Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 15

Waning Gibbous 88%

23:31

07:18

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 OK
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad

Sun - Rise: 05:43, Set: 20:11, Transit: 12:57. Moon - Rise: 23:31, Set: 07:18. Civil Dark: 20:41 - 05:13. Nautical Dark: 21:19 - 04:34. Astro Dark: 22:02 - 03:51

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
98
100
100
84
52
42
41
52
56
74
82
77
75
71
72
100

Low Clouds (% Sky Obscured)

95
91
93
100
100
95
92
95
96
88
88
48
43
24
27
39
45
50
70
75
75
71
72
70

Medium Clouds (% Sky Obscured)

62
76
45
44
36
38
27
50
22
24
30
46
5
17
2
2
4
17
9
2
0
0
0
0

High Clouds (% Sky Obscured)

51
91
84
93
98
100
96
99
57
80
60
70
0
0
0
0
2
1
2
0
0
2
7
100

ISS Passover

Visibility (miles)

9
8
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

100
95
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
22
100
100
100
100
100

Precipitation Type

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

Precipitation Probability (%)

10
0
0
27
7
35
54
53
60
61
78
84
69
25
1
3
5
6
4
1
1
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0.3
0
0
0
0.3
0.5
0.4
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
98
95
92
90
92
91
85
84
84
80
78
75
81
88
92
92
93
95
95
95
95
93
95

Pressure (mb)

1012
1012
1012
1012
1012
1012
1011
1011
1011
1010
1010
1009
1010
1010
1010
1010
1010
1010
1010
1009
1009
1009
1009
1009

Ozone (du)

328
328
328
329
329
329
331
334
338
337
339
339
338
337
337
335
334
334
333
336
334
333
333
330

Friday 16

Waning Gibbous 81%

00:18

08:13

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 OK
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad

Sun - Rise: 05:43, Set: 20:11, Transit: 12:57. Moon - Rise: 00:18, Set: 08:13. Civil Dark: 20:42 - 05:12. Nautical Dark: 21:21 - 04:33. Astro Dark: 22:03 - 03:50

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
94
100
93
86
56
38
88
100
76
96
96
96
99
85
100
98

Low Clouds (% Sky Obscured)

70
54
48
41
49
56
72
86
91
40
62
53
24
8
29
34
37
42
44
45
44
46
45
46

Medium Clouds (% Sky Obscured)

0
17
90
100
99
87
90
91
85
59
80
25
3
0
2
6
3
14
3
2
0
7
25
63

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
71
30
100
30
30
25
30
72
100
48
96
85
85
94
77
86
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 (%)

100
100
100
0
6
3
0
0
0
0
0
0
0
0
0
0
0
0
0
28
41
2
14
84

Precipitation Type

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

Precipitation Probability (%)

3
3
10
61
37
43
33
58
46
11
6
20
3
4
16
24
22
12
54
14
31
18
16
11

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

17
19
19
21
21
23
24
25
25
26
25
26
26
27
25
24
23
22
22
21
21
20
21
20

Dew Point (°C)

16
16
16
16
16
17
17
17
19
21
19
21
20
21
20
20
20
20
20
19
19
18
18
19

Relative Humidity (%)

95
90
86
82
79
77
71
69
77
88
78
80
78
85
91
94
96
96
98
96
96
96
96
98

Pressure (mb)

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

Ozone (du)

330
329
330
328
325
326
328
330
328
327
327
329
329
329
330
329
330
330
326
324
326
325
328
330

Saturday 17

Waning Gibbous 72%

00:58

09:16

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

Sun - Rise: 05:42, Set: 20:12, Transit: 12:57. Moon - Rise: 00:58, Set: 09:16. Civil Dark: 20:43 - 05:11. Nautical Dark: 21:22 - 04:32. Astro Dark: 22:05 - 03:49

Total Clouds (% Sky Obscured)

99
100
100
100
100
100
94
90
98
38
26
29
35
4
20
29
63
68
31
0
0
0
0
0

Low Clouds (% Sky Obscured)

