Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 21

Waxing Gibbous 68%

16:30

00:29

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

Sun - Rise: 06:28, Set: 20:13, Transit: 13:20. Moon - Rise: 16:30, Set: 00:29. Civil Dark: 20:44 - 05:57. Nautical Dark: 21:22 - 05:19. Astro Dark: 22:03 - 04:37

Total Clouds (% Sky Obscured)

4
17
6
36
72
41
29
75
18
38
73
54
37
35
31
16
17
25
56
89
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
9
19
30
39
33
32
12
6
2
2
2
2
2
2
6
2

Medium Clouds (% Sky Obscured)

0
0
0
20
35
33
26
75
10
22
64
42
19
16
19
9
10
16
46
37
34
62
91
88

High Clouds (% Sky Obscured)

4
17
6
36
31
1
0
1
2
2
12
2
0
0
0
0
2
2
19
75
100
100
100
100

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
45
100
66
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
1

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

Chance of Frost

Temperature (°C)

11
11
11
11
16
18
19
21
23
24
25
25
25
25
24
23
21
19
18
17
16
15
16
16

Feels Like (°C)

12
11
10
10
15
17
19
21
21
24
24
23
24
24
24
24
22
19
18
16
15
14
14
13

Dew Point (°C)

7
7
7
7
10
8
6
5
4
5
5
5
5
6
7
12
13
12
11
11
11
10
9
8

Relative Humidity (%)

76
75
76
75
66
53
42
35
30
28
27
27
27
28
32
48
61
63
66
68
69
70
66
58

Pressure (mb)

1020
1020
1020
1021
1021
1021
1021
1020
1020
1020
1019
1019
1018
1017
1017
1017
1017
1017
1017
1017
1017
1017
1016
1016

Ozone (du)

321
321
322
324
324
323
324
326
325
324
323
323
321
317
316
316
316
318
319
319
320
320
319
320

Saturday 22

Waxing Gibbous 77%

17:22

01:23

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
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 06:29, Set: 20:12, Transit: 13:20. Moon - Rise: 17:22, Set: 01:23. Civil Dark: 20:42 - 05:58. Nautical Dark: 21:20 - 05:20. Astro Dark: 22:01 - 04:39

Total Clouds (% Sky Obscured)

98
99
100
100
100
100
100
100
94
96
100
100
100
100
100
100
100
100
100
100
100
100
100
98

Low Clouds (% Sky Obscured)

1
26
45
52
37
32
35
41
25
36
44
52
47
59
63
59
62
81
70
65
89
90
78
73

Medium Clouds (% Sky Obscured)

93
90
77
100
100
100
93
100
92
88
94
72
100
100
100
94
87
84
100
83
80
74
54
39

High Clouds (% Sky Obscured)

95
98
100
100
100
95
98
96
44
66
100
100
100
100
100
100
100
100
100
100
100
100
100
88

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

0
1
4
27
9
37
39
24
21
19
38
55
67
95
62
71
67
95
95
90
95
95
73
35

Precipitation Amount (mm)

0
0
0
0
0
0.2
0
0
0
0
0
0.2
0
0.6
0
0.2
0
0.6
0.9
0.6
1.2
1.1
0.4
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

13
13
14
14
15
17
18
18
19
20
22
22
21
20
20
19
18
18
17
17
18
17
17
17

Dew Point (°C)

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

Relative Humidity (%)

60
60
68
73
75
78
67
88
82
71
53
57
61
59
95
95
96
98
98
98
100
98
100
100

Pressure (mb)

1015
1015
1015
1014
1014
1014
1014
1013
1012
1012
1011
1010
1009
1010
1009
1009
1009
1009
1009
1008
1008
1007
1007
1006

Ozone (du)

320
320
319
319
317
317
318
318
316
317
318
319
320
321
323
326
325
327
326
328
329
331
334
336

Sunday 23

Waxing Gibbous 85%

18:06

02:24

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
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 06:30, Set: 20:10, Transit: 13:20. Moon - Rise: 18:06, Set: 02:24. Civil Dark: 20:41 - 05:59. Nautical Dark: 21:18 - 05:22. Astro Dark: 21:59 - 04:41

