Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 13

Waning Crescent 9%

03:36

18:03

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
16 Bad
17 Bad

Sun - Rise: 05:02, Set: 20:48, Transit: 12:56. Moon - Rise: 03:36, Set: 18:03. Civil Dark: 21:32 - 04:18. Nautical Dark: 22:32 - 03:17. Astro Dark: 00:19 - 01:21

Total Clouds (% Sky Obscured)

89
92
93
73
58
41
53
68
72
85
91
70
50
82
65
56
70
80
83
100
100
90
83
77

Low Clouds (% Sky Obscured)

61
32
42
38
54
33
32
56
71
84
91
70
50
82
64
35
57
68
68
78
67
78
63
60

Medium Clouds (% Sky Obscured)

89
87
92
73
17
14
25
51
44
70
3
3
3
5
37
44
27
75
78
100
100
79
70
55

High Clouds (% Sky Obscured)

1
8
21
11
3
4
10
19
15
2
3
2
3
3
0
0
0
3
3
17
6
3
3
3

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

95
95
95
7
5
5
5
9
34
23
11
9
8
7
8
26
61
83
83
88
84
75
58
41

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.6
0.6
0.7
0.6
0.5
0.2
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

6
6
4
3
2
2
2
1
-0
0
1
2
1
2
4
5
7
9
7
6
7
7
6
6

Dew Point (°C)

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

Relative Humidity (%)

81
84
87
94
94
98
96
93
96
93
93
96
96
93
88
81
68
58
61
69
69
69
73
71

Pressure (mb)

999
999
1000
1000
1000
1000
1001
1001
1001
1001
1001
1001
1001
1001
1001
1001
1001
1001
1001
1001
1001
1001
1001
1001

Ozone (du)

439
437
437
434
432
433
438
440
440
438
438
439
441
441
440
440
438
435
434
433
435
438
440
441

Thursday 14

Waning Crescent 3%

03:50

18:03

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
16 Bad
17 Bad

Sun - Rise: 05:00, Set: 20:50, Transit: 12:56. Moon - Rise: 03:50, Set: 18:03. Civil Dark: 21:34 - 04:16. Nautical Dark: 22:35 - 03:14. Astro Dark: 00:31 - N/A

Total Clouds (% Sky Obscured)

89
90
90
98
96
100
100
100
100
97
96
90
85
99
99
97
94
95
98
81
90
94
91
98

Low Clouds (% Sky Obscured)

76
69
53
35
41
50
45
23
29
27
30
0
0
0
14
50
58
44
60
29
10
79
59
69

Medium Clouds (% Sky Obscured)

72
80
72
88
94
99
99
100
100
94
93
90
85
99
96
82
82
92
94
75
89
81
72
94

High Clouds (% Sky Obscured)

9
5
81
91
74
100
100
98
100
65
35
30
46
60
96
83
50
5
3
54
32
3
34
31

ISS Passover

Visibility (miles)

7
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

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

Precipitation Probability (%)

49
52
24
3
3
3
2
3
3
2
2
2
2
2
2
3
18
23
9
22
12
6
7
16

Precipitation Amount (mm)

0.2
0.3
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
11
10
7
7
7
7
7
7
8
9
9
9
10
12
13
13
12
13
12
12
12
11
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

7
5
4
3
2
2
1
1
1
1
1
1
1
2
2
4
4
5
6
6
7
7
8
8

Dew Point (°C)

6
6
5
5
4
4
4
4
3
3
4
4
4
4
3
3
2
2
2
1
2
2
2
2

Relative Humidity (%)

74
81
84
90
93
93
93
93
91
91
91
93
91
86
76
68
60
58
54
50
51
52
50
48

Pressure (mb)

1002
1002
1003
1003
1004
1004
1004
1005
1005
1005
1005
1005
1005
1006
1006
1007
1007
1007
1007
1007
1007
1007
1007
1007

Ozone (du)

440
437
433
430
428
427
426
424
423
421
421
423
424
422
419
416
414
414
414
415
415
417
418
419

Friday 15

Waning Crescent 0%

04:09

19:38

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 Good
08 OK
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad

Sun - Rise: 04:59, Set: 20:52, Transit: 12:56. Moon - Rise: 04:09, Set: 19:38. Civil Dark: 21:36 - 04:15. Nautical Dark: 22:38 - 03:12. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

