil Dark: 20:22 - 07:14. Nautical Dark: 20:54 - 06:42. Astro Dark: 21:27 - 06:09

Total Clouds (% Sky Obscured)

79
76
82
63
71
71
60
43
75
74
85
96
99
71
100
45
82
93
82
79
81
88
95
99

Low Clouds (% Sky Obscured)

77
76
82
57
63
58
52
43
49
38
41
45
52
50
41
27
37
48
50
44
50
56
81
77

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
4
4
25
25
58
81
88
85
86

High Clouds (% Sky Obscured)

27
11
26
27
30
30
18
5
59
55
73
91
99
50
100
25
63
80
34
25
26
52
73
92

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
4

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
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
Light Rain
Very Light Rain

Precipitation Probability (%)

5
2
1
0
0
0
0
0
0
0
1
1
0
4
4
2
2
1
8
15
13
25
95
80

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
1.6
0.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

24
25
26
26
26
26
26
25
25
24
23
23
22
22
22
21
21
21
21
21
21
21
22
23

Feels Like (°C)

27
27
27
27
26
26
26
26
27
25
25
25
24
24
25
23
25
24
22
23
23
23
24
23

Dew Point (°C)

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

Relative Humidity (%)

69
63
59
59
59
60
61
64
67
74
80
85
87
88
88
89
89
88
89
89
91
88
84
89

Pressure (mb)

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

Ozone (du)

267
267
267
268
269
270
271
271
271
270
270
270
270
269
269
271
271
272
271
271
272
272
272
271

Sunday 21

New Moon 0%

08:14

19:41

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
07 Bad
08 Bad
09 Bad
10 Bad

Sun - Rise: 07:42, Set: 19:52, Transit: 13:47. Moon - Rise: 08:14, Set: 19:41. Civil Dark: 20:20 - 07:15. Nautical Dark: 20:52 - 06:43. Astro Dark: 21:25 - 06:10

Total Clouds (% Sky Obscured)

94
55
64
70
68
75
77
95
98
100
100
100
100
99
92
90
87
82
89
79
77
72
68
65

Low Clouds (% Sky Obscured)

64
55
64
56
40
28
36
46
57
77
74
82
76
67
67
45
21
0
0
8
10
15
20
20

Medium Clouds (% Sky Obscured)

39
25
9
18
27
32
36
27
81
99
77
15
25
25
25
33
37
41
36
27
23
22
22
19

High Clouds (% Sky Obscured)

85
36
34
34
37
38
49
89
58
73
100
100
95
98
80
82
86
82
75
35
2
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
8
9
9
9
9
9
9
9
9
9
6
7
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
Very Light Rain
None
None
None

Precipitation Probability (%)

38
55
61
74
85
95
86
84
95
95
95
95
95
95
95
95
90
72
60
49
50
42
36
15

Precipitation Amount (mm)

0
0
0
0.3
0.4
0.6
0.4
0.4
0.5
0.7
0.6
0.6
1
1.3
0.8
0.7
0.5
0.4
0.3
0
0.3
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

25
25
25
25
25
24
24
23
23
22
22
22
21
21
20
19
19
18
18
17
17
17
18
19

Feels Like (°C)

27
27
28
27
26
25
25
25
24
24
24
24
24
23
22
23
23
22
20
17
17
16
17
17

Dew Point (°C)

22
19
18
19
19
18
18
17
18
19
18
19
18
18
18
17
17
16
15
14
13
12
12
10

Relative Humidity (%)

84
71
65
66
67
69
69
68
75
83
80
84
82
82
88
85
86
86
83
81
79
73
66
57

Pressure (mb)

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

Ozone (du)

274
276
277
277
277
277
277
278
279
277
280
281
283
286
287
287
287
288
289
290
291
292
292
293

Monday 22

Waxing Crescent 1%

09:16

20:00

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 OK
07 OK
08 OK
09 OK
10 Good

Sun - Rise: 07:43, Set: 19:51, Transit: 13:46. Moon - Rise: 09:16, Set: 20:00. Civil Dark: 20:18 - 07:16. Nautical Dark: 20:50 - 06:44. Astro Dark: 21:23 - 06:11

Total Clouds (% Sky Obscured)

68
70
73
58
48
39
39
35
43
58
72
88
84
82
76
66
56
47
31
16
0
0
0
0

Low Clouds (% Sky Obscured)

34
51
67
58
48
39
39
29
0
0
0
0
0
0
1
2
2
2
2
1
0
0
0
0

Medium Clouds (% Sky Obscured)

17
12
6
7
6
5
6
7
6
14
22
30
33
27
30
36
39
28
19
7
0
0
0
0

High Clouds (% Sky Obscured)

