Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 30

Waxing Gibbous 100%

21:13

04:38

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
10 Bad

Sun - Rise: 05:17, Set: 21:20, Transit: 13:19. Moon - Rise: 21:13, Set: 04:38. Civil Dark: 22:03 - 04:34. Nautical Dark: 23:04 - 03:33. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

66
50
95
100
100
100
100
100
100
98
91
85
99
100
100
100
100
100
100
96
98
95
93
88

Low Clouds (% Sky Obscured)

56
50
54
65
47
70
42
58
76
96
81
84
75
75
78
66
58
50
46
52
58
74
63
60

Medium Clouds (% Sky Obscured)

0
0
2
48
39
43
100
91
100
63
36
2
0
0
0
1
100
100
100
94
90
77
77
62

High Clouds (% Sky Obscured)

66
9
15
100
100
100
100
100
100
70
70
4
38
100
100
100
100
100
93
73
83
4
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
6
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
0
1
1
2
1
4
7
11
18
5
4
3
3
8
14
16
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)

5
8
9
10
11
11
12
11
12
12
13
13
13
12
12
12
13
11
11
11
12
14
15
15

Chance of Frost

Temperature (°C)

15
15
16
16
16
16
16
16
15
15
15
15
15
15
15
15
14
14
14
14
14
15
15
15

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

70
70
69
69
69
72
73
75
79
83
86
90
92
95
95
96
93
95
95
93
92
90
86
85

Pressure (mb)

1022
1022
1022
1022
1021
1021
1021
1020
1020
1020
1020
1020
1020
1019
1019
1019
1018
1018
1019
1019
1019
1019
1019
1019

Ozone (du)

337
340
343
341
339
341
342
346
348
353
358
349
346
344
339
335
335
332
333
335
339
342
343
344

Sunday 31

Full Moon 99%

22:17

05:18

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
10 Bad

Sun - Rise: 05:16, Set: 21:22, Transit: 13:19. Moon - Rise: 22:17, Set: 05:18. Civil Dark: 22:04 - 04:33. Nautical Dark: 23:05 - 03:32. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

75
80
76
74
55
71
75
65
74
70
65
100
100
100
89
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

60
59
65
67
51
63
75
65
59
55
43
68
44
58
67
70
78
85
90
93
85
96
81
98

Medium Clouds (% Sky Obscured)

39
50
33
23
19
7
0
0
7
21
28
57
22
38
39
52
98
100
84
100
82
100
100
100

High Clouds (% Sky Obscured)

0
0
0
0
5
48
16
42
55
54
60
100
100
100
56
100
83
100
100
100
100
100
100
100

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
2
2

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
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

11
10
5
3
5
0
0
0
0
0
0
0
3
3
1
0
0
2
29
37
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.9
0.9
0.6
1.1

Wind Speed/Direction (mph)

16
15
15
15
15
15
14
14
14
13
11
9
10
10
10
10
11
11
14
15
16
17
18
19

Chance of Frost

Temperature (°C)

15
16
16
16
16
16
16
15
15
15
14
14
14
14
14
14
15
15
15
15
15
15
15
16

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
83
83
83
83
83
83
85
87
89
93
93
93
93
95
93
92
90
90
90
92
95
96
96

Pressure (mb)

1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1019
1019
1018
1018
1017
1017
1016
1016
1015
1015
1014
1014

Ozone (du)

339
335
334
335
336
335
335
332
331
329
326
325
325
327
326
325
325
326
327
328
328
328
329
331

Monday 1

Waning Gibbous 97%

23:11

06:10

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
10 Bad

Sun - Rise: 05:15, Set: 21:23, Transit: 13:19. Moon - Rise: 23:11, Set: 06:10. Civil Dark: 22:06 - 04:32. Nautical Dark: 23:07 - 03:30. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
92
90
85
85
82
100
79
77
85
87
75
80
85
88
72
59

Low Clouds (% Sky Obscured)

86
76
87
100
83
77
68
73
82
77
70
68
63
65
68
67
64
67
68
68
70
71
72
59

Medium Clouds (% Sky Obscured)

84
96
55
52
52
56
45
43
69
72
72
39
27
21
24
28
22
36
19
14
55
39
45
31

High Clouds (% Sky Obscured)

