Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 4

Waning Crescent 28%

00:50

16:16

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 OK
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad

Sun - Rise: 06:58, Set: 18:28, Transit: 12:42. Moon - Rise: 00:50, Set: 16:16. Civil Dark: 18:57 - 06:29. Nautical Dark: 19:31 - 05:54. Astro Dark: 20:06 - 05:20

Total Clouds (% Sky Obscured)

82
87
87
98
96
100
100
98
100
100
95
99
98
97
94
54
33
36
21
58
81
81
83
63

Low Clouds (% Sky Obscured)

81
79
79
89
81
80
75
78
75
91
87
80
78
57
73
46
30
35
18
58
69
72
77
58

Medium Clouds (% Sky Obscured)

82
54
34
52
84
100
100
96
100
100
87
96
91
89
41
9
0
0
0
0
31
26
13
14

High Clouds (% Sky Obscured)

16
0
0
0
6
100
50
50
45
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
7
6
3
2
7
3
9
9
9
9
6
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
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
Very Light Rain
None
None
None
None
None
None
None

Precipitation Probability (%)

7
8
24
21
30
36
48
58
73
95
92
88
77
33
14
35
60
44
13
18
10
14
2
0

Precipitation Amount (mm)

0
0
0
0
0
0
0.2
0.2
0.5
1
0.8
0.6
0.5
0
0
0
0.3
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

13
12
12
10
8
8
8
8
8
9
9
8
11
12
11
11
11
13
15
16
17
17
16
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

15
13
12
13
12
12
12
11
11
10
10
11
10
9
8
8
9
9
8
8
7
6
6
6

Dew Point (°C)

9
8
8
8
9
9
10
11
10
11
11
11
11
10
10
9
9
8
6
3
1
3
1
0

Relative Humidity (%)

55
55
57
60
67
70
78
86
86
92
95
93
90
89
90
86
83
76
66
53
45
52
46
45

Pressure (mb)

1016
1016
1016
1015
1015
1014
1013
1012
1012
1011
1010
1009
1009
1009
1010
1010
1010
1011
1011
1011
1011
1011
1011
1011

Ozone (du)

316
316
314
313
314
317
319
321
325
327
328
330
335
341
345
350
354
363
368
370
366
364
361
361

Monday 5

Waning Crescent 19%

02:09

16:40

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

Sun - Rise: 07:00, Set: 18:26, Transit: 12:42. Moon - Rise: 02:09, Set: 16:40. Civil Dark: 18:55 - 06:30. Nautical Dark: 19:29 - 05:56. Astro Dark: 20:04 - 05:21

Total Clouds (% Sky Obscured)

80
73
32
22
18
17
18
50
64
69
70
52
55
11
15
31
55
62
36
14
3
1
4
6

Low Clouds (% Sky Obscured)

73
70
22
14
13
12
15
50
64
69
70
52
55
10
11
21
54
61
36
12
3
1
4
4

Medium Clouds (% Sky Obscured)

26
3
15
3
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
4
2
0
0
0
0
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
1
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)

15
15
15
14
14
14
14
14
14
15
14
14
13
13
13
13
13
13
13
13
13
13
14
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

6
5
3
4
3
3
3
2
1
0
1
0
0
0
1
1
2
2
3
6
7
8
8
8

Dew Point (°C)

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

Relative Humidity (%)

49
53
58
59
54
53
59
63
61
59
57
56
56
55
58
60
58
52
47
44
39
35
34
35

Pressure (mb)

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

Ozone (du)

360
361
361
362
364
365
364
361
357
353
352
348
345
343
340
337
335
333
331
331
331
331
329
326

Tuesday 6

Waning Crescent 11%

03:26

17:00

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

Sun - Rise: 07:01, Set: 18:24, Transit: 12:41. Moon - Rise: 03:26, Set: 17:00. Civil Dark: 18:53 - 06:31. Nautical Dark: 19:28 - 05:57. Astro Dark: 20:02 - 05:23

Total Clouds (% Sky Obscured)

1
2
0
0
3
8
26
91
67
80
98
99
97
59
89
92
71
90
93
100
96
99
99
98

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
3
22
25
2
57
21
23
32
29
42
52
50
32
50
50
45

