Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 25

Waning Gibbous 96%

22:40

06:09

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

Sun - Rise: 05:34, Set: 20:18, Transit: 12:57. Moon - Rise: 22:40, Set: 06:09. Civil Dark: 20:57 - 04:55. Nautical Dark: 21:47 - 04:05. Astro Dark: 22:50 - 03:01

Total Clouds (% Sky Obscured)

98
85
72
39
3
3
23
40
53
56
59
66
66
94
99
94
81
99
100
69
66
67
97
88

Low Clouds (% Sky Obscured)

46
28
1
1
1
1
22
39
54
56
59
51
51
90
95
85
50
70
68
46
51
51
39
32

Medium Clouds (% Sky Obscured)

35
0
0
0
0
2
0
0
0
0
0
0
0
0
32
27
46
55
59
57
57
63
93
63

High Clouds (% Sky Obscured)

2
2
3
2
2
3
3
5
3
5
5
37
65
52
38
23
54
70
66
34
38
44
78
81

ISS Passover

Visibility (miles)

7
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
4
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
None
None
None

Precipitation Probability (%)

0
0
0
0
1
1
1
2
1
2
2
2
4
9
28
57
61
50
47
47
39
28
9
4

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.4
0.3
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

7
6
5
4
2
2
1
1
0
0
0
0
2
4
6
8
8
8
9
9
9
9
9
8

Feels Like (°C)

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

Dew Point (°C)

4
3
2
2
1
0
0
0
-0
-0
0
0
1
3
4
5
3
3
4
2
1
2
3
3

Relative Humidity (%)

82
83
85
88
89
91
93
94
96
96
98
98
96
91
86
84
71
67
70
61
58
59
64
69

Pressure (mb)

1001
1002
1002
1002
1002
1002
1002
1002
1002
1002
1002
1002
1002
1003
1003
1003
1003
1003
1004
1004
1004
1004
1004
1004

Ozone (du)

432
433
433
435
436
437
437
435
433
431
430
430
432
434
434
430
432
436
438
439
438
436
439
440

Friday 26

Waning Gibbous 91%

00:00

06:37

19 Bad
20 Bad
21 OK
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
18 Bad

Sun - Rise: 05:32, Set: 20:20, Transit: 12:57. Moon - Rise: 00:00, Set: 06:37. Civil Dark: 20:59 - 04:53. Nautical Dark: 21:50 - 04:02. Astro Dark: 22:53 - 02:57

Total Clouds (% Sky Obscured)

68
55
22
100
96
100
100
100
100
100
100
100
100
99
92
99
96
92
94
97
100
100
100
100

Low Clouds (% Sky Obscured)

21
20
21
29
34
40
40
43
40
54
71
73
65
72
73
98
93
87
83
81
80
65
64
52

Medium Clouds (% Sky Obscured)

26
52
3
100
82
100
86
99
100
100
100
100
100
92
80
78
81
58
28
37
39
66
100
100

High Clouds (% Sky Obscured)

53
3
5
33
78
97
100
98
100
100
100
100
100
95
73
70
38
15
76
89
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
4
7
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
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None

Precipitation Probability (%)

1
1
1
1
1
1
1
3
6
9
21
28
36
44
51
47
34
24
16
3
4
2
1
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

3
3
2
2
1
1
1
0
1
1
1
1
2
2
3
3
4
4
5
5
5
5
5
5

Dew Point (°C)

3
4
3
3
2
3
2
2
2
2
2
2
3
4
4
6
7
7
7
8
8
8
7
7

Relative Humidity (%)

74
82
86
89
85
86
83
83
82
82
80
80
81
81
81
88
93
93
91
91
88
90
85
88

Pressure (mb)

1004
1005
1005
1005
1005
1005
1005
1005
1005
1004
1004
1004
1004
1004
1005
1005
1005
1005
1005
1005
1005
1005
1005
1005

Ozone (du)

441
443
446
449
449
447
443
443
441
440
441
440
444
446
443
442
442
442
438
435
433
431
428
426