Total Clouds (% Sky Obscured)

81
77
78
75
90
85
100
96
95
96
100
100
100
100
100
100
98
93
77
55
47
47
50
61

Low Clouds (% Sky Obscured)

63
63
71
72
87
84
81
89
86
67
68
65
72
95
91
97
90
63
23
26
36
34
38
50

Medium Clouds (% Sky Obscured)

7
5
22
26
6
8
25
22
24
25
85
95
92
88
71
87
83
81
27
20
19
20
16
13

High Clouds (% Sky Obscured)

46
30
35
35
5
5
56
57
63
81
87
100
100
35
25
35
39
50
55
21
0
0
0
0

ISS Passover

Visibility (miles)

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

Fog (%)

0
65
51
22
41
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

24
33
27
31
33
41
54
95
95
95
95
95
82
51
39
27
9
11
7
7
5
6
4
5

Precipitation Amount (mm)

0
0.2
0
0.2
0
0
0
1
1.4
1.7
1.4
0.8
0.5
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
100
98
98
96
92
95
93
92
89
89
92
95
96
93
92
95
95
96
96
98
98
98
98

Pressure (mb)

1006
1006
1006
1007
1007
1008
1008
1008
1008
1009
1009
1009
1010
1010
1011
1011
1012
1012
1013
1013
1014
1014
1014
1014

Ozone (du)

338
341
344
344
346
346
347
349
350
351
352
351
350
349
348
347
346
348
352
354
354
355
356
357

Monday 24

Waxing Gibbous 91%

18:41

03:31

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 OK
20 OK
21 OK
22 Good
23 OK
00 OK
01 Bad
02 OK
03 OK

Sun - Rise: 06:31, Set: 20:08, Transit: 13:20. Moon - Rise: 18:41, Set: 03:31. Civil Dark: 20:39 - 06:01. Nautical Dark: 21:16 - 05:23. Astro Dark: 21:57 - 04:43

Total Clouds (% Sky Obscured)

54
53
56
71
74
72
71
70
69
73
77
82
87
71
57
42
33
22
12
24
41
50
36
35

Low Clouds (% Sky Obscured)

44
40
38
37
35
50
53
50
49
51
58
64
73
64
56
42
33
22
12
24
41
50
22
18

Medium Clouds (% Sky Obscured)

11
15
20
20
72
71
71
70
69
30
25
61
22
31
28
10
5
4
0
2
5
8
6
3

High Clouds (% Sky Obscured)

0
1
1
15
15
20
2
20
4
1
8
24
2
10
18
28
2
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 (%)

4
7
5
2
4
31
35
34
33
31
34
16
2
1
0
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
96
96
96
92
80
83
90
90
89
81
71
65
65
69
75
74
76
84
87
83
82
84
95

Pressure (mb)

1014
1014
1014
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1016
1016
1016
1016
1017
1017
1017
1017
1017
1017

Ozone (du)

354
349
346
345
345
345
342
338
338
336
335
333
332
333
333
334
337
341
341
341
340
341
342
342

Tuesday 25

Waxing Gibbous 96%

19:09

No Set

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

Sun - Rise: 06:32, Set: 20:06, Transit: 13:19. Moon - Rise: 19:09, Set: No Set. Civil Dark: 20:37 - 06:02. Nautical Dark: 21:14 - 05:24. Astro Dark: 21:54 - 04:44

Total Clouds (% Sky Obscured)

35
40
42
45
52
59
86
71
44
30
28
24
20
40
60
80
56
31
7
8
9
10
43
78

Low Clouds (% Sky Obscured)

16
16
18
19
20
27
34
32
26
21
17
13
10
7
4
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

1
1
1
1
6
11
16
11
5
0
0
0
0
0
0
0
0
0
0
0
0
0
20
41

High Clouds (% Sky Obscured)

1
1
1
0
0
0
15
15
0
0
2
4
6
31
56
72
53
31
7
8
9
10
43
73

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
1
0
0
1
1
0
2
2
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)

