Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 9

Waning Crescent 6%

03:09

18:47

13 Good
14 OK
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
12 Bad

Sun - Rise: 06:15, Set: 20:32, Transit: 13:23. Moon - Rise: 03:09, Set: 18:47. Civil Dark: 21:05 - 05:42. Nautical Dark: 21:45 - 05:02. Astro Dark: 22:30 - 04:17

Total Clouds (% Sky Obscured)

18
33
42
99
100
100
100
100
100
100
90
88
83
97
100
100
100
100
100
100
98
98
94
94

Low Clouds (% Sky Obscured)

17
22
0
0
0
4
17
36
9
5
11
30
28
15
21
30
22
9
76
95
82
94
88
86

Medium Clouds (% Sky Obscured)

3
16
42
86
93
87
83
100
100
93
46
88
65
31
25
74
78
70
82
68
57
39
29
7

High Clouds (% Sky Obscured)

18
33
42
63
96
100
100
100
100
100
68
63
54
89
100
100
100
100
100
100
73
54
11
0

ISS Passover

Visibility (miles)

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

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
Very Light Rain
Very Light Rain
None
Very Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
1
12
6
13
16
4
1
1
6
24
49
54
62
40
59
70
70
68

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

41
36
33
34
36
43
55
69
65
63
64
68
62
63
69
76
90
96
96
96
98
95
98
96

Pressure (mb)

1016
1016
1016
1015
1015
1015
1015
1015
1015
1015
1014
1014
1014
1013
1013
1013
1012
1012
1012
1012
1011
1011
1011
1011

Ozone (du)

316
316
316
317
317
317
318
319
318
318
321
320
320
318
317
318
318
318
319
324
324
326
327
328

Monday 10

Waning Crescent 2%

04:31

19:33

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 OK
02 OK
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 OK
11 OK
12 Good

Sun - Rise: 06:16, Set: 20:31, Transit: 13:23. Moon - Rise: 04:31, Set: 19:33. Civil Dark: 21:03 - 05:44. Nautical Dark: 21:43 - 05:04. Astro Dark: 22:28 - 04:19

Total Clouds (% Sky Obscured)

79
86
77
64
52
45
36
39
40
59
47
64
34
43
53
68
76
73
49
92
55
48
27
16

Low Clouds (% Sky Obscured)

66
71
68
56
49
40
36
39
40
59
40
33
21
10
0
3
4
14
21
32
29
15
26
16

Medium Clouds (% Sky Obscured)

6
24
0
1
0
17
0
0
0
31
18
35
19
30
47
57
28
30
25
12
5
40
0
0

High Clouds (% Sky Obscured)

1
0
7
0
0
0
0
0
0
0
6
0
0
2
12
45
56
54
18
80
39
6
11
2

ISS Passover

Visibility (miles)

2
6
9
9
7
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
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 (%)

73
48
36
37
45
34
27
34
22
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.4
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
5
6
8
8
8
7
6
5
5
5
3
2
3
2
2
3
3
3
5
5
5
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

22
23
24
25
25
25
24
24
22
21
21
20
21
21
19
20
20
19
19
20
19
22
23
24

Dew Point (°C)

21
22
22
22
21
21
20
20
19
18
18
18
17
16
16
16
16
16
16
17
16
13
10
9

Relative Humidity (%)

98
100
98
95
87
88
85
91
98
96
96
96
95
95
96
95
96
96
95
92
81
59
45
40

Pressure (mb)

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

Ozone (du)

327
328
330
333
333
330
327
325
325
323
323
322
323
322
319
319
323
327
325
324
324
325
324
323

Tuesday 11

Waning Crescent 2%

05:55

20:08

13 Good
14 Good
15 OK
16 OK
17 OK
18 Bad
19 Bad
20 Bad
21 Bad
22 OK
23 OK
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

Sun - Rise: 06:17, Set: 20:29, Transit: 13:23. Moon - Rise: 05:55, Set: 20:08. Civil Dark: 21:02 - 05:45. Nautical Dark: 21:41 - 05:05. Astro Dark: 22:26 - 04:21

