Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 29

Waning Gibbous 62%

01:57

10:40

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: 05:42, Set: 19:50, Transit: 12:47. Moon - Rise: 01:57, Set: 10:40. Civil Dark: 20:21 - 05:11. Nautical Dark: 21:00 - 04:33. Astro Dark: 21:42 - 03:50

Total Clouds (% Sky Obscured)

84
78
86
98
96
87
100
100
98
94
99
96
100
100
100
100
100
100
100
100
95
94
100
100

Low Clouds (% Sky Obscured)

72
50
33
58
82
77
83
82
92
83
96
87
100
100
100
100
96
92
89
86
79
80
72
76

Medium Clouds (% Sky Obscured)

38
26
15
16
21
41
33
36
34
70
28
15
21
28
31
32
78
35
50
37
27
59
68
95

High Clouds (% Sky Obscured)

78
100
93
91
91
74
100
87
55
57
89
63
100
100
100
100
100
100
100
100
69
68
100
100

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
1
4
8
9
5
5
10
13
14
14
2
4
4
0
1
5
9

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

14
14
10
10
9
9
9
9
8
9
8
8
7
7
7
7
7
7
9
9
10
11
12
12

Dew Point (°C)

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

Relative Humidity (%)

51
60
65
61
63
65
68
67
65
65
63
67
72
72
68
69
70
73
75
73
75
75
75
79

Pressure (mb)

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

Ozone (du)

332
330
330
333
333
333
332
332
331
332
330
330
328
327
325
325
323
324
324
326
328
329
328
330

Tuesday 30

Waning Gibbous 50%

02:35

11:56

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: 05:41, Set: 19:52, Transit: 12:47. Moon - Rise: 02:35, Set: 11:56. Civil Dark: 20:23 - 05:10. Nautical Dark: 21:01 - 04:31. Astro Dark: 21:44 - 03:48

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
99
99
100
94
94
90
86
89
100
100
100

Low Clouds (% Sky Obscured)

79
75
81
83
83
73
89
98
100
100
100
100
100
98
97
100
92
86
83
67
52
63
64
79

Medium Clouds (% Sky Obscured)

100
99
100
100
99
84
100
96
66
0
0
0
0
17
6
0
0
26
5
29
48
46
47
63

High Clouds (% Sky Obscured)

100
97
100
100
100
100
100
90
100
23
0
0
0
0
0
0
0
0
0
9
1
71
77
87

ISS Passover

Visibility (miles)

9
9
4
2
3
4
4
6
6
9
9
8
8
4
4
4
8
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
3
28
31
15
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

24
89
95
95
82
14
15
3
1
1
1
0
0
1
0
0
1
1
8
10
2
1
2
13

Precipitation Amount (mm)

0
0.4
2
1.2
0.5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

13
13
12
12
11
11
10
10
10
9
9
9
8
9
10
11
11
13
14
15
16
17
17
17

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
79
90
98
100
98
98
98
98
96
96
96
96
95
95
93
92
90
87
82
79
81
83
86

Pressure (mb)

1013
1013
1013
1014
1013
1013
1013
1013
1013
1013
1013
1013
1013
1014
1015
1015
1015
1014
1014
1014
1014
1014
1014
1014

Ozone (du)

333
332
331
332
334
336
340
343
344
346
344
342
345
347
348
353
356
353
348
347
345
344
341
339

Wednesday 1

Third Quarter 39%

03:05

13:15

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: 05:40, Set: 19:53, Transit: 12:47. Moon - Rise: 03:05, Set: 13:15. Civil Dark: 20:24 - 05:08. Nautical Dark: 21:03 - 04:29. Astro Dark: 21:45 - 03:46

Total Clouds (% Sky Obscured)

93
95
87
92
86
77
75
83
85
89
90
95
90
100
100
97
99
96
85
90
91
92
94
96

Low Clouds (% Sky Obscured)

89
79
77
81
88
89
75
77
78
82
83
81
81
83
86
71
47
44
36
61
59
57
53
63

Medium Clouds (% Sky Obscured)

