Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 28

Waning Gibbous 81%

01:54

07:29

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 Good
19 Good
20 Good
21 OK
22 Good
23 Good
00 Good
01 Good
02 Good
03 Good
04 Good

Sun - Rise: 05:31, Set: 20:14, Transit: 12:52. Moon - Rise: 01:54, Set: 07:29. Civil Dark: 20:52 - 04:51. Nautical Dark: 21:40 - 04:02. Astro Dark: 22:39 - 03:02

Total Clouds (% Sky Obscured)

89
92
94
84
98
96
97
100
97
100
99
96
58
4
5
4
6
5
5
12
9
2
0
12

Low Clouds (% Sky Obscured)

76
80
76
75
90
95
98
100
95
100
97
85
41
2
1
1
6
7
7
18
11
3
0
14

Medium Clouds (% Sky Obscured)

5
16
3
66
43
32
12
19
34
38
41
38
0
0
3
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

35
72
12
38
20
5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
0
0
4

ISS Passover

Visibility (miles)

9
9
9
9
9
9
7
9
9
0
0
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
Light Rain
None
None
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

78
95
55
53
56
51
35
24
23
18
24
9
12
4
3
0
0
2
0
0
0
0
0
0

Precipitation Amount (mm)

0.3
1.9
0
0
0.3
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

10
11
13
14
19
17
15
21
19
18
16
14
12
12
13
11
10
10
9
9
9
8
8
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

6
6
6
6
6
6
6
2
2
3
4
5
6
7
7
6
6
5
6
6
6
5
6
5

Dew Point (°C)

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

Relative Humidity (%)

93
91
95
92
92
88
84
90
91
95
95
91
78
77
81
82
88
91
94
94
94
94
94
94

Pressure (mb)

998
998
998
999
999
999
1000
1002
1005
1007
1008
1009
1010
1010
1011
1012
1013
1014
1014
1014
1015
1015
1015
1015

Ozone (du)

447
456
459
462
461
454
444
436
432
434
435
441
452
454
453
448
443
443
445
449
444
447
449
445

Monday 29

Waning Gibbous 74%

02:38

08:30

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

Sun - Rise: 05:29, Set: 20:16, Transit: 12:52. Moon - Rise: 02:38, Set: 08:30. Civil Dark: 20:53 - 04:49. Nautical Dark: 21:42 - 04:00. Astro Dark: 22:42 - 02:59

Total Clouds (% Sky Obscured)

22
49
59
78
77
68
50
83
33
57
61
46
40
24
4
1
10
42
8
2
0
7
5
3

Low Clouds (% Sky Obscured)

9
14
24
50
49
42
41
61
14
13
22
0
0
0
0
0
1
1
0
0
0
8
6
0

Medium Clouds (% Sky Obscured)

0
0
1
37
45
26
3
2
2
10
9
8
2
0
1
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

26
63
70
60
60
52
29
55
25
46
55
50
60
38
4
0
13
69
12
3
0
0
0
5

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

5
5
5
7
7
7
8
9
9
10
10
10
10
10
11
11
9
9
7
7
8
8
8
7

Dew Point (°C)

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

Relative Humidity (%)

94
96
93
87
79
73
70
68
66
67
67
68
71
76
80
87
88
87
87
88
93
93
95
93

Pressure (mb)

1015
1015
1016
1016
1017
1017
1017
1017
1017
1017
1016
1016
1016
1016
1016
1016
1017
1017
1016
1016
1016
1015
1015
1015

Ozone (du)

441
442
443
443
443
443
442
441
440
434
428
427
427
427
426
426
428
430
431
434
434
435
435
434

Tuesday 30

Waning Gibbous 64%

03:09

09:46

05 OK
06 OK
07 OK
08 OK
09 OK
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
04 Bad

Sun - Rise: 05:27, Set: 20:17, Transit: 12:52. Moon - Rise: 03:09, Set: 09:46. Civil Dark: 20:55 - 04:47. Nautical Dark: 21:45 - 03:57. Astro Dark: 22:45 - 02:55

