Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 18

Third Quarter 43%

01:06

14:02

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
13 Bad
14 Bad
15 Bad

Sun - Rise: 05:05, Set: 20:46, Transit: 12:55. Moon - Rise: 01:06, Set: 14:02. Civil Dark: 21:24 - 04:27. Nautical Dark: 22:15 - 03:36. Astro Dark: 23:24 - 02:27

Total Clouds (% Sky Obscured)

100
100
93
100
100
99
98
100
99
99
97
98
100
100
100
100
100
100
100
100
100
62
100
100

Low Clouds (% Sky Obscured)

44
53
15
24
0
14
7
12
29
41
39
48
61
81
75
67
76
76
35
45
68
41
85
84

Medium Clouds (% Sky Obscured)

4
15
74
30
9
22
48
71
78
66
71
93
72
66
97
100
70
100
95
100
94
35
63
88

High Clouds (% Sky Obscured)

100
91
29
100
100
99
90
100
93
96
84
71
92
78
100
94
98
99
99
99
94
21
73
78

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
4
2
9
9
9
8
4
3
4

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

Precipitation Probability (%)

0
0
0
12
3
1
1
1
3
5
16
54
69
82
81
73
48
39
54
61
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.3
0.3
0.6
0.5
0.4
0
0
0
0
0.8
1.1
0.5
0.8

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

28
28
27
27
25
23
22
22
22
21
21
21
21
21
21
21
22
23
24
24
25
25
25
27

Feels Like (°C)

29
28
28
28
27
26
24
25
24
24
23
23
23
22
23
23
24
25
26
25
27
27
28
29

Dew Point (°C)

22
20
20
21
22
22
22
21
21
20
20
20
20
20
20
21
21
22
23
23
23
23
25
25

Relative Humidity (%)

72
64
64
70
83
92
95
95
94
94
95
95
96
96
96
96
96
94
95
94
91
87
95
92

Pressure (mb)

1008
1008
1008
1008
1008
1009
1009
1009
1009
1009
1008
1008
1008
1007
1007
1007
1006
1006
1005
1004
1003
1003
1002
1002

Ozone (du)

316
315
314
312
312
312
315
316
317
316
314
314
314
314
316
316
315
316
319
320
321
319
319
320

Thursday 19

Waning Crescent 31%

01:25

15:21

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
13 Bad
14 Bad
15 Bad

Sun - Rise: 05:05, Set: 20:46, Transit: 12:56. Moon - Rise: 01:25, Set: 15:21. Civil Dark: 21:24 - 04:27. Nautical Dark: 22:15 - 03:36. Astro Dark: 23:24 - 02:27

Total Clouds (% Sky Obscured)

76
85
71
84
72
88
99
100
100
100
100
100
97
98
100
79
70
67
72
68
62
62
97
58

Low Clouds (% Sky Obscured)

59
35
47
61
56
82
99
100
100
100
100
100
81
60
67
62
51
51
53
46
33
24
29
25

Medium Clouds (% Sky Obscured)

63
43
4
10
30
30
34
45
60
61
52
46
82
95
97
62
60
60
50
40
25
25
20
12

High Clouds (% Sky Obscured)

26
30
42
23
35
2
6
4
28
14
0
7
0
0
1
3
70
55
72
68
62
62
97
58

ISS Passover

Visibility (miles)

9
9
4
8
1
2
4
9
9
9
9
9
9
4
5
5
4
4
6
3
2
8
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
Light Rain
Light Rain
Moderate Rain
Light Rain
None
None
None
None
None
None
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
None
None
None

Precipitation Probability (%)

81
72
86
95
95
95
51
40
20
35
53
69
79
72
65
69
69
82
89
95
95
52
18
13

Precipitation Amount (mm)

0.2
0.4
0.6
1.3
3.8
1
0
0
0
0
0
0
0.2
0.3
0.3
0.3
0.2
0.3
0.4
1.3
0.9
0
0
0

Wind Speed/Direction (mph)

7
5
8
7
8
11
10
9
10
9
6
7
9
7
7
7
10
12
13
15
16
15
14
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

27
28
29
30
27
24
23
22
20
19
20
19
19
20
18
18
17
17
17
17
18
20
21
22

Dew Point (°C)

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

Relative Humidity (%)

94
94
90
91
95
97
96
96
91
92
93
93
95
95
95
96
96
96
95
96
96
96
94
92

Pressure (mb)

1001
1000
999
999
999
1000
1000
999
999
998
998
998
998
999
1001
1002
1003
1004
1005
1006
1007
1008
1009
1009

Ozone (du)

321
322
321
322
321
321
326
325
326
330
333
332
334
339
340
345
350
351
350
349
342
343
345
351