Saturday 27

Waning Gibbous 83%

01:14

07:20

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
18 Bad

Sun - Rise: 05:30, Set: 20:22, Transit: 12:57. Moon - Rise: 01:14, Set: 07:20. Civil Dark: 21:01 - 04:51. Nautical Dark: 21:52 - 03:59. Astro Dark: 22:57 - 02:53

Total Clouds (% Sky Obscured)

100
98
95
90
95
99
100
100
100
100
100
100
100
100
100
100
99
97
78
61
40
49
54
56

Low Clouds (% Sky Obscured)

47
45
45
54
49
61
70
76
80
77
83
91
89
81
84
100
80
60
52
44
32
24
19
10

Medium Clouds (% Sky Obscured)

100
96
82
85
90
97
100
100
100
100
89
75
100
100
100
100
79
86
68
20
28
23
22
31

High Clouds (% Sky Obscured)

100
15
55
47
68
83
100
100
100
100
100
100
100
100
100
100
86
85
62
45
30
2
2
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
4
1
1
0
1
9
3
8
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
Very Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
2
5
8
26
19
36
57
92
93
91
91
95
95
73
56
49
50
40
40
30
21
11
13

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
91
93
94
94
94
98
98
98
98
98
98
96
96
96
96
96
96
96
95
96
96
95
93

Pressure (mb)

1004
1005
1005
1004
1004
1004
1003
1003
1002
1002
1002
1002
1002
1002
1003
1004
1004
1005
1006
1007
1007
1008
1009
1009

Ozone (du)

427
429
430
428
427
428
429
434
436
434
435
438
438
439
440
442
442
442
444
442
441
441
440
442

Sunday 28

Waning Gibbous 74%

02:13

08:21

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

Sun - Rise: 05:28, Set: 20:24, Transit: 12:57. Moon - Rise: 02:13, Set: 08:21. Civil Dark: 21:03 - 04:48. Nautical Dark: 21:55 - 03:56. Astro Dark: 23:01 - 02:49

Total Clouds (% Sky Obscured)

49
46
42
43
29
29
30
31
30
29
27
24
44
57
76
63
52
44
49
66
79
87
94
64

Low Clouds (% Sky Obscured)

7
3
0
11
23
32
35
35
34
33
30
26
27
30
35
28
19
11
16
21
34
30
31
15

Medium Clouds (% Sky Obscured)

29
51
56
53
6
0
0
0
0
0
0
0
17
33
45
37
28
20
22
26
25
17
8
0

High Clouds (% Sky Obscured)

2
2
0
0
0
0
0
0
0
3
2
2
20
27
34
23
15
0
0
0
0
18
40
60

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 (%)

9
8
11
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
12
3
4
4
4

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

Chance of Frost

Temperature (°C)

11
9
8
7
6
5
5
4
4
4
4
4
4
6
8
10
11
12
13
14
14
15
14
14

Feels Like (°C)

9
7
5
3
2
4
3
3
2
2
2
2
4
4
6
8
9
10
10
11
11
11
12
12

Dew Point (°C)

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

Relative Humidity (%)

93
95
95
94
96
96
93
91
89
86
88
94
93
84
79
73
65
62
58
57
55
64
69
72

Pressure (mb)

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

Ozone (du)

441
438
435
432
434
439
439
435
436
437
436
435
433
433
434
439
440
439
439
436
435
435
438
439

Monday 29

Waning Gibbous 64%

02:55

09:39

19 OK
20 OK
21 Good
22 Bad
23 Bad
00 OK
01 OK
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
18 Bad

Sun - Rise: 05:26, Set: 20:25, Transit: 12:57. Moon - Rise: 02:55, Set: 09:39. Civil Dark: 21:05 - 04:46. Nautical Dark: 21:57 - 03:54. Astro Dark: 23:05 - 02:45

Total Clouds (% Sky Obscured)

41
21
6
57
60
16
26
61
56
62
63
81
77
89
100
100
100
100
99
99
99
99
99
100

Low Clouds (% Sky Obscured)

