Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 30

Waxing Gibbous 98%

18:08

05:02

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
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: 05:54, Set: 19:50, Transit: 12:53. Moon - Rise: 18:08, Set: 05:02. Civil Dark: 20:20 - 05:24. Nautical Dark: 20:56 - 04:48. Astro Dark: 21:35 - 04:08

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
100
100
100
100

Low Clouds (% Sky Obscured)

56
71
70
83
40
13
50
34
37
74
90
84
93
93
100
100
100
100
100
96
100
100
97
100

Medium Clouds (% Sky Obscured)

100
100
100
89
90
99
100
100
99
100
100
100
100
100
100
94
95
49
85
77
84
42
39
26

High Clouds (% Sky Obscured)

100
100
100
100
100
96
100
100
100
100
100
100
100
100
35
28
6
99
91
80
100
75
98
17

ISS Passover

Visibility (miles)

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

Fog (%)

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

Precipitation Type

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

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
100
100
100
100
100
100
100
0
0
0
0
0
2
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.8
0.9
2
1.2
2.9
0.8
0.4
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

42
42
43
44
49
50
52
55
58
69
77
81
86
89
92
92
92
92
91
91
91
90
88
85

Pressure (mb)

1014
1014
1013
1013
1012
1012
1011
1010
1011
1012
1011
1011
1010
1010
1009
1009
1009
1009
1008
1008
1008
1008
1008
1008

Ozone (du)

350
351
350
349
349
350
350
358
361
366
373
377
383
385
385
385
386
390
392
391
392
386
387
386

Friday 1

Full Moon 100%

19:12

05:26

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 OK
04 OK
05 OK
06 OK
07 OK
08 Good
09 Good
10 OK
11 OK

Sun - Rise: 05:52, Set: 19:51, Transit: 12:52. Moon - Rise: 19:12, Set: 05:26. Civil Dark: 20:21 - 05:23. Nautical Dark: 20:57 - 04:46. Astro Dark: 21:37 - 04:07

Total Clouds (% Sky Obscured)

100
94
85
95
84
74
61
78
50
41
43
37
47
89
77
41
43
36
28
25
17
0
25
25

Low Clouds (% Sky Obscured)

100
93
79
84
75
62
61
78
46
37
43
37
47
74
75
40
43
36
28
0
0
0
20
16

Medium Clouds (% Sky Obscured)

19
33
46
55
41
31
0
4
39
41
37
34
32
38
29
27
32
33
22
25
17
0
19
21

High Clouds (% Sky Obscured)

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

ISS Passover

Visibility (miles)

9
9
9
8
7
8
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
Very Light Rain
Light Rain
None
None
None
None
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

17
12
32
55
64
50
25
8
18
58
78
52
11
6
10
8
6
6
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0.3
0.5
0
0
0
0
0.7
1.5
0.6
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

9
10
11
11
9
8
7
7
7
7
6
6
6
5
5
4
2
2
2
2
2
0
-1
-2

Relative Humidity (%)

83
79
75
72
65
61
56
58
60
63
66
68
66
65
67
66
59
59
63
62
58
48
40
34

Pressure (mb)

1007
1007
1007
1007
1006
1006
1007
1007
1008
1009
1009
1009
1010
1010
1010
1010
1011
1011
1012
1012
1013
1013
1013
1013

Ozone (du)

386
383
384
381
377
375
373
373
376
377
376
380
383
380
378
378
378
379
382
385
385
383
386
386

Saturday 2

Waning Gibbous 100%

20:16

05:54

12 OK
13 OK
14 Good
15 OK
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

Sun - Rise: 05:51, Set: 19:52, Transit: 12:52. Moon - Rise: 20:16, Set: 05:54. Civil Dark: 20:22 - 05:21. Nautical Dark: 20:59 - 04:45. Astro Dark: 21:38 - 04:05

Total Clouds (% Sky Obscured)

34
25
17
19
77
95
89
93
91
89
100
90
100
80
80
81
90
92
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

