Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 7

Waning Gibbous 52%

01:37

13:08

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 OK
14 OK
15 OK
16 OK
17 Bad
18 Bad
19 Bad

Sun - Rise: 04:54, Set: 21:35, Transit: 13:15. Moon - Rise: 01:37, Set: 13:08. Civil Dark: 22:23 - 04:06. Nautical Dark: 23:41 - 02:48. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
100
100
100
100
99
100
100
100
100
100
81
50
48
31
32
31
13
22
30
28
48
71
92

Low Clouds (% Sky Obscured)

73
72
69
67
59
54
98
100
79
71
69
66
50
48
31
32
31
13
22
30
18
37
37
48

Medium Clouds (% Sky Obscured)

100
100
99
100
100
98
100
100
100
85
100
0
0
0
0
0
15
0
0
17
17
18
20
30

High Clouds (% Sky Obscured)

100
100
63
2
0
4
100
55
100
60
100
0
0
0
0
0
0
0
0
0
0
1
9
47

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

78
77
81
95
85
95
95
95
95
95
61
34
28
45
49
38
27
12
13
15
15
28
45
47

Precipitation Amount (mm)

0.5
0.5
0.5
0.8
0.4
0.5
1.5
5.1
1.8
0.7
0.2
0
0
0.2
0.3
0
0
0
0
0
0
0
0.2
0.3

Wind Speed/Direction (mph)

19
18
18
17
16
17
17
15
12
8
8
11
12
13
12
12
13
13
13
13
16
17
18
18

Chance of Frost

Temperature (°C)

12
12
12
13
13
13
13
12
11
11
11
11
11
12
12
12
12
12
12
13
13
13
12
12

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
93
93
93
93
93
92
95
96
98
93
91
87
83
81
81
79
77
75
71
74
71
76
81

Pressure (mb)

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

Ozone (du)

370
372
374
375
373
375
377
382
389
398
397
405
408
413
417
418
415
414
413
413
409
408
407
406

Monday 8

Third Quarter 41%

01:48

14:27

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: 04:54, Set: 21:36, Transit: 13:15. Moon - Rise: 01:48, Set: 14:27. Civil Dark: 22:24 - 04:05. Nautical Dark: 23:42 - 02:47. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

85
85
84
83
84
100
99
76
66
68
54
67
74
63
69
66
55
72
68
69
74
69
69
77

Low Clouds (% Sky Obscured)

63
59
68
74
77
74
75
76
66
68
54
67
59
48
52
48
33
42
56
52
57
64
69
76

Medium Clouds (% Sky Obscured)

23
43
40
28
33
100
88
52
30
31
2
2
26
23
27
24
23
34
27
29
37
59
67
77

High Clouds (% Sky Obscured)

24
25
0
0
2
8
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

54
62
72
83
95
95
95
87
84
75
48
48
61
56
58
57
54
71
79
80
81
95
95
95

Precipitation Amount (mm)

0.3
0.5
0.6
0.9
1.2
1.2
1.3
1
1.1
0.9
0.3
0.3
0.4
0.3
0.3
0.3
0.2
0.6
0.6
0.6
0.6
1
1.1
1.2

Wind Speed/Direction (mph)

18
18
19
19
19
18
18
18
16
16
17
17
17
18
20
20
20
21
21
21
21
20
18
17

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
85
85
87
87
85
87
87
85
87
85
84
85
84
81
79
77
75
76
76
77
76
81
83

Pressure (mb)

1014
1014
1014
1014
1014
1013
1013
1013
1013
1013
1013
1013
1014
1014
1014
1014
1014
1014
1015
1015
1015
1015
1014
1015

Ozone (du)

405
405
406
407
408
409
414
414
415
415
413
415
416
417
417
418
420
419
419
414
408
406
402
400

Tuesday 9

Waning Crescent 30%

01:59

15:50

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: 04:54, Set: 21:36, Transit: 13:15. Moon - Rise: 01:59, Set: 15:50. Civil Dark: 22:25 - 04:05. Nautical Dark: 23:44 - 02:45. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

70
100
100
100
100
94
80
63
37
94
57
53
23
50
98
53
44
95
99
94
99
64
96
99

Low Clouds (% Sky Obscured)

68
61
73
77
88
79
57
55
37
84
57
53
23
50
69
51
44
41
46
33
43
42
60
57

Medium Clouds (% Sky Obscured)