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
3
25
29
68
98
60
42
86
92
57
85
82
100
83
50
56
44

High Clouds (% Sky Obscured)

0
1
0
0
2
6
16
89
45
54
95
71
66
6
15
29
47
42
62
53
6
4
2
6

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
Very Light Rain
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
9
37
23
12
20
20
21
36
22
21
19

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
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

9
8
8
7
7
7
6
5
4
5
4
3
3
3
3
3
3
6
7
9
9
11
13
13

Dew Point (°C)

-2
-2
-2
-2
-1
-1
-1
-1
-1
0
1
1
-0
-1
-0
0
0
-0
0
1
3
4
6
6

Relative Humidity (%)

37
40
43
46
51
53
55
58
60
63
66
66
65
64
65
59
56
48
45
43
50
46
53
57

Pressure (mb)

1016
1016
1016
1017
1017
1017
1017
1016
1017
1017
1016
1016
1015
1015
1014
1013
1013
1012
1011
1010
1009
1008
1008
1007

Ozone (du)

323
320
317
312
309
306
305
305
304
302
300
299
298
298
297
296
296
296
296
298
301
299
299
300

Wednesday 7

Waning Crescent 5%

04:41

17:00

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
16 Bad

Sun - Rise: 07:02, Set: 18:22, Transit: 12:41. Moon - Rise: 04:41, Set: 17:00. Civil Dark: 18:51 - 06:33. Nautical Dark: 19:26 - 05:58. Astro Dark: 20:00 - 05:24

Total Clouds (% Sky Obscured)

98
98
98
92
74
57
85
87
88
83
71
74
79
82
77
62
68
69
55
82
63
83
50
91

Low Clouds (% Sky Obscured)

59
79
92
74
61
35
80
73
64
62
54
74
79
82
77
62
68
67
55
54
49
54
49
51

Medium Clouds (% Sky Obscured)

43
41
37
74
36
24
85
41
35
37
33
34
33
28
24
26
25
24
18
10
2
54
19
73

High Clouds (% Sky Obscured)

4
41
41
32
6
5
1
2
3
28
51
70
47
20
2
0
2
17
7
50
29
43
5
0

ISS Passover

Visibility (miles)

9
9
9
9
9
8
7
5
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
Very Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

22
22
24
30
31
41
46
42
38
55
68
80
75
65
48
42
37
34
42
45
45
35
33
41

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.3
0.4
0.4
0.3
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

7
7
7
8
9
10
11
11
11
11
11
12
12
12
12
12
12
11
11
10
9
7
6
6

Relative Humidity (%)

59
62
63
67
75
81
90
92
92
92
93
96
96
96
96
96
90
80
73
65
56
48
44
45

Pressure (mb)

1007
1007
1006
1006
1006
1006
1006
1006
1005
1005
1005
1005
1004
1005
1005
1005
1005
1005
1006
1005
1005
1005
1005
1005

Ozone (du)

301
301
303
303
303
304
305
307
307
310
311
315
318
322
325
327
326
326
327
328
329
330
332
334

Thursday 8

Waning Crescent 1%

05:53

17:19

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

Sun - Rise: 07:03, Set: 18:20, Transit: 12:41. Moon - Rise: 05:53, Set: 17:19. Civil Dark: 18:50 - 06:34. Nautical Dark: 19:24 - 06:00. Astro Dark: 19:58 - 05:25

Total Clouds (% Sky Obscured)

90
88
86
44
40
35
29
28
31
24
23
17
48
73
78
70
63
56
58
58
59
71
83
95

Low Clouds (% Sky Obscured)

49
52
39
42
40
35
29
28
31
24
23
17
44
68
76
68
61
52
49
47
40
38
24
9

Medium Clouds (% Sky Obscured)

73
73
75
31
31
31
28
22
19
13
5
0
2
0
0
0
0
0
9
19
31
43
54
66

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
4
7
11
11
15
21

ISS Passover

Visibility (miles)

8
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

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 (%)

70
46
40
43
38
33
25
17
7
7
6
0
0
0
0
6
7
3
20
27
32
28
21
5

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)

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

Chance of Frost

Temperature (°C)