9
3
3
18
29
25
30
15
34
18
35
47
59
54
57
59
68
56
38
78
68
61
61
60

Medium Clouds (% Sky Obscured)

34
25
17
9
65
56
80
88
82
89
95
88
66
77
65
76
74
32
87
28
26
17
91
91

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
4
61
44
34
30
48
35
100
100
100
100
100
100

ISS Passover

Visibility (miles)

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

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
9
24
52
44
28
28
23
18
34
36
28
23
23
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-3
-3
-3
-3
-2
-1
0
1
2
3
4
4
6
7
8
7
7
6
6
7
8
8
7
7

Relative Humidity (%)

30
27
26
25
26
29
31
34
39
43
48
52
61
70
75
75
76
73
72
76
80
77
67
65

Pressure (mb)

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

Ozone (du)

384
384
384
386
392
396
390
384
380
379
374
369
365
361
360
357
356
354
353
353
351
352
353
353

Sunday 3

Waning Gibbous 98%

21:20

06:27

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
05 Bad
06 Bad
07 Bad
08 Bad
09 OK
10 Good
11 OK

Sun - Rise: 05:50, Set: 19:53, Transit: 12:52. Moon - Rise: 21:20, Set: 06:27. Civil Dark: 20:23 - 05:20. Nautical Dark: 21:00 - 04:43. Astro Dark: 21:40 - 04:03

Total Clouds (% Sky Obscured)

100
100
100
99
100
100
100
100
100
100
100
100
100
97
99
74
73
86
88
86
69
45
13
41

Low Clouds (% Sky Obscured)

55
50
30
4
37
0
30
47
47
45
53
66
60
56
48
40
33
30
28
26
17
9
0
7

Medium Clouds (% Sky Obscured)

100
100
100
99
100
100
100
100
100
98
100
100
100
68
96
8
10
30
45
50
36
21
7
20

High Clouds (% Sky Obscured)

98
100
96
46
100
100
100
41
40
28
92
62
70
65
80
74
73
61
31
2
1
1
0
0

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

20
18
20
25
34
40
44
36
34
42
48
39
31
10
7
4
1
2
2
1
1
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

8
8
9
9
8
7
8
8
8
8
8
8
7
7
6
6
6
6
3
1
-1
-1
-2
-3

Relative Humidity (%)

63
65
66
65
63
63
68
72
76
76
79
77
73
75
73
77
77
78
67
56
49
44
38
33

Pressure (mb)

1014
1014
1013
1013
1012
1012
1012
1012
1012
1013
1013
1012
1012
1012
1011
1012
1012
1012
1012
1013
1013
1013
1013
1013

Ozone (du)

351
349
350
352
354
355
356
356
355
355
360
371
377
380
386
392
395
395
394
395
395
396
400
400

Monday 4

Waning Gibbous 94%

22:21

07:08

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

Sun - Rise: 05:49, Set: 19:54, Transit: 12:52. Moon - Rise: 22:21, Set: 07:08. Civil Dark: 20:24 - 05:19. Nautical Dark: 21:01 - 04:42. Astro Dark: 21:41 - 04:01

Total Clouds (% Sky Obscured)

69
97
90
83
79
64
48
10
7
11
33
35
5
2
3
8
12
18
30
44
30
31
33
46

Low Clouds (% Sky Obscured)

17
24
18
7
5
4
11
1
0
2
2
2
2
2
0
0
0
0
0
0
0
0
0
11

Medium Clouds (% Sky Obscured)

33
47
43
44
43
29
20
8
6
5
27
25
1
0
3
7
12
18
23
27
28
29
31
35

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
1
1
2
0
0
0
0
0
0
1
11
24
3
3
4
13

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
1
1
2
1
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-4
-5
-5
-5
-7
-7
-6
-5
-4
-4
-4
-4
-3
-3
-3
-3
-3
-3
-3
-2
-2
-1
-2
-2

Relative Humidity (%)

