Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 1

Waning Gibbous 97%

23:23

05:47

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
18 Bad

Sun - Rise: 04:58, Set: 21:29, Transit: 13:14. Moon - Rise: 23:23, Set: 05:47. Civil Dark: 22:16 - 04:10. Nautical Dark: 23:29 - 02:57. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
99
100
99
90
96
93
88
95
94
100
100
92
91
66
76
71
79
84

Low Clouds (% Sky Obscured)

84
88
100
93
94
86
87
98
80
78
85
83
85
90
94
76
76
64
62
50
66
61
70
73

Medium Clouds (% Sky Obscured)

100
100
100
91
100
94
65
59
89
18
9
19
12
19
21
20
29
23
23
3
19
14
25
23

High Clouds (% Sky Obscured)

100
100
100
99
100
100
90
100
91
41
40
0
0
2
0
50
50
0
0
1
0
0
0
0

ISS Passover

Visibility (miles)

0
0
5
4
0
0
1
2
2
1
1
4
7
9
9
9
2
6
8
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

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

Precipitation Probability (%)

95
95
88
95
85
61
44
46
56
50
39
37
32
35
57
69
71
71
55
43
32
30
28
32

Precipitation Amount (mm)

0.3
0.6
0.6
1.4
0.5
0.3
0.2
0.2
0.3
0.3
0
0
0
0
0.3
0.4
0.4
0.4
0.2
0
0
0
0
0

Wind Speed/Direction (mph)

14
11
9
8
9
8
9
11
9
11
12
11
11
12
12
11
10
10
10
10
13
14
13
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

16
15
14
14
14
14
14
13
13
13
13
12
12
13
12
12
13
13
13
13
13
13
13
13

Relative Humidity (%)

98
96
95
96
100
100
100
98
98
98
98
96
96
95
93
92
95
95
92
95
90
90
87
89

Pressure (mb)

1006
1006
1005
1005
1004
1004
1003
1003
1002
1002
1002
1002
1002
1002
1003
1003
1003
1004
1004
1004
1005
1005
1005
1006

Ozone (du)

361
362
366
367
368
371
375
380
380
387
390
396
397
397
399
401
401
400
398
397
398
397
395
394

Tuesday 2

Waning Gibbous 93%

00:05

06:50

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
18 Bad

Sun - Rise: 04:57, Set: 21:30, Transit: 13:14. Moon - Rise: 00:05, Set: 06:50. Civil Dark: 22:17 - 04:10. Nautical Dark: 23:31 - 02:55. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

77
87
85
78
98
90
67
45
100
100
96
100
100
100
100
100
82
83
75
91
85
85
67
65

Low Clouds (% Sky Obscured)

66
51
71
56
95
77
67
45
38
63
63
56
94
100
100
85
63
72
63
60
57
46
49
60

Medium Clouds (% Sky Obscured)

17
27
18
18
26
25
15
0
24
14
25
58
49
79
38
84
25
40
36
57
43
55
57
47

High Clouds (% Sky Obscured)

0
0
0
0
0
0
2
13
99
99
83
53
50
41
21
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
7
8
8
9
9
9
9
9
2
3
9
5
5
3
0
7
4
9
9
9
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

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

Precipitation Probability (%)

26
35
33
31
28
25
21
18
20
20
22
31
65
88
95
95
86
82
72
63
50
45
56
66

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.6
2.8
0.7
0.6
0.6
0.4
0.2
0
0
0.3
0.4

Wind Speed/Direction (mph)

10
8
8
8
8
9
11
11
11
12
12
12
13
14
17
23
21
21
25
25
25
26
25
23

Chance of Frost

Temperature (°C)

14
14
14
13
14
13
13
12
12
11
11
12
12
13
12
13
13
14
15
15
15
15
15
15

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
92
93
95
92
92
92
95
95
95
98
98
95
93
93
95
96
92
90
90
85
85
84
87

Pressure (mb)

1006
1006
1007
1007
1007
1007
1007
1007
1007
1006
1006
1005
1004
1003
1002
1001
1000
999
999
998
998
997
997
997

Ozone (du)

382
377
373
370
366
362
358
355
354
353
354
355
356
359
366
375
384
387
389
392
393
393
392
395

Wednesday 3

Waning Gibbous 88%

00:35

08:02

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
18 Bad

Sun - Rise: 04:57, Set: 21:31, Transit: 13:14. Moon - Rise: 00:35, Set: 08:02. Civil Dark: 22:19 - 04:09. Nautical Dark: 23:33 - 02:53. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

