Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 30

Waning Gibbous 52%

03:28

11:39

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
12 Bad
13 Bad
14 Bad

Sun - Rise: 05:50, Set: 20:37, Transit: 13:14. Moon - Rise: 03:28, Set: 11:39. Civil Dark: 21:14 - 05:12. Nautical Dark: 22:02 - 04:24. Astro Dark: 23:00 - 03:25

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
99
100
100
100
100
94
99
99
99
100
99
100
77
100
100
100
100

Low Clouds (% Sky Obscured)

95
73
62
29
25
21
23
31
32
22
24
22
26
38
49
59
60
48
38
19
35
35
33
34

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
99
100
100
100
100
92
98
97
86
54
72
94
55
61
96
100
100

High Clouds (% Sky Obscured)

67
42
51
65
65
65
74
71
4
3
31
6
4
31
94
93
100
97
96
60
89
100
100
100

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 (%)

59
45
32
16
17
5
19
4
3
3
5
5
5
16
21
9
7
16
15
6
16
8
3
3

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
85
84
81
82
84
88
88
88
90
91
91
90
91
93
93
93
90
87
81
76
75
73
72

Pressure (mb)

1005
1005
1006
1006
1006
1006
1007
1007
1007
1007
1007
1007
1007
1007
1007
1007
1008
1008
1008
1008
1008
1008
1008
1008

Ozone (du)

434
430
430
432
435
435
432
435
436
437
439
441
442
443
444
444
442
440
438
435
434
433
431
429

Wednesday 1

Third Quarter 41%

03:51

13:06

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
12 Bad
13 Bad
14 Bad

Sun - Rise: 05:48, Set: 20:39, Transit: 13:14. Moon - Rise: 03:51, Set: 13:06. Civil Dark: 21:16 - 05:10. Nautical Dark: 22:04 - 04:22. Astro Dark: 23:03 - 03:22

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
98
99
100
100
100
100
100
100
100
100
98
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

24
24
20
21
0
26
31
27
45
50
75
76
88
96
100
95
100
95
95
94
96
100
100
97

Medium Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

100
100
100
100
100
98
100
77
96
89
100
100
100
100
100
100
100
84
97
100
97
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
4
2
2
2
2
3
2
2
2
5
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
Light Rain
Light Rain
Light Rain
Light Rain
Moderate Rain
Moderate Rain
Light Rain
Moderate Rain
Moderate Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Light Rain

Precipitation Probability (%)

4
13
2
1
0
0
0
2
24
52
84
95
95
95
95
95
95
95
95
95
95
92
82
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.5
1.6
2.2
2.4
3.6
2.5
2.4
2.8
2.6
2.3
0.5
0.4
0.3
1.4

Wind Speed/Direction (mph)

10
8
7
5
3
3
4
5
5
5
6
7
9
9
13
13
17
18
20
22
23
22
20
19

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

8
9
9
9
9
8
7
6
6
5
5
5
4
5
4
3
1
1
2
2
1
2
2
3

Dew Point (°C)

7
7
7
7
8
7
7
7
6
6
6
7
7
8
7
6
6
7
7
7
7
7
7
7

Relative Humidity (%)

73
75
75
76
83
87
90
90
88
88
91
94
96
96
93
94
96
96
96
96
94
96
94
95

Pressure (mb)

1008
1008
1008
1008
1008
1008
1009
1009
1009
1009
1008
1008
1007
1007
1006
1006
1005
1005
1005
1005
1005
1005
1005
1005

Ozone (du)

428
425
421
419
419
417
415
415
415
414
413
412
413
413
412
411
409
406
407
408
409
410
411
410

Thursday 2

Waning Crescent 29%

04:09

14:33

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
12 Bad
13 Bad
14 Bad

Sun - Rise: 05:46, Set: 20:40, Transit: 13:14. Moon - Rise: 04:09, Set: 14:33. Civil Dark: 21:18 - 05:09. Nautical Dark: 22:06 - 04:20. Astro Dark: 23:06 - 03:19

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
98
100
100
100
100
100
100
89
99
99
91
81
98
70
73
70
66
67

Low Clouds (% Sky Obscured)

95
97
95
93
68
67
72
91
86
81
76
81
81
82
75
75
71
76
80
75
73
73
70
71

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
79
100
83
61
57
58
65
60
58
60
59
51
42
29
21
22
35
45

