Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 19

Waxing Gibbous 61%

15:55

00:35

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

Sun - Rise: 07:50, Set: 18:14, Transit: 13:01. Moon - Rise: 15:55, Set: 00:35. Civil Dark: 18:48 - 07:16. Nautical Dark: 19:27 - 06:37. Astro Dark: 20:05 - 05:58

Total Clouds (% Sky Obscured)

83
83
77
61
25
31
35
7
24
33
30
19
52
29
79
100
100
100
100
97
100
100
98
100

Low Clouds (% Sky Obscured)

78
70
37
39
19
21
27
7
21
32
27
19
20
15
17
16
16
54
55
50
58
48
45
56

Medium Clouds (% Sky Obscured)

32
0
12
1
5
11
13
0
0
0
2
0
43
15
73
96
100
100
100
97
100
100
98
100

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
2
26
100
100
100
100
88
53
9
2
0

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

26
26
2
23
8
18
9
5
2
0
0
0
0
0
0
0
0
3
7
37
57
61
54
39

Precipitation Amount (mm)

0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.4
0.3
0

Wind Speed/Direction (mph)

8
12
13
15
17
16
14
13
10
8
8
7
6
6
6
6
5
4
4
4
4
4
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
77
71
62
58
58
58
58
63
68
72
74
77
79
85
85
85
82
78
75
78
84
88
91

Pressure (mb)

1024
1024
1023
1023
1022
1021
1021
1020
1020
1020
1020
1020
1019
1019
1018
1017
1016
1016
1015
1014
1013
1012
1011
1011

Ozone (du)

304
303
303
304
300
299
298
296
294
291
291
289
288
288
287
287
287
288
287
288
288
289
290
290

Tuesday 20

Waxing Gibbous 70%

16:11

01:50

10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 OK
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: 07:52, Set: 18:12, Transit: 13:01. Moon - Rise: 16:11, Set: 01:50. Civil Dark: 18:46 - 07:17. Nautical Dark: 19:25 - 06:39. Astro Dark: 20:03 - 06:00

Total Clouds (% Sky Obscured)

100
99
96
94
93
31
40
24
61
63
97
100
100
100
100
100
90
94
90
83
84
69
68
63

Low Clouds (% Sky Obscured)

78
81
68
64
67
31
40
23
34
18
21
23
73
90
95
78
65
85
79
78
82
69
68
63

Medium Clouds (% Sky Obscured)

100
54
93
92
75
0
0
0
31
12
45
100
100
100
100
100
34
13
36
9
0
3
63
63

High Clouds (% Sky Obscured)

0
0
2
0
0
0
0
0
35
63
97
100
100
6
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
7
9
9
9
9
7
5
3
9
9
3
4
4
4
3
3

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
Light Rain
Light Rain
Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

29
14
13
8
3
4
20
36
36
32
44
39
55
95
95
95
72
90
95
89
82
94
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
1
1.7
1
0.2
0.6
0.9
0.6
0.6
0.7
1.1
1.3

Wind Speed/Direction (mph)

4
3
2
1
2
3
4
5
6
6
7
9
11
12
13
15
16
13
26
24
24
25
26
25

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

6
8
9
10
11
10
11
12
10
7
8
8
6
6
6
6
5
8
2
1
1
0
-1
-0

Dew Point (°C)

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

Relative Humidity (%)

87
84
84
83
83
80
77
80
83
80
85
84
83
83
87
93
93
91
90
90
88
88
90
91

Pressure (mb)

1010
1010
1009
1008
1007
1007
1006
1005
1004
1004
1003
1002
1001
1000
999
997
995
996
998
998
999
1000
1000
1001

Ozone (du)

290
292
293
294
296
299
299
299
299
296
290
283
279
281
287
291
294
295
296
298
299
299
301
302

Wednesday 21

Waxing Gibbous 79%

16:25

03:06

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: 07:53, Set: 18:10, Transit: 13:01. Moon - Rise: 16:25, Set: 03:06. Civil Dark: 18:44 - 07:19. Nautical Dark: 19:23 - 06:40. Astro Dark: 20:02 - 06:02

Total Clouds (% Sky Obscured)

64
86
67
91
100
100
99
100
56
97
69
100
89
96
90
91
89
79
75
89
79
40
44
45

Low Clouds (% Sky Obscured)

64
66
67
77
83
82
81
86
56
77
50
87
80
88
76
81
74
67
60
46
23
23
28
27

Medium Clouds (% Sky Obscured)

64
86
67
86
100
100
82
20
21
21
33
19
82
92
90
91
74
79
51
0
16
23
21
19

High Clouds (% Sky Obscured)

0
0
28
60
63
33
4
17
4
20
25
25
0
0
0
0
0
49
47
55
41
3
3
3

ISS Passover

Visibility (miles)

2
2
3
5
9
9
9
9
9
9
7
6
5
9
9
8
5
4
6
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
Light Rain
Light Rain
Light Rain
None
None
Very Light Rain
None
None
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
None
None
None
None