Total Clouds (% Sky Obscured)

18
15
44
29
34
100
100
100
77
30
39
92
81
81
78
55
88
97
100
99
98
97
97
96

Low Clouds (% Sky Obscured)

18
15
14
2
0
42
42
21
2
11
35
35
35
35
32
10
20
22
30
46
38
52
57
62

Medium Clouds (% Sky Obscured)

0
0
0
0
10
65
65
65
48
30
39
92
69
81
78
32
43
76
88
49
92
96
55
66

High Clouds (% Sky Obscured)

1
1
44
29
34
100
100
100
77
30
17
4
2
2
45
13
48
56
57
47
33
15
50
51

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
9
7
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
1
7
10
11
25
45
46
34
36
35
38
29

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
9
10
10
9
9
8
5
2
2
1
1
2
2
2
1
2
2
2
3
2
2
3
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

24
24
24
22
21
21
19
18
18
17
17
17
17
17
18
17
17
16
17
17
18
19
21
22

Dew Point (°C)

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

Relative Humidity (%)

36
34
35
36
37
43
51
54
65
73
72
66
65
70
71
72
82
82
85
82
80
76
71
59

Pressure (mb)

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

Ozone (du)

323
321
320
318
319
317
317
318
319
319
321
323
326
330
333
333
333
331
333
332
333
334
335
336

Wednesday 12

New Moon 0%

07:16

20:35

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

Sun - Rise: 06:18, Set: 20:28, Transit: 13:22. Moon - Rise: 07:16, Set: 20:35. Civil Dark: 21:00 - 05:46. Nautical Dark: 21:40 - 05:07. Astro Dark: 22:24 - 04:23

Total Clouds (% Sky Obscured)

100
91
80
56
55
37
22
15
8
1
17
25
41
62
74
72
69
59
53
50
46
42
57
64

Low Clouds (% Sky Obscured)

73
65
51
31
34
28
20
14
7
0
11
21
31
34
35
39
37
31
31
33
25
19
51
64

Medium Clouds (% Sky Obscured)

47
30
29
22
15
8
3
1
0
0
0
0
0
58
33
10
9
10
10
7
4
1
3
7

High Clouds (% Sky Obscured)

80
58
28
3
2
1
1
1
2
1
10
3
15
45
59
25
20
10
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
7
7
8
7
7
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

Very Light Rain
Light Rain
Very 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 (%)

55
71
60
85
69
54
15
9
6
8
6
6
8
15
6
0
0
0
0
5
6
3
21
22

Precipitation Amount (mm)

0.3
0.4
0.2
0.6
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

24
23
24
24
26
23
23
22
20
19
19
18
18
17
14
13
15
15
15
16
17
17
18
18

Dew Point (°C)

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

Relative Humidity (%)

53
58
69
64
62
73
70
78
89
96
96
96
96
93
93
92
93
92
92
86
74
61
54
52

Pressure (mb)

1009
1009
1008
1008
1008
1008
1007
1007
1008
1008
1008
1008
1008
1008
1008
1009
1009
1010
1010
1010
1011
1011
1011
1012

Ozone (du)

336
337
337
336
334
336
338
339
340
340
340
342
345
349
356
361
359
356
358
360
359
358
357
356

Thursday 13

Waxing Crescent 1%

08:33

20:57

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

Sun - Rise: 06:19, Set: 20:26, Transit: 13:22. Moon - Rise: 08:33, Set: 20:57. Civil Dark: 20:58 - 05:48. Nautical Dark: 21:38 - 05:08. Astro Dark: 22:22 - 04:25

Total Clouds (% Sky Obscured)

68
60
65
70
68
68
67
40
25
1
1
1
1
4
11
17
9
4
2
3
5
6
25
43

Low Clouds (% Sky Obscured)

65
41
60
70
68
68
67
37
25
1
1
1
1
3
3
3
3
2
2
3
4
5
12
19

Medium Clouds (% Sky Obscured)

