Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 5

Waning Crescent 20%

01:56

16:55

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
07 Bad
08 Bad
09 Bad

Sun - Rise: 07:26, Set: 18:44, Transit: 13:04. Moon - Rise: 01:56, Set: 16:55. Civil Dark: 19:18 - 06:53. Nautical Dark: 19:56 - 06:14. Astro Dark: 20:36 - 05:35

Total Clouds (% Sky Obscured)

85
86
97
94
98
100
93
97
93
95
92
54
49
47
60
78
89
91
91
89
93
94
75
59

Low Clouds (% Sky Obscured)

63
86
90
91
97
100
90
95
90
95
90
48
46
42
52
69
80
83
86
82
88
64
44
42

Medium Clouds (% Sky Obscured)

11
23
14
19
17
13
12
11
5
0
2
15
15
9
10
10
13
14
14
12
13
13
14
13

High Clouds (% Sky Obscured)

29
20
2
2
2
3
5
2
2
2
3
3
1
0
4
4
6
5
4
6
33
45
32
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
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
5
4
4
6
8
10
8
8
14
16
18
13
12
14
21
16
20
15
14
16
21

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)

11
11
13
13
12
12
11
10
10
9
8
7
7
6
5
4
3
3
3
3
3
3
3
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

15
16
15
16
16
15
15
16
16
16
15
15
15
16
16
16
16
16
16
16
16
15
15
16

Dew Point (°C)

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

Relative Humidity (%)

89
88
88
89
88
89
89
90
92
95
95
95
95
95
96
96
96
93
92
92
92
89
87
87

Pressure (mb)

1025
1025
1025
1025
1024
1024
1023
1023
1023
1023
1023
1023
1022
1022
1022
1021
1021
1021
1020
1020
1020
1020
1020
1019

Ozone (du)

268
268
268
269
269
269
269
269
270
271
272
273
273
274
275
276
276
277
277
277
278
280
283
285

Tuesday 6

Waning Crescent 20%

03:22

17:13

10 Bad
11 Bad
12 OK
13 Bad
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

Sun - Rise: 07:28, Set: 18:42, Transit: 13:04. Moon - Rise: 03:22, Set: 17:13. Civil Dark: 19:15 - 06:54. Nautical Dark: 19:54 - 06:16. Astro Dark: 20:34 - 05:36

Total Clouds (% Sky Obscured)

52
50
36
48
28
52
65
84
100
100
100
100
100
100
99
100
100
100
100
100
100
100
73
64

Low Clouds (% Sky Obscured)

39
41
36
43
28
24
19
20
37
20
22
28
32
36
37
47
63
69
69
90
95
72
67
64

Medium Clouds (% Sky Obscured)

14
14
0
18
3
25
40
47
50
50
49
94
90
57
97
99
100
100
100
100
95
98
73
64

High Clouds (% Sky Obscured)

3
0
0
0
0
27
9
77
100
100
100
99
100
100
85
60
94
100
100
100
100
100
55
55

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
2
3
1
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 (%)

23
14
13
9
8
5
6
8
9
10
5
3
6
8
10
10
15
18
17
21
36
35
23
5

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
5
6
6
6
6
5
5
4
3
4
5
5
6
6
7
9
10
12
14
16
17
18
19

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

17
17
18
19
20
19
20
19
18
16
15
14
13
13
13
12
11
11
10
10
8
8
6
5

Dew Point (°C)

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

Relative Humidity (%)

87
86
85
81
80
81
82
83
87
89
89
89
90
92
90
92
93
95
92
92
92
92
90
87

Pressure (mb)

1019
1019
1019
1019
1018
1018
1017
1017
1017
1017
1017
1017
1017
1017
1017
1016
1016
1016
1016
1016
1016
1016
1017
1017

Ozone (du)

285
287
290
293
294
297
299
299
300
300
300
300
299
299
299
299
299
298
296
292
288
294
300
303

Wednesday 7

Waning Crescent 12%

04:44

17:27

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

Sun - Rise: 07:29, Set: 18:40, Transit: 13:04. Moon - Rise: 04:44, Set: 17:27. Civil Dark: 19:13 - 06:56. Nautical Dark: 19:52 - 06:17. Astro Dark: 20:31 - 05:38

Total Clouds (% Sky Obscured)

77
73
73
59
22
23
27
15
21
15
22
35
43
19
17
55
43
28
59
67
72
79
87
94

Low Clouds (% Sky Obscured)

77
73
73
56
22
23
27
15
13
15
22
29
30
19
17
5
2
10
15
18
13
16
22
26

Medium Clouds (% Sky Obscured)

