Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 20

Waning Gibbous 62%

02:03

08:29

18 Good
19 Good
20 Good
21 OK
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

Sun - Rise: 06:12, Set: 18:28, Transit: 12:21. Moon - Rise: 02:03, Set: 08:29. Civil Dark: 19:02 - 05:38. Nautical Dark: 19:42 - 04:58. Astro Dark: 20:24 - 04:16

Total Clouds (% Sky Obscured)

9
4
4
14
100
100
100
100
100
100
100
100
100
100
100
97
100
100
100
100
100
100
100
99

Low Clouds (% Sky Obscured)

0
0
0
0
25
10
0
0
0
5
18
22
31
35
35
41
53
90
93
93
78
58
71
92

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
18
46
100
100
96
84
100
100
90
57
78
98
87
41
81
84
49
88

High Clouds (% Sky Obscured)

8
2
4
14
100
100
100
100
100
100
100
100
86
41
63
78
100
100
93
100
100
100
100
85

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
5
5
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
3
2
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
6
7
25
29
23
27
41
19
3
2
1
2
1
27
20
8
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
0
0
0

Wind Speed/Direction (mph)

9
9
9
9
10
9
9
9
8
8
8
7
8
8
9
11
16
17
18
20
19
18
17
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

11
9
8
6
5
5
5
4
5
5
4
4
4
4
5
4
4
4
5
6
7
7
8
7

Dew Point (°C)

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

Relative Humidity (%)

87
91
95
93
90
91
93
93
94
95
93
93
94
94
90
82
84
82
80
76
77
80
84
86

Pressure (mb)

1014
1014
1014
1014
1014
1013
1012
1011
1011
1010
1009
1009
1008
1008
1007
1007
1006
1004
1003
1002
1002
1001
1000
999

Ozone (du)

321
321
320
321
323
324
327
328
332
335
338
340
341
345
346
346
349
352
354
355
357
355
354
352

Friday 21

Waning Gibbous 52%

03:06

09:17

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

Sun - Rise: 06:10, Set: 18:30, Transit: 12:21. Moon - Rise: 03:06, Set: 09:17. Civil Dark: 19:04 - 05:36. Nautical Dark: 19:44 - 04:56. Astro Dark: 20:26 - 04:13

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
99
93
69
95
98
98
100
88
93
92
99
96
87

Low Clouds (% Sky Obscured)

89
81
54
74
76
79
90
92
78
90
77
71
53
47
84
96
85
72
69
87
73
79
65
64

Medium Clouds (% Sky Obscured)

100
100
100
98
96
93
100
100
100
100
11
0
0
0
0
4
18
67
55
41
59
78
68
40

High Clouds (% Sky Obscured)

58
100
100
100
100
100
100
100
100
100
90
70
78
60
86
86
92
53
32
35
35
40
85
30

ISS Passover

Visibility (miles)

9
9
9
8
9
6
0
9
0
0
6
9
9
9
9
9
9
8
9
9
8
9
9
9

Fog (%)

0
0
0
0
0
45
81
77
81
100
100
80
82
77
85
87
1
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

14
59
66
57
57
41
25
16
28
23
11
5
4
0
1
6
20
26
42
73
87
83
91
70

Precipitation Amount (mm)

0
0.3
0.3
0
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.6
0.8
0.4
0.7
0.4

Wind Speed/Direction (mph)

14
12
12
10
8
8
8
7
6
6
7
6
7
7
7
10
10
10
10
8
9
7
6
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
90
91
96
96
96
98
96
98
96
93
93
93
91
88
87
88
85
77
83
75
77
78
82

Pressure (mb)

1000
1000
999
999
999
999
998
998
998
997
998
998
998
998
999
999
999
999
999
999
999
999
999
999

Ozone (du)

345
345
343
339
339
339
341
340
339
336
333
332
327
325
323
322
323
326
324
324
324
324
326
326

Saturday 22

Third Quarter 42%

03:55

10:21

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

Sun - Rise: 06:08, Set: 18:32, Transit: 12:21. Moon - Rise: 03:55, Set: 10:21. Civil Dark: 19:06 - 05:34. Nautical Dark: 19:46 - 04:53. Astro Dark: 20:29 - 04:11

Total Clouds (% Sky Obscured)

96
94
89
82
78
74
62
59
54
53
63
71
64
75
86
76
72
69
80
82
86
87
89
71

Low Clouds (% Sky Obscured)

68
75
89
82
78
74
62
59
54
53
63
71
64
75
86
76
72
66
68
70
73
76
81
71

Medium Clouds (% Sky Obscured)

