Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 26

Waning Gibbous 89%

23:27

08:17

10 Good
11 Good
12 Good
13 Good
14 Good
15 OK
16 OK
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

Sun - Rise: 06:22, Set: 20:11, Transit: 13:17. Moon - Rise: 23:27, Set: 08:17. Civil Dark: 20:40 - 05:52. Nautical Dark: 21:16 - 05:17. Astro Dark: 21:54 - 04:38

Total Clouds (% Sky Obscured)

16
16
17
7
13
38
26
53
57
100
100
100
100
100
100
96
90
92
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

26
42
0
1
9
26
14
17
1
1
0
1
0
0
2
23
48
11
15
50
83
79
78
80

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
6
6
15
24
4
14
19
54
55
75
84
100
100
100
100
99
98

High Clouds (% Sky Obscured)

2
2
8
5
2
4
12
49
53
100
100
100
100
100
100
80
42
63
41
60
61
100
92
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
9
3
8
8
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
5
29
63
95
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1.3
1.2
1.6
0.8
1.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

63
59
51
45
42
45
50
52
55
61
66
68
70
70
71
70
73
72
77
90
93
96
95
95

Pressure (mb)

1026
1026
1025
1025
1025
1024
1024
1023
1023
1023
1024
1024
1025
1025
1025
1025
1025
1025
1025
1025
1025
1026
1026
1026

Ozone (du)

397
395
392
383
381
376
373
367
365
363
359
355
354
346
336
331
330
328
325
325
323
322
322
319

Saturday 27

Waning Gibbous 81%

00:31

09:09

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
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad

Sun - Rise: 06:20, Set: 20:12, Transit: 13:17. Moon - Rise: 00:31, Set: 09:09. Civil Dark: 20:41 - 05:51. Nautical Dark: 21:17 - 05:15. Astro Dark: 21:55 - 04:37

Total Clouds (% Sky Obscured)

100
100
99
100
100
100
100
98
100
100
88
97
76
48
56
69
56
82
100
97
99
97
100
96

Low Clouds (% Sky Obscured)

75
56
59
54
43
46
90
59
13
29
52
31
14
10
9
21
18
13
16
26
22
1
0
18

Medium Clouds (% Sky Obscured)

100
100
91
97
100
91
89
91
60
51
55
63
14
4
19
34
44
37
75
68
69
73
65
53

High Clouds (% Sky Obscured)

100
87
89
100
99
100
100
90
100
100
78
93
70
51
43
44
22
59
50
74
62
49
100
77

ISS Passover

Visibility (miles)

9
9
9
7
9
9
9
9
9
9
9
9
9
9
9
8
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
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

95
92
45
26
2
1
3
3
1
0
2
0
0
2
25
35
9
8
4
3
5
10
5
11

Precipitation Amount (mm)

0.6
0.6
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
7
9
7
8
7
6
7
5
5
5
6
7
7
6
6
5
5
5
5
4
5
6
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

9
10
11
12
13
15
16
18
18
18
17
16
15
14
14
14
14
14
13
14
13
13
14
16

Dew Point (°C)

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

Relative Humidity (%)

95
93
87
96
95
93
92
82
89
89
90
89
83
86
86
86
92
93
95
96
98
96
92
82

Pressure (mb)

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

Ozone (du)

317
318
316
316
317
318
316
314
314
314
314
315
313
314
313
310
310
310
312
313
312
312
312
310

Sunday 28

Waning Gibbous 72%

01:28

No Set

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

Sun - Rise: 06:19, Set: 20:13, Transit: 13:17. Moon - Rise: 01:28, Set: No Set. Civil Dark: 20:42 - 05:50. Nautical Dark: 21:18 - 05:14. Astro Dark: 21:57 - 04:35

Total Clouds (% Sky Obscured)

91
40
41
70
53
37
49
22
10
69
20
17
7
12
18
8
23
68
72
47
58
66
52
24

Low Clouds (% Sky Obscured)

28
33
34
44
31
27
29
34
12
0
0
0
0
0
0
0
0
0
4
10
44
5
5
4

Medium Clouds (% Sky Obscured)

62
34
34
56
39
25
43
0
0
31
0
2
0
0
0
0
0
19
26
24
33
23
16
8

High Clouds (% Sky Obscured)

43
6
4
3
2
0
0
0
4
65
27
16
6
12
17
7
25
48
44
26
33
26
26
15

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

9
3
4
38
52
52
46
45
59
32
4
2
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