Precipitation Probability (%)

95
95
95
92
70
55
53
55
60
79
86
95
86
90
88
95
95
76
56
50
39
28
26
21

Precipitation Amount (mm)

1.6
1.6
0.8
0.4
0
0
0.2
0
0
0.5
0.6
0.8
0.6
0.6
0.5
0.8
1
0.5
0.2
0.2
0
0
0
0

Wind Speed/Direction (mph)

27
28
28
28
26
25
23
21
19
16
14
14
14
13
13
13
12
10
8
7
7
7
8
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-1
-1
0
1
2
3
2
3
3
6
7
7
7
7
7
7
7
8
7
8
8
6
8
10

Dew Point (°C)

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

Relative Humidity (%)

93
93
91
88
83
73
66
66
66
66
73
80
84
81
83
84
81
84
81
81
80
81
80
78

Pressure (mb)

1003
1004
1004
1005
1006
1006
1007
1007
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1009
1009
1010
1010
1010

Ozone (du)

303
301
299
297
300
302
307
312
313
314
315
314
314
310
310
312
310
306
307
305
304
306
302
297

Thursday 22

Waxing Gibbous 87%

16:37

04:23

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: 07:55, Set: 18:08, Transit: 13:01. Moon - Rise: 16:37, Set: 04:23. Civil Dark: 18:42 - 07:21. Nautical Dark: 19:21 - 06:42. Astro Dark: 20:00 - 06:03

Total Clouds (% Sky Obscured)

95
98
98
98
99
100
100
100
100
100
100
82
88
52
86
100
100
100
100
100
50
46
84
77

Low Clouds (% Sky Obscured)

31
30
30
38
89
93
90
87
82
81
79
56
68
32
68
87
88
89
86
39
29
29
81
77

Medium Clouds (% Sky Obscured)

13
16
97
98
99
100
100
100
100
100
15
23
20
20
44
95
93
89
95
97
15
10
5
7

High Clouds (% Sky Obscured)

51
55
55
70
85
100
100
100
30
30
35
35
40
40
32
100
100
100
92
86
5
2
1
0

ISS Passover

Visibility (miles)

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

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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

19
20
24
50
69
88
95
95
95
95
95
87
95
95
95
95
95
95
95
88
86
67
65
54

Precipitation Amount (mm)

0
0
0
0.2
0.4
0.7
0.9
1.7
1.6
0.6
0.5
0.3
0.7
0.7
0.9
1.5
1.2
0.8
0.6
0.4
0.5
0.3
0.3
0.2

Wind Speed/Direction (mph)

8
9
11
11
12
12
13
15
19
21
23
26
24
28
28
31
32
33
34
30
30
31
28
28

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

12
12
9
10
9
9
8
7
7
6
5
5
7
5
5
2
-1
-1
-2
-1
-1
-2
-0
-0

Dew Point (°C)

8
7
7
8
9
10
11
11
11
11
11
11
12
12
11
11
10
10
9
7
5
3
3
3

Relative Humidity (%)

75
70
69
71
76
81
90
90
90
90
90
87
89
89
89
92
93
88
84
80
73
69
64
67

Pressure (mb)

1011
1010
1010
1010
1009
1007
1006
1005
1004
1002
1000
998
996
994
992
991
992
992
993
996
999
1002
1003
1005

Ozone (du)

294
293
292
291
290
291
291
293
296
298
302
308
314
318
315
310
309
309
312
316
322
332
337
337

Friday 23

Waxing Gibbous 94%

16:49

05:43

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: 07:57, Set: 18:06, Transit: 13:00. Moon - Rise: 16:49, Set: 05:43. Civil Dark: 18:40 - 07:22. Nautical Dark: 19:19 - 06:43. Astro Dark: 19:58 - 06:05

Total Clouds (% Sky Obscured)

84
92
87
100
98
100
96
93
88
87
80
51
77
93
83
82
74
61
60
69
78
86
93
100

Low Clouds (% Sky Obscured)

82
81
67
83
77
81
82
81
80
79
68
25
57
45
45
43
41
40
38
43
45
49
52
55

Medium Clouds (% Sky Obscured)

84
92
26
36
25
29
92
80
56
87
25
10
16
21
20
20
10
5
6
6
12
41
69
92

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
1
2
2
11
84
29
27
26
30
49
66
78
85
93
100

ISS Passover

Visibility (miles)

8
4
5
2
9
9
5
8
6
5
7
9
9
9
9
6
7
8
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
Very Light Rain
None
None
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
Very Light Rain
Very Light Rain
Light Rain

Precipitation Probability (%)

66
94
64
56
59
72
77
81
81
80
67
44
51
54
55
71
59
39
42
41
41
55
65
74

Precipitation Amount (mm)

0.3
0.8
0.3
0
0
0.3
0.4
0.5
0.4
0.5
0.3
0
0
0
0.3
0.3
0.2
0
0
0
0
0.2
0.3
0.4

Wind Speed/Direction (mph)

