Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 28

Waning Gibbous 83%

01:00

07:31

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 OK
19 Bad
20 OK
21 Good
22 Good
23 Good

Sun - Rise: 05:34, Set: 20:18, Transit: 12:56. Moon - Rise: 01:00, Set: 07:31. Civil Dark: 20:56 - 04:56. Nautical Dark: 21:45 - 04:07. Astro Dark: 22:45 - 03:07

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
80
100
100
100
100
100
100
80
80
80
75
23
80
35
19
1
2

Low Clouds (% Sky Obscured)

100
95
95
100
85
95
100
100
100
100
100
100
91
86
78
90
76
20
29
7
16
2
2
2

Medium Clouds (% Sky Obscured)

100
100
97
100
85
100
82
92
73
99
74
60
71
39
78
69
39
72
72
51
38
34
6
0

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
50
50
50
5
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
9
9

Fog (%)

-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
0
0

Precipitation Type

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

Precipitation Probability (%)

100
100
100
100
100
100
0
0
0
0
0
0
0
100
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

1
1.6
1.3
3.3
2.9
0.8
0
0
0
0
0
0
0
0.2
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

9
9
9
7
7
3
4
7
9
13
14
15
14
14
14
12
10
9
9
11
8
8
7
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

92
93
94
95
95
96
100
98
97
94
86
80
80
80
81
75
68
64
64
65
73
78
90
90

Pressure (mb)

1000
999
998
997
997
996
997
997
998
998
1000
1002
1004
1006
1007
1008
1009
1010
1010
1010
1011
1012
1013
1013

Ozone (du)

438
428
430
438
442
447
452
451
448
445
444
444
442
442
446
448
453
456
458
454
461
461
465
472

Monday 29

Waning Gibbous 74%

02:00

08:32

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

Sun - Rise: 05:32, Set: 20:20, Transit: 12:56. Moon - Rise: 02:00, Set: 08:32. Civil Dark: 20:58 - 04:54. Nautical Dark: 21:47 - 04:04. Astro Dark: 22:48 - 03:04

Total Clouds (% Sky Obscured)

2
3
0
0
4
46
4
21
66
94
81
74
64
43
39
39
24
5
5
30
35
7
2
22

Low Clouds (% Sky Obscured)

1
0
0
0
0
0
0
0
11
43
38
41
38
43
40
37
20
0
0
0
7
7
1
20

Medium Clouds (% Sky Obscured)

0
0
0
0
3
22
3
24
13
68
46
3
3
0
0
0
4
3
1
4
19
0
0
0

High Clouds (% Sky Obscured)

2
2
0
0
5
55
4
10
62
85
63
60
50
5
5
10
3
0
4
20
0
0
0
0

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)

6
5
5
5
6
5
5
6
8
11
13
14
14
15
15
15
15
13
11
9
8
7
7
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
93
91
91
91
93
91
88
80
72
62
56
54
52
51
52
53
57
63
67
73
73
76
77

Pressure (mb)

1014
1014
1014
1014
1014
1015
1015
1015
1016
1016
1016
1016
1016
1016
1016
1016
1015
1015
1015
1015
1015
1016
1016
1016

Ozone (du)

464
459
454
451
444
443
441
440
438
438
438
438
435
437
432
430
432
439
440
435
427
426
430
430

Tuesday 30

Waning Gibbous 64%

02:43

09:48

00 Good
01 OK
02 OK
03 OK
04 OK
05 OK
06 OK
07 OK
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 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 05:30, Set: 20:21, Transit: 12:56. Moon - Rise: 02:43, Set: 09:48. Civil Dark: 21:00 - 04:52. Nautical Dark: 21:49 - 04:02. Astro Dark: 22:51 - 03:00

Total Clouds (% Sky Obscured)

4
20
30
37
25
30
30
30
57
79
87
100
100
100
97
91
90
56
27
21
100
100
100
100

Low Clouds (% Sky Obscured)

4
15
20
12
0
0
0
5
40
71
65
70
63
61
41
43
46
28
25
19
26
31
31
28

Medium Clouds (% Sky Obscured)

0
0
0
0
2
29
44
45
45
35
35
100
84
98
95
80
49
40
4
2
20
57
60
100

High Clouds (% Sky Obscured)

0
11
22
41
44
45
40
40
46
5
69
92
46
34
86
7
0
0
6
4
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
7
6
3
5
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
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
1
2
7
34
45
57
43
24
13
4
3
2
0
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

78
82
87
88
90
88
90
87
80
75
78
83
92
96
96
96
98
90
85
89
95
98
95
96

Pressure (mb)

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

Ozone (du)

428
425
428
429
426
425
425
425
424
421
420
421
424
424
425
424
425
429
429
428
428
428
426
425

Wednesday 1

Third Quarter 53%

03:14

11:14

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
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 05:28, Set: 20:23, Transit: 12:55. Moon - Rise: 03:14, Set: 11:14. Civil Dark: 21:02 - 04:49. Nautical Dark: 21:52 - 03:59. Astro Dark: 22:55 - 02:56

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
89
97
100
100
100
100
99
99
98
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

22
35
43
43
47
52
48
20
15
30
44
52
53
45
55
67
73
69
62
71
77
83
76
82

Medium Clouds (% Sky Obscured)