70
100
100
100
100
74
67
63
37
32
29
9
22
3
3
4
10
18
69
87
81
64
45
66

High Clouds (% Sky Obscured)

32
38
26
2
3
3
36
30
3
3
2
4
4
3
11
35
9
52
75
94
90
64
95
96

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

95
95
95
94
89
80
67
64
69
73
80
64
48
49
47
53
51
49
46
48
46
56
60
56

Precipitation Amount (mm)

1.3
1.2
1.2
1.3
1.2
1
0.6
0.7
0.8
0.8
1.1
0.6
0.2
0.2
0
0.2
0.2
0.2
0.2
0.2
0
0.2
0.3
0.3

Wind Speed/Direction (mph)

16
14
12
11
11
10
10
9
8
7
6
9
8
10
12
12
12
12
12
13
14
15
16
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
86
87
87
87
85
87
87
87
90
90
87
87
85
81
81
77
80
77
80
77
77
84
86

Pressure (mb)

1015
1015
1015
1015
1015
1015
1015
1015
1015
1016
1016
1016
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1016
1016

Ozone (du)

401
401
403
404
406
409
412
413
415
415
416
416
415
416
415
414
412
410
411
413
415
415
405
400

Wednesday 10

Waning Crescent 20%

02:12

17:19

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: 04:53, Set: 21:37, Transit: 13:16. Moon - Rise: 02:12, Set: 17:19. Civil Dark: 22:26 - 04:04. Nautical Dark: 23:45 - 02:44. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

99
85
97
89
100
100
100
100
100
88
95
100
100
100
100
100
100
100
61
69
96
92
80
99

Low Clouds (% Sky Obscured)

47
46
48
59
44
51
61
70
78
81
83
75
67
55
49
50
46
44
44
41
47
50
48
55

Medium Clouds (% Sky Obscured)

57
54
58
53
50
55
77
70
76
79
95
99
99
98
98
98
98
99
54
41
87
83
35
27

High Clouds (% Sky Obscured)

99
82
96
80
100
100
100
100
85
57
47
55
63
64
53
40
34
8
14
24
45
24
45
64

ISS Passover

Visibility (miles)

4
7
6
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

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

Precipitation Probability (%)

54
65
65
65
70
83
95
95
95
95
95
82
63
50
43
37
46
46
49
54
50
51
54
64

Precipitation Amount (mm)

0.2
0.3
0.3
0.3
0.4
0.5
0.9
1.4
1.1
0.9
0.6
0.4
0.3
0.3
0
0
0.2
0
0.2
0.3
0
0.2
0.3
0.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
86
87
87
85
85
87
87
88
88
88
87
84
83
82
78
76
75
74
75
78
78
79
80

Pressure (mb)

1016
1016
1016
1016
1016
1015
1014
1014
1013
1012
1011
1011
1011
1011
1012
1012
1012
1012
1011
1011
1012
1012
1012
1012

Ozone (du)

397
394
391
388
385
383
381
379
377
379
380
375
373
370
367
366
366
363
360
356
352
350
348
345

Thursday 11

Waning Crescent 11%

02:28

18:52

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: 04:53, Set: 21:38, Transit: 13:16. Moon - Rise: 02:28, Set: 18:52. Civil Dark: 22:27 - 04:04. Nautical Dark: 23:47 - 02:43. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
100
95
100
100
100
100
100
100
100
100
80
74
73
80
88
94
91
93
93
95
97
99
91

Low Clouds (% Sky Obscured)

88
100
92
91
86
89
93
96
94
92
90
68
68
65
53
43
33
38
40
43
39
41
39
46

Medium Clouds (% Sky Obscured)

87
25
33
35
40
49
52
56
54
48
49
18
16
15
12
8
5
12
18
30
21
10
0
1

High Clouds (% Sky Obscured)

60
28
16
20
15
10
10
10
14
10
20
69
62
49
50
69
92
67
44
25
38
47
51
36

ISS Passover

Visibility (miles)

9
9
9
9
9
9
3
0
0
6
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
Very Light Rain
Light Rain
Light Rain
None
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

69
69
79
95
75
67
59
50
38
28
24
22
16
15
11
7
7
6
7
12
6
2
3
2

Precipitation Amount (mm)