69
66
49
28
25
31
48
44
38
26
42
45
46
82
84
45
43
44
36
28
29
30
31
44

High Clouds (% Sky Obscured)

4
24
4
0
0
0
0
0
1
2
0
13
16
100
100
56
98
42
18
15
36
54
76
84

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
8
5
5
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
8
34
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 (%)

23
7
3
3
1
1
0
5
0
0
0
0
0
0
0
0
1
2
5
4
8
12
13
24

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)

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

Chance of Frost

Temperature (°C)

16
15
13
13
12
12
11
10
10
9
9
9
9
10
12
13
16
17
18
19
20
20
20
20

Feels Like (°C)

15
14
12
12
11
11
11
11
10
9
8
8
8
10
11
12
15
15
16
16
17
17
16
16

Dew Point (°C)

14
13
12
12
11
11
10
10
10
9
9
9
9
10
10
11
10
8
8
8
9
4
4
6

Relative Humidity (%)

89
90
95
96
95
96
98
98
98
98
96
96
98
96
90
90
69
58
51
48
50
34
33
39

Pressure (mb)

1015
1015
1016
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1018
1018
1017
1016
1016
1016
1015
1015
1014
1014

Ozone (du)

340
343
345
343
341
343
344
343
346
346
346
344
345
345
347
347
350
349
350
350
349
351
351
351

Thursday 2

Waning Crescent 27%

03:31

14:33

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: 05:38, Set: 19:54, Transit: 12:47. Moon - Rise: 03:31, Set: 14:33. Civil Dark: 20:25 - 05:07. Nautical Dark: 21:04 - 04:28. Astro Dark: 21:47 - 03:44

Total Clouds (% Sky Obscured)

98
100
100
100
100
100
90
99
100
100
100
100
91
97
100
100
99
80
99
99
98
98
97
95

Low Clouds (% Sky Obscured)

73
84
87
91
95
95
100
100
95
95
95
90
90
85
85
80
85
84
82
86
80
75
70
70

Medium Clouds (% Sky Obscured)

59
70
76
93
100
97
72
67
62
65
57
46
38
56
68
62
49
23
64
72
63
44
43
24

High Clouds (% Sky Obscured)

92
100
100
99
99
80
42
49
49
49
50
68
73
87
82
46
71
52
60
73
75
80
82
85

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 (%)

31
35
35
33
27
24
18
4
6
7
5
6
5
4
3
2
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)

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

Chance of Frost

Temperature (°C)

18
17
15
13
12
11
9
9
9
8
8
8
8
9
9
11
12
13
14
16
16
17
17
17

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

46
59
73
79
84
85
90
93
91
90
88
90
91
81
70
61
54
48
44
42
40
39
39
42

Pressure (mb)

1015
1016
1017
1018
1018
1019
1019
1020
1020
1020
1020
1021
1021
1022
1022
1022
1022
1022
1022
1021
1021
1021
1020
1020

Ozone (du)

352
349
346
347
348
344
343
343
343
343
344
345
343
342
342
341
338
338
338
336
335
334
333
332

Friday 3

Waning Crescent 17%

03:54

15:51

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: 05:37, Set: 19:55, Transit: 12:47. Moon - Rise: 03:54, Set: 15:51. Civil Dark: 20:27 - 05:05. Nautical Dark: 21:06 - 04:26. Astro Dark: 21:49 - 03:42

Total Clouds (% Sky Obscured)

92
88
88
89
86
89
93
97
98
99
100
100
99
99
98
98
98
99
99
100
100
100
100
100

Low Clouds (% Sky Obscured)

62
58
50
43
39
45
44
53
73
75
73
60
70
74
73
71
72
80
80
79
87
88
89
89

Medium Clouds (% Sky Obscured)

10
17
7
12
61
70
79
89
91
91
70
93
94
76
79
84
91
90
90
89
65
41
20
35

High Clouds (% Sky Obscured)

87
85
85
85
85
85
85
84
85
73
100
96
94
86
82
78
76
76
68
60
53
46
48
63

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
1
1
0
0
0
1
1
2
5
12
13
21
19
12
14