100
100
38
34
100
100
100
34
68
55
55
55
22
40
0
28
51
9
21
55
45
50
14
0

ISS Passover

Visibility (miles)

3
1
2
4
7
7
9
9
2
1
0
4
8
7
9
3
9
9
9
9
4
7
9
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
None
None
None
None
Light Rain
Moderate Rain
Light Rain
Light Rain
None
None
None
Light Rain
Light Rain
Very Light Rain
None
Very Light Rain
Light Rain
Light Rain
Very Light Rain
None
None

Precipitation Probability (%)

95
95
94
67
64
65
36
95
95
95
95
56
60
59
91
95
85
60
73
86
69
51
47
41

Precipitation Amount (mm)

0.7
0.7
0.6
0
0
0.2
0
0.5
3
1.2
0.6
0
0
0
0.6
1
0.3
0
0.3
0.7
0.5
0.2
0
0

Wind Speed/Direction (mph)

20
19
19
19
18
17
16
16
16
14
14
12
13
14
13
14
16
17
17
17
18
19
19
21

Chance of Frost

Temperature (°C)

16
16
16
16
16
16
16
16
16
15
15
15
15
14
14
14
14
14
14
14
14
14
14
14

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
96
96
96
96
93
95
93
95
98
98
96
96
96
96
92
92
90
90
90
89
93
92
90

Pressure (mb)

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

Ozone (du)

333
336
340
346
349
355
361
365
370
373
376
382
385
391
392
390
393
397
397
396
395
395
394
397

Tuesday 2

Waning Gibbous 93%

23:55

07:11

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
10 Bad

Sun - Rise: 05:15, Set: 21:24, Transit: 13:19. Moon - Rise: 23:55, Set: 07:11. Civil Dark: 22:07 - 04:31. Nautical Dark: 23:08 - 03:29. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

47
50
68
58
93
56
43
29
41
38
42
45
42
42
47
52
50
79
91
100
100
100
100
100

Low Clouds (% Sky Obscured)

47
50
60
58
66
56
43
29
41
38
42
45
42
42
47
49
46
66
76
81
88
93
100
100

Medium Clouds (% Sky Obscured)

16
0
18
33
47
29
12
0
0
0
0
0
0
2
4
0
0
9
19
28
32
32
32
27

High Clouds (% Sky Obscured)

0
0
0
4
50
1
0
0
0
0
0
1
1
4
12
10
16
57
80
89
94
96
93
98

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
6
3
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

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 (%)

45
46
37
33
27
26
26
19
20
15
8
14
11
3
9
8
4
6
8
19
33
38
32
34

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)

21
22
23
23
23
23
23
23
23
21
21
19
18
17
16
15
15
14
15
16
17
19
21
22

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

12
12
11
11
12
11
11
12
11
11
11
11
12
12
11
12
12
11
10
10
10
10
10
11

Dew Point (°C)

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

Relative Humidity (%)

87
85
83
83
82
84
86
86
87
89
90
92
92
89
86
89
92
90
90
90
93
95
98
96

Pressure (mb)

1008
1009
1009
1009
1010
1010
1011
1011
1011
1012
1012
1013
1013
1013
1013
1012
1012
1012
1011
1011
1010
1009
1009
1008

Ozone (du)

382
374
369
367
366
366
365
360
354
349
348
345
343
341
340
339
339
339
339
339
338
339
341
344

Wednesday 3

Waning Gibbous 88%

00:27

08:20

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
10 Bad

Sun - Rise: 05:14, Set: 21:25, Transit: 13:20. Moon - Rise: 00:27, Set: 08:20. Civil Dark: 22:08 - 04:31. Nautical Dark: 23:10 - 03:28. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
100
75
98
75
90
81
62
50
54
55
85
93
100
100
99
99
90
82
68
72
82
92
81

Low Clouds (% Sky Obscured)

100
100
75
77
58
63
59
50
43
43
44
43
52
49
59
66
74
71
67
64
61
57
50
44

Medium Clouds (% Sky Obscured)

23
10
20
31
41
35
23
16
16
15
15
17
22
92
92
93
95
78
60
44
36
24
11
24

High Clouds (% Sky Obscured)

96
71
75
88
75
60
30
0
0
0
1
47
78
100
97
95
94
74
54
41
62
80
92
81

ISS Passover

Visibility (miles)

