Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 23

Waxing Gibbous 85%

18:41

02:24

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
18 Bad
19 Bad

Sun - Rise: 06:31, Set: 20:10, Transit: 13:20. Moon - Rise: 18:41, Set: 02:24. Civil Dark: 20:41 - 06:01. Nautical Dark: 21:18 - 05:23. Astro Dark: 21:59 - 04:43

Total Clouds (% Sky Obscured)

84
88
87
93
95
100
100
100
100
100
100
100
100
100
100
99
100
100
100
98
99
95
89
83

Low Clouds (% Sky Obscured)

84
88
87
79
84
93
100
99
100
100
100
100
100
93
100
99
97
100
100
84
86
82
83
76

Medium Clouds (% Sky Obscured)

40
49
49
52
58
67
89
89
93
98
87
79
68
63
77
84
66
72
93
73
67
90
84
38

High Clouds (% Sky Obscured)

81
3
10
2
18
37
9
68
80
99
100
43
32
64
38
2
36
35
100
48
90
36
22
2

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

49
43
36
43
47
65
64
72
89
59
83
81
51
76
70
77
37
27
30
25
23
18
31
5

Precipitation Amount (mm)

0
0
0
0
0
0.5
0.5
0.5
0.9
0
0.5
0.7
0
0.2
0.3
0.6
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

12
9
7
5
5
4
4
4
5
5
5
4
3
2
3
3
4
5
7
8
8
8
7
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

15
14
14
14
14
14
14
14
14
14
14
14
14
15
15
15
15
15
15
15
16
16
16
15

Dew Point (°C)

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

Relative Humidity (%)

95
93
96
95
98
96
96
96
96
96
98
98
98
95
92
90
85
79
82
81
77
78
89
89

Pressure (mb)

1007
1007
1007
1007
1007
1006
1006
1006
1006
1006
1006
1007
1007
1007
1008
1008
1008
1008
1009
1009
1010
1010
1011
1011

Ozone (du)

349
348
347
347
347
346
346
346
346
347
346
347
348
346
344
344
343
341
337
337
334
332
333
334

Monday 24

Waxing Gibbous 91%

19:09

03:31

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
18 Bad
19 Bad

Sun - Rise: 06:32, Set: 20:08, Transit: 13:19. Moon - Rise: 19:09, Set: 03:31. Civil Dark: 20:39 - 06:02. Nautical Dark: 21:16 - 05:24. Astro Dark: 21:57 - 04:44

Total Clouds (% Sky Obscured)

90
94
99
100
99
100
100
100
91
91
90
92
92
86
91
88
82
54
55
71
67
66
100
99

Low Clouds (% Sky Obscured)

85
73
92
100
99
100
100
100
91
91
86
86
89
86
91
88
82
52
49
71
67
66
71
28

Medium Clouds (% Sky Obscured)

57
47
64
97
90
28
27
4
5
6
13
16
6
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

2
5
8
4
7
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
100
99

ISS Passover

Visibility (miles)

9
9
9
9
9
9
8
7
6
6
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 (%)

5
9
13
13
11
11
11
3
3
1
1
3
1
0
2
2
1
0
11
4
2
2
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)

6
6
7
6
6
6
6
6
6
7
6
6
6
7
8
7
7
7
7
8
10
8
7
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

16
14
14
13
13
13
13
13
13
13
14
14
14
14
16
16
17
19
21
21
19
19
19
18

Dew Point (°C)

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

Relative Humidity (%)

92
90
90
90
93
95
95
95
95
95
93
93
92
82
73
65
62
58
51
49
63
64
61
65

Pressure (mb)

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

Ozone (du)

333
334
335
330
331
338
337
336
338
344
345
341
340
340
336
331
329
328
326
324
323
320
318
317

Tuesday 25

Waxing Gibbous 96%

19:33

04:39

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
18 Bad
19 Bad

Sun - Rise: 06:34, Set: 20:06, Transit: 13:19. Moon - Rise: 19:33, Set: 04:39. Civil Dark: 20:37 - 06:03. Nautical Dark: 21:14 - 05:26. Astro Dark: 21:54 - 04:46

Total Clouds (% Sky Obscured)