63
91
98
100
95
97
97
99
86
99
95
97
99
99
100
99
100
100
100
100
100
100
100
84

Low Clouds (% Sky Obscured)

55
68
63
66
58
80
85
85
72
89
75
73
76
73
82
82
86
88
88
87
86
82
80
69

Medium Clouds (% Sky Obscured)

43
65
91
90
82
78
60
65
50
90
81
77
85
37
36
53
87
97
96
98
99
96
49
74

High Clouds (% Sky Obscured)

0
57
64
100
49
3
15
13
19
3
5
3
6
3
3
3
2
4
5
7
5
3
0
1

ISS Passover

Visibility (miles)

9
9
9
9
8
6
7
5
5
6
5
5
4
8
7
7
7
0
3
2
3
2
6
4

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
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

61
65
60
76
78
68
84
83
66
72
81
79
77
65
76
88
95
95
95
95
95
92
91
95

Precipitation Amount (mm)

0.3
0.4
0.3
0.5
0.5
0.4
0.8
0.8
0.5
0.6
0.6
0.6
0.6
0.4
0.5
0.6
0.6
1
0.9
1.1
1.3
0.7
0.8
1

Wind Speed/Direction (mph)

23
23
23
20
20
20
21
22
25
25
25
24
24
24
25
25
24
23
22
21
21
21
20
18

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

12
12
12
11
11
11
11
11
11
12
11
11
11
11
11
11
11
12
11
11
11
11
11
11

Relative Humidity (%)

87
92
92
90
92
93
93
95
95
96
93
92
95
93
95
96
95
98
95
95
95
96
95
92

Pressure (mb)

996
996
995
995
994
994
993
993
993
993
993
994
994
995
995
995
996
996
997
998
999
999
1000
1001

Ozone (du)

399
401
403
404
400
401
403
403
401
400
400
400
398
399
399
399
399
397
396
396
394
394
393
395

Thursday 4

Waning Gibbous 80%

00:57

09:17

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
18 Bad

Sun - Rise: 04:56, Set: 21:32, Transit: 13:14. Moon - Rise: 00:57, Set: 09:17. Civil Dark: 22:20 - 04:08. Nautical Dark: 23:35 - 02:52. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

98
96
95
91
95
97
96
78
96
87
57
62
98
98
99
99
99
99
99
98
98
97
94
96

Low Clouds (% Sky Obscured)

72
69
67
65
68
71
67
59
60
55
50
42
42
54
46
53
66
75
66
55
48
59
57
68

Medium Clouds (% Sky Obscured)

93
84
73
57
28
26
32
41
44
43
36
27
36
42
46
85
90
94
92
91
90
90
82
83

High Clouds (% Sky Obscured)

2
1
1
0
0
0
0
2
53
44
5
32
63
66
68
57
49
35
35
45
55
60
18
4

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

91
80
73
61
49
37
26
27
30
33
41
48
44
35
21
48
65
76
74
79
83
77
70
60

Precipitation Amount (mm)

0.8
0.7
0.8
0.5
0.3
0.3
0
0
0
0
0.2
0.3
0.2
0
0
0.2
0.4
0.5
0.4
0.5
0.6
0.5
0.4
0.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
87
89
87
90
87
87
85
85
84
85
85
85
87
84
79
75
70
70
69
69
69
70
75

Pressure (mb)

1001
1002
1003
1004
1005
1006
1006
1007
1007
1007
1008
1008
1009
1009
1009
1010
1010
1010
1011
1011
1011
1011
1011
1011

Ozone (du)

395
396
396
395
394
393
388
385
383
382
377
374
371
370
368
367
371
371
372
373
370
372
373
374

Friday 5

Waning Gibbous 72%

01:13

10:34

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
18 Bad

Sun - Rise: 04:55, Set: 21:33, Transit: 13:15. Moon - Rise: 01:13, Set: 10:34. Civil Dark: 22:21 - 04:07. Nautical Dark: 23:37 - 02:50. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

96
97
97
93
98
82
100
100
100
99
98
99
99
99
99
99
98
97
93
89
86
91
95
100

Low Clouds (% Sky Obscured)

58
56
65
66
72
71
66
60
63
56
48
40
63
82
98
88
81
73
71
70
68
74
77
82

Medium Clouds (% Sky Obscured)