9
9
6
9
9
9
7
7
8
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 (%)

39
39
31
15
16
23
29
30
30
29
25
33
29
26
46
42
36
37
32
26
26
26
23
21

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)

21
20
22
23
23
25
25
25
24
24
23
23
23
23
23
24
25
27
26
25
25
25
25
24

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
95
92
82
74
75
83
87
89
89
89
89
89
87
86
87
86
84
82
80
77
76
75
73

Pressure (mb)

1008
1008
1007
1007
1007
1007
1007
1007
1007
1007
1007
1007
1007
1007
1007
1007
1007
1007
1008
1008
1008
1009
1009
1010

Ozone (du)

348
355
359
362
367
372
376
374
371
370
371
369
371
370
370
372
374
376
375
374
373
371
370
369

Thursday 4

Waning Gibbous 80%

00:52

09:33

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
10 Bad

Sun - Rise: 05:14, Set: 21:25, Transit: 13:20. Moon - Rise: 00:52, Set: 09:33. Civil Dark: 22:09 - 04:30. Nautical Dark: 23:12 - 03:27. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

73
69
63
63
63
75
75
59
81
88
92
96
99
100
100
100
100
99
99
98
87
75
64
59

Low Clouds (% Sky Obscured)

44
37
35
38
40
42
41
42
51
67
77
76
75
74
74
71
67
57
47
37
46
55
64
59

Medium Clouds (% Sky Obscured)

39
54
47
37
28
22
23
25
27
28
39
62
81
99
97
95
93
94
96
98
87
75
64
59

High Clouds (% Sky Obscured)

73
69
62
55
47
46
35
29
44
61
80
69
47
15
40
72
100
97
95
92
69
40
5
0

ISS Passover

Visibility (miles)

9
8
8
8
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
4
1
1
2
2

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

Precipitation Probability (%)

21
23
23
25
25
21
16
8
29
43
59
67
71
72
64
55
47
64
78
94
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.3
0.4
0.4
0.4
0.3
0
0
0.3
0.4
0.6
0.9
1.2
1.2
0.8

Wind Speed/Direction (mph)

23
22
21
20
19
18
17
16
15
14
12
12
12
11
12
12
13
13
15
17
18
19
21
23

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

75
75
76
75
75
74
74
74
74
78
80
84
86
87
87
89
89
90
93
93
95
96
96
96

Pressure (mb)

1010
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1010
1010
1009
1009
1008
1007
1007
1006
1006
1006
1006
1006

Ozone (du)

367
366
365
365
364
364
362
361
360
358
357
355
353
351
348
345
342
339
337
335
333
332
330
328

Friday 5

Waning Gibbous 72%

01:11

10:46

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

Sun - Rise: 05:13, Set: 21:26, Transit: 13:20. Moon - Rise: 01:11, Set: 10:46. Civil Dark: 22:10 - 04:29. Nautical Dark: 23:13 - 03:26. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

53
51
64
74
86
67
43
19
16
13
14
23
31
40
34
38
50
62
67
73

Low Clouds (% Sky Obscured)

53
51
64
74
78
64
43
19
16
13
14
23
31
40
34
38
50
62
67
73

Medium Clouds (% Sky Obscured)

53
51
57
49
38
19
13
0
0
0
0
0
0
1
0
0
0
6
13
19

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
22
38
50
45
45
35

ISS Passover

Visibility (miles)

4
7
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

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

Precipitation Probability (%)

83
55
45
32
18
17
17
22
19
17
17
22
22
17
16
11
2
8
10
12

Precipitation Amount (mm)

0.5
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

23
23
23
24
25
26
27
28
28
27
25
24
23
23
21
19
17
15
13
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
95
95
92
89
85
84
83
83
83
82
82
82
79
77
76
74
71
71
74

Pressure (mb)

1006
1007
1008
1008
1009
1010
1010
1011
1012
1012
1013
1014
1015
1016
1017
1017
1018
1019
1019
1020

Ozone (du)

330
332
334
340
347
353
357
361
365
378
392
405
403
400
398
391
383
376
373
370

Forecast for Marazion, Cornwall, United Kingdom (50.13,-5.46)

Generated: 30/05/26 10:29:44. Forecast: 30/05/26 to 05/06/26. Timezone: UTC+1.00