100
100
87
99
100
100
99
98
98
94
86
93
83
89
79
76
80
93
96
98
100
89
78
70

Low Clouds (% Sky Obscured)

0
0
0
0
1
7
7
13
19
26
35
32
42
48
34
28
18
35
34
33
33
34
39
39

Medium Clouds (% Sky Obscured)

0
0
0
28
35
28
82
79
74
58
56
67
51
37
22
34
36
43
40
31
38
81
58
70

High Clouds (% Sky Obscured)

100
100
87
99
100
94
92
9
21
8
2
32
60
57
74
12
58
51
71
85
100
78
58
42

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
13
98
100
93
91
59
59
59
59
59
59
59
59
59
59
59
59

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
1
2
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)

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

Chance of Frost

Temperature (°C)

17
16
15
15
15
14
14
14
14
13
13
13
14
16
19
20
22
23
24
25
25
25
24
23

Feels Like (°C)

16
16
15
16
15
15
14
14
13
13
13
13
14
16
17
20
21
23
23
23
23
24
23
20

Dew Point (°C)

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

Relative Humidity (%)

79
93
95
95
95
95
95
95
98
98
98
96
92
78
58
51
48
44
41
38
38
42
48
54

Pressure (mb)

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

Ozone (du)

316
315
315
314
314
312
311
310
309
309
310
309
307
307
307
308
308
307
307
308
309
309
309
309

Wednesday 26

Waxing Gibbous 99%

19:53

05:49

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
18 Bad
19 Bad

Sun - Rise: 06:35, Set: 20:05, Transit: 13:19. Moon - Rise: 19:53, Set: 05:49. Civil Dark: 20:35 - 06:04. Nautical Dark: 21:12 - 05:27. Astro Dark: 21:52 - 04:48

Total Clouds (% Sky Obscured)

79
65
70
59
55
98
99
99
100
100
100
100
100
71
78
76
65
85
94
92
80
86
65
69

Low Clouds (% Sky Obscured)

17
8
0
20
35
49
47
61
49
34
61
61
66
70
78
74
62
61
67
69
69
69
56
53

Medium Clouds (% Sky Obscured)

20
21
25
26
21
24
18
92
91
33
9
8
14
16
16
18
20
21
26
28
26
24
26
27

High Clouds (% Sky Obscured)

53
23
27
27
30
93
95
98
100
100
100
100
100
41
31
25
25
35
45
60
70
80
65
69

ISS Passover

Visibility (miles)

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

Fog (%)

59
59
59
59
59
59
59
59
59
59
59
59
59
59
59
59
59
59
59
59
59
59
59
59

Precipitation Type

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

Precipitation Probability (%)

3
5
5
11
12
36
71
75
95
95
95
95
95
84
91
94
90
94
89
78
70
61
56
41

Precipitation Amount (mm)

0
0
0
0
0
0
0.4
0.4
0.8
0.8
0.9
0.9
1
0.4
0.6
0.6
0.5
0.5
0.5
0.3
0.3
0
0.2
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

56
63
67
75
78
85
85
95
95
96
98
98
98
96
88
82
72
60
58
63
62
60
64
72

Pressure (mb)

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

Ozone (du)

310
312
314
313
312
310
309
309
311
312
314
315
315
316
318
319
319
320
321
322
323
324
323
320

Thursday 27

Waxing Gibbous 100%

19:53

06:58

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

Sun - Rise: 06:36, Set: 20:03, Transit: 13:19. Moon - Rise: 19:53, Set: 06:58. Civil Dark: 20:33 - 06:06. Nautical Dark: 21:10 - 05:29. Astro Dark: 21:50 - 04:49

Total Clouds (% Sky Obscured)

89
74
59
56
58
52
54
50
38
34
31
73
77
82
86
86
82
78
74
73
73
51
29
7

Low Clouds (% Sky Obscured)

67
61
50
51
53
52
54
50
38
34
27
72
77
82
86
86
81
75
70
63
55
37
19
4

Medium Clouds (% Sky Obscured)

26
22
18
12
6
0
0
0
0
0
0
0
12
24
37
42
44
49
40
33
29
18
8
1

High Clouds (% Sky Obscured)

60
30
0
0
0
0
0
0
0
0
0
0
1
2
3
3
2
1
1
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 (%)