47
51
46
24
34
59
61
55
50
38
26
29
0
0
1
1
28
52
6
0
0
0
0
0

Medium Clouds (% Sky Obscured)

71
89
65
41
58
47
30
50
9
34
0
28
35
0
14
24
35
22
9
0
0
0
0
0

High Clouds (% Sky Obscured)

98
100
100
100
100
100
91
65
65
0
0
0
0
2
0
0
0
0
0
0
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 (%)

84
88
95
95
70
29
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

61
18
11
33
9
36
95
95
43
20
8
5
5
0
3
0
0
1
0
0
0
0
0
0

Precipitation Amount (mm)

0.3
0
0
0
0
0
0.6
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

19
19
20
21
23
24
24
25
24
25
26
27
26
25
22
21
21
20
19
18
17
16
15
15

Feels Like (°C)

21
20
21
22
24
23
24
24
23
25
27
28
27
26
23
21
19
19
16
16
15
15
14
13

Dew Point (°C)

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

Relative Humidity (%)

98
96
96
92
84
69
62
59
60
59
51
50
53
62
59
66
62
67
61
61
68
72
73
74

Pressure (mb)

1005
1005
1004
1005
1004
1003
1003
1002
1002
1001
1001
1001
1001
1001
1001
1002
1003
1004
1004
1004
1005
1005
1005
1005

Ozone (du)

331
333
332
335
338
343
350
352
354
353
350
349
349
348
351
356
359
356
353
355
355
355
351
355

Sunday 18

Waning Gibbous 69%

01:31

10:23

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

Sun - Rise: 05:41, Set: 20:13, Transit: 12:58. Moon - Rise: 01:31, Set: 10:23. Civil Dark: 20:44 - 05:10. Nautical Dark: 21:23 - 04:31. Astro Dark: 22:06 - 03:47

Total Clouds (% Sky Obscured)

1
2
9
18
31
37
71
98
50
64
71
50
49
35
34
32
30
52
64
74
48
14
8
10

Low Clouds (% Sky Obscured)

0
1
2
4
16
14
37
60
20
30
33
20
23
17
20
15
10
24
43
62
44
14
8
10

Medium Clouds (% Sky Obscured)

0
0
5
11
16
31
31
41
40
34
28
23
11
4
3
2
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
1
1
0
0
0
0
0
0
0
0
0
0
0
0
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
6
6
18
2
0
0
0
4
13
4
9
0
1
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)

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

Chance of Frost

Temperature (°C)

14
15
15
17
18
18
19
19
18
20
21
20
20
19
18
17
17
16
15
15
15
14
13
12

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

74
70
70
65
60
62
56
58
64
55
57
60
64
65
67
73
68
67
67
68
70
71
74
75

Pressure (mb)

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

Ozone (du)

353
354
355
357
357
360
364
365
363
363
362
360
357
355
353
351
354
353
358
359
358
360
363
368

Monday 19

Waning Gibbous 61%

01:59

11:33

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

Sun - Rise: 05:40, Set: 20:14, Transit: 12:58. Moon - Rise: 01:59, Set: 11:33. Civil Dark: 20:45 - 05:09. Nautical Dark: 21:24 - 04:30. Astro Dark: 22:08 - 03:46

Total Clouds (% Sky Obscured)

20
25
26
28
27
18
52
56
59
18
74
86
86
42
45
48
50
36
21
8
4
2
1
2

Low Clouds (% Sky Obscured)

20
25
26
28
27
18
19
11
9
7
5
7
10
11
8
4
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
11
23
35
25
12
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
1
4
0
52
55
50
9
63
65
75
37
42
43
44
32
19
7
4
2
1
2

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)

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

Chance of Frost

Temperature (°C)

12
12
12
14
16
17
19
20
21
22
22
22
21
19
17
16
14
13
12
12
11
10
10
9

Feels Like (°C)