9
9
8
7
5
4
2
1
1
0
0
0
0
4
11
17
9
4
0
0
0
0
14
29

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
3
4

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 (%)

17
2
2
1
0
1
1
0
0
0
0
0
0
0
0
0
0
0
0
1
2
0
2
3

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

Chance of Frost

Temperature (°C)

21
21
22
21
21
20
19
19
17
16
14
14
13
12
12
11
11
12
13
13
15
17
19
19

Feels Like (°C)

18
18
20
18
17
17
17
16
16
15
14
13
13
12
12
12
12
11
11
9
15
15
15
15

Dew Point (°C)

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

Relative Humidity (%)

53
47
41
43
46
47
49
54
67
67
74
78
80
84
89
92
95
89
84
79
66
55
47
44

Pressure (mb)

1012
1012
1012
1012
1012
1013
1014
1014
1015
1016
1016
1017
1017
1017
1018
1018
1018
1019
1019
1020
1020
1020
1020
1020

Ozone (du)

352
348
345
342
339
338
341
347
349
346
348
348
351
355
357
359
360
361
362
362
363
364
364
368

Friday 14

Waxing Crescent 6%

09:46

21:17

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

Sun - Rise: 06:21, Set: 20:25, Transit: 13:22. Moon - Rise: 09:46, Set: 21:17. Civil Dark: 20:57 - 05:49. Nautical Dark: 21:36 - 05:10. Astro Dark: 22:19 - 04:27

Total Clouds (% Sky Obscured)

62
67
71
75
51
26
2
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
21
44

Low Clouds (% Sky Obscured)

24
19
11
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
17
32

Medium Clouds (% Sky Obscured)

45
42
40
37
25
11
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
5
8

High Clouds (% Sky Obscured)

7
4
3
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
3

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

42
40
42
43
46
51
57
63
66
70
75
76
78
79
80
83
84
80
74
70
60
52
45
40

Pressure (mb)

1020
1020
1020
1020
1020
1020
1020
1021
1021
1022
1023
1023
1023
1024
1024
1024
1024
1025
1025
1026
1025
1025
1025
1025

Ozone (du)

372
376
373
370
367
366
365
363
362
360
358
355
352
349
346
343
340
337
334
332
330
329
328
327

Saturday 15

Waxing Crescent 12%

10:58

21:35

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: 06:22, Set: 20:23, Transit: 13:22. Moon - Rise: 10:58, Set: 21:35. Civil Dark: 20:55 - 05:50. Nautical Dark: 21:34 - 05:11. Astro Dark: 22:17 - 04:29

Total Clouds (% Sky Obscured)

63
64
70
75
82
89
96
88
81
76
71
66
66
77
85
93
91
90
86

Low Clouds (% Sky Obscured)

35
21
8
0
1
1
2
2
1
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

10
10
11
10
7
5
4
11
17
20
18
14
13
18
22
26
42
61
76

High Clouds (% Sky Obscured)

3
20
37
55
67
79
92
67
46
31
43
61
66
77
85
75
70
65
60

ISS Passover

Visibility (miles)

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

Precipitation Type

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
1
2
1

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

21
22
23
23
23
22
20
19
18
17
16
16
15
15
15
15
14
15
15

Feels Like (°C)

16
17
23
22
22
23
23
25
16
17
18
17
16
15
14
13
13
12
13

Dew Point (°C)

6
5
5
6
6
8
10
13
13
13
13
12
11
10
10
10
11
11
11

Relative Humidity (%)

36
32
32
33
32
41
53
68
72
77
82
78
75
73
74
75
78
76
75

Pressure (mb)

1024
1024
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1022
1022
1022
1022

Ozone (du)

326
325
323
322
321
319
318
316
314
313
311
310
309
308
308
308
308
308
308

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

Generated: 09/08/26 13:13:50. Forecast: 09/08/26 to 15/08/26. Timezone: UTC-4.00