Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 28

Waxing Gibbous 99%

21:08

04:05

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

Sun - Rise: 05:15, Set: 21:36, Transit: 13:25. Moon - Rise: 21:08, Set: 04:05. Civil Dark: 22:20 - 04:30. Nautical Dark: 23:25 - 03:26. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
99
92
88
63
38
9
15
25
25
14
14
0
8
19
7
1
7
52
94
100
91
93
49

Low Clouds (% Sky Obscured)

75
43
36
47
45
38
4
15
25
25
14
14
0
8
19
7
0
0
22
6
26
29
1
20

Medium Clouds (% Sky Obscured)

10
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
29
97
91
75
49

High Clouds (% Sky Obscured)

92
68
71
76
36
2
6
2
0
2
0
0
0
0
0
0
1
6
34
93
100
48
79
19

ISS Passover

Visibility (miles)

9
8
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 (%)

3
0
0
12
2
4
2
1
1
0
0
0
0
1
3
2
1
1
2
4
8
6
17
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)

15
14
14
15
13
14
15
16
16
17
18
18
18
18
17
17
16
14
13
12
11
11
10
10

Chance of Frost

Temperature (°C)

16
16
16
16
16
16
16
16
17
17
17
17
17
17
17
16
16
16
16
16
16
16
15
15

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
93
92
89
85
77
69
67
66
67
65
64
64
68
72
75
75
78
81
80
82
83
82
82

Pressure (mb)

1015
1016
1017
1018
1019
1019
1020
1021
1021
1022
1022
1023
1023
1023
1024
1024
1024
1025
1026
1026
1026
1026
1026
1026

Ozone (du)

320
323
326
328
328
329
330
333
337
342
347
351
358
365
365
358
351
344
339
335
334
336
339
339

Monday 29

Waxing Gibbous 100%

21:54

04:05

04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 OK
13 OK
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

Sun - Rise: 05:15, Set: 21:35, Transit: 13:25. Moon - Rise: 21:54, Set: 04:05. Civil Dark: 22:20 - 04:31. Nautical Dark: 23:25 - 03:27. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

54
84
76
100
71
76
80
78
27
32
69
67
83
85
97
100
100
99
99
100
79
90
100
100

Low Clouds (% Sky Obscured)

34
50
50
37
21
27
33
33
17
9
10
59
33
1
13
35
29
64
66
64
51
68
77
68

Medium Clouds (% Sky Obscured)

47
49
45
82
12
45
30
21
5
18
20
24
62
69
74
86
89
96
90
92
35
15
17
18

High Clouds (% Sky Obscured)

2
32
41
62
54
63
59
46
6
0
48
1
40
37
48
100
100
90
96
100
2
1
100
74

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 (%)

12
15
13
7
6
4
6
9
1
1
1
2
3
1
1
12
9
0
0
0
0
0
1
2

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

13
13
14
13
15
15
16
16
15
18
17
16
17
16
15
15
15
14
14
14
14
14
14
14

Dew Point (°C)

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

Relative Humidity (%)

83
85
85
83
81
77
74
72
69
68
67
67
67
68
71
73
75
78
82
83
85
85
85
86

Pressure (mb)

1027
1027
1027
1027
1028
1028
1028
1028
1028
1028
1028
1028
1027
1027
1027
1026
1026
1026
1025
1025
1025
1024
1024
1023

Ozone (du)

340
339
341
342
338
337
335
332
331
330
329
327
328
326
325
325
326
326
327
332
341
343
344
343

Tuesday 30

Full Moon 99%

22:30

05:04

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
20 Bad
21 OK
22 OK
23 OK
00 OK
01 Bad
02 Bad
03 Bad

Sun - Rise: 05:16, Set: 21:35, Transit: 13:25. Moon - Rise: 22:30, Set: 05:04. Civil Dark: 22:19 - 04:32. Nautical Dark: 23:24 - 03:28. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
100
97
95
59
97
100
100
84
90
90
100
86
100
100
62
60
14
14
21
18
35
51
67