73
79
72
70
51
49
62
59
46
31
37
36
16
13
0
2
2
3
5
5
5
4
30
20

High Clouds (% Sky Obscured)

52
46
2
7
28
16
3
3
0
3
11
19
6
3
2
1
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

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

Fog (%)

0
0
0
0
0
1
2
34
68
87
91
100
99
99
99
99
99
99
99
99
99
99
99
99

Precipitation Type

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

Precipitation Probability (%)

28
16
15
23
34
35
21
28
24
15
7
2
0
0
0
0
23
46
60
68
61
51
51
35

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.4
0.7
0.6
0.4
0.4
0.2

Wind Speed/Direction (mph)

6
4
4
4
4
4
5
6
7
7
7
7
6
5
6
8
9
10
10
10
11
11
11
10

Chance of Frost

Temperature (°C)

9
8
7
7
6
6
5
5
4
4
4
4
4
5
6
8
9
10
11
11
11
11
10
10

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
93
93
94
94
94
96
96
96
96
94
96
98
96
94
90
82
78
76
73
73
78
83
84

Pressure (mb)

1000
1000
1001
1001
1002
1002
1002
1002
1003
1003
1003
1003
1004
1004
1005
1005
1006
1006
1006
1006
1007
1007
1008
1009

Ozone (du)

328
333
335
335
336
335
334
334
334
334
332
331
331
330
330
329
330
330
329
329
330
333
334
333

Sunday 23

Waning Crescent 31%

04:31

11:40

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

Sun - Rise: 06:05, Set: 18:34, Transit: 12:20. Moon - Rise: 04:31, Set: 11:40. Civil Dark: 19:08 - 05:31. Nautical Dark: 19:48 - 04:51. Astro Dark: 20:31 - 04:08

Total Clouds (% Sky Obscured)

81
77
83
87
91
95
96
97
98
96
93
91
81
75
70
67
74
81
77
77
72
72
86
100

Low Clouds (% Sky Obscured)

81
77
81
74
66
55
63
72
82
73
63
53
36
18
0
18
36
54
48
42
35
24
16
5

Medium Clouds (% Sky Obscured)

0
0
0
0
1
3
1
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
1
2
2
22
37
56

ISS Passover

Visibility (miles)

7
9
9
9
9
9
9
9
9
9
9
5
0
0
5
5
9
9
9
9
9
9
9
9

Fog (%)

99
99
99
99
99
99
99
99
99
99
99
99
99
99
99
99
99
99
99
99
99
99
99
99

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 (%)

21
4
2
1
0
0
0
1
10
10
5
10
4
13
4
9
15
14
8
8
12
6
16
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

7
6
6
6
6
5
5
5
5
5
5
5
5
6
6
6
7
7
7
7
7
6
5
5

Relative Humidity (%)

91
93
94
96
98
96
96
96
96
96
96
98
98
98
96
94
93
93
93
91
90
85
80
81

Pressure (mb)

1010
1011
1012
1012
1013
1013
1014
1014
1014
1015
1015
1016
1016
1017
1017
1018
1018
1018
1018
1018
1018
1018
1018
1018

Ozone (du)

329
325
324
323
320
317
313
309
304
303
304
304
306
305
300
293
288
287
287
287
287
287
284
280

Monday 24

Waning Crescent 22%

04:56

13:06

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

Sun - Rise: 06:03, Set: 18:35, Transit: 12:20. Moon - Rise: 04:56, Set: 13:06. Civil Dark: 19:09 - 05:29. Nautical Dark: 19:50 - 04:48. Astro Dark: 20:33 - 04:05

Total Clouds (% Sky Obscured)

100
100
100
89
88
95
94
99
100
100
100
100
100
99
99
98
97
95
91
87
84
77
72
65

Low Clouds (% Sky Obscured)

5
5
0
9
19
28
52
76
100
100
100
100
24
49
73
79
85
91
88
86
83
76
69
62

Medium Clouds (% Sky Obscured)

10
20
30
37
32
23
30
41
50
48
44
79
99
98
98
95
91
83
59
36
10
7
4
0

High Clouds (% Sky Obscured)

55
62
63
84
77
77
56
30
1
19
24
32
92
74
51
36
24
15
12
14
12
9
5
0

ISS Passover

Visibility (miles)

9
9
2
0
0
0
0
0
0
2
7
9
9
6
3
0
0
0
0
0
0
0
0
0

Fog (%)

