Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 15

Waning Crescent 3%

04:38

19:46

12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 OK
18 OK
19 OK
20 Good
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

Sun - Rise: 05:27, Set: 20:59, Transit: 13:14. Moon - Rise: 04:38, Set: 19:46. Civil Dark: 21:39 - 04:46. Nautical Dark: 22:33 - 03:52. Astro Dark: 23:50 - 02:33

Total Clouds (% Sky Obscured)

93
96
96
100
98
41
34
20
0
56
83
87
93
96
100
96
94
100
98
98
99
100
100
100

Low Clouds (% Sky Obscured)

68
62
61
57
40
39
33
20
0
42
37
46
85
65
100
96
91
95
97
81
91
97
91
96

Medium Clouds (% Sky Obscured)

0
0
9
11
2
2
27
20
0
56
70
61
79
84
92
89
84
59
36
33
83
98
97
98

High Clouds (% Sky Obscured)

92
90
96
100
53
8
5
3
0
0
0
0
0
0
0
0
2
45
69
49
72
97
92
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
Light Rain
Light Rain
Very Light Rain
None
None
None
Very Light Rain
None
None

Precipitation Probability (%)

1
0
1
3
10
1
1
0
1
2
4
8
11
16
46
69
67
54
31
18
33
59
50
38

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.5
0.4
0.2
0
0
0
0.3
0
0

Wind Speed/Direction (mph)

14
15
16
17
17
16
15
13
10
7
6
5
4
3
3
4
3
3
3
3
5
7
7
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

6
6
6
4
4
5
5
5
4
3
3
4
3
3
4
5
6
6
6
7
7
7
7
8

Dew Point (°C)

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

Relative Humidity (%)

63
60
58
59
61
61
62
68
73
82
85
88
91
93
93
91
91
91
91
91
91
90
93
91

Pressure (mb)

1011
1011
1012
1012
1011
1011
1011
1011
1012
1012
1012
1012
1012
1012
1011
1011
1011
1010
1010
1010
1010
1010
1010
1010

Ozone (du)

390
385
382
382
382
381
381
381
381
380
378
377
377
379
380
381
382
383
384
383
381
381
380
381

Saturday 16

New Moon 0%

05:11

21:19

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
11 Bad

Sun - Rise: 05:25, Set: 21:00, Transit: 13:14. Moon - Rise: 05:11, Set: 21:19. Civil Dark: 21:41 - 04:45. Nautical Dark: 22:36 - 03:50. Astro Dark: 23:54 - 02:29

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
99
96
97
100
98
95
87
98
100
100
100
100
100
100
78
68
97
100

Low Clouds (% Sky Obscured)

100
77
100
88
77
72
85
91
81
100
95
84
73
74
70
67
56
57
65
61
70
68
69
61

Medium Clouds (% Sky Obscured)

100
100
90
100
97
96
77
86
58
47
42
89
70
52
60
70
75
80
81
99
29
20
77
100

High Clouds (% Sky Obscured)

100
100
89
100
100
98
63
0
1
59
46
47
40
93
100
100
44
77
100
100
55
55
86
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 (%)

37
27
24
31
33
33
44
49
31
15
18
26
24
21
6
5
0
1
12
5
15
15
8
17

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
12
13
12
11
10
10
10
8
6
5
5
8
8
7
6
6
5
8
11
11
11

Chance of Frost

Temperature (°C)

11
10
11
12
12
12
12
11
10
9
9
8
8
8
8
7
7
6
6
7
9
10
10
11

Feels Like (°C)

8
8
8
8
8
8
8
8
7
5
5
5
5
5
5
5
4
5
4
6
6
6
6
7

Dew Point (°C)

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

Relative Humidity (%)

91
93
91
80
72
69
73
87
96
91
91
96
94
93
93
94
93
91
93
90
85
80
72
65

Pressure (mb)

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

Ozone (du)

379
378
379
381
385
387
389
392
395
394
394
395
396
401
405
407
411
410
412
413
413
414
416
419