Total Clouds (% Sky Obscured)

29
30
30
36
32
99
94
100
100
99
100
95
93
97
97
100
100
100
100
100
100
100
96
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
1
29
52
69
61
68
65
67
63
59
50
48
34
38
38
36
32
30
35

Medium Clouds (% Sky Obscured)

0
0
7
50
50
78
93
99
93
93
71
69
73
46
90
45
45
56
100
100
81
61
72
61

High Clouds (% Sky Obscured)

63
65
65
70
23
90
17
100
100
56
69
34
70
75
91
100
100
93
69
100
100
100
80
100

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

0
0
0
0
0
2
41
36
40
53
52
37
39
26
4
7
3
4
10
1
7
9
6
6

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

6
6
6
8
10
12
13
14
13
13
11
10
9
8
8
7
6
5
5
5
4
4
4
3

Chance of Frost

Temperature (°C)

8
8
10
12
14
16
16
17
17
16
15
15
15
15
14
14
13
13
13
13
12
12
12
11

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
95
91
87
80
79
78
82
93
93
95
95
96
95
96
96
98
96
98
98
98
96
98
95

Pressure (mb)

1015
1014
1014
1014
1014
1013
1013
1013
1012
1012
1011
1011
1011
1010
1010
1010
1010
1010
1010
1010
1010
1009
1009
1009

Ozone (du)

432
425
419
417
420
421
420
419
419
417
417
420
422
419
417
415
413
413
414
415
418
419
419
414

Wednesday 1

Third Quarter 53%

03:31

11:12

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
04 Bad

Sun - Rise: 05:25, Set: 20:19, Transit: 12:52. Moon - Rise: 03:31, Set: 11:12. Civil Dark: 20:57 - 04:45. Nautical Dark: 21:47 - 03:55. Astro Dark: 22:49 - 02:52

Total Clouds (% Sky Obscured)

100
100
100
100
100
97
93
90
95
97
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

43
47
50
49
44
47
54
56
62
59
53
58
62
55
68
73
74
60
62
74
93
93
93
90

Medium Clouds (% Sky Obscured)

99
100
97
95
93
90
75
44
61
93
100
95
96
70
99
100
90
87
96
100
53
97
88
100

High Clouds (% Sky Obscured)

100
100
100
100
95
63
18
49
73
23
79
91
95
97
91
88
84
87
82
31
93
97
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
8
9
9
9
9
9
5
7
5
4
5
9
9
1
0
0
0
1

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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

5
2
5
3
1
9
23
25
25
22
23
39
51
60
80
88
90
85
84
79
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.3
0.5
0.6
0.6
0.5
0.5
0.4
0.8
1.3
1.7
1.9

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
96
96
92
89
83
79
81
78
77
75
74
80
87
92
96
95
95
96
98
100
98
98
98

Pressure (mb)

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

Ozone (du)

412
409
409
410
410
410
410
406
402
401
398
394
392
390
388
386
384
382
380
378
376
374
372
370

Thursday 2

Waning Crescent 41%

03:48

12:40

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
04 Bad

Sun - Rise: 05:23, Set: 20:21, Transit: 12:52. Moon - Rise: 03:48, Set: 12:40. Civil Dark: 20:59 - 04:43. Nautical Dark: 21:49 - 03:52. Astro Dark: 22:52 - 02:48

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
99
97
95
79
80
84
79
74
67
70
73
77
84

Low Clouds (% Sky Obscured)

86
82
88
94
100
98
100
97
94
89
83
79
75
70
51
48
49
51
59
66
69
73
72
79

Medium Clouds (% Sky Obscured)

100
100
96
83
87
86
86
86
67
85
48
43
39
35
9
16
22
15
9
4
7
11
15
12

High Clouds (% Sky Obscured)

100
100
100
99
100
85
69
61
70
35
35
31
25
13
3
2
0
5
10
16
26
35
51
53

ISS Passover

Visibility (miles)

