Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 28

Waxing Gibbous 95%

18:49

03:45

04 OK
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: 05:18, Set: 21:17, Transit: 13:18. Moon - Rise: 18:49, Set: 03:45. Civil Dark: 21:59 - 04:36. Nautical Dark: 22:59 - 03:35. Astro Dark: 00:48 - 01:38

Total Clouds (% Sky Obscured)

17
49
63
100
100
100
98
100
100
100
100
97
82
100
46
83
88
88
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

11
3
0
0
6
35
26
44
44
42
58
77
70
53
43
28
13
25
31
23
27
51
42
52

Medium Clouds (% Sky Obscured)

0
0
52
77
79
76
52
71
68
53
14
14
12
10
3
5
5
0
11
30
44
74
100
100

High Clouds (% Sky Obscured)

17
49
63
100
100
100
96
100
58
100
100
53
26
100
46
83
88
87
100
100
100
99
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
7
6
7
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
6
21
13
4
1
0
3
22
37
23
11
18
18
7
3
1
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)

7
7
7
7
9
11
14
15
16
16
15
13
13
13
11
9
6
6
6
5
5
6
5
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

92
93
93
92
90
85
77
70
70
68
75
80
82
83
86
85
86
89
90
90
92
90
93
93

Pressure (mb)

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

Ozone (du)

336
333
331
329
328
327
326
327
325
325
323
329
333
329
328
328
326
327
324
324
324
321
320
318

Friday 29

Waxing Gibbous 98%

20:02

04:07

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 OK
17 Bad
18 OK
19 OK
20 Good
21 Good
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 05:17, Set: 21:18, Transit: 13:18. Moon - Rise: 20:02, Set: 04:07. Civil Dark: 22:01 - 04:35. Nautical Dark: 23:01 - 03:33. Astro Dark: 00:57 - N/A

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
88
70
55
59
46
57
36
44
13
0
47
62
59
88
100
100

Low Clouds (% Sky Obscured)

47
34
41
41
72
63
58
51
51
38
35
43
35
24
0
9
0
0
0
0
3
28
64
53

Medium Clouds (% Sky Obscured)

93
99
85
100
100
100
76
57
48
32
23
16
6
28
26
28
10
0
37
39
36
1
1
2

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
61
54
55
55
46
50
9
2
12
0
33
53
59
88
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
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
0
0
0
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)

8
8
6
5
6
8
8
8
9
9
10
10
10
8
8
6
6
6
5
5
5
6
5
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

92
90
89
86
83
79
74
70
70
71
69
69
69
71
73
75
83
87
89
87
87
87
86
86

Pressure (mb)

1022
1022
1023
1023
1023
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1023
1023

Ozone (du)

318
318
316
316
317
318
319
321
322
324
325
327
331
333
333
329
327
327
328
329
330
330
330
330

Saturday 30

Waxing Gibbous 100%

21:11

04:07

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: 21:19, Transit: 13:18. Moon - Rise: 21:11, Set: 04:07. Civil Dark: 22:02 - 04:34. Nautical Dark: 23:02 - 03:32. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
98
100
93
96
70
51
64
76
86
99
100
100
100
97
93
92
99
98
95
100
91
91
99

Low Clouds (% Sky Obscured)

36
0
0
0
0
22
29
40
39
58
66
53
62
56
87
89
89
89
78
88
98
81
61
48

Medium Clouds (% Sky Obscured)

38
6
5
55
92
52
23
61
54
79
86
56
52
74
49
49
21
20
34
18
17
31
51
70

High Clouds (% Sky Obscured)

100
90
97
93
90
70
50
57
60
62
34
49
30
25
0
0
2
52
51
45
48
44
54
96

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
0
0
0
1
2
4
2
0
0
0
0
0
1
1
2
4
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)

5
4
4
3
3
5
6
7
8
9
10
11
12
12
11
12
12
11
10
9
10
10
11
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
86
83
82
76
69
66
64
64
62
61
62
65
69
69
72
79
80
90
90
95
93
89
95

Pressure (mb)

1023
1022
1022
1022
1022
1022
1022
1022
1022
1021
1021
1021
1021
1020
1020
1020
1020
1020
1020
1019
1019
1019
1019
1019

Ozone (du)

328
328
327
330
330
330
332
334
336
341
346
353
358
362
363
362
363
366
371
363
356
350
344
340

Sunday 31

Full Moon 99%

22:16

04:37

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: 21:20, Transit: 13:18. Moon - Rise: 22:16, Set: 04:37. Civil Dark: 22:03 - 04:33. Nautical Dark: 23:04 - 03:31. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

99
99
98
95
91
89
72
83
62
58
65
64
68
67
67
78
87
85
97
99
100
100
100
100

Low Clouds (% Sky Obscured)

52
59
66
61
56
54
50
46
45
44
43
44
47
50
53
64
67
75
72
71
69
86
91
91

Medium Clouds (% Sky Obscured)

72
74
87
85
80
74
55
68
41
33
29
18
17
15
13
17
14
15
15
12
10
17
23
29

High Clouds (% Sky Obscured)

92
85
77
64
66
65
8
0
0
0
0
0
5
8
13
27
37
15
69
88
100
98
95
92

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 (%)

7
8
8
12
15
19
19
15
8
4
2
7
0
0
0
0
0
0
2
3
0
4
8
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
14
13
13
13
13
13
14