Friday 20

Waning Crescent 21%

01:47

No Set

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

Sun - Rise: 05:05, Set: 20:46, Transit: 12:56. Moon - Rise: 01:47, Set: No Set. Civil Dark: 21:24 - 04:27. Nautical Dark: 22:15 - 03:36. Astro Dark: 23:24 - 02:27

Total Clouds (% Sky Obscured)

60
61
10
5
23
99
82
29
46
47
31
26
52
60
49
9
4
0
7
48
67
100
100
100

Low Clouds (% Sky Obscured)

21
12
10
5
0
0
0
0
0
0
1
2
13
31
37
8
1
0
6
20
12
0
0
0

Medium Clouds (% Sky Obscured)

1
0
0
0
0
55
67
26
43
47
29
21
30
25
8
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

60
61
0
0
23
95
19
2
0
0
0
0
0
0
0
0
0
0
3
30
62
100
100
100

ISS Passover

Visibility (miles)

9
9
5
8
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
Very 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 (%)

28
45
36
26
13
0
1
0
0
2
0
0
0
0
0
0
1
1
2
4
5
5
2
3

Precipitation Amount (mm)

0
0.2
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

24
25
25
28
26
23
21
22
20
20
20
19
19
17
18
20
22
23
25
26
26
25
27
27

Dew Point (°C)

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

Relative Humidity (%)

88
82
82
85
88
92
92
93
95
95
95
93
92
89
89
88
81
74
62
54
50
49
50
52

Pressure (mb)

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

Ozone (du)

353
358
368
366
364
365
365
364
362
361
361
360
360
363
365
367
359
351
344
342
343
344
343
341

Saturday 21

Waning Crescent 12%

02:15

16:44

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
13 Bad
14 Bad
15 Bad

Sun - Rise: 05:06, Set: 20:46, Transit: 12:56. Moon - Rise: 02:15, Set: 16:44. Civil Dark: 21:24 - 04:28. Nautical Dark: 22:15 - 03:37. Astro Dark: 23:24 - 02:28

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
99
89
83
72
51
51
60
69
76
76
74
76
75
71
50

Low Clouds (% Sky Obscured)

2
9
8
12
12
11
42
64
79
83
73
73
62
27
28
40
61
76
76
74
76
75
62
41

Medium Clouds (% Sky Obscured)

0
23
43
70
65
65
60
61
57
51
34
15
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
96
95
67
33
0
0
0
1
1
1
2
0
1
0
4
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

2
22
12
17
19
26
43
66
82
95
88
83
69
50
32
2
4
3
16
18
9
18
2
1

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

27
27
26
25
24
23
23
22
22
22
21
21
22
21
22
22
23
24
25
26
27
27
28
29

Feels Like (°C)

27
27
28
26
26
24
24
23
23
23
23
23
24
24
24
25
25
26
26
27
27
28
29
30

Dew Point (°C)

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

Relative Humidity (%)

55
59
71
79
84
88
88
89
89
89
92
94
95
96
95
89
83
79
78
78
71
69
68
62

Pressure (mb)

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

Ozone (du)

338
334
333
330
327
327
329
328
327
325
325
325
322
321
322
320
319
320
319
318
317
317
318
318

Sunday 22

Waning Crescent 5%

02:51

18:09

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
13 Bad
14 Bad
15 Bad

Sun - Rise: 05:06, Set: 20:47, Transit: 12:56. Moon - Rise: 02:51, Set: 18:09. Civil Dark: 21:24 - 04:28. Nautical Dark: 22:15 - 03:37. Astro Dark: 23:24 - 02:28

Total Clouds (% Sky Obscured)

61
75
80
65
93
66
62
71
85
99
100
100
100
72
71
52
63
76
91
74
57
40
51
62

Low Clouds (% Sky Obscured)

45
62
44
21
30
37
43
41
37
57
62
65
77
52
48
43
50
49
50
28
14
3
7
4

Medium Clouds (% Sky Obscured)

0
0
0
0
10
19
25
14
8
11
3
4
2
3
3
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
33
67
65
93
66
62
71
85
75
83
83
75
58
47
24
14
3
0
8
15
23
38
53

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
1
0
0
0
1
1
3
18
20
18
18
2
0
0
5
7
7
7
2
1
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
7
5
4
4
3
2
3
3
4
4
4
4
4
5
6
8
8
9
10
10
11
11
12

Chance of Frost

Temperature (°C)

29
30
29
28
27
26
25
24
24
24
24
23
23
23
24
24
26
27
28
30
31
32
33
34

Feels Like (°C)

32
31
31
32
33
29
30
28
28
26
26
26
26
25
26
27
29
30
30
31
32
32
33
39

Dew Point (°C)