0
0
0
6
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

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

Precipitation Probability (%)

95
95
95
95
77
59
39
3
15
9
3
7
6
15
14
11
6
7
6
1
7
8
3
17

Precipitation Amount (mm)

2.9
3.3
1.2
0.7
0.4
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
100
100
96
95
92
90
90
87
82
80
76
82
89
90
90
92
93
95
96
98
96
98
98

Pressure (mb)

1006
1006
1006
1006
1006
1007
1007
1007
1007
1007
1007
1007
1007
1008
1008
1006
1006
1007
1007
1007
1007
1007
1007
1007

Ozone (du)

369
369
370
368
368
369
371
371
372
372
373
374
375
374
372
373
374
374
374
374
374
374
373
373

Friday 3

Waning Crescent 30%

04:02

14:08

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
04 Bad

Sun - Rise: 05:21, Set: 20:22, Transit: 12:52. Moon - Rise: 04:02, Set: 14:08. Civil Dark: 21:01 - 04:41. Nautical Dark: 21:51 - 03:50. Astro Dark: 22:56 - 02:44

Total Clouds (% Sky Obscured)

91
97
97
97
98
91
83
79
79
83
83
87
89
93
96
97
96
96
97
98
98
98
99
99

Low Clouds (% Sky Obscured)

84
91
89
87
85
79
74
65
60
57
52
61
69
80
82
84
86
89
90
92
92
93
93
92

Medium Clouds (% Sky Obscured)

7
3
21
38
58
53
55
62
60
61
58
41
23
6
4
2
0
5
9
13
14
16
17
19

High Clouds (% Sky Obscured)

52
51
50
48
50
48
45
48
43
39
30
28
25
23
19
14
9
37
66
92
89
87
84
89

ISS Passover

Visibility (miles)

6
4
1
1
0
0
2
4
6
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
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

22
25
30
33
35
38
44
51
43
34
21
26
27
24
27
25
10
13
11
1
25
25
10
32

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
96
96
96
96
96
96
96
96
93
87
85
87
92
93
95
95
95
95
96
96
96
98
98

Pressure (mb)

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

Ozone (du)

373
373
374
374
374
373
378
383
387
383
379
375
375
375
375
375
375
374
372
370
368
367
366
365

Saturday 4

Waning Crescent 19%

04:15

15:36

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

Sun - Rise: 05:20, Set: 20:24, Transit: 12:52. Moon - Rise: 04:15, Set: 15:36. Civil Dark: 21:03 - 04:39. Nautical Dark: 21:54 - 03:47. Astro Dark: 22:59 - 02:41

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
97
93
89
91
94
96
97
97
97
95
92
90

Low Clouds (% Sky Obscured)

91
90
93
96
99
99
99
98
96
93
89
91
92
93
94
97
98
95
92
89

Medium Clouds (% Sky Obscured)

22
28
39
51
54
47
55
66
56
41
27
27
29
31
32
34
36
34
35
31

High Clouds (% Sky Obscured)

95
100
100
100
99
94
90
85
55
31
6
5
5
4
3
1
0
0
0
0

ISS Passover

Visibility (miles)

6
3
0
3
6
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

Precipitation Type

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

Precipitation Probability (%)

32
21
39
36
19
19
18
15
15
14
12
14
14
12
18
23
1
13
17
5

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
96
96
92
89
84
86
86
87
87
89
90
90
90
90
93
95
96
96
95

Pressure (mb)

1009
1010
1010
1011
1011
1011
1012
1012
1012
1012
1012
1012
1012
1013
1013
1013
1013
1014
1013
1013

Ozone (du)

363
362
360
360
360
360
360
359
359
360
361
362
363
364
364
365
367
368
369
371

Forecast for Herne, Kent, United Kingdom (51.35,1.12)

Generated: 28/04/24 05:31:16. Forecast: 28/04/24 to 04/05/24. Timezone: UTC+1.00