60
99
100
60
60
97
70
87
93
73
99
100
99
98
96
82
88
62
88
94
91
90
100
93

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
67
75
68
62
21
59
55
50
50
100
100
42
60
73
92
95
98

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
23
98
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
3
1
3
5
8
8
32
31
22
14
49
95
95
79
92
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.9
1.2
0.6
0.8
1.1
1.2
1.4

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
95
93
91
91
90
91
88
84
79
80
75
72
74
82
87
87
83
86
89
92
93
96
98

Pressure (mb)

1011
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1009
1009
1009
1008
1008
1008
1008
1007
1007
1007
1007
1007

Ozone (du)

426
426
423
422
420
419
415
415
414
413
411
412
408
407
407
406
406
405
403
401
398
397
394
392

Thursday 2

Waning Crescent 41%

03:36

12:43

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
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 05:26, Set: 20:25, Transit: 12:55. Moon - Rise: 03:36, Set: 12:43. Civil Dark: 21:03 - 04:47. Nautical Dark: 21:54 - 03:57. Astro Dark: 22:58 - 02:53

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
98
97
96
96
97
97
98
99
100
99
99
80
83
85

Low Clouds (% Sky Obscured)

84
89
97
100
98
96
94
94
93
93
92
92
91
89
90
91
94
96
98
96
93
77
74
64

Medium Clouds (% Sky Obscured)

100
99
82
76
100
100
100
93
99
98
78
84
82
84
87
49
39
36
35
37
38
43
40
44

High Clouds (% Sky Obscured)

100
99
92
96
82
65
50
50
50
50
55
59
71
67
64
41
12
46
10
16
23
34
38
56

ISS Passover

Visibility (miles)

9
8
0
0
0
0
0
0
0
0
0
1
8
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

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
None
None
None
None
None

Precipitation Probability (%)

95
95
95
95
95
95
95
95
95
95
88
66
24
18
23
12
19
11
6
3
3
2
3
4

Precipitation Amount (mm)

1.8
1.8
2
2.4
1.9
1.7
1.2
1.1
1
0.8
0.6
0.4
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
98
98
95
98
98
98
98
100
98
98
98
98
96
93
89
86
84
83
83
83
83
86
86

Pressure (mb)

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

Ozone (du)

391
390
389
388
385
383
382
381
381
380
379
379
380
381
382
382
383
384
383
382
381
381
381
380

Friday 3

Waning Crescent 30%

03:52

14:12

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
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 05:24, Set: 20:26, Transit: 12:55. Moon - Rise: 03:52, Set: 14:12. Civil Dark: 21:05 - 04:45. Nautical Dark: 21:56 - 03:54. Astro Dark: 23:02 - 02:49

Total Clouds (% Sky Obscured)

77
85
71
99
95
76
100
100
100
100
100
100
100
100
100
99
88
78
69
73
77
82
73
66

Low Clouds (% Sky Obscured)

59
54
59
61
60
58
53
60
65
65
64
64
64
66
68
69
62
55
49
51
51
54
63
68

Medium Clouds (% Sky Obscured)

47
50
53
94
84
58
89
99
100
100
96
90
74
67
61
54
38
25
16
11
6
0
0
0

High Clouds (% Sky Obscured)

50
61
48
63
53
52
82
89
95
100
100
100
100
90
80
80
66
53
42
55
60
62
49
30

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 (%)

4
5
6
4
22
31
39
31
21
4
5
4
1
4
4
4
11
13
12
12
10
4
7
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
88
87
85
84
85
85
81
77
69
59
53
46
46
48
51
54
57
64
68
73
79
84
86

Pressure (mb)

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

Ozone (du)

380
380
380
382
382
382
382
381
380
380
379
377
377
377
377
377
377
380
382
384
386
387
388
392

Saturday 4

Waning Crescent 19%

04:06

15:40

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
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 05:22, Set: 20:28, Transit: 12:55. Moon - Rise: 04:06, Set: 15:40. Civil Dark: 21:07 - 04:43. Nautical Dark: 21:59 - 03:52. Astro Dark: 23:05 - 02:45

Total Clouds (% Sky Obscured)

65
70
78
80
85
89
95
96
98
99
97
96
93
95
93
91
80
73
63
71
79
87
82
76

Low Clouds (% Sky Obscured)

69
69
72
71
69
72
75
72
68
72
77
82
84
80
73
67
57
46
37
29
22
14
12
10

Medium Clouds (% Sky Obscured)

0
16
34
51
61
70
82
85
87
91
84
74
60
53
47
46
30
15
2
10
20
29
33
41

High Clouds (% Sky Obscured)

17
17
18
22
33
44
55
40
26
10
7
4
1
2
3
4
13
21
29
49
63
75
65
65

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

0
5
5
3
41
55
63
55
47
37
44
49
52
49
45
42
41
44
46
34
25
5
5
6

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
88
90
91
91
93
93
95
91
88
84
87
90
92
88
84
80
83
84
86
90
91
93
93

Pressure (mb)

1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1011
1011
1011
1011
1011
1011
1012
1012
1013
1013

Ozone (du)

396
399
404
409
415
414
413
413
414
415
417
411
406
400
399
398
397
398
399
400
402
403
404
406

Forecast for Upminster, Greater London, United Kingdom (51.56,0.25)

Generated: 28/04/24 22:28:17. Forecast: 28/04/24 to 04/05/24. Timezone: UTC+1.00