10
10
10
11
13
14
16
16
17
18
19
19
17
16
15
14
13
13
12
12
11
8
8
8

Dew Point (°C)

8
8
7
7
7
7
8
8
9
9
10
11
9
9
8
6
5
4
4
4
3
3
3
2

Relative Humidity (%)

76
75
70
62
57
52
48
45
44
44
45
48
48
52
54
54
54
54
56
58
59
60
60
60

Pressure (mb)

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

Ozone (du)

363
353
347
351
351
349
345
344
343
342
343
341
341
341
343
343
344
345
345
346
346
346
347
347

Tuesday 20

Third Quarter 50%

02:24

12:43

06 Good
07 Good
08 OK
09 OK
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
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

Sun - Rise: 05:39, Set: 20:15, Transit: 12:58. Moon - Rise: 02:24, Set: 12:43. Civil Dark: 20:46 - 05:08. Nautical Dark: 21:25 - 04:29. Astro Dark: 22:09 - 03:45

Total Clouds (% Sky Obscured)

3
7
26
45
64
70
76
76
62
49
47
61
80
100
100
95
86
84
65
52
53
51
59
65

Low Clouds (% Sky Obscured)

0
0
1
2
3
3
3
3
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
1

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
9
14
9
3
4
0
33
67
86
84
65
31
16
5
0
0

High Clouds (% Sky Obscured)

3
6
24
42
60
70
58
55
61
48
47
61
80
89
61
32
6
14
8
1
25
51
59
65

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
1
2
2
16

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

Chance of Frost

Temperature (°C)

10
11
12
13
15
16
17
18
19
19
19
20
18
17
15
14
13
12
11
10
10
9
9
8

Feels Like (°C)

9
8
9
11
10
10
11
11
12
15
15
15
15
15
15
12
11
11
11
11
10
8
8
8

Dew Point (°C)

3
3
4
3
3
3
3
2
3
3
4
4
4
4
5
5
4
3
3
3
2
2
2
2

Relative Humidity (%)

59
57
56
50
45
40
38
35
33
34
35
35
40
44
50
51
53
54
56
58
60
61
62
63

Pressure (mb)

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

Ozone (du)

345
344
343
342
342
342
341
340
339
339
339
339
338
338
338
338
339
340
339
339
339
339
340
340

Wednesday 21

Waning Crescent 39%

02:48

13:54

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
00 Bad
01 Bad

Sun - Rise: 05:39, Set: 20:16, Transit: 12:58. Moon - Rise: 02:48, Set: 13:54. Civil Dark: 20:47 - 05:07. Nautical Dark: 21:26 - 04:28. Astro Dark: 22:11 - 03:44

Total Clouds (% Sky Obscured)

79
98
99
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

2
3
10
18
28
39
49
64
76
86
92
96
97
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

0
0
16
30
43
64
82
98
99
99
100
100
100
100
100
99
99
98
98
97

High Clouds (% Sky Obscured)

78
73
80
90
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

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

Fog (%)

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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Moderate Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain

Precipitation Probability (%)

24
31
55
71
84
94
95
95
95
95
95
95
95
95
95
95
95
85
74
60

Precipitation Amount (mm)

0
0
0.2
0.3
0.5
0.5
0.6
0.6
1.3
2.2
3.5
1.8
2.1
2.2
1.9
1.2
0.8
0.6
0.4
0.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

2
2
3
3
2
2
2
2
2
5
7
11
10
10
10
10
9
9
9
9

Relative Humidity (%)

61
58
56
50
44
39
38
37
36
51
69
96
96
96
96
96
96
98
98
96

Pressure (mb)

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

Ozone (du)

340
341
341
339
337
335
333
332
331
330
328
327
329
332
334
336
338
339
341
343

Forecast for Washington Park, Montgomery County, United States of America (40.10,-75.38)

Generated: 15/05/25 06:38:43. Forecast: 15/05/25 to 21/05/25. Timezone: UTC-4.00