17
15
14
14
13
12
12
11
11
10
10
9
9
9
9
9
10
10
11
12
13
15
15
15

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

50
71
71
75
79
83
80
79
78
78
78
78
80
80
74
74
72
71
67
62
57
52
51
51

Pressure (mb)

1006
1007
1007
1008
1009
1009
1010
1011
1011
1012
1013
1014
1014
1015
1015
1016
1016
1016
1017
1016
1016
1016
1016
1016

Ozone (du)

336
337
341
340
342
343
343
341
340
339
340
339
336
332
331
330
331
333
334
334
335
335
335
334

Friday 9

Waning Crescent 0%

07:05

17:37

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

Sun - Rise: 07:05, Set: 18:18, Transit: 12:41. Moon - Rise: 07:05, Set: 17:37. Civil Dark: 18:48 - 06:35. Nautical Dark: 19:22 - 06:01. Astro Dark: 19:56 - 05:26

Total Clouds (% Sky Obscured)

89
83
76
83
91
100
90
80
70
55
42
31
38
42
46
39
33
27
28
32
40
43
46
45

Low Clouds (% Sky Obscured)

7
3
2
3
0
0
17
34
52
55
42
31
38
42
46
39
33
27
27
24
21
19
14
6

Medium Clouds (% Sky Obscured)

63
60
58
64
73
84
74
66
60
40
20
0
0
0
0
0
0
0
16
32
40
35
19
3

High Clouds (% Sky Obscured)

21
17
12
18
25
29
20
10
0
0
0
0
0
0
0
0
0
0
3
5
6
3
3
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 (%)

9
7
1
1
0
0
26
38
46
46
38
9
11
7
2
6
6
2
1
1
0
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

10
10
10
10
8
8
8
8
8
8
6
6
6
6
7
6
6
7
6
7
7
8
11
11

Dew Point (°C)

4
4
4
3
3
2
1
1
1
1
1
1
2
2
2
2
2
1
1
1
0
-1
-0
0

Relative Humidity (%)

50
51
55
57
55
54
53
54
56
58
59
61
64
64
64
64
60
55
50
47
42
39
40
40

Pressure (mb)

1016
1016
1016
1017
1017
1017
1017
1017
1017
1017
1018
1018
1019
1020
1021
1021
1022
1023
1023
1023
1023
1023
1023
1023

Ozone (du)

334
329
323
318
322
325
329
332
334
337
335
333
331
326
321
316
313
310
307
306
304
302
302
302

Saturday 10

New Moon 1%

08:16

17:56

17 OK
18 OK
19 OK
20 OK
21 OK
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
13 Bad

Sun - Rise: 07:06, Set: 18:16, Transit: 12:40. Moon - Rise: 08:16, Set: 17:56. Civil Dark: 18:46 - 06:36. Nautical Dark: 19:20 - 06:02. Astro Dark: 19:55 - 05:28

Total Clouds (% Sky Obscured)

44
39
34
30
25
21
36
52
64
66
68
71
77
87
98
98
99
100
100
100
100

Low Clouds (% Sky Obscured)

4
2
0
13
25
21
25
13
3
5
8
14
18
36
45
67
73
75
45
22
0

Medium Clouds (% Sky Obscured)

3
3
4
3
2
1
18
36
54
62
68
71
77
79
77
59
47
39
46
43
40

High Clouds (% Sky Obscured)

14
24
31
19
7
2
1
1
1
2
3
6
28
47
61
66
70
75
82
91
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

Fog (%)

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

Precipitation Probability (%)

1
0
0
0
0
0
0
0
0
4
9
12
15
12
3
5
5
3
6
6
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

10
10
10
10
7
8
8
8
7
7
5
5
4
4
4
3
5
4
4
4
3

Dew Point (°C)

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

Relative Humidity (%)

40
45
49
53
55
57
58
61
61
63
63
64
65
63
62
60
58
56
54
52
50

Pressure (mb)

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

Ozone (du)

302
300
298
295
295
294
294
293
293
293
293
293
293
293
292
291
289
286
284
282
281

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

Generated: 04/10/26 16:57:18. Forecast: 04/10/26 to 10/10/26. Timezone: UTC-4.00