58
52
0
0
0
0
0
0
7
0
0
7
7
0
0
0
0
0
0
0
0
7
11
14

High Clouds (% Sky Obscured)

60
55
6
8
0
0
0
0
0
0
0
0
1
4
0
55
43
19
45
56
60
59
58
57

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 (%)

28
23
11
2
2
1
1
2
8
8
11
23
27
16
9
6
4
5
6
17
8
3
7
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)

18
18
19
20
21
20
19
18
16
13
10
10
13
13
12
11
11
11
11
10
10
10
10
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

7
8
7
7
8
8
8
8
7
7
8
8
6
6
6
6
5
6
5
4
5
5
6
7

Dew Point (°C)

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

Relative Humidity (%)

86
79
68
60
59
61
65
66
67
69
72
73
72
72
72
63
69
73
72
70
70
68
67
67

Pressure (mb)

1018
1018
1018
1018
1018
1018
1019
1019
1019
1020
1020
1021
1021
1022
1022
1022
1023
1023
1023
1023
1024
1024
1025
1025

Ozone (du)

306
308
308
311
316
320
321
318
315
312
310
310
310
310
308
307
303
301
301
299
296
294
291
289

Thursday 8

Waning Crescent 6%

06:03

17:39

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
07 Bad
08 Bad
09 Bad

Sun - Rise: 07:31, Set: 18:38, Transit: 13:04. Moon - Rise: 06:03, Set: 17:39. Civil Dark: 19:11 - 06:58. Nautical Dark: 19:50 - 06:19. Astro Dark: 20:29 - 05:40

Total Clouds (% Sky Obscured)

54
52
98
94
99
99
99
100
100
100
100
100
100
100
100
100
99
99
99
100
100
100
99
99

Low Clouds (% Sky Obscured)

29
28
31
29
29
26
75
92
100
100
100
100
98
97
94
95
95
96
91
88
85
89
72
98

Medium Clouds (% Sky Obscured)

12
13
37
87
23
30
99
99
99
99
99
98
96
93
91
52
22
23
94
18
19
19
85
67

High Clouds (% Sky Obscured)

27
36
97
44
91
89
89
90
88
91
92
96
96
98
78
94
30
88
89
91
87
80
70
25

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
4
3
2
3
2
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
Very Light Rain
None
None
None

Precipitation Probability (%)

4
2
1
2
2
4
18
32
58
81
95
95
95
95
95
32
27
26
25
40
46
32
37
43

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.3
0.5
1.2
1.2
1.8
1.4
0.6
0
0
0
0
0
0.2
0
0
0

Wind Speed/Direction (mph)

10
11
11
11
11
11
11
9
8
7
9
14
16
17
17
18
17
17
17
19
19
20
20
21

Chance of Frost

Temperature (°C)

12
12
13
13
13
13
13
13
12
12
12
12
13
13
14
15
15
15
15
15
15
15
15
15

Feels Like (°C)

8
9
10
9
9
9
10
9
9
9
9
8
8
9
10
11
11
12
11
11
11
11
11
11

Dew Point (°C)

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

Relative Humidity (%)

65
60
55
52
54
58
62
69
75
83
89
93
93
93
96
96
95
95
90
92
92
92
92
93

Pressure (mb)

1026
1026
1026
1026
1026
1026
1026
1025
1025
1024
1024
1023
1023
1022
1021
1020
1020
1019
1019
1018
1018
1018
1017
1017

Ozone (du)

286
284
283
280
278
277
275
274
273
271
270
270
269
268
267
266
265
263
261
262
263
265
267
268

Friday 9

Waning Crescent 2%

07:22

17:51

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 OK
23 OK
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad

Sun - Rise: 07:33, Set: 18:36, Transit: 13:03. Moon - Rise: 07:22, Set: 17:51. Civil Dark: 19:09 - 06:59. Nautical Dark: 19:48 - 06:21. Astro Dark: 20:27 - 05:42

Total Clouds (% Sky Obscured)

99
99
99
91
84
77
73
24
58
56
56
39
16
16
32
37
49
69
80
80
80
79
77
76

Low Clouds (% Sky Obscured)

98
98
97
91
84
77
73
18
58
56
56
39
11
9
32
37
49
69
77
74
75
75
74
74

Medium Clouds (% Sky Obscured)

99
99
99
65
12
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

70
65
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
2
3
4

ISS Passover

Visibility (miles)

9
4
6
2
7
8
4
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

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

Precipitation Probability (%)