0.3
0.2
0.4
0.9
0
0.2
0.2
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

20
21
20
20
21
21
22
21
19
20
19
20
17
17
17
16
14
14
12
10
10
10
9
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

14
13
13
12
13
13
12
12
12
12
12
12
12
12
12
12
13
12
14
14
14
14
14
14

Dew Point (°C)

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

Relative Humidity (%)

83
87
89
90
90
95
96
98
98
98
95
92
89
86
82
78
75
72
72
72
72
74
75
77

Pressure (mb)

1012
1012
1012
1012
1013
1013
1013
1013
1014
1014
1015
1015
1021
1022
1023
1023
1024
1024
1025
1025
1025
1025
1026
1026

Ozone (du)

344
343
344
344
343
342
340
340
340
339
339
338
337
336
335
334
334
333
333
333
333
333
333
333

Friday 12

Waning Crescent 5%

02:52

No Set

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: 04:53, Set: 21:38, Transit: 13:16. Moon - Rise: 02:52, Set: No Set. Civil Dark: 22:28 - 04:03. Nautical Dark: 23:48 - 02:43. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

84
78
82
86
89
92
95
97
90
83
76
78
79
82
81
82
82
74
66
58
61
64
68
78

Low Clouds (% Sky Obscured)

54
73
78
82
87
90
94
97
88
80
72
70
68
68
70
72
73
64
51
37
28
19
11
12

Medium Clouds (% Sky Obscured)

4
8
15
27
42
41
30
19
11
5
0
0
0
0
0
0
0
1
2
4
5
7
9
15

High Clouds (% Sky Obscured)

19
7
5
3
1
0
0
0
27
50
75
78
79
82
65
41
17
22
21
14
16
18
15
15

ISS Passover

Visibility (miles)

9
9
9
7
4
1
4
7
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 (%)

2
0
5
8
8
6
4
0
2
3
6
5
4
0
2
2
0
5
5
3
6
6
2
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)

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

Chance of Frost

Temperature (°C)

15
15
14
14
14
14
14
14
14
14
14
14
14
15
15
16
16
17
17
17
17
17
17
17

Feels Like (°C)

14
14
14
14
13
13
14
14
14
14
14
14
13
14
14
14
14
14
17
17
17
17
17
17

Dew Point (°C)

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

Relative Humidity (%)

82
87
93
95
96
96
98
96
96
95
96
95
92
90
87
86
86
83
83
83
83
83
85
85

Pressure (mb)

1026
1026
1027
1027
1027
1028
1028
1028
1028
1029
1029
1029
1029
1030
1030
1030
1030
1030
1030
1030
1030
1030
1030
1030

Ozone (du)

335
336
337
338
338
339
339
339
339
339
340
341
341
341
342
342
342
342
342
342
343
344
346
347

Saturday 13

Waning Crescent 1%

03:28

20:26

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

Sun - Rise: 04:53, Set: 21:39, Transit: 13:16. Moon - Rise: 03:28, Set: 20:26. Civil Dark: 22:29 - 04:03. Nautical Dark: 23:49 - 02:42. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

89
99
99
97
94
86
83
80
69
59
54
62
69
75
68
61
59

Low Clouds (% Sky Obscured)

14
13
24
37
46
39
32
20
20
20
23
26
27
26
27
28
29

Medium Clouds (% Sky Obscured)

21
24
16
10
4
4
5
6
6
5
4
5
5
5
4
3
2

High Clouds (% Sky Obscured)

17
15
20
15
15
17
23
25
34
40
48
52
57
64
52
39
32

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

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

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

17
17
18
17
17
17
15
15
16
15
15
15
18
18
19
20
20

Dew Point (°C)

14
14
14
14
14
14
14
13
13
13
14
14
15
16
16
17
17

Relative Humidity (%)

86
89
92
90
92
92
92
92
93
92
92
92
90
88
86
85
85

Pressure (mb)

1030
1030
1030
1030
1030
1030
1030
1030
1029
1029
1029
1029
1029
1029
1029
1029
1029

Ozone (du)

347
347
347
347
347
347
347
347
347
346
344
343
342
341
340
339
338

Forecast for Aberystwyth, Ceredigion, United Kingdom (52.42,-4.08)

Generated: 07/06/26 20:14:31. Forecast: 07/06/26 to 13/06/26. Timezone: UTC+1.00