85
89
89
84
91
80
100
99
98
90
80
72
98
96
95
91
87
84
78
73
70
51
33
19

High Clouds (% Sky Obscured)

4
5
4
24
56
82
70
40
15
15
15
17
74
58
50
52
32
4
3
2
0
0
0
1

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

55
51
50
49
59
68
60
61
77
70
60
49
91
95
95
95
95
95
78
78
95
71
65
81

Precipitation Amount (mm)

0.2
0.2
0.2
0
0.3
0.7
0.3
0.3
0.8
0.4
0.2
0.2
0.5
0.9
1.3
1.1
1
1
0.4
0.5
1.2
0.4
0.3
0.7

Wind Speed/Direction (mph)

15
15
14
13
12
11
10
10
9
8
8
9
9
12
12
13
11
14
19
19
19
19
18
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
84
86
90
90
90
90
90
91
91
91
90
88
89
86
86
81
78
75
75
76
76
80
86

Pressure (mb)

1011
1011
1011
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1007
1007
1006
1007
1007
1007
1007
1008
1008
1009
1009

Ozone (du)

375
377
378
377
376
376
377
377
378
378
379
382
388
391
394
397
398
400
402
403
403
404
398
391

Saturday 6

Waning Gibbous 62%

01:26

11:50

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
18 Bad

Sun - Rise: 04:55, Set: 21:34, Transit: 13:15. Moon - Rise: 01:26, Set: 11:50. Civil Dark: 22:22 - 04:06. Nautical Dark: 23:39 - 02:49. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
100
98
90
82
74
77
79
82
87
93
99
99
99
99
98
95
93
95
98
100
100
100
100

Low Clouds (% Sky Obscured)

77
66
53
46
38
31
30
26
25
15
13
11
10
13
18
16
16
14
20
22
20
21
22
23

Medium Clouds (% Sky Obscured)

19
29
31
30
34
37
44
44
44
37
39
58
66
76
83
64
45
36
50
54
50
60
71
81

High Clouds (% Sky Obscured)

14
20
25
18
12
10
7
7
11
17
23
25
28
31
34
51
68
85
72
65
54
63
80
100

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

61
65
85
63
44
40
29
18
11
8
5
4
3
3
4
2
3
4
2
0
0
4
11
25

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

15
16
17
19
17
18
18
16
13
11
10
10
10
10
10
11
10
10
10
9
8
7
9
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
89
90
90
91
93
91
91
90
90
90
90
90
86
81
78
74
71
67
68
67
67
70
75

Pressure (mb)

1010
1010
1011
1012
1013
1014
1015
1015
1016
1016
1017
1018
1018
1019
1019
1020
1020
1020
1020
1020
1020
1019
1019
1019

Ozone (du)

384
382
381
379
377
375
373
372
371
370
370
370
369
365
361
357
354
352
349
350
351
352
351
351

Sunday 7

Waning Gibbous 52%

01:37

13:08

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

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
100
99
99
98
97
93
89
89
89
90
86
85
85

Low Clouds (% Sky Obscured)

46
67
87
91
95
98
97
96
97
95
93
89
87
84
81
79
76
73

Medium Clouds (% Sky Obscured)

87
94
100
93
87
83
65
53
45
46
43
40
43
45
43
39
35
34

High Clouds (% Sky Obscured)

100
100
100
95
93
90
61
31
3
3
1
1
1
1
1
2
4
5

ISS Passover

Visibility (miles)

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

Fog (%)

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

Precipitation Type

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

Precipitation Probability (%)

37
49
61
57
54
50
56
68
84
81
85
93
77
62
54
46
50
60

Precipitation Amount (mm)

0
0.2
0.4
0.3
0.2
0
0.2
0.4
0.7
0.6
0.6
0.9
0.6
0.3
0.2
0
0.2
0.4

Wind Speed/Direction (mph)

13
11
10
10
11
12
14
14
15
17
16
15
14
14
14
13
14
15

Chance of Frost

Temperature (°C)

15
15
14
14
15
15
15
15
15
14
14
14
14
14
14
14
14
15

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

78
76
76
74
79
86
92
95
96
96
98
98
98
98
98
98
98
96

Pressure (mb)

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

Ozone (du)

351
352
352
353
351
349
346
347
347
347
347
347
347
347
346
346
347
348

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

Generated: 01/06/26 19:29:05. Forecast: 01/06/26 to 07/06/26. Timezone: UTC+1.00