Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 30

Waxing Gibbous 100%

21:13

04:35

16 OK
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
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 05:13, Set: 21:20, Transit: 13:17. Moon - Rise: 21:13, Set: 04:35. Civil Dark: 22:04 - 04:30. Nautical Dark: 23:05 - 03:28. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

39
49
63
100
100
96
88
100
100
100
100
100
100
100
100
100
97
98
88
74
84
83
64
58

Low Clouds (% Sky Obscured)

39
49
40
56
71
88
75
90
72
65
58
69
69
68
56
63
54
56
58
53
66
77
53
48

Medium Clouds (% Sky Obscured)

37
39
41
84
96
92
64
2
1
0
33
50
100
89
99
96
79
96
46
35
50
12
10
14

High Clouds (% Sky Obscured)

39
49
63
100
100
95
88
19
100
100
100
100
100
100
83
100
5
3
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
3
3
0
4
10
19
15
25
21
16
9
13
11
10
13
22
25
20
12
7

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

16
15
15
15
15
14
13
13
14
13
13
13
12
13
12
13
14
14
15
16
16
16
17
17

Dew Point (°C)

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

Relative Humidity (%)

60
62
64
73
79
85
90
93
96
96
95
95
96
96
96
93
86
77
73
70
69
68
66
66

Pressure (mb)

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

Ozone (du)

338
341
342
347
348
355
351
347
345
344
341
339
336
335
335
339
343
347
349
344
341
338
339
340

Sunday 31

Full Moon 99%

22:17

05:14

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
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 05:13, Set: 21:21, Transit: 13:18. Moon - Rise: 22:17, Set: 05:14. Civil Dark: 22:05 - 04:29. Nautical Dark: 23:07 - 03:26. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

44
47
73
92
94
86
81
85
95
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

44
47
73
76
57
74
65
71
72
61
65
67
62
86
84
93
90
89
88
91
90
95
97
89

Medium Clouds (% Sky Obscured)

1
3
0
0
0
24
36
27
41
39
34
26
88
99
99
94
100
100
95
98
100
100
97
96

High Clouds (% Sky Obscured)

0
7
26
56
92
60
50
37
71
100
100
100
100
100
100
100
88
99
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
5
7
8
7
7
6
8

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

Precipitation Probability (%)

0
3
0
0
0
0
0
0
0
0
0
0
3
5
8
47
95
95
95
95
95
88
72
90

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1.9
1.5
1.5
1.2
0.9
0.6
0.4
0.5

Wind Speed/Direction (mph)

14
13
13
12
11
9
7
6
5
5
5
6
7
8
10
11
14
13
15
16
16
15
16
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

17
17
16
16
15
14
13
12
12
12
12
12
12
13
13
14
13
14
14
14
14
14
15
14

Dew Point (°C)

13
13
13
13
13
14
14
13
13
13
13
13
12
13
14
14
14
15
15
15
16
16
17
16

Relative Humidity (%)

69
71
72
76
82
92
96
96
95
96
95
95
93
93
93
93
93
96
98
95
96
96
96
96

Pressure (mb)

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

Ozone (du)

338
335
334
334
332
332
331
331
330
329
327
327
325
326
326
325
325
326
328
327
329
334
339
343

Monday 1

Waning Gibbous 97%

23:12

06:06

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
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 05:12, Set: 21:22, Transit: 13:18. Moon - Rise: 23:12, Set: 06:06. Civil Dark: 22:06 - 04:28. Nautical Dark: 23:09 - 03:25. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
100
100
100
85
91
88
87
81
93
67
67
63
58
43
58
58
59
64
66
61
63
53
51

Low Clouds (% Sky Obscured)

62
76
69
86
70
79
65
67
54
66
67
67
63
58
43
58
58
59
64
65
61
63
53
51

Medium Clouds (% Sky Obscured)

100
27
40
23
55
81
76
77
24
31
30
34
31
16
0
25
23
23
23
26
0
0
0
0

High Clouds (% Sky Obscured)

100
100
100
100
70
70
65
65
65
46
28
35
35
5
0
0
0
0
0
0
1
9
2
2

ISS Passover

Visibility (miles)

3
3
8
6
6
1
7
9
9
4
6
9
6
9
9
9
9
7
8
9
7
8
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