19
21
23
25
25
26
26
26
25
24
22
21
19
19
18
17
16
16
15
15
15
15
16
19

Feels Like (°C)

17
19
23
24
25
26
27
27
28
26
23
23
22
22
20
20
19
17
16
16
16
16
18
20

Dew Point (°C)

13
13
14
15
16
17
19
19
19
21
20
19
18
17
17
16
16
15
14
14
14
14
15
16

Relative Humidity (%)

71
62
57
55
56
60
64
65
68
84
88
92
92
92
95
95
96
96
95
96
96
95
92
86

Pressure (mb)

1022
1022
1021
1021
1020
1020
1019
1019
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1019
1018

Ozone (du)

308
308
311
311
308
308
307
307
307
307
307
308
309
309
307
309
310
310
311
313
315
316
317
319

Monday 29

Waning Gibbous 62%

02:16

10:11

10 Bad
11 Bad
12 OK
13 OK
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 OK
20 OK
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

Sun - Rise: 06:18, Set: 20:14, Transit: 13:17. Moon - Rise: 02:16, Set: 10:11. Civil Dark: 20:44 - 05:48. Nautical Dark: 21:19 - 05:12. Astro Dark: 21:58 - 04:33

Total Clouds (% Sky Obscured)

70
76
39
42
65
85
82
73
73
40
28
47
60
41
80
100
99
98
97
98
99
100
100
100

Low Clouds (% Sky Obscured)

4
10
16
20
28
35
27
16
5
0
0
0
2
3
19
25
15
25
20
24
32
36
54
64

Medium Clouds (% Sky Obscured)

0
12
23
35
35
28
22
21
18
15
18
17
14
33
53
100
88
97
96
97
99
100
100
100

High Clouds (% Sky Obscured)

54
48
9
3
3
24
69
44
70
31
13
39
55
23
39
47
71
39
68
79
89
100
98
100

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

0
0
0
0
0
2
4
8
5
3
4
3
2
30
39
32
18
32
55
61
54
57
86
91

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.3
0
0
0.5
0.6

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

21
24
25
26
26
27
26
26
26
25
22
21
20
19
18
18
17
17
17
17
17
17
17
17

Feels Like (°C)

23
23
23
25
26
25
25
26
26
24
24
24
22
20
20
19
18
18
17
17
17
17
17
17

Dew Point (°C)

17
15
14
14
14
14
16
16
16
17
18
17
17
16
17
17
16
16
16
16
16
16
16
16

Relative Humidity (%)

75
58
52
48
46
45
53
53
54
61
74
80
80
82
90
92
93
95
96
96
96
96
95
95

Pressure (mb)

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

Ozone (du)

319
321
321
320
321
322
322
323
323
321
320
321
321
321
320
320
322
322
323
325
326
329
332
336

Tuesday 30

Waning Gibbous 50%

02:56

11:22

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

Sun - Rise: 06:17, Set: 20:15, Transit: 13:16. Moon - Rise: 02:56, Set: 11:22. Civil Dark: 20:45 - 05:47. Nautical Dark: 21:21 - 05:11. Astro Dark: 22:00 - 04:31

Total Clouds (% Sky Obscured)

100
100
100
100
89
78
70
44
52
43
36
31
23
17
9
20
96
93
91
87
84
79
75
75

Low Clouds (% Sky Obscured)

80
71
64
71
53
55
42
45
52
40
32
26
21
13
7
0
55
61
54
48
45
47
39
31

Medium Clouds (% Sky Obscured)

100
93
86
36
21
11
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1

High Clouds (% Sky Obscured)

100
100
100
100
75
53
50
1
0
0
0
1
0
1
1
20
80
69
54
48
46
40
43
51

ISS Passover

Visibility (miles)

9
3
3
4
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

Light 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
None

Precipitation Probability (%)

95
95
95
83
69
48
18
7
3
1
0
0
0
0
0
0
4
2
0
0
0
0
1
1

Precipitation Amount (mm)

1
1.1
0.8
0.4
0.3
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
9
8
9
9
9
7
6
4
4
3
3
2
1
2
2
2
2
2
2
2
3

Chance of Frost

Temperature (°C)

17
18
18
19
19
21
23
23
23
22
19
18
17
15
15
14
14
14
14
14
14
14
15
17

Feels Like (°C)

17
17
18
19
20
21
22
22
24
22
22
21
19
18
17
16
14
14
14
14
13
13
13
17

Dew Point (°C)

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

Relative Humidity (%)