Low Clouds (% Sky Obscured)

76
72
73
90
59
92
97
84
57
44
38
42
58
66
64
59
59
14
11
21
18
28
34
37

Medium Clouds (% Sky Obscured)

30
79
76
16
0
41
45
40
18
22
66
30
2
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

100
96
58
3
46
50
39
53
55
55
50
100
62
60
60
4
2
0
8
0
4
15
27
48

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
17
21
14
31
23
11
33
28
20
10
18
4
16
9
17
5
1
0
0
0
0
0
0

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

Chance of Frost

Temperature (°C)

16
16
17
17
17
17
17
18
17
18
18
18
18
17
18
17
17
17
16
16
16
16
16
16

Feels Like (°C)

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

Dew Point (°C)

14
14
15
14
14
14
14
14
14
13
13
13
13
13
14
14
15
15
15
15
15
15
14
14

Relative Humidity (%)

86
89
87
85
85
83
79
78
79
74
74
73
72
77
79
82
86
92
93
92
93
90
90
90

Pressure (mb)

1023
1023
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1023
1022
1023
1023
1023
1024
1025
1025
1025
1025
1025
1026

Ozone (du)

343
345
353
356
348
344
344
347
348
350
349
353
347
347
344
341
339
338
336
334
334
331
329
327

Wednesday 1

Waning Gibbous 96%

22:57

06:12

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
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 05:16, Set: 21:35, Transit: 13:26. Moon - Rise: 22:57, Set: 06:12. Civil Dark: 22:19 - 04:32. Nautical Dark: 23:24 - 03:29. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

71
83
73
85
92
100
98
96
94
68
72
73
64
67
61
62
68
69
71
79
89
95
89
83

Low Clouds (% Sky Obscured)

39
39
50
58
74
77
76
73
70
64
72
73
64
67
61
62
68
69
71
75
86
95
88
82

Medium Clouds (% Sky Obscured)

0
0
0
0
1
2
10
18
27
16
8
3
0
0
0
0
0
0
2
4
8
6
3
0

High Clouds (% Sky Obscured)

50
80
62
75
86
100
77
48
65
31
17
0
0
0
0
0
0
0
0
0
1
2
0
1

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 (%)

2
3
0
1
3
3
0
2
0
1
0
0
0
1
0
0
0
0
0
0
0
4
19
24

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)

15
14
14
13
13
12
11
11
12
13
13
14
15
16
16
17
17
17
18
18
19
19
20
20

Chance of Frost

Temperature (°C)

15
15
15
15
16
16
16
16
16
17
17
17
17
17
17
17
17
16
16
16
16
16
17
17

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
90
89
87
83
81
81
78
75
71
69
71
72
74
76
77
78
83
87
90
93
95
95
93

Pressure (mb)

1026
1026
1026
1027
1027
1027
1028
1028
1028
1028
1028
1028
1028
1027
1027
1027
1027
1027
1027
1026
1026
1026
1025
1025

Ozone (du)

326
324
323
321
318
315
314
313
313
313
312
313
314
315
315
316
316
317
320
321
319
317
315
315

Thursday 2

Waning Gibbous 91%

23:17

07:24

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 OK
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 OK

Sun - Rise: 05:17, Set: 21:35, Transit: 13:26. Moon - Rise: 23:17, Set: 07:24. Civil Dark: 22:19 - 04:33. Nautical Dark: 23:23 - 03:30. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

89
94
99
95
85
86
76
66
58
61
64
61
63
65
62
37
50
63
63
59
60
48
42
28

Low Clouds (% Sky Obscured)

86
91
96
94
78
76
67
60
53
55
49
48
45
46
44
14
8
1
1
1
1
8
16
20

Medium Clouds (% Sky Obscured)

12
24
34
36
35
31
21
9
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

23
48
72
49
26
1
0
2
2
9
17
25
25
25
4
23
43
58
58
59
50
32
19
7

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 (%)