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

Precipitation Probability (%)

95
95
69
80
95
95
73
54
79
74
61
51
50
52
41
45
51
58
53
53
48
26
17
11

Precipitation Amount (mm)

0.8
0.4
0.3
0.3
4.4
3.5
0.2
0
0.6
0.4
0.3
0.3
0.2
0.2
0
0.2
0
0.3
0.2
0.3
0.2
0
0
0

Wind Speed/Direction (mph)

14
13
12
12
12
11
11
10
9
9
10
11
11
11
11
11
13
15
17
17
18
19
19
18

Chance of Frost

Temperature (°C)

16
16
16
16
16
15
15
14
14
13
13
13
13
13
12
13
14
15
16
16
16
16
17
17

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
98
98
96
96
98
98
96
96
93
93
95
96
96
95
95
90
82
78
74
75
75
72
73

Pressure (mb)

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

Ozone (du)

348
351
357
360
366
367
378
380
388
393
394
393
398
400
401
399
400
399
398
393
378
371
371
375

Tuesday 2

Waning Gibbous 93%

23:55

07:08

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

Sun - Rise: 05:11, Set: 21:23, Transit: 13:18. Moon - Rise: 23:55, Set: 07:08. Civil Dark: 22:07 - 04:27. Nautical Dark: 23:10 - 03:24. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

51
41
41
34
30
30
30
33
35
83
95
99
99
99
99
100
100
100
100
100
30
29
84
62

Low Clouds (% Sky Obscured)

51
41
41
34
30
30
30
33
35
65
57
56
58
79
83
90
95
100
95
89
30
29
68
55

Medium Clouds (% Sky Obscured)

5
6
9
6
3
0
9
18
27
24
22
15
84
40
39
97
17
17
14
10
7
7
9
10

High Clouds (% Sky Obscured)

4
0
0
0
0
0
0
0
1
18
84
95
95
94
94
97
99
51
60
39
30
21
10
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
2
8
8
5
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
Very Light Rain
None
None
None
None
None
Very Light Rain
None
None
None

Precipitation Probability (%)

9
9
5
7
8
10
7
12
18
15
17
22
19
23
52
55
49
38
39
40
54
39
32
27

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0
0
0
0
0
0.3
0
0
0

Wind Speed/Direction (mph)

19
19
19
18
16
14
12
11
10
10
9
9
10
11
12
14
16
17
18
16
17
19
21
22

Chance of Frost

Temperature (°C)

17
16
16
15
14
14
13
12
12
13
12
12
12
13
13
14
14
15
15
16
17
18
18
17

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

73
75
75
79
83
89
93
95
95
90
93
93
95
92
92
95
96
98
98
95
79
65
66
65

Pressure (mb)

1010
1010
1011
1011
1011
1011
1012
1012
1012
1012
1011
1011
1010
1010
1009
1008
1007
1006
1006
1005
1005
1005
1005
1004

Ozone (du)

376
368
360
356
354
350
348
345
345
346
346
345
344
346
345
347
352
358
365
369
370
373
377
382

Wednesday 3

Waning Gibbous 88%

00:27

08:17

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
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 05:11, Set: 21:24, Transit: 13:18. Moon - Rise: 00:27, Set: 08:17. Civil Dark: 22:08 - 04:27. Nautical Dark: 23:12 - 03:23. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

94
19
90
59
96
77
92
92
90
89
96
99
100
94
75
62
53
47
59
81
98
87
77
66

Low Clouds (% Sky Obscured)

69
19
69
55
74
65
71
70
69
64
62
58
54
58
60
36
29
24
42
63
84
72
62
55

Medium Clouds (% Sky Obscured)

13
16
20
29
28
27
24
19
16
19
22
26
93
53
30
8
17
22
27
31
40
33
24
18

High Clouds (% Sky Obscured)

0
0
0
1
2
3
3
3
3
29
73
98
100
94
75
34
36
37
50
60
71
46
41
32

ISS Passover

Visibility (miles)

9
9
8
9
9
8
9
9
7
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
Very Light Rain
None
None
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