22
22
23
24
24
23
23
22
22
22
22
22
23
22
23
23
24
24
25
25
25
25
25
25

Relative Humidity (%)

63
64
71
75
83
86
88
88
88
88
91
94
95
95
95
94
88
84
80
74
70
65
60
61

Pressure (mb)

1013
1013
1013
1013
1013
1014
1014
1014
1014
1014
1014
1014
1014
1014
1015
1015
1015
1015
1014
1014
1014
1014
1013
1013

Ozone (du)

317
316
314
312
310
308
306
305
304
305
303
302
303
304
304
303
303
303
303
304
303
302
301
301

Monday 23

Waning Crescent 1%

03:39

19:31

16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 OK
22 OK
23 OK
00 OK
01 OK
02 OK
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

Sun - Rise: 05:06, Set: 20:47, Transit: 12:56. Moon - Rise: 03:39, Set: 19:31. Civil Dark: 21:25 - 04:28. Nautical Dark: 22:15 - 03:38. Astro Dark: 23:24 - 02:29

Total Clouds (% Sky Obscured)

63
54
46
31
24
20
20
19
17
15
39
68
99
86
72
58
62
61
60
52
33
12
13
11

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
13
28
41
53
61
60
52
33
12
13
11

Medium Clouds (% Sky Obscured)

1
1
0
0
0
0
0
0
0
0
0
0
0
5
9
13
6
2
0
0
0
0
0
0

High Clouds (% Sky Obscured)

63
54
46
31
24
20
20
19
17
15
39
68
94
71
48
24
44
61
60
52
33
12
13
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
1
1
0
0
0
0
0
0
0
0
0
0
5
8
9
20
13
9
15
16
17
24
25

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)

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

Chance of Frost

Temperature (°C)

35
36
34
33
32
31
30
28
28
27
26
26
25
25
25
26
27
28
29
30
31
32
33
33

Feels Like (°C)

39
37
37
37
37
33
33
33
32
32
32
27
27
27
26
27
26
30
30
31
31
32
33
38

Dew Point (°C)

27
27
27
27
27
26
25
24
23
23
23
23
23
23
23
23
23
23
23
23
23
23
24
24

Relative Humidity (%)

62
62
66
69
74
74
74
75
76
78
81
83
84
87
86
83
82
76
71
66
63
59
58
57

Pressure (mb)

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

Ozone (du)

301
301
301
300
300
298
297
295
294
293
293
293
293
293
294
294
294
294
293
293
293
294
294
294

Tuesday 24

Waning Crescent 0%

04:41

20:44

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
13 Bad

Sun - Rise: 05:07, Set: 20:47, Transit: 12:57. Moon - Rise: 04:41, Set: 20:44. Civil Dark: 21:25 - 04:29. Nautical Dark: 22:15 - 03:38. Astro Dark: 23:24 - 02:29

Total Clouds (% Sky Obscured)

10
12
15
24
39
72
78
52
35
36
43
56
64
61
56
52
68
84
100
93
86
79

Low Clouds (% Sky Obscured)

10
12
15
24
39
39
33
38
35
36
27
14
2
7
16
24
36
41
45
36
31
19

Medium Clouds (% Sky Obscured)

0
0
2
3
10
18
19
7
7
7
6
4
0
0
0
0
1
2
3
13
23
29

High Clouds (% Sky Obscured)

1
2
4
5
11
16
21
29
34
36
33
47
60
43
24
4
5
6
7
15
23
32

ISS Passover

Visibility (miles)

9
9
9
8
8
8
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

Precipitation Type

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

Precipitation Probability (%)

19
61
68
65
63
57
50
44
38
33
36
36
32
25
15
1
1
1
0
6
9
12

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

34
34
32
31
30
28
27
26
25
24
23
22
22
21
21
21
21
21
22
22
23
25

Feels Like (°C)

36
36
36
36
37
32
33
33
33
32
31
26
26
25
24
24
23
22
22
21
21
21

Dew Point (°C)

24
24
24
25
25
25
25
24
23
22
22
21
20
20
18
17
16
15
14
13
14
14

Relative Humidity (%)

55
55
61
69
76
81
86
91
91
91
92
92
92
93
85
79
73
67
62
58
55
51

Pressure (mb)

1014
1014
1014
1014
1014
1015
1015
1016
1016
1016
1017
1017
1018
1018
1019
1019
1020
1020
1020
1020
1020
1019

Ozone (du)

293
293
293
292
292
292
292
292
292
292
292
292
293
293
293
293
293
294
295
295
295
295

Forecast for Le Vieux-Port, Montréal, Canada (45.50,-73.57)

Generated: 18/06/25 16:22:48. Forecast: 18/06/25 to 24/06/25. Timezone: UTC-4.00