Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 26

Waxing Gibbous 94%

19:06

03:06

06 Bad
07 Bad
08 Bad
09 Bad
10 OK
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
04 Bad
05 Bad

Sun - Rise: 05:33, Set: 20:29, Transit: 13:00. Moon - Rise: 19:06, Set: 03:06. Civil Dark: 21:03 - 04:59. Nautical Dark: 21:48 - 04:14. Astro Dark: 22:41 - 03:22

Total Clouds (% Sky Obscured)

85
88
91
71
32
60
63
89
95
90
83
91
93
70
59
57
68
62
56
68
72
77
54
58

Low Clouds (% Sky Obscured)

0
0
0
0
0
1
1
29
0
0
0
0
0
0
0
0
0
2
7
34
36
23
16
26

Medium Clouds (% Sky Obscured)

30
53
70
43
20
43
24
49
92
81
41
42
48
52
49
39
34
34
30
31
28
28
22
8

High Clouds (% Sky Obscured)

85
88
81
52
6
11
2
1
0
1
5
18
21
2
0
2
17
2
3
4
2
11
8
41

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
1
1
4
4
4
2
2
5
3
4
9
14
7
7
2
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

18
18
20
23
25
28
28
28
28
27
28
30
28
27
28
28
26
25
25
25
24
23
23
23

Dew Point (°C)

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

Relative Humidity (%)

73
68
62
55
50
46
42
40
44
49
43
39
41
46
56
62
64
68
72
75
76
75
76
82

Pressure (mb)

1013
1013
1013
1013
1013
1012
1012
1011
1011
1010
1010
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009

Ozone (du)

322
325
327
330
331
333
334
335
336
339
340
340
340
338
336
336
333
330
328
327
327
327
328
328

Monday 27

Waxing Gibbous 98%

19:46

04:09

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
04 Bad
05 Bad

Sun - Rise: 05:34, Set: 20:28, Transit: 13:00. Moon - Rise: 19:46, Set: 04:09. Civil Dark: 21:02 - 05:00. Nautical Dark: 21:46 - 04:16. Astro Dark: 22:39 - 03:24

Total Clouds (% Sky Obscured)

60
82
87
79
70
78
100
100
100
98
100
99
81
85
84
100
99
100
100
87
64
76
75
91

Low Clouds (% Sky Obscured)

35
45
42
48
52
59
64
61
62
57
42
49
36
28
23
18
41
47
41
39
39
56
45
41

Medium Clouds (% Sky Obscured)

8
16
26
10
22
11
10
5
6
38
34
34
3
32
38
73
48
57
40
30
36
34
5
10

High Clouds (% Sky Obscured)

34
61
81
55
29
39
100
100
99
89
100
92
73
73
81
100
94
100
100
60
33
67
62
87

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
5
9
9
9
9
9
9
8
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
13
19
22
22
29

Precipitation Type

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

Precipitation Probability (%)

0
1
64
73
42
34
40
63
62
53
59
48
72
43
53
26
3
51
61
44
6
56
59
38

Precipitation Amount (mm)

0
0
0.7
0.5
0
0
0
0.2
0
0
0
0
0.7
0
0
0
0
0.6
0.8
0.6
0
0.4
0.2
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

20
21
22
23
24
25
26
26
26
27
26
26
26
25
24
23
22
22
21
21
20
20
20
20

Feels Like (°C)

21
22
23
24
24
25
25
26
26
26
25
25
26
27
27
25
23
22
22
22
22
22
23
22

Dew Point (°C)

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

Relative Humidity (%)

84
79
72
66
61
58
56
55
59
51
54
57
59
63
74
83
91
91
91
92
93
93
95
95

Pressure (mb)

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

Ozone (du)

329
330
330
329
327
325
325
326
328
331
333
333
334
334
332
331
330
331
332
335
337
335
334
332

Tuesday 28

Waxing Gibbous 100%

20:18

05:17

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
04 Bad
05 Bad

Sun - Rise: 05:35, Set: 20:26, Transit: 13:00. Moon - Rise: 20:18, Set: 05:17. Civil Dark: 21:01 - 05:01. Nautical Dark: 21:45 - 04:17. Astro Dark: 22:37 - 03:26

Total Clouds (% Sky Obscured)

87
86
100
100
100
100
100
100
100
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