19
20
15
2
1
1
3
1
0
3
3
1
2
3
0
0
0
0
0
0
0
0
0
0

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)

20
20
19
18
18
18
17
17
16
17
16
15
14
13
12
10
14
13
12
12
12
12
11
10

Chance of Frost

Temperature (°C)

17
17
17
17
17
16
17
17
17
17
17
17
17
17
17
17
17
16
16
16
16
16
16
16

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

92
83
83
83
83
77
77
77
71
68
70
68
70
69
69
72
77
81
86
87
87
89
89
90

Pressure (mb)

1025
1025
1025
1025
1026
1026
1026
1027
1027
1027
1028
1028
1028
1028
1029
1029
1028
1029
1029
1030
1030
1030
1030
1030

Ozone (du)

316
315
314
314
313
312
312
313
312
312
312
311
311
312
311
311
311
311
311
312
312
312
312
313

Friday 3

Waning Gibbous 89%

23:33

08:37

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

Sun - Rise: 05:18, Set: 21:34, Transit: 13:26. Moon - Rise: 23:33, Set: 08:37. Civil Dark: 22:18 - 04:34. Nautical Dark: 23:22 - 03:31. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

36
43
52
47
39
34
35
39
44
46
49
52
39
27
14
8
4
0
0
0
0
9
18
27

Low Clouds (% Sky Obscured)

19
20
21
23
26
25
29
33
40
43
49
48
36
23
12
7
3
0
0
0
0
9
18
27

Medium Clouds (% Sky Obscured)

4
8
11
6
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

7
6
5
3
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

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
0
0
0
0
1
0
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0

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

Chance of Frost

Temperature (°C)

16
16
16
16
16
17
17
17
17
18
18
18
18
17
17
17
16
16
16
16
16
16
16
16

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
87
87
87
81
74
70
66
65
63
63
64
64
67
70
72
78
83
87
87
87
87
89
90

Pressure (mb)

1030
1030
1031
1031
1031
1031
1032
1032
1032
1032
1032
1031
1031
1031
1031
1031
1031
1031
1031
1031
1031
1030
1030
1030

Ozone (du)

313
315
316
317
316
315
314
314
315
315
315
314
314
314
313
313
312
312
312
312
313
313
313
312

Saturday 4

Waning Gibbous 85%

23:47

09:51

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

Sun - Rise: 05:19, Set: 21:34, Transit: 13:26. Moon - Rise: 23:47, Set: 09:51. Civil Dark: 22:18 - 04:35. Nautical Dark: 23:21 - 03:33. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

29
34
42
54
67
77
67
57
49
44
35
28
32
32
34
32
33
34
34
33
32

Low Clouds (% Sky Obscured)

29
34
42
54
65
77
67
57
49
44
35
28
32
32
34
32
33
34
34
33
32

Medium Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

1
2
3
3
3
3
2
1
0
0
0
0
0
0
0
0
0
0
0
1
1

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

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 (%)

1
3
3
6
10
12
13
10
1
1
1
0
0
0
0
0
0
0
0
0
0

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)

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

Chance of Frost

Temperature (°C)

16
16
16
16
17
17
17
17
18
18
18
18
18
18
17
17
17
16
16
16
16

Feels Like (°C)

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

Dew Point (°C)

14
15
15
15
14
14
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13

Relative Humidity (%)

92
92
90
89
85
81
77
76
73
72
72
73
73
74
76
78
79
81
82
82
83

Pressure (mb)

1030
1030
1030
1030
1030
1030
1030
1030
1030
1030
1030
1030
1030
1030
1030
1030
1030
1030
1030
1030
1030

Ozone (du)

312
312
312
312
312
312
313
313
313
313
313
313
313
313
313
314
314
314
314
314
314

Forecast for Penzance, Cornwall, United Kingdom (50.12,-5.54)

Generated: 28/06/26 04:22:50. Forecast: 28/06/26 to 04/07/26. Timezone: UTC+1.00