High Clouds (% Sky Obscured)

100
100
100
75
66
90
65
60
60
63
87
60
55
30
57
95
77
35
50
6
6
1
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
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
Very Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None

Precipitation Probability (%)

95
91
95
95
95
82
86
95
93
88
77
65
56
72
91
69
41
18
17
18
23
29
28
27

Precipitation Amount (mm)

1.4
0.6
1
1.3
1.5
0.8
0.9
0.9
0.9
0.8
0.4
0.2
0
0.2
0.7
0.3
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

18
18
18
18
18
17
15
13
12
12
10
9
8
9
8
9
9
10
11
12
13
14
14
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

8
8
7
7
7
7
7
7
7
7
6
6
6
6
6
6
7
7
7
7
7
7
7
7

Relative Humidity (%)

96
95
93
93
91
90
91
94
93
93
94
96
94
94
94
94
94
90
85
78
75
73
72
71

Pressure (mb)

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

Ozone (du)

406
405
404
403
402
403
406
408
409
408
406
403
399
399
401
404
404
405
405
408
412
414
417
421

Friday 3

Waning Crescent 19%

04:24

No Set

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
12 Bad
13 Bad
14 Bad

Sun - Rise: 05:45, Set: 20:42, Transit: 13:14. Moon - Rise: 04:24, Set: No Set. Civil Dark: 21:19 - 05:07. Nautical Dark: 22:08 - 04:17. Astro Dark: 23:09 - 03:15

Total Clouds (% Sky Obscured)

66
67
66
58
55
54
59
63
62
70
68
85
84
84
83
80
80
82
82
78
72
69
73
79

Low Clouds (% Sky Obscured)

73
70
66
58
54
53
47
50
44
47
45
77
77
78
80
82
81
82
82
78
74
69
66
52

Medium Clouds (% Sky Obscured)

50
50
45
40
39
39
38
31
28
23
23
34
70
62
49
45
40
35
35
35
7
4
2
2

High Clouds (% Sky Obscured)

0
12
23
35
26
12
0
0
0
0
0
0
4
58
5
13
54
75
79
5
61
11
20
84

ISS Passover

Visibility (miles)

8
9
9
9
9
9
9
9
9
9
9
9
9
9
9
3
3
8
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
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None

Precipitation Probability (%)

27
26
30
24
19
13
8
11
10
7
7
7
7
19
79
95
82
63
45
34
37
25
11
13

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.5
0.9
0.5
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

72
72
73
77
84
90
93
93
93
95
95
94
93
90
90
95
96
96
96
96
96
95
95
95

Pressure (mb)

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

Ozone (du)

430
434
435
435
432
429
418
413
410
407
404
404
402
403
404
401
401
403
405
406
405
407
407
409

Saturday 4

Waning Crescent 10%

04:38

16:00

15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 OK
21 Good
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

Sun - Rise: 05:43, Set: 20:43, Transit: 13:14. Moon - Rise: 04:38, Set: 16:00. Civil Dark: 21:21 - 05:05. Nautical Dark: 22:11 - 04:15. Astro Dark: 23:12 - 03:12

Total Clouds (% Sky Obscured)

78
86
80
76
53
31
9
49
74
95
97
98
99
99
100
100
99
99
99
99
100
100
100
100

Low Clouds (% Sky Obscured)

45
23
12
0
0
0
0
11
22
31
41
52
60
87
89
92
97
97
98
98
99
100
92
86

Medium Clouds (% Sky Obscured)

19
43
18
3
1
2
4
15
27
37
94
95
96
97
98
99
69
59
54
59
65
65
64
61

High Clouds (% Sky Obscured)

26
50
42
30
27
13
7
50
50
50
50
50
55
70
85
100
62
54
53
52
48
47
60
73

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
4
9
6
0
0
0
0
0
0
0
0
0

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

Precipitation Probability (%)

2
0
0
0
0
0
0
0
1
1
12
22
43
75
95
95
95
95
89
76
60
36
31
27

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.7
1.2
1
0.8
0.6
0.4
0.3
0
0
0

Wind Speed/Direction (mph)

13
13
13
11
9
7
5
4
4
4
5
7
7
8
10
12
14
11
12
16
16
15
15
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
76
79
80
85
90
95
93
93
93
94
96
98
98
98
100
100
98
98
96
96
96
96
98