64
94
95
80
67
70
51
26
19
7
9
4
21
7
17
16
16
16
17
14
7
13
13
8

Precipitation Amount (mm)

0.3
0.7
1
0.6
0.3
0.5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

21
21
21
19
19
18
15
14
14
13
12
11
11
12
12
12
12
13
13
13
12
12
13
15

Chance of Frost

Temperature (°C)

15
16
16
16
16
16
15
14
13
12
12
11
11
10
10
10
10
11
11
11
11
11
12
12

Feels Like (°C)

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

Dew Point (°C)

15
15
15
15
15
15
13
11
10
10
9
8
8
8
7
6
6
5
4
4
3
3
4
5

Relative Humidity (%)

95
95
96
95
93
92
83
80
80
83
83
83
84
85
81
74
72
68
64
63
60
58
59
60

Pressure (mb)

1017
1017
1017
1016
1016
1016
1016
1016
1016
1017
1017
1018
1018
1018
1019
1019
1019
1019
1019
1019
1019
1019
1020
1020

Ozone (du)

269
272
275
275
276
278
279
280
281
282
286
288
291
293
296
297
298
298
299
298
298
298
298
299

Saturday 10

New Moon 0%

08:40

18:04

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
07 Bad
08 Bad
09 Bad

Sun - Rise: 07:34, Set: 18:33, Transit: 13:03. Moon - Rise: 08:40, Set: 18:04. Civil Dark: 19:07 - 07:01. Nautical Dark: 19:45 - 06:22. Astro Dark: 20:24 - 05:43

Total Clouds (% Sky Obscured)

84
92
100
95
90
86
79
73
69
75
81
86
86
86
87
91
96
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

82
89
97
91
83
75
66
58
49
55
61
67
47
27
8
10
13
19
29
38
45
57
69
81

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
13
26
39
37
32
25
34
39
48
37
28
23
26
31
39
43
42
43

High Clouds (% Sky Obscured)

12
16
21
27
33
43
46
68
69
62
43
25
47
67
87
91
95
100
100
100
100
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
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
16
17
17
17
17
20
22
24
25
26
26
23
19
13
13
11
6
10
12
13
14
14
15

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)

16
16
17
18
18
18
18
16
15
13
12
11
10
9
8
7
6
6
5
4
4
3
3
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

8
7
7
7
9
9
8
9
9
9
7
8
9
9
8
8
7
7
7
7
7
8
8
9

Dew Point (°C)

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

Relative Humidity (%)

60
59
57
56
59
64
69
71
76
79
80
80
83
84
84
85
84
83
83
83
83
84
81
80

Pressure (mb)

1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1019
1019
1019
1019
1019
1019
1019

Ozone (du)

299
299
299
299
299
299
299
299
299
299
299
300
300
298
297
296
295
294
293
293
292
291
291
291

Sunday 11

Waxing Crescent 1%

09:58

18:18

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: 07:36, Set: 18:31, Transit: 13:03. Moon - Rise: 09:58, Set: 18:18. Civil Dark: 19:05 - 07:03. Nautical Dark: 19:43 - 06:24. Astro Dark: 20:22 - 05:45

Total Clouds (% Sky Obscured)

100
100
99
99
99
99
94
90
86
85
82
66
76
88
96
89
83
78
80
84
84

Low Clouds (% Sky Obscured)

86
92
98
88
79
69
57
42
28
33
38
39
55
69
86
73
59
49
53
57
63

Medium Clouds (% Sky Obscured)

63
79
95
96
97
98
89
79
70
49
29
9
32
56
79
57
38
17
22
23
20

High Clouds (% Sky Obscured)

77
57
35
42
50
55
54
36
18
11
5
0
22
47
71
73
68
63
72
84
84

ISS Passover

Visibility (miles)

9
9
9
8
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 (%)

17
20
25
26
26
26
24
26
31
31
30
27
23
20
17
14
10
7
20
20
17

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

Chance of Frost

Temperature (°C)

13
13
14
14
14
14
15
14
13
13
12
12
12
12
12
12
12
12
12
13
13

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

77
75
72
70
73
74
75
78
80
83
84
86
86
86
87
89
90
90
92
90
90

Pressure (mb)

1019
1019
1019
1019
1018
1018
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017

Ozone (du)

291
290
288
287
287
287
288
286
284
282
280
278
275
275
274
273
273
273
272
272
273

Forecast for Llanrhidian, City and County of Swansea, United Kingdom (51.61,-4.17)

Generated: 05/10/26 10:41:09. Forecast: 05/10/26 to 11/10/26. Timezone: UTC+1.00