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

Chance of Frost

Temperature (°C)

12
13
13
13
15
17
18
20
20
21
22
22
22
22
21
19
17
16
16
15
14
14
13
13

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
96
95
96
90
73
59
51
45
41
39
37
38
41
46
57
76
79
83
87
89
89
90
90

Pressure (mb)

1017
1017
1017
1017
1018
1018
1018
1017
1017
1017
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1017
1016

Ozone (du)

339
338
338
337
338
334
333
333
332
330
328
326
325
323
320
319
317
317
317
317
317
317
317
317

Wednesday 26

Waxing Gibbous 99%

19:33

04:39

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
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 06:34, Set: 20:05, Transit: 13:19. Moon - Rise: 19:33, Set: 04:39. Civil Dark: 20:35 - 06:03. Nautical Dark: 21:12 - 05:26. Astro Dark: 21:52 - 04:46

Total Clouds (% Sky Obscured)

99
90
80
59
67
83
99
90
81
73
77
88
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
4
7
10
11
11
10
24
42
56
66
76
87
85
86

Medium Clouds (% Sky Obscured)

64
55
46
35
30
28
22
19
15
14
33
51
64
56
44
32
26
26
30
56
72
88
69
51

High Clouds (% Sky Obscured)

90
79
65
43
60
75
92
76
56
40
45
73
100
100
100
100
99
98
98
97
96
95
100
95

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
3
4
2
3
2
0
0
0
0
0
0
0
1
1
0
12
16
16
31
34

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
4
4
4
4
4
5
5
6
6
6
6
5
5
5
5
5
5
5
5
5
4
4
4

Chance of Frost

Temperature (°C)

13
13
14
14
15
17
19
21
22
23
25
25
25
25
23
22
21
20
19
18
18
18
18
17

Feels Like (°C)

12
12
12
13
12
16
16
16
16
18
19
25
24
24
24
24
24
19
19
19
19
18
19
17

Dew Point (°C)

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

Relative Humidity (%)

90
90
83
79
74
62
52
44
39
36
33
37
42
47
53
57
63
64
63
64
64
65
66
64

Pressure (mb)

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

Ozone (du)

317
317
315
314
313
312
312
311
311
311
311
311
311
312
312
312
313
313
314
314
314
314
314
313

Thursday 27

Waxing Gibbous 100%

19:53

05:49

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
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad

Sun - Rise: 06:35, Set: 20:03, Transit: 13:19. Moon - Rise: 19:53, Set: 05:49. Civil Dark: 20:33 - 06:04. Nautical Dark: 21:10 - 05:27. Astro Dark: 21:50 - 04:48

Total Clouds (% Sky Obscured)

100
100
100
100
99
98
98
99
99
99
99
100
100
84
69
54
61
68
76
78
79
78

Low Clouds (% Sky Obscured)

85
64
53
48
58
68
74
59
38
29
38
50
62
66
69
54
58
52
47
52
58
61

Medium Clouds (% Sky Obscured)

37
43
51
56
48
35
24
32
38
46
44
39
34
43
53
54
54
50
47
39
33
25

High Clouds (% Sky Obscured)

96
97
98
99
98
96
96
97
98
98
98
98
98
75
54
36
58
68
71
58
41
24

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

32
29
22
3
14
21
27
75
95
95
95
95
95
95
95
95
95
95
74
73
63
52

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.4
0.8
1
1.2
1.5
1.8
2.2
2.6
2.8
1.6
0.8
0.2
0.3
0.3
0.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

62
62
63
65
67
64
62
60
62
63
64
72
80
89
91
92
93
95
98
98
98
100

Pressure (mb)

1011
1011
1011
1011
1011
1010
1010
1009
1009
1009
1009
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008

Ozone (du)

313
312
313
314
315
316
318
319
319
318
318
316
314
312
312
311
311
312
312
313
316
319

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

Generated: 21/08/26 04:43:39. Forecast: 21/08/26 to 27/08/26. Timezone: UTC-4.00