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

56
69
76
86
91
88
87
87
88
82
84
85
88
81
77
75
71
69
70
73
75
78
80
83

Pressure (mb)

1021
1021
1022
1023
1024
1024
1024
1025
1025
1025
1026
1026
1026
1027
1027
1027
1027
1027
1027
1026
1026
1026
1026
1026

Ozone (du)

331
331
330
330
330
329
328
326
324
323
325
329
330
332
335
338
341
343
343
343
342
345
347
349

Saturday 4

Waning Crescent 9%

04:15

17:09

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: 05:36, Set: 19:56, Transit: 12:47. Moon - Rise: 04:15, Set: 17:09. Civil Dark: 20:28 - 05:04. Nautical Dark: 21:07 - 04:24. Astro Dark: 21:51 - 03:40

Total Clouds (% Sky Obscured)

100
100
100
99
98
99
99
100
99
97
96
91
86
83
87
92
97
98
98
99
99
100
100
98

Low Clouds (% Sky Obscured)

87
94
99
100
100
100
100
100
97
95
91
85
80
76
83
90
97
88
78
72
61
52
47
53

Medium Clouds (% Sky Obscured)

46
58
50
42
34
28
19
12
11
6
5
4
4
7
7
7
7
8
14
16
17
13
14
25

High Clouds (% Sky Obscured)

85
100
79
59
37
33
29
30
29
22
9
7
4
2
14
28
42
48
56
64
76
88
100
92

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 (%)

12
6
13
12
0
6
8
2
2
2
2
1
0
0
0
1
0
3
2
1
16
26
36
52

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
83
83
83
83
83
84
84
84
85
87
87
82
80
76
72
69
64
61
56
54
54
54
54

Pressure (mb)

1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1025
1024
1024
1023
1022
1021
1020
1019
1018

Ozone (du)

350
350
351
353
354
356
355
353
352
351
350
349
348
348
347
347
347
347
348
348
348
348
348
348

Sunday 5

Waning Crescent 3%

04:38

No Set

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 OK
10 OK
11 OK
12 Bad
13 Bad

Sun - Rise: 05:34, Set: 19:57, Transit: 12:46. Moon - Rise: 04:38, Set: No Set. Civil Dark: 20:29 - 05:03. Nautical Dark: 21:09 - 04:23. Astro Dark: 21:53 - 03:38

Total Clouds (% Sky Obscured)

95
93
95
98
100
100
100
100
97
93
90
74
61
50
41
26
11
25
39
54

Low Clouds (% Sky Obscured)

57
64
72
85
99
99
98
97
95
94
93
87
84
82
61
35
8
27
45
64

Medium Clouds (% Sky Obscured)

41
58
64
71
78
80
78
69
53
41
32
27
18
10
10
6
0
0
0
0

High Clouds (% Sky Obscured)

86
77
85
92
100
100
100
100
85
69
57
38
18
0
0
0
0
0
1
1

ISS Passover

Visibility (miles)

9
9
9
9
8
7
5
2
0
0
0
0
3
5
8
8
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

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

Precipitation Probability (%)

63
61
59
51
27
36
44
51
58
58
52
49
39
6
13
16
14
16
20
17

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

14
13
11
11
11
10
10
10
10
10
10
11
11
13
14
15
16
17
18
18

Feels Like (°C)

13
14
15
8
9
9
9
9
9
8
9
10
9
9
8
14
14
14
15
16

Dew Point (°C)

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

Relative Humidity (%)

63
74
86
88
90
95
95
98
98
98
98
100
96
92
89
78
68
60
57
55

Pressure (mb)

1018
1018
1017
1017
1016
1015
1014
1013
1012
1011
1011
1011
1011
1010
1010
1010
1010
1010
1010
1010

Ozone (du)

349
350
352
354
356
357
361
364
367
371
375
379
383
387
391
386
382
377
374
371

Forecast for Chester, Windsor, United States of America (43.26,-72.60)

Generated: 29/04/24 18:00:08. Forecast: 29/04/24 to 05/05/24. Timezone: UTC-4.00