29
26
26
25
22
22
24
27
31
34
35
37
38
40
42
43
45
44
46
45
43
41
35
31

Pressure (mb)

1013
1012
1012
1012
1012
1012
1013
1014
1014
1015
1016
1016
1016
1016
1017
1017
1017
1017
1017
1018
1018
1018
1017
1017

Ozone (du)

400
398
397
395
399
394
395
394
393
393
391
391
392
395
391
386
389
386
388
390
389
388
389
387

Tuesday 5

Waning Gibbous 89%

23:18

07:55

12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 OK
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

Sun - Rise: 05:48, Set: 19:55, Transit: 12:52. Moon - Rise: 23:18, Set: 07:55. Civil Dark: 20:25 - 05:17. Nautical Dark: 21:02 - 04:40. Astro Dark: 21:43 - 04:00

Total Clouds (% Sky Obscured)

60
73
90
95
100
76
51
27
53
66
87
84
82
82
85
87
89
87
86
84
78
72
65
58

Low Clouds (% Sky Obscured)

23
34
34
34
34
23
11
0
10
21
31
21
10
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

31
35
47
60
94
76
51
27
53
66
83
82
82
82
82
82
81
73
60
42
19
9
0
0

High Clouds (% Sky Obscured)

24
32
76
86
100
73
43
15
10
10
20
25
35
45
63
64
49
59
73
80
74
69
64
54

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
2
20
28
34
34
29
19
16
12
1
3
2
1
1
1
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)

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

Chance of Frost

Temperature (°C)

17
18
19
19
19
19
18
17
17
16
15
13
13
13
13
14
13
14
14
14
15
17
19
20

Feels Like (°C)

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

Dew Point (°C)

-1
0
1
2
2
3
3
4
4
5
7
9
8
8
9
9
8
8
8
8
9
8
9
8

Relative Humidity (%)

30
30
30
31
32
35
36
39
41
50
59
72
72
72
75
72
71
70
68
66
65
57
51
45

Pressure (mb)

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

Ozone (du)

390
385
383
382
380
377
377
378
379
379
378
378
379
380
381
381
380
379
379
380
381
381
381
380

Wednesday 6

Waning Gibbous 82%

00:08

08:50

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

Sun - Rise: 05:46, Set: 19:56, Transit: 12:52. Moon - Rise: 00:08, Set: 08:50. Civil Dark: 20:27 - 05:16. Nautical Dark: 21:04 - 04:39. Astro Dark: 21:44 - 03:58

Total Clouds (% Sky Obscured)

48
38
28
18
13
23
19
4
0
0
0
0
0
10
41
61
66
100
100
100
100
95
90
95

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
3
5
49
84
93
95
90
95

Medium Clouds (% Sky Obscured)

0
0
0
2
6
6
4
0
0
0
0
0
0
10
41
61
66
89
79
68
71
73
76
75

High Clouds (% Sky Obscured)

42
32
22
14
3
9
15
4
0
0
0
0
0
10
30
15
10
10
10
5
5
5
5
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
1
0
4
6
2
4
3
1
21

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)

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

Chance of Frost

Temperature (°C)

21
22
24
23
22
21
20
19
18
17
17
16
16
16
16
15
15
15
15
15
16
16
17
18

Feels Like (°C)

15
15
15
21
20
19
19
20
21
12
13
12
12
12
12
12
12
12
12
12
13
14
14
14

Dew Point (°C)

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

Relative Humidity (%)

41
37
35
38
41
44
49
55
61
62
65
67
67
69
69
70
72
73
73
74
74
74
73
73

Pressure (mb)

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

Ozone (du)

380
380
380
381
383
384
383
382
382
380
379
377
375
372
370
370
370
370
369
367
366
365
364
363

Forecast for Morningside Heights, New York County, United States of America (40.81,-73.96)

Generated: 30/04/26 09:49:25. Forecast: 30/04/26 to 06/05/26. Timezone: UTC-4.00