90
92
92
86
88
74
58
50
56
62
75
81
86
87
83
83
83
84
87
89
87
87
86
78

Pressure (mb)

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

Ozone (du)

340
340
342
345
350
354
351
348
349
350
353
354
356
354
352
350
346
344
342
340
339
338
337
337

Wednesday 1

Third Quarter 38%

03:29

12:36

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
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad

Sun - Rise: 06:15, Set: 20:16, Transit: 13:16. Moon - Rise: 03:29, Set: 12:36. Civil Dark: 20:46 - 05:46. Nautical Dark: 21:22 - 05:09. Astro Dark: 22:01 - 04:30

Total Clouds (% Sky Obscured)

78
80
80
86
88
82
76
64
61
55
53
49
48
60
63
61
71
84
100
81
62
43
43
43

Low Clouds (% Sky Obscured)

23
29
36
41
35
29
22
27
32
37
23
11
0
3
7
9
8
8
6
12
17
23
30
37

Medium Clouds (% Sky Obscured)

2
9
18
23
31
31
28
22
17
16
14
10
8
10
17
20
25
34
41
45
50
50
46
42

High Clouds (% Sky Obscured)

50
54
52
55
52
53
37
27
17
9
12
18
23
27
31
35
57
78
100
69
37
6
9
12

ISS Passover

Visibility (miles)

9
9
9
9
9
7
5
3
5
7
9
9
9
8
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
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Very Light Rain
None

Precipitation Probability (%)

0
28
41
56
58
59
59
66
70
73
72
74
80
80
77
75
71
65
58
58
62
66
55
43

Precipitation Amount (mm)

0
0
0
0.2
0.2
0.3
0.3
0.4
0.3
0.4
0.4
0.4
0.5
0.6
0.5
0.5
0.4
0.4
0.3
0.3
0.3
0.4
0.2
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

17
18
19
21
22
23
23
23
24
24
25
20
21
20
20
19
19
17
17
17
17
17
16
19

Dew Point (°C)

14
14
16
17
19
19
20
21
20
19
19
18
18
17
17
16
16
16
15
15
15
16
16
17

Relative Humidity (%)

71
65
70
74
79
81
83
84
85
88
89
92
95
96
96
96
98
96
96
98
96
96
96
93

Pressure (mb)

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

Ozone (du)

336
335
334
332
330
329
329
328
327
325
324
323
323
322
322
321
321
320
319
318
320
321
322
322

Thursday 2

Waning Crescent 27%

03:57

13:52

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
05 Bad
06 Bad
07 Bad

Sun - Rise: 06:14, Set: 20:17, Transit: 13:16. Moon - Rise: 03:57, Set: 13:52. Civil Dark: 20:47 - 05:44. Nautical Dark: 21:23 - 05:08. Astro Dark: 22:03 - 04:28

Total Clouds (% Sky Obscured)

44
52
58
63
73
82
93
88
86
84
82
73
63
71
83
95
96
98
100
100
100
100

Low Clouds (% Sky Obscured)

44
44
36
37
29
19
6
5
2
4
3
1
0
24
46
68
75
81
88
88
87
87

Medium Clouds (% Sky Obscured)

38
36
38
35
39
43
47
57
66
76
69
62
54
62
66
70
75
80
85
89
93
97

High Clouds (% Sky Obscured)

11
16
21
27
39
59
74
68
59
46
45
39
37
56
80
97
99
99
99
100
100
100

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

29
45
54
59
53
49
47
57
65
74
83
92
95
95
95
95
95
95
95
95
95
95

Precipitation Amount (mm)

0
0
0.2
0.3
0.2
0
0
0.2
0.3
0.5
0.5
0.6
1
0.9
1.1
1.5
1.1
1.1
1.5
1.3
1.1
0.9

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

20
22
23
24
25
26
26
26
25
24
23
22
21
19
19
19
19
18
18
18
18
18

Feels Like (°C)

20
21
22
24
25
26
26
26
25
25
24
23
22
21
21
20
20
18
18
18
18
18

Dew Point (°C)

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

Relative Humidity (%)

92
89
89
89
90
88
87
84
87
89
92
94
95
96
96
96
96
96
98
98
98
98

Pressure (mb)

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

Ozone (du)

321
321
322
323
324
324
323
323
325
326
328
327
325
323
324
324
325
326
328
329
331
332

Forecast for Soho, Allegheny County, United States of America (40.44,-79.98)

Generated: 26/04/24 10:25:38. Forecast: 26/04/24 to 02/05/24. Timezone: UTC-4.00