Relative Humidity (%)

96
95
96
95
90
87
83
81
79
79
79
78
78
78
81
83
89
95
96
95
95
95
95
93

Pressure (mb)

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

Ozone (du)

335
335
335
335
335
332
333
335
333
335
335
334
331
329
328
325
325
325
324
323
323
323
324
325

Monday 1

Waning Gibbous 97%

23:10

05:17

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: 05:15, Set: 21:21, Transit: 13:18. Moon - Rise: 23:10, Set: 05:17. Civil Dark: 22:04 - 04:32. Nautical Dark: 23:06 - 03:29. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
97
94
91
88
84
80
97
95
94
94
86
83
76
73
71

Low Clouds (% Sky Obscured)

92
93
94
96
97
100
96
92
87
85
81
78
77
77
77
93
90
87
83
78
74
74
73
71

Medium Clouds (% Sky Obscured)

30
36
45
95
99
99
92
86
83
88
66
81
39
68
66
69
46
29
36
39
40
29
14
9

High Clouds (% Sky Obscured)

93
96
100
100
100
100
96
100
100
73
47
25
15
20
30
36
27
23
37
58
70
40
20
0

ISS Passover

Visibility (miles)

9
9
9
9
9
4
9
9
9
9
6
6
2
6
2
2
4
7
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
Very Light Rain
None
None
None
None
None
None
None
None

Precipitation Probability (%)

61
81
95
95
95
95
95
95
92
95
95
49
53
38
47
59
47
30
24
19
21
28
30
31

Precipitation Amount (mm)

0.2
0.4
0.6
0.7
0.6
0.9
0.8
0.8
0.6
1.7
0.7
0
0
0
0
0.2
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

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

Pressure (mb)

1017
1016
1016
1015
1015
1015
1015
1014
1014
1013
1013
1012
1012
1011
1011
1011
1012
1011
1011
1011
1011
1011
1011
1010

Ozone (du)

325
324
325
327
327
329
334
336
337
341
343
348
351
356
359
365
371
377
383
385
387
389
390
392

Tuesday 2

Waning Gibbous 93%

23:53

06:08

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: 05:14, Set: 21:22, Transit: 13:18. Moon - Rise: 23:53, Set: 06:08. Civil Dark: 22:06 - 04:31. Nautical Dark: 23:07 - 03:28. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

81
89
96
87
78
69
75
85
93
82
70
56
64
60
60
59
62
61
57
52
48
56
67
78

Low Clouds (% Sky Obscured)

81
89
95
87
78
69
74
81
88
80
70
56
64
60
60
59
62
61
57
50
45
52
61
72

Medium Clouds (% Sky Obscured)

5
4
4
4
8
12
30
44
49
56
57
56
54
54
45
38
31
29
15
8
3
7
11
11

High Clouds (% Sky Obscured)

2
3
5
27
52
69
75
85
93
82
70
56
64
33
0
0
1
1
0
0
0
9
13
20

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

Precipitation Probability (%)

34
38
40
46
42
34
32
24
18
21
21
17
23
34
33
60
74
75
74
54
21
19
14
10

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
96
95
93
90
89
86
86
86
86
85
85
85
85
83
83
86
90
93
95
95
95
95
93

Pressure (mb)

1010
1010
1010
1010
1010
1010
1011
1011
1011
1011
1011
1011
1011
1010
1010
1009
1008
1008
1007
1006
1006
1005
1005
1005

Ozone (du)

393
388
384
379
371
362
354
351
348
345
342
340
337
336
335
333
333
334
334
334
335
336
335
335

Wednesday 3

Waning Gibbous 92%

00:26

07:10

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 OK
19 OK
20 OK
21 OK
22 Bad
23 Bad
00 Bad

Sun - Rise: 05:14, Set: 21:23, Transit: 13:18. Moon - Rise: 00:26, Set: 07:10. Civil Dark: 22:07 - 04:30. Nautical Dark: 23:09 - 03:27. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

83
88
93
95
97
97
99
99
99
95
92
88
60
32
8
4
5
5
33
61
88

Low Clouds (% Sky Obscured)

76
80
81
80
73
69
71
74
83
83
81
77
59
32
8
4
5
5
33
60
74

Medium Clouds (% Sky Obscured)

16
21
27
29
31
33
25
20
14
8
4
0
5
8
8
4
5
0
0
0
0

High Clouds (% Sky Obscured)

23
29
34
25
14
0
10
18
21
11
5
1
1
1
0
0
0
0
1
1
2

ISS Passover

Visibility (miles)

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

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 (%)

19
28
37
34
32
29
32
32
22
28
29
24
28
28
28
29
29
26
31
33
35

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)

29
27
24
21
20
19
19
20
21
22
22
22
23
22
21
20
20
19
19
19
19

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
93
95
96
93
92
90
83
78
74
73
72
72
74
75
78
79
79
80
81
83

Pressure (mb)

1005
1005
1006
1006
1007
1007
1007
1007
1007
1007
1007
1007
1007
1007
1007
1007
1007
1007
1007
1007
1007

Ozone (du)

334
336
338
339
340
341
341
343
346
348
354
361
367
369
372
374
376
378
380
387
394

Forecast for Constantine, Cornwall, United Kingdom (50.12,-5.17)

Generated: 28/05/26 04:29:32. Forecast: 28/05/26 to 03/06/26. Timezone: UTC+1.00