27
28
28
29
29
28
27
25
23
21
21
20
19
17
15
14
13
13
12
11
9
8
8
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

64
67
73
64
59
57
58
60
61
64
67
65
63
64
69
73
72
70
69
69
69
69
70
72

Pressure (mb)

1006
1007
1008
1009
1009
1010
1010
1011
1011
1012
1012
1013
1013
1014
1014
1014
1014
1014
1014
1014
1014
1013
1013
1012

Ozone (du)

336
337
336
336
337
338
340
342
344
342
340
336
333
332
330
327
323
320
316
314
313
312
309
306

Saturday 24

Waxing Gibbous 98%

17:02

06:06

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: 06:59, Set: 18:04, Transit: 13:00. Moon - Rise: 17:02, Set: 06:06. Civil Dark: 18:38 - 06:24. Nautical Dark: 19:17 - 05:45. Astro Dark: 19:56 - 05:06

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
98
97
95
95
96
96
93

Low Clouds (% Sky Obscured)

60
68
75
82
90
100
99
99
99
99
100
100
100
99
99
99
99
97
94
90
85
80
76
78

Medium Clouds (% Sky Obscured)

94
96
97
98
99
100
100
99
99
89
80
67
69
68
71
80
89
89
91
93
86
82
76
71

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
98
97
81
65
44
34
29
20
18

ISS Passover

Visibility (miles)

9
9
8
7
5
4
2
3
4
5
7
8
9
9
9
8
7
5
6
6
7
8
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
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
Very Light Rain
None
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None

Precipitation Probability (%)

85
94
95
95
95
95
95
95
95
95
95
79
61
53
42
87
95
88
75
59
49
47
44
45

Precipitation Amount (mm)

0.6
0.6
0.7
1
1.4
1.9
1.6
1.5
1.5
1.1
0.8
0.5
0.3
0.2
0
0.6
0.7
0.5
0.4
0.2
0
0
0
0

Wind Speed/Direction (mph)

8
11
14
16
16
17
18
18
18
18
16
15
15
16
17
19
20
22
23
24
25
25
25
26

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

5
6
5
6
9
10
10
9
9
9
10
10
10
11
11
13
13
13
13
13
13
11
10
9

Dew Point (°C)

6
7
7
8
10
11
12
13
13
14
14
14
15
15
15
15
15
16
15
15
16
15
15
14

Relative Humidity (%)

72
73
73
73
80
87
93
93
93
93
95
95
98
96
96
96
96
98
96
96
98
96
96
95

Pressure (mb)

1012
1010
1009
1008
1006
1004
1002
1001
1000
999
998
998
997
997
997
996
996
995
995
995
995
995
995
995

Ozone (du)

304
300
296
292
288
285
281
279
276
274
272
270
267
265
263
259
259
258
260
262
264
264
265
265

Sunday 25

Waxing Gibbous 100%

16:17

07:34

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

Sun - Rise: 07:00, Set: 17:02, Transit: 12:00. Moon - Rise: 16:17, Set: 07:34. Civil Dark: 17:36 - 06:26. Nautical Dark: 18:15 - 05:47. Astro Dark: 18:54 - 05:08

Total Clouds (% Sky Obscured)

92
90
89
88
87
82
77
72
73
79
73
75
78
76
69
64
63
69
78
80

Low Clouds (% Sky Obscured)

81
85
66
45
23
22
18
17
15
14
11
11
10
12
14
16
21
31
41
54

Medium Clouds (% Sky Obscured)

66
59
50
42
34
23
12
0
1
2
4
17
31
44
39
36
31
43
50
54

High Clouds (% Sky Obscured)

22
23
32
40
44
58
60
55
56
63
73
59
42
22
15
9
2
26
59
80

ISS Passover

Visibility (miles)

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

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
Light Rain
Light Rain

Precipitation Probability (%)

44
41
31
21
14
13
11
8
7
6
2
3
2
0
1
2
3
46
72
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.6

Wind Speed/Direction (mph)

25
24
25
24
24
23
22
20
19
17
16
15
13
12
11
10
8
7
6
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

10
10
11
6
6
5
5
5
4
4
4
4
4
4
4
4
4
4
4
4

Dew Point (°C)

12
10
7
7
7
6
5
5
5
5
5
5
5
4
4
4
4
4
4
4

Relative Humidity (%)

87
78
69
69
67
65
65
65
66
67
69
69
69
68
68
68
69
69
69
69

Pressure (mb)

997
998
999
1001
1002
1003
1004
1005
1006
1007
1008
1009
1009
1009
1010
1010
1009
1009
1009
1008

Ozone (du)

265
265
265
266
266
266
266
265
265
266
267
269
269
270
270
270
269
268
268
267

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

Generated: 19/10/26 10:44:13. Forecast: 19/10/26 to 25/10/26. Timezone: UTC+1.00