Sunday 17

Waxing Crescent 1%

05:58

22:48

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
11 Bad

Sun - Rise: 05:24, Set: 21:02, Transit: 13:14. Moon - Rise: 05:58, Set: 22:48. Civil Dark: 21:42 - 04:43. Nautical Dark: 22:38 - 03:48. Astro Dark: 23:58 - 02:25

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
99
100
98
96
95
95
100
100
100
100
100
100
96
100
100
100

Low Clouds (% Sky Obscured)

69
72
67
52
53
62
56
81
62
83
82
75
74
73
74
69
68
68
62
71
78
89
93
97

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
97
100
94
88
87
86
89
92
48
47
52
52
51
87
99
100

High Clouds (% Sky Obscured)

100
84
51
52
52
45
50
50
60
0
0
0
0
0
40
45
49
50
50
50
58
99
83
69

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

9
24
28
31
28
29
36
46
54
65
73
74
91
95
82
63
59
60
48
45
62
65
67
69

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.3
0.3
0.5
0.9
0.6
0.2
0
0.2
0
0
0.3
0.4
0.3
0.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

7
7
6
6
6
6
6
5
4
4
3
3
3
3
3
4
4
5
5
5
7
7
7
7

Dew Point (°C)

4
4
5
6
6
5
6
7
7
7
7
7
7
7
7
7
7
7
7
8
8
8
8
8

Relative Humidity (%)

63
62
64
68
69
67
74
82
85
90
91
94
94
94
98
96
96
95
95
95
95
88
85
84

Pressure (mb)

1013
1013
1013
1013
1012
1012
1012
1012
1012
1012
1012
1012
1012
1011
1011
1011
1011
1010
1010
1011
1011
1011
1011
1010

Ozone (du)

420
419
418
418
421
422
423
422
422
422
418
415
414
417
424
424
417
409
403
396
394
389
385
382

Monday 18

Waxing Crescent 5%

07:03

00:03

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
11 Bad

Sun - Rise: 05:23, Set: 21:03, Transit: 13:14. Moon - Rise: 07:03, Set: 00:03. Civil Dark: 21:44 - 04:42. Nautical Dark: 22:40 - 03:46. Astro Dark: 00:02 - 02:21

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
98
96
95
97
98
100
100
100
100
100
100
100
100
99

Low Clouds (% Sky Obscured)

100
99
99
98
99
99
100
95
90
86
87
87
87
89
92
93
96
98
100
96
93
87
86
61

Medium Clouds (% Sky Obscured)

100
100
99
91
86
95
100
100
100
100
88
78
68
21
23
30
60
100
100
92
95
92
100
93

High Clouds (% Sky Obscured)

53
52
76
89
93
87
100
100
100
100
82
67
75
12
42
100
91
11
0
0
0
45
57
51

ISS Passover

Visibility (miles)

9
9
6
8
9
8
5
2
2
0
0
0
0
0
0
0
9
9
9
9
8
9
8
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

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

Precipitation Probability (%)

77
86
92
95
95
95
95
95
95
95
95
95
93
50
29
25
26
28
12
47
64
83
79
82

Precipitation Amount (mm)

0.4
0.5
0.5
0.7
0.7
1.1
1.7
1
1
1.2
0.6
0.6
0.6
0
0
0
0
0
0
0
0.3
0.7
0.5
0.6

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
95
93
95
95
95
98
98
98
98
98
98
98
98
98
96
95
96
93
95
96
95
93
93

Pressure (mb)

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

Ozone (du)

379
376
373
370
368
368
367
366
368
370
373
383
392
396
389
388
387
389
394
396
401
401
400
397

Tuesday 19

Waxing Crescent 12%

08:25

00:57

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
11 Bad

Sun - Rise: 05:22, Set: 21:05, Transit: 13:14. Moon - Rise: 08:25, Set: 00:57. Civil Dark: 21:46 - 04:40. Nautical Dark: 22:42 - 03:44. Astro Dark: 00:07 - 02:16

Total Clouds (% Sky Obscured)

89
52
36
42
87
73
91
95
95
94
92
90
81
76
71
66
71
74
81
71
61
51
52
54

Low Clouds (% Sky Obscured)

56
52
36
42
78
73
82
86
86
86
74
76
74
76
71
66
71
74
79
71
61
51
52
54

Medium Clouds (% Sky Obscured)