20
37
43
37
33
42
35
36
43
37
36
39
40
37
40
34
32
32
29
27
24
23
22
21

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

24
22
22
20
18
17
16
16
17
17
17
17
18
18
18
18
21
22
22
22
21
21
20
19

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

66
73
81
83
84
84
87
87
84
84
83
84
81
79
76
75
71
68
63
61
61
59
60
61

Pressure (mb)

1004
1004
1004
1004
1004
1004
1004
1004
1004
1004
1004
1004
1004
1005
1005
1005
1008
1009
1009
1010
1010
1011
1011
1011

Ozone (du)

385
393
398
399
392
387
384
385
383
385
387
385
383
384
384
386
386
386
386
382
378
374
371
369

Thursday 4

Waning Gibbous 80%

00:51

09:30

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
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 05:10, Set: 21:25, Transit: 13:18. Moon - Rise: 00:51, Set: 09:30. Civil Dark: 22:09 - 04:26. Nautical Dark: 23:13 - 03:22. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

76
90
100
100
100
100
100
100
100
100
100
100
100
100
100
90
80
69
61
55
46
52
59
65

Low Clouds (% Sky Obscured)

47
39
30
35
37
35
33
45
61
71
82
90
83
75
68
66
65
63
60
54
45
50
59
65

Medium Clouds (% Sky Obscured)

14
17
15
34
53
74
86
94
100
100
100
100
100
100
99
86
70
53
33
15
1
1
0
0

High Clouds (% Sky Obscured)

57
80
100
100
100
100
67
33
0
33
67
100
100
100
97
63
29
5
4
2
0
0
0
0

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

18
18
17
25
35
45
57
67
78
82
89
95
95
95
95
95
88
70
63
56
51
52
50
44

Precipitation Amount (mm)

0
0
0
0
0
0
0.2
0.3
0.5
0.5
0.6
0.7
0.8
0.9
0.8
0.6
0.5
0.3
0.3
0.2
0
0.2
0
0

Wind Speed/Direction (mph)

18
16
14
12
10
9
8
8
9
9
11
12
14
14
15
16
18
20
23
23
24
25
22
21

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

62
63
65
67
72
76
81
80
79
77
83
88
93
95
96
96
93
92
90
90
90
90
87
83

Pressure (mb)

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

Ozone (du)

366
365
364
363
362
360
359
357
356
355
353
351
349
354
358
362
369
375
382
390
398
405
404
403

Friday 5

Waning Gibbous 72%

01:10

10:44

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

Sun - Rise: 05:10, Set: 21:26, Transit: 13:18. Moon - Rise: 01:10, Set: 10:44. Civil Dark: 22:10 - 04:25. Nautical Dark: 23:15 - 03:20. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

67
68
68
71
79
85
68
52
35
33
28
28
33
40
49
56
65
73
84
93
100

Low Clouds (% Sky Obscured)

63
63
65
60
54
47
55
52
35
33
28
28
33
40
49
56
65
73
63
49
36

Medium Clouds (% Sky Obscured)

6
13
18
13
6
0
0
0
0
2
4
6
12
19
24
38
55
65
53
40
28

High Clouds (% Sky Obscured)

1
4
8
8
8
7
4
2
0
1
2
3
30
40
49
55
32
14
45
73
100

ISS Passover

Visibility (miles)

8
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 (%)

40
38
34
30
31
32
25
23
25
23
22
23
19
16
11
10
8
7
12
12
6

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)

23
24
24
25
23
20
17
16
15
14
13
11
10
9
8
7
8
9
10
10
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

9
9
10
11
5
4
3
3
4
4
6
7
8
8
7
7
9
9
10
11
11

Dew Point (°C)

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

Relative Humidity (%)

79
80
81
83
80
80
77
77
79
80
79
79
77
76
73
72
67
64
60
59
58

Pressure (mb)

1004
1006
1008
1009
1011
1013
1015
1016
1017
1018
1018
1019
1019
1020
1021
1021
1022
1022
1023
1023
1023

Ozone (du)

402
400
398
395
393
390
388
385
383
380
379
379
378
375
371
368
366
364
362
361
360

Forecast for Mawgan Porth, Cornwall, United Kingdom (50.46,-5.03)

Generated: 30/05/26 16:14:33. Forecast: 30/05/26 to 05/06/26. Timezone: UTC+1.00