64
66
68
69
60
66
61
65
58
53
51
40
43
32
35
37
48
72
68
60
55
48
40
58

Medium Clouds (% Sky Obscured)

29
27
16
27
19
20
17
11
15
17
10
7
18
43
62
90
86
63
65
37
37
37
42
38

High Clouds (% Sky Obscured)

79
77
100
100
100
100
100
100
100
98
100
100
100
100
100
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
5
9
9
9
9
9
9
9
9
9

Fog (%)

33
22
6
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

73
67
73
82
70
49
51
50
56
67
90
95
95
95
92
69
79
95
95
63
34
28
34
38

Precipitation Amount (mm)

0.4
0.5
0.5
0.5
0.4
0
0.2
0
0
0.2
0.6
0.5
0.4
0.6
0
0
0
0.9
0.7
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

21
21
22
22
23
24
25
26
27
27
27
27
25
23
23
24
24
24
23
23
22
22
22
22

Dew Point (°C)

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

Relative Humidity (%)

96
92
86
75
65
58
53
49
47
44
42
42
58
80
83
81
84
87
89
92
94
93
93
93

Pressure (mb)

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

Ozone (du)

332
333
334
333
333
332
333
332
332
332
331
330
329
329
329
330
330
330
329
332
333
333
334
334

Wednesday 29

Full Moon 100%

20:43

No Set

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
04 Bad
05 Bad

Sun - Rise: 05:37, Set: 20:25, Transit: 13:00. Moon - Rise: 20:43, Set: No Set. Civil Dark: 20:59 - 05:02. Nautical Dark: 21:43 - 04:19. Astro Dark: 22:35 - 03:28

Total Clouds (% Sky Obscured)

100
100
100
100
99
100
100
100
100
100
100
100
100
100
100
100
100
97
93
90
92
94
84
88

Low Clouds (% Sky Obscured)

69
74
75
76
74
75
78
83
81
77
69
66
58
46
44
34
32
40
67
70
43
35
32
32

Medium Clouds (% Sky Obscured)

39
35
51
68
84
88
94
100
99
98
93
61
42
41
42
55
49
51
53
47
46
37
30
20

High Clouds (% Sky Obscured)

100
100
99
98
97
98
99
100
100
100
100
100
100
100
100
100
100
79
45
39
54
70
64
66

ISS Passover

Visibility (miles)

9
8
1
1
3
3
6
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
Very Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

44
46
43
55
77
71
53
41
40
46
35
28
21
9
9
7
0
1
1
0
3
3
1
1

Precipitation Amount (mm)

0
0
0
0.3
0.9
0.6
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

20
21
21
21
21
22
21
21
21
21
22
23
23
22
22
21
21
20
20
20
20
20
19
19

Feels Like (°C)

22
22
22
22
22
23
22
22
22
22
23
24
23
23
23
22
22
21
21
21
21
20
20
21

Dew Point (°C)

20
20
20
21
21
21
21
21
21
21
21
20
20
19
19
20
20
20
20
19
19
19
19
19

Relative Humidity (%)

95
95
96
96
98
98
98
96
96
96
94
87
83
83
85
92
95
96
98
95
93
98
98
98

Pressure (mb)

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

Ozone (du)

334
335
334
334
334
333
333
333
334
335
334
334
335
335
336
337
336
335
338
339
338
338
337
334

Thursday 30

Waning Gibbous 97%

21:05

06:26

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

Sun - Rise: 05:38, Set: 20:24, Transit: 13:00. Moon - Rise: 21:05, Set: 06:26. Civil Dark: 20:58 - 05:04. Nautical Dark: 21:42 - 04:20. Astro Dark: 22:32 - 03:30

Total Clouds (% Sky Obscured)

92
92
70
48
25
45
58
72
72
72
67
60
38
27
17
9
2
2
1
1
3
5
7
5

Low Clouds (% Sky Obscured)

25
14
13
12
13
14
14
14
15
13
14
12
10
8
6
3
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

11
0
0
0
0
0
0
0
6
12
18
17
16
14
9
4
0
0
0
0
1
2
3
2

High Clouds (% Sky Obscured)

71
75
48
22
2
19
32
48
52
62
67
48
25
1
1
1
1
1
1
1
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 (%)

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

Chance of Frost

Temperature (°C)

19
20
21
22
24
25
26
27
28
28
28
29
28
27
25
24
23
22
22
22
21
21
21
20

Feels Like (°C)