9
4
1
8
14
21
21
20
18
29
40
51
42
40
36
50
63
76
75
77
76
76
76
76

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
6
15
73
59
78
97
96
95
93
86
79
73
82
90
99

High Clouds (% Sky Obscured)

38
21
4
52
51
3
17
60
60
53
42
52
89
93
98
93
87
83
81
75
75
80
90
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
8
6
4
5
6
6
7
8
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
Very Light Rain
None
None
None
None
Very Light Rain
None

Precipitation Probability (%)

1
1
0
0
0
0
0
0
0
1
0
0
16
23
27
37
46
54
48
42
39
50
54
49

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

72
79
85
91
93
93
93
93
91
90
91
93
90
88
87
84
89
92
95
93
92
90
93
95

Pressure (mb)

1016
1016
1017
1017
1017
1017
1017
1017
1017
1017
1016
1016
1016
1016
1016
1015
1015
1015
1014
1014
1013
1013
1013
1013

Ozone (du)

435
434
434
424
421
422
424
424
423
422
420
419
421
422
424
426
424
423
421
419
417
415
417
418

Tuesday 30

Waning Gibbous 53%

03:23

11:08

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
18 Bad

Sun - Rise: 05:24, Set: 20:27, Transit: 12:57. Moon - Rise: 03:23, Set: 11:08. Civil Dark: 21:07 - 04:44. Nautical Dark: 22:00 - 03:51. Astro Dark: 23:09 - 02:40

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
98
96
93
91
91
92
94
96
97
97
98
98
98
97
91

Low Clouds (% Sky Obscured)

78
79
78
77
73
71
64
55
44
34
27
19
39
59
79
81
84
86
90
91
93
90
85
81

Medium Clouds (% Sky Obscured)

99
99
99
92
86
80
80
77
75
79
78
77
59
41
17
19
21
23
18
12
5
4
4
3

High Clouds (% Sky Obscured)

86
68
55
57
56
55
68
84
100
77
53
31
33
36
41
57
72
87
78
72
65
70
65
60

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
7
4
1
2
3
4
4
4
4
6
7
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
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

45
39
29
24
17
6
29
38
44
37
32
37
30
20
4
24
27
29
18
18
25
23
12
1

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

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

Pressure (mb)

1013
1014
1014
1014
1015
1015
1015
1015
1015
1015
1015
1016
1016
1016
1016
1017
1017
1017
1017
1017
1017
1017
1017
1017

Ozone (du)

419
421
424
426
422
417
412
408
405
401
400
399
398
399
399
400
398
396
394
394
393
393
392
391

Wednesday 1

Third Quarter 41%

03:43

12:39

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: 05:22, Set: 20:29, Transit: 12:56. Moon - Rise: 03:43, Set: 12:39. Civil Dark: 21:09 - 04:42. Nautical Dark: 22:02 - 03:48. Astro Dark: 23:13 - 02:36

Total Clouds (% Sky Obscured)

91
95
97
98
99
100
98
96
93
95
96
97
97
96
96
96
98
98

Low Clouds (% Sky Obscured)

83
86
87
88
87
88
89
88
86
89
92
95
92
89
90
89
88
89

Medium Clouds (% Sky Obscured)

2
2
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

67
69
70
69
69
68
53
36
23
16
9
3
7
12
16
18
20
22

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

4
4
0
0
0
0
0
0
0
6
7
3
6
6
0
3
3
2

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

9
7
7
7
7
7
6
6
6
6
6
6
6
6
6
6
7
7

Dew Point (°C)

10
9
9
8
8
8
8
8
8
8
8
8
8
8
9
9
9
10

Relative Humidity (%)

93
93
93
91
91
91
90
90
91
91
91
90
90
88
88
88
86
86

Pressure (mb)

1017
1018
1018
1019
1019
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018

Ozone (du)

390
389
388
387
387
386
385
384
383
382
382
381
381
379
378
376
376
376

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

Generated: 25/04/24 19:56:37. Forecast: 25/04/24 to 01/05/24. Timezone: UTC+1.00