Pressure (mb)

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

Ozone (du)

412
406
407
402
404
405
403
401
399
396
392
388
387
385
383
380
383
385
387
390
390
390
390
388

Sunday 5

Waning Crescent 4%

04:52

17:27

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
12 Bad
13 Bad
14 Bad

Sun - Rise: 05:41, Set: 20:45, Transit: 13:14. Moon - Rise: 04:52, Set: 17:27. Civil Dark: 21:23 - 05:03. Nautical Dark: 22:13 - 04:13. Astro Dark: 23:16 - 03:09

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

79
82
87
90
94
97
100
100
100
100
100
100
100
100
100
100
99
98
97
96
95
94
91
88

Medium Clouds (% Sky Obscured)

63
69
78
91
87
80
73
73
76
76
79
82
84
87
92
97
88
78
69
62
53
45
34
27

High Clouds (% Sky Obscured)

81
75
69
67
70
77
80
85
80
80
81
77
82
86
90
95
93
91
89
89
86
80
79
79

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

24
34
44
54
62
66
65
66
64
60
51
41
31
38
43
48
65
80
91
80
65
47
54
64

Precipitation Amount (mm)

0
0
0
0
0.2
0.3
0.2
0.3
0.3
0.3
0
0
0
0
0
0
0.3
0.5
0.7
0.4
0.3
0
0
0.3

Wind Speed/Direction (mph)

14
14
14
14
14
13
11
10
9
8
8
7
7
7
7
7
7
8
9
11
11
13
14
14

Chance of Frost

Temperature (°C)

13
13
13
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
13
13
13
14
14
14

Feels Like (°C)

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

Dew Point (°C)

13
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
13
13
13
13
14
14

Relative Humidity (%)

98
98
98
98
98
98
98
98
98
98
98
100
100
100
100
100
100
100
98
100
98
98
98
95

Pressure (mb)

1009
1009
1008
1008
1008
1008
1008
1008
1008
1008
1008
1007
1007
1007
1007
1006
1006
1006
1006
1007
1007
1007
1007
1007

Ozone (du)

385
383
381
380
378
380
381
382
383
383
384
387
390
393
395
398
400
401
401
402
404
407
410
412

Monday 6

Waning Crescent 1%

05:08

18:55

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
12 Bad

Sun - Rise: 05:40, Set: 20:46, Transit: 13:14. Moon - Rise: 05:08, Set: 18:55. Civil Dark: 21:25 - 05:01. Nautical Dark: 22:15 - 04:10. Astro Dark: 23:19 - 03:05

Total Clouds (% Sky Obscured)

97
91
87
86
92
94
97
99
99
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

84
82
81
76
74
72
70
77
80
83
87
93
100
100
100
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

21
15
10
3
6
8
13
28
44
59
52
45
38
38
37
36
36
36
37
36
40
40

High Clouds (% Sky Obscured)

73
46
21
0
10
20
30
20
25
25
20
15
15
15
15
15
15
15
15
20
20
25

ISS Passover

Visibility (miles)

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

Precipitation Type

Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
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 (%)

75
75
74
76
58
40
34
25
17
7
16
19
24
36
54
75
82
91
95
95
93
82

Precipitation Amount (mm)

0.5
0.5
0.5
0.6
0.3
0
0
0
0
0
0
0
0
0
0
0.5
0.5
0.6
0.8
0.7
0.7
0.5

Wind Speed/Direction (mph)

14
14
13
12
11
9
8
7
7
7
7
8
8
9
10
11
13
14
16
18
19
19

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

92
89
90
92
93
95
96
98
98
98
98
98
98
96
96
98
98
96
96
96
96
95

Pressure (mb)

1007
1007
1007
1007
1008
1008
1009
1010
1010
1010
1011
1011
1011
1011
1011
1012
1012
1012
1013
1014
1014
1015

Ozone (du)

413
415
416
416
417
417
417
417
416
416
416
413
410
407
405
403
401
399
397
396
393
390

Forecast for Upton, Cornwall, United Kingdom (50.54,-4.42)

Generated: 30/04/24 15:20:12. Forecast: 30/04/24 to 06/05/24. Timezone: UTC+1.00