21
21
23
24
26
27
28
28
29
29
30
30
30
30
29
28
27
27
27
26
26
24
25
25

Dew Point (°C)

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

Relative Humidity (%)

98
91
82
73
64
57
50
44
40
38
36
36
39
48
62
66
70
75
78
80
82
82
85
85

Pressure (mb)

1012
1012
1013
1013
1013
1013
1013
1013
1013
1012
1012
1012
1012
1012
1013
1013
1013
1014
1014
1014
1014
1014
1014
1014

Ozone (du)

334
333
333
332
330
330
329
329
330
332
335
335
335
334
335
334
334
334
333
331
330
330
331
331

Friday 31

Waning Gibbous 93%

21:24

07:36

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

Sun - Rise: 05:39, Set: 20:23, Transit: 13:00. Moon - Rise: 21:24, Set: 07:36. Civil Dark: 20:57 - 05:05. Nautical Dark: 21:40 - 04:22. Astro Dark: 22:30 - 03:32

Total Clouds (% Sky Obscured)

2
0
0
0
0
18
37
55
45
36
26
20
12
5
18
30
42
42
42
42
41
39
37
51

Low Clouds (% Sky Obscured)

0
0
0
0
0
5
9
12
20
24
25
17
8
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

1
0
0
0
0
6
12
22
20
10
0
0
0
0
9
17
24
21
20
20
19
18
15
10

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
2
4
9
15
12
5
12
13
14
14
16
15
11
7
8
31

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
1
1
1
1
0
1
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)

2
2
2
2
2
2
2
2
3
3
3
3
3
2
2
2
3
3
3
3
3
3
3
4

Chance of Frost

Temperature (°C)

21
21
22
24
25
26
28
29
30
30
30
30
29
28
28
26
25
24
23
22
22
22
21
21

Feels Like (°C)

24
23
23
27
26
26
27
28
28
32
32
31
31
32
33
28
28
28
28
28
28
23
24
23

Dew Point (°C)

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

Relative Humidity (%)

80
73
68
61
55
50
47
44
42
41
40
40
45
51
58
60
62
64
66
69
72
76
81
86

Pressure (mb)

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

Ozone (du)

330
329
328
326
323
320
319
318
318
317
316
315
313
312
311
311
311
311
310
310
310
310
310
310

Saturday 1

Waning Gibbous 87%

21:41

08:45

06 Bad
07 Bad
08 Bad
09 Bad
10 OK
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: 05:40, Set: 20:21, Transit: 13:00. Moon - Rise: 21:41, Set: 08:45. Civil Dark: 20:55 - 05:06. Nautical Dark: 21:38 - 04:24. Astro Dark: 22:28 - 03:34

Total Clouds (% Sky Obscured)

65
82
70
56
42
52
61
70
69
67
66
77
89
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
12
23
33
30
26
22
15
8
1
5
6
19
25
25
30

Medium Clouds (% Sky Obscured)

6
1
1
2
2
6
10
13
22
20
20
17
12
9
16
30
43
55
64
71

High Clouds (% Sky Obscured)

57
82
67
53
35
26
17
8
16
24
31
54
78
100
100
100
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

Fog (%)

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

Precipitation Probability (%)

0
0
0
0
0
1
2
2
11
18
21
26
23
8
19
23
21
43
49
50

Precipitation Amount (mm)

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
5
5
5
6
6
7
6
6
6
5
4
4
4
5
6
5
5

Chance of Frost

Temperature (°C)

21
22
23
24
26
28
29
30
31
31
31
31
30
29
28
27
26
25
24
24

Feels Like (°C)

23
22
21
26
25
25
26
26
27
32
32
32
32
32
32
28
28
28
28
27

Dew Point (°C)

18
18
18
17
17
17
17
17
18
18
18
18
18
19
19
19
19
19
19
19

Relative Humidity (%)

81
78
73
64
57
51
49
46
45
46
45
46
50
54
59
63
66
71
73
75

Pressure (mb)

1014
1014
1014
1014
1014
1014
1014
1013
1013
1012
1012
1011
1011
1011
1011
1012
1012
1012
1012
1012

Ozone (du)

311
311
311
311
311
311
310
310
310
310
310
309
309
309
309
308
308
308
310
311

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

Generated: 26/07/26 06:20:13. Forecast: 26/07/26 to 01/08/26. Timezone: UTC-4.00