59
59
59
59
59
59
59
59
59
59
59
59
59
59
59
59
59
59
59
59
59
59
59
59

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 (%)

38
28
18
17
13
6
5
4
1
2
2
0
1
1
0
1
0
0
0
0
0
0
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

20
19
19
19
19
19
19
18
17
17
17
16
15
15
15
15
16
16
17
19
18
18
19
19

Dew Point (°C)

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

Relative Humidity (%)

84
86
90
95
96
98
98
98
93
93
96
96
92
82
73
64
60
55
52
49
48
45
53
62

Pressure (mb)

1010
1011
1011
1011
1012
1013
1013
1013
1014
1014
1015
1016
1017
1017
1018
1018
1018
1018
1018
1018
1018
1018
1019
1019

Ozone (du)

319
319
320
321
322
324
325
323
323
323
323
322
321
321
320
319
320
322
323
323
323
323
324
325

Friday 28

Full Moon 99%

20:11

08:08

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

Sun - Rise: 06:37, Set: 19:59, Transit: 13:18. Moon - Rise: 20:11, Set: 08:08. Civil Dark: 20:31 - 06:07. Nautical Dark: 21:08 - 05:30. Astro Dark: 21:48 - 04:51

Total Clouds (% Sky Obscured)

11
13
13
12
12
13
12
14
19
25
31
43
48
49
50
49
53
53
48
43
42
43
45
43

Low Clouds (% Sky Obscured)

3
1
0
12
12
13
12
14
19
25
29
20
20
23
25
26
30
31
34
36
33
25
13
9

Medium Clouds (% Sky Obscured)

2
2
2
2
2
0
0
0
0
0
0
4
9
14
20
23
22
20
18
16
11
10
7
4

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
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

59
59
59
59
59
59
59
59
59
59
59
59
59
59
59
59
59
59
59
59
59
59
59
59

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

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

73
76
80
84
87
87
89
92
91
95
88
84
81
68
58
49
45
40
36
38
38
39
47
59

Pressure (mb)

1019
1020
1020
1021
1021
1021
1021
1022
1022
1022
1022
1023
1023
1023
1022
1022
1022
1022
1021
1021
1020
1020
1020
1019

Ozone (du)

325
327
328
329
330
331
332
331
331
330
330
330
330
330
331
331
331
331
331
331
331
332
331
331

Saturday 29

Waning Gibbous 95%

20:29

09:20

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

Sun - Rise: 06:38, Set: 19:57, Transit: 13:18. Moon - Rise: 20:29, Set: 09:20. Civil Dark: 20:30 - 06:08. Nautical Dark: 21:06 - 05:32. Astro Dark: 21:45 - 04:53

Total Clouds (% Sky Obscured)

62
67
74
71
68
65
73
82
92
94
96
99
99
100
100
76
52
28

Low Clouds (% Sky Obscured)

32
56
74
71
64
55
68
81
92
86
83
81
83
78
72
53
33
14

Medium Clouds (% Sky Obscured)

5
3
6
14
12
7
8
8
18
22
23
23
13
32
39
32
29
25

High Clouds (% Sky Obscured)

0
0
0
0
0
0
5
18
39
49
73
76
75
73
75
52
27
0

ISS Passover

Visibility (miles)

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

Fog (%)

59
59
59
59
59
59
59
59
59
59
59
59
59
59
59
59
59
59

Precipitation Type

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

Precipitation Probability (%)

5
6
3
13
18
22
21
20
18
27
36
44
50
54
56
67
75
81

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

15
15
15
15
15
14
13
13
13
13
13
13
13
15
16
18
18
19

Feels Like (°C)

20
13
14
15
15
15
15
13
13
12
12
12
12
13
14
14
16
17

Dew Point (°C)

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

Relative Humidity (%)

72
68
66
62
70
79
89
89
90
90
92
95
96
90
86
81
83
86

Pressure (mb)

1019
1019
1019
1019
1019
1019
1019
1019
1018
1018
1018
1018
1018
1018
1018
1017
1017
1016

Ozone (du)

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

Forecast for Glen Echo, Canada (44.94,-79.51)

Generated: 23/08/26 20:09:28. Forecast: 23/08/26 to 29/08/26. Timezone: UTC-4.00