92
95
81
75
62
70
77
76
79
84
39
49
44
5
39
51
36
74
94
96
98
100
91
96

Low Clouds (% Sky Obscured)

48
72
74
63
42
32
25
21
21
15
2
2
2
2
39
38
5
45
48
61
76
95
82
77

Medium Clouds (% Sky Obscured)

76
63
48
36
26
19
21
21
18
19
13
13
13
1
0
16
19
34
37
43
49
47
47
89

High Clouds (% Sky Obscured)

3
2
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
3
0
0
0
1
26

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
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 (%)

28
19
11
8
3
3
5
6
6
3
1
1
1
5
11
28
25
14
22
12
21
10
12
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)

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

Chance of Frost

Temperature (°C)

11
10
8
7
6
5
6
5
5
5
5
4
4
6
8
10
11
12
13
13
13
12
12
13

Feels Like (°C)

7
8
6
4
4
5
3
3
3
2
2
2
3
5
7
8
9
9
10
9
9
8
8
11

Dew Point (°C)

4
5
5
3
3
3
2
2
2
2
3
3
3
4
4
4
3
3
3
3
3
5
4
3

Relative Humidity (%)

59
73
77
79
82
82
75
79
79
80
85
93
94
85
74
67
59
55
51
51
53
60
55
52

Pressure (mb)

1007
1008
1008
1009
1009
1009
1009
1008
1008
1008
1008
1008
1008
1008
1009
1009
1008
1008
1008
1008
1008
1008
1007
1007

Ozone (du)

420
423
425
427
430
434
435
435
435
436
431
421
415
413
410
409
408
407
406
404
402
403
404
402

Saturday 16

New Moon 1%

04:37

21:15

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
16 Bad
17 Bad

Sun - Rise: 04:57, Set: 20:53, Transit: 12:56. Moon - Rise: 04:37, Set: 21:15. Civil Dark: 21:37 - 04:13. Nautical Dark: 22:40 - 03:09. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

97
98
99
100
96
93
86
91
94
97
98
99
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

76
83
84
85
77
71
55
65
68
70
71
73
74
65
57
53
59
65
67
64
57
51
53
56

Medium Clouds (% Sky Obscured)

97
98
89
72
80
87
76
79
90
94
96
98
100
100
100
100
100
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

20
2
1
0
0
5
1
0
1
1
28
63
100
91
85
75
84
91
100
92
83
75
81
89

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
3
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
Very Light Rain
None
None
None
Very Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
Very Light Rain
Light Rain

Precipitation Probability (%)

38
31
34
37
34
24
12
7
6
11
28
39
44
41
39
43
57
68
79
70
61
60
62
69

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

9
8
7
6
6
6
6
5
5
5
5
5
6
6
7
7
8
8
9
11
8
8
8
8

Dew Point (°C)

5
7
7
7
7
7
7
7
7
7
7
7
7
8
9
9
9
10
10
10
10
9
9
8

Relative Humidity (%)

60
76
81
85
87
90
90
93
90
91
91
91
91
93
95
88
91
95
95
80
88
83
83
79

Pressure (mb)

1007
1007
1007
1008
1008
1008
1008
1008
1007
1007
1007
1007
1008
1008
1008
1008
1008
1008
1008
1007
1007
1007
1008
1007

Ozone (du)

400
401
400
400
400
399
399
403
406
411
411
406
405
403
403
405
407
410
416
418
420
421
423
426

Sunday 17

Waxing Crescent 5%

05:21

22:48

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
16 Bad
17 Bad

Sun - Rise: 04:56, Set: 20:55, Transit: 12:56. Moon - Rise: 05:21, Set: 22:48. Civil Dark: 21:39 - 04:11. Nautical Dark: 22:43 - 03:07. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
100
100
100
88
91
76
61
63
64
51
62
100
56
76
100
100
100
99
93
88
83
85
87

Low Clouds (% Sky Obscured)

60
58
55
55
44
46
45
45
43
41
51
62
78
5
10
16
19
22
25
24
24
30
29
28

Medium Clouds (% Sky Obscured)

100
100
100
100
72
78
55
34
31
20
33
49
100
56
74
76
64
56
49
41
34
32
42
49

High Clouds (% Sky Obscured)