99
99
99
99
99
99
99
99
99
99
99
99
99
99
99
99
99
99
99
99
99
99
99
99

Precipitation Type

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

Precipitation Probability (%)

10
7
10
2
2
0
11
15
24
44
53
49
23
34
43
49
49
39
34
27
18
20
18
7

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
94
96
96
96
100
98
98
98
98
96
98
96
96
98
98
98
96
96
98
98
100
98
98

Pressure (mb)

1019
1019
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1021
1021
1020
1020
1020
1020
1020
1020
1020

Ozone (du)

273
268
264
255
251
249
246
244
243
242
242
243
243
244
245
245
249
253
256
262
267
272
274
276

Tuesday 25

Waning Crescent 13%

05:14

14:36

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

Sun - Rise: 06:01, Set: 18:37, Transit: 12:20. Moon - Rise: 05:14, Set: 14:36. Civil Dark: 19:11 - 05:26. Nautical Dark: 19:52 - 04:46. Astro Dark: 20:35 - 04:02

Total Clouds (% Sky Obscured)

68
70
71
62
56
45
39
35
45
74
86
95
85
76
69
75
81
86
83
80
82
76
69
59

Low Clouds (% Sky Obscured)

65
69
71
62
56
45
39
35
42
41
46
45
37
30
32
46
60
73
62
51
35
43
57
59

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
11
31
47
41
29
18
19
21
18
17
12
6

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
1
6
17
25
27
34
37
30
21
15
32
49
63
56
49
41

ISS Passover

Visibility (miles)

0
3
6
8
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

99
99
99
99
99
99
99
99
99
99
99
99
99
99
99
99
99
99
99
99
99
99
99
99

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 (%)

11
8
1
3
3
1
6
5
0
0
0
0
0
0
0
3
5
7
7
6
3
10
14
16

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)

8
6
5
4
4
4
3
3
2
2
2
1
1
2
3
4
5
7
8
8
8
9
8
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
96
98
98
96
94
93
91
93
93
89
89
89
86
83
81
79
77
77
78
81
82
87
91

Pressure (mb)

1020
1021
1021
1021
1021
1021
1021
1021
1021
1020
1020
1020
1020
1019
1019
1019
1019
1018
1018
1017
1017
1016
1016
1015

Ozone (du)

278
281
285
288
287
286
285
288
290
292
298
304
309
312
315
318
318
318
318
319
320
321
320
319

Wednesday 26

Waning Crescent 6%

05:29

16:06

18 Bad
19 OK
20 OK
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

Sun - Rise: 05:58, Set: 18:39, Transit: 12:19. Moon - Rise: 05:29, Set: 16:06. Civil Dark: 19:13 - 05:24. Nautical Dark: 19:54 - 04:43. Astro Dark: 20:37 - 03:59

Total Clouds (% Sky Obscured)

45
30
20
30
55
55
55
30
45
15
15
16
10
5
0
10
21
31

Low Clouds (% Sky Obscured)

45
30
16
22
23
29
31
30
45
15
15
16
10
5
0
10
21
31

Medium Clouds (% Sky Obscured)

19
30
20
30
54
55
55
30
45
15
15
16
10
5
0
10
21
25

High Clouds (% Sky Obscured)

35
26
15
15
15
10
10
10
10
15
15
15
10
5
0
10
21
30

ISS Passover

Visibility (miles)

9
9
9
9
8
6
5
3
2
0
0
0
0
0
0
0
0
0

Fog (%)

99
99
99
99
99
99
99
99
99
99
99
99
99
99
99
99
99
99

Precipitation Type

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

Precipitation Probability (%)

18
18
19
25
30
41
49
62
76
81
93
95
95
95
95
95
82
61

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.3
0.4
0.4
0.6
0.8
0.8
0.8
0.9
0.8
0.5
0.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

4
1
1
2
2
1
1
1
0
-1
-1
-1
-1
-1
-0
1
1
1

Dew Point (°C)

5
4
4
3
3
3
3
4
3
3
3
3
3
3
4
4
4
5

Relative Humidity (%)

94
94
94
94
94
96
96
96
96
96
98
96
96
96
98
98
96
96

Pressure (mb)

1015
1015
1014
1014
1013
1013
1012
1011
1010
1009
1008
1007
1006
1005
1005
1005
1005
1005

Ozone (du)

318
321
324
326
329
332
335
338
342
345
348
350
353
355
358
361
362
363

Forecast for Abergwesyn, Powys, United Kingdom (52.27,-3.69)

Generated: 20/03/25 18:36:35. Forecast: 20/03/25 to 26/03/25. Timezone: UTC+0.00