87
52
36
42
59
57
47
47
46
36
33
28
32
24
18
14
20
24
28
18
8
0
18
37

High Clouds (% Sky Obscured)

81
52
31
16
23
9
2
4
4
10
10
14
22
25
23
22
32
34
30
10
4
0
1
1

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
6
5
6
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

79
63
65
73
71
73
82
60
46
44
36
28
19
26
25
8
12
10
7
14
14
12
17
16

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

13
14
14
14
14
14
14
13
13
12
12
11
10
10
10
10
9
10
11
11
13
14
16
16

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
79
71
71
78
84
83
84
86
86
89
95
96
98
96
98
98
98
98
98
90
84
79
79

Pressure (mb)

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

Ozone (du)

392
392
391
392
383
379
375
371
369
367
364
361
356
354
351
348
346
345
344
343
342
341
339
338

Wednesday 20

Waxing Crescent 21%

09:52

01:33

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
11 Bad

Sun - Rise: 05:20, Set: 21:06, Transit: 13:14. Moon - Rise: 09:52, Set: 01:33. Civil Dark: 21:47 - 04:39. Nautical Dark: 22:44 - 03:42. Astro Dark: 00:12 - 02:11

Total Clouds (% Sky Obscured)

60
75
87
99
100
100
100
100
100
98
97
96
95
95
95
100
100
100
100
99
98
97
98
99

Low Clouds (% Sky Obscured)

60
75
87
92
88
96
94
89
83
78
82
85
88
92
95
100
100
100
100
98
96
93
96
98

Medium Clouds (% Sky Obscured)

55
40
26
10
12
8
7
8
12
19
34
40
50
58
52
50
38
21
12
16
20
26
42
59

High Clouds (% Sky Obscured)

1
13
25
37
58
79
100
96
86
78
61
53
38
47
56
64
50
31
9
12
15
17
11
6

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
16
14
10
8
6
5
4
3
0
1
0
0
11
12
12
9
4
0
0
1
0
3
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)

14
14
14
14
13
12
11
10
9
8
8
8
8
8
8
8
8
7
7
6
8
10
12
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

79
78
77
75
75
79
82
86
89
92
96
95
95
95
96
95
93
93
93
92
89
84
82
79

Pressure (mb)

1020
1020
1021
1021
1022
1022
1022
1022
1023
1023
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024

Ozone (du)

337
336
336
335
334
335
335
335
337
338
339
339
339
339
339
338
338
338
337
337
336
336
335
339

Thursday 21

Waxing Crescent 31%

11:18

01:59

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

Sun - Rise: 05:19, Set: 21:07, Transit: 13:14. Moon - Rise: 11:18, Set: 01:59. Civil Dark: 21:49 - 04:38. Nautical Dark: 22:46 - 03:40. Astro Dark: 00:17 - 02:06

Total Clouds (% Sky Obscured)

100
90
80
70
79
86
92
78
65
58
76
87
98
90
81
70
67
60
47

Low Clouds (% Sky Obscured)

100
86
76
67
58
48
37
39
38
38
39
43
48
41
34
28
22
16
11

Medium Clouds (% Sky Obscured)

74
62
51
43
41
36
31
34
38
39
32
22
17
15
14
9
11
13
16

High Clouds (% Sky Obscured)

0
4
2
2
30
58
84
67
53
52
69
81
97
90
81
70
67
60
47

ISS Passover

Visibility (miles)

8
7
7
7
7
8
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

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

3
3
3
3
1
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

79
78
77
78
78
78
79
82
82
84
86
86
89
89
92
93
95
93
92

Pressure (mb)

1024
1024
1024
1024
1023
1023
1023
1022
1022
1022
1022
1022
1022
1021
1021
1021
1020
1020
1020

Ozone (du)

343
348
346
345
343
343
343
342
343
344
345
345
346
347
346
346
345
345
344

Forecast for Upton, Cornwall, United Kingdom (50.54,-4.43)

Generated: 15/05/26 12:29:03. Forecast: 15/05/26 to 21/05/26. Timezone: UTC+1.00