0
1
2
12
18
30
20
15
25
14
10
10
5
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 (%)

22
17
18
14
14
19
35
42
28
16
27
30
38
31
43
43
43
40
39
35
21
27
23
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)

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

Chance of Frost

Temperature (°C)

20
21
21
22
22
23
23
23
22
21
20
19
18
18
18
18
17
17
16
15
14
14
15
17

Feels Like (°C)

19
19
20
21
21
21
22
22
22
21
20
19
18
18
18
18
18
19
19
18
17
17
15
15

Dew Point (°C)

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

Relative Humidity (%)

51
47
43
41
39
47
59
66
65
66
66
66
69
70
73
72
71
67
66
66
63
63
57
51

Pressure (mb)

1013
1013
1013
1013
1013
1012
1012
1012
1012
1012
1013
1013
1014
1014
1014
1014
1014
1013
1013
1013
1013
1014
1014
1014

Ozone (du)

294
295
295
296
296
297
297
296
297
297
298
297
297
298
300
302
306
310
314
316
318
319
323
326

Tuesday 23

Waxing Crescent 3%

10:19

20:20

11 Good
12 Good
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 OK
03 OK
04 OK
05 OK
06 OK
07 Good
08 Good
09 Good
10 Good

Sun - Rise: 07:44, Set: 19:49, Transit: 13:46. Moon - Rise: 10:19, Set: 20:20. Civil Dark: 20:16 - 07:17. Nautical Dark: 20:49 - 06:45. Astro Dark: 21:21 - 06:12

Total Clouds (% Sky Obscured)

0
0
2
5
9
11
10
14
13
9
5
1
4
6
9
14
21
26
23
19
13
8
4
0

Low Clouds (% Sky Obscured)

0
0
2
5
9
11
10
13
13
9
5
1
4
6
9
14
20
26
23
19
13
8
3
0

Medium Clouds (% Sky Obscured)

0
0
2
4
1
0
0
0
0
0
0
0
0
0
1
1
1
2
1
1
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 (%)

13
10
3
4
3
1
4
4
3
9
9
3
2
1
0
5
7
5
7
5
2
2
1
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
4
5
5
6
8
9
9
8
8
7
7
6
6
6
6
6
6
5
5
5
4
4
3

Chance of Frost

Temperature (°C)

19
20
21
22
22
23
23
22
21
20
18
17
16
15
14
13
13
13
13
13
13
12
15
17

Feels Like (°C)

15
15
16
16
21
21
21
21
21
21
17
15
14
14
13
13
12
13
13
14
13
13
13
14

Dew Point (°C)

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

Relative Humidity (%)

46
42
36
32
30
29
27
30
33
37
40
44
49
52
55
59
59
60
61
62
63
63
55
47

Pressure (mb)

1015
1015
1014
1014
1014
1013
1013
1013
1014
1014
1015
1016
1016
1017
1017
1017
1017
1018
1018
1018
1018
1019
1019
1019

Ozone (du)

330
331
332
334
333
332
331
331
330
330
329
328
326
324
321
319
318
317
315
315
314
314
313
313

Wednesday 24

Waxing Crescent 7%

No Rise

20:42

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

Sun - Rise: 07:45, Set: 19:47, Transit: 13:46. Moon - Rise: No Rise, Set: 20:42. Civil Dark: 20:15 - 07:18. Nautical Dark: 20:47 - 06:46. Astro Dark: 21:19 - 06:13

Total Clouds (% Sky Obscured)

0
0
0
1
2
3
11
19
25
47
63
76
65
57
44
46
53
62
75
87
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
3
5
5
5
6
8
10
21
36

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
1
3
3
4
6
5
7
12
21
21
20
20
12
5
3

High Clouds (% Sky Obscured)

0
0
0
0
0
0
3
7
9
27
46
61
52
41
30
36
47
52
69
84
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

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

19
20
21
22
22
22
22
21
21
20
19
18
17
17
17
17
17
17
17
17
17

Feels Like (°C)

15
16
17
17
23
22
21
22
23
23
19
19
18
18
18
18
18
18
18
19
18

Dew Point (°C)

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

Relative Humidity (%)

41
37
34
30
30
29
28
34
40
48
51
55
58
60
62
65
65
67
67
66
65

Pressure (mb)

1020
1020
1020
1019
1019
1019
1018
1018
1019
1019
1020
1020
1020
1021
1021
1021
1020
1020
1020
1020
1020

Ozone (du)

313
311
310
308
307
306
304
303
303
302
303
304
305
304
303
302
301
300
299
299
298

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

Generated: 18/09/25 10:36:47. Forecast: 18/09/25 to 24/09/25. Timezone: UTC+2.00