98
99
54
55
44
25
10
8
13
16
23
47
91
56
72
81
71
61
51
43
34
21
21
19

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

75
76
73
71
60
44
12
10
6
2
3
7
13
43
55
54
44
33
26
30
33
39
43
43

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

7
7
5
5
6
6
7
7
8
8
7
8
8
8
7
8
9
10
11
12
13
13
13
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

8
8
8
7
6
5
5
4
4
3
2
4
4
4
5
5
7
6
7
6
13
12
12
13

Dew Point (°C)

7
8
7
7
7
6
6
6
5
5
4
5
6
6
7
8
10
9
10
10
9
9
9
10

Relative Humidity (%)

73
81
82
85
87
91
93
93
94
96
94
96
98
93
95
93
95
86
79
73
70
68
66
70

Pressure (mb)

1007
1007
1008
1008
1008
1008
1007
1007
1007
1007
1007
1007
1007
1007
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012

Ozone (du)

432
434
439
440
439
439
438
436
436
436
437
438
436
433
434
434
434
429
425
420
413
406
399
396

Monday 18

Waxing Crescent 12%

06:26

00:03

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
16 Bad
17 Bad

Sun - Rise: 04:54, Set: 20:56, Transit: 12:56. Moon - Rise: 06:26, Set: 00:03. Civil Dark: 21:41 - 04:09. Nautical Dark: 22:45 - 03:04. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

85
90
95
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
98
96
94
90
87

Low Clouds (% Sky Obscured)

24
31
36
42
42
45
47
55
65
85
84
84
80
81
62
55
55
54
54
62
72
86
89
87

Medium Clouds (% Sky Obscured)

48
43
42
40
57
75
89
89
91
93
95
98
99
99
98
98
80
63
50
64
74
84
73
59

High Clouds (% Sky Obscured)

19
44
73
100
95
88
82
70
57
45
51
62
68
70
76
81
83
83
85
65
41
17
12
7

ISS Passover

Visibility (miles)

8
9
9
9
9
9
9
9
9
9
9
8
6
5
6
8
9
8
7
6
6
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
None
None
None
Very Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
None
None
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

43
42
42
36
31
22
0
4
5
3
20
33
47
62
71
73
62
53
43
49
55
63
60
56

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

15
14
13
12
10
10
9
9
9
9
8
9
9
9
10
11
12
13
14
15
15
16
16
16

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

74
79
83
87
90
93
95
96
98
96
95
95
96
96
96
96
96
93
92
89
86
85
82
82

Pressure (mb)

1012
1012
1012
1012
1013
1013
1013
1013
1013
1013
1013
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012

Ozone (du)

393
390
392
395
397
397
397
398
397
396
395
394
392
390
392
393
395
396
396
397
395
393
392
392

Tuesday 19

Waxing Crescent 21%

07:49

00:55

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

Sun - Rise: 04:53, Set: 20:58, Transit: 12:56. Moon - Rise: 07:49, Set: 00:55. Civil Dark: 21:43 - 04:08. Nautical Dark: 22:48 - 03:02. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

83
85
86
86
81
78
75
69
63
59
60
59
56
65
72
80
85
90
96

Low Clouds (% Sky Obscured)

83
85
81
73
67
60
54
52
50
48
49
51
48
51
56
60
71
83
94

Medium Clouds (% Sky Obscured)

45
38
34
43
45
46
43
32
20
9
17
28
37
41
42
36
35
34
33

High Clouds (% Sky Obscured)

1
5
12
18
16
9
2
13
25
32
28
16
4
3
0
0
0
0
2

ISS Passover

Visibility (miles)

8
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

Precipitation Type

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

Precipitation Probability (%)

53
42
32
21
22
17
5
4
2
0
0
1
0
0
0
0
6
9
12

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
80
84
89
96
95
96
95
95
95
95
95
95
93
87
80
74
74
73

Pressure (mb)

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

Ozone (du)

393
394
392
389
387
384
382
380
379
378
377
377
378
379
373
366
360
357
355

Forecast for Boston, Lincolnshire, United Kingdom (52.98,-0.02)

Generated: 13/05/26 18:52:39. Forecast: 13/05/26 to 19/05/26. Timezone: UTC+1.00