Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 28

Waxing Gibbous 99%

20:21

03:25

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

Sun - Rise: 05:08, Set: 20:47, Transit: 12:57. Moon - Rise: 20:21, Set: 03:25. Civil Dark: 21:24 - 04:30. Nautical Dark: 22:15 - 03:40. Astro Dark: 23:23 - 02:33

Total Clouds (% Sky Obscured)

12
19
17
4
0
10
15
12
15
20
26
18
31
34
33
25
3
67
50
17
12
11
4
3

Low Clouds (% Sky Obscured)

12
19
17
4
0
0
15
12
15
20
26
18
31
34
19
0
0
18
4
0
12
11
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
11
24
0
22
34
33
25
0
22
0
1
1
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
2
3
15
16
3
6
4
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 (%)

13
13
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
13

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
3
6
9
5
4
2
1
1
3
18
19
15
8
19
7
2
4
4

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

Chance of Frost

Temperature (°C)

15
15
14
17
18
20
21
23
24
25
26
27
28
28
28
28
27
26
24
23
22
21
21
20

Feels Like (°C)

19
18
18
21
22
24
24
26
27
28
28
30
30
30
30
30
30
29
25
24
24
24
23
24

Dew Point (°C)

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

Relative Humidity (%)

95
93
95
96
93
89
81
71
60
52
48
45
44
45
48
54
64
73
74
75
83
85
88
88

Pressure (mb)

1016
1016
1016
1016
1016
1017
1017
1017
1017
1016
1016
1015
1015
1015
1015
1015
1015
1015
1016
1016
1017
1017
1017
1017

Ozone (du)

356
356
355
353
350
351
351
352
352
352
351
350
349
350
351
352
353
350
350
346
342
340
339
339

Monday 29

Full Moon 100%

21:07

04:15

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

Sun - Rise: 05:08, Set: 20:47, Transit: 12:57. Moon - Rise: 21:07, Set: 04:15. Civil Dark: 21:24 - 04:31. Nautical Dark: 22:15 - 03:40. Astro Dark: 23:22 - 02:34

Total Clouds (% Sky Obscured)

1
18
6
7
9
5
7
100
16
18
72
78
90
74
80
56
31
32
34
69
100
89
100
99

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
2
0
6
10
13
17
8
0
0
0
1
0
0
0
0
5
1

Medium Clouds (% Sky Obscured)

0
8
1
0
1
1
0
0
6
3
53
35
70
66
78
52
23
22
2
46
81
50
38
52

High Clouds (% Sky Obscured)

1
8
4
7
5
3
4
100
11
12
60
70
65
60
7
0
0
3
20
36
83
76
71
96

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
16
90
92
44
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 (%)

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

Chance of Frost

Temperature (°C)

20
19
19
18
19
21
22
24
25
27
28
28
29
29
29
29
29
27
25
24
23
23
22
22

Feels Like (°C)

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

Dew Point (°C)

18
18
17
17
17
17
18
18
18
18
17
16
16
17
20
20
21
22
20
20
20
19
19
17

Relative Humidity (%)

89
91
92
92
86
80
74
70
64
57
51
47
45
48
59
57
63
71
71
77
79
78
80
74

Pressure (mb)

1017
1017
1018
1018
1019
1020
1020
1020
1020
1019
1019
1019
1018
1018
1018
1017
1017
1017
1017
1017
1018
1018
1017
1017

Ozone (du)

339
340
341
340
338
335
335
335
335
334
334
334
333
331
331
329
330
330
331
332
334
334
331
330

Tuesday 30

Waning Gibbous 99%

21:45

05:14

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

Sun - Rise: 05:09, Set: 20:46, Transit: 12:58. Moon - Rise: 21:45, Set: 05:14. Civil Dark: 21:24 - 04:31. Nautical Dark: 22:14 - 03:41. Astro Dark: 23:21 - 02:35

Total Clouds (% Sky Obscured)

100
57
100
90
99
83
100
100
100
100
100
100
100
100
100
100
99
100
100
100
100
93
92
93

Low Clouds (% Sky Obscured)

0
0
3
1
4
0
3
0
0
3
5
0
12
28
72
70
73
74
74
74
74
73
73
78

Medium Clouds (% Sky Obscured)

41
37
45
26
20
40
32
30
73
100
95
95
100
95
100
100
56
37
81
77
19
15
15
17

High Clouds (% Sky Obscured)

100
32
100
83
99
81
100
100
100
100
100
100
97
100
100
100
96
100
100
100
99
61
65
53

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
3
7
9
4
4
8
4
2
9
9
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
Very Light Rain
None
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
1
18
53
36
85
82
86
95
95
95
95
95
95
73
32
32

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.2
0
0.6
0.4
0.5
1
0.9
1.1
1.5
2.3
0.9
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

17
17
16
16
16
16
16
17
17
17
18
22
21
25
25
23
22
21
21
21
21
21
21
21

Relative Humidity (%)

77
77
77
76
74
69
61
58
56
54
58
82
72
88
91
92
95
95
96
98
96
98
98
100

Pressure (mb)

1017
1017
1017
1017
1017
1017
1017
1016
1016
1016
1016
1014
1014
1014
1014
1013
1013
1012
1012
1012
1011
1011
1010
1010

Ozone (du)

326
323
322
322
321
321
321
322
319
318
316
316
314
312
312
312
312
312
311
309
309
307
305
307

Wednesday 1

Waning Gibbous 95%

22:14

06:19

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

Sun - Rise: 05:10, Set: 20:46, Transit: 12:58. Moon - Rise: 22:14, Set: 06:19. Civil Dark: 21:24 - 04:32. Nautical Dark: 22:14 - 03:42. Astro Dark: 23:21 - 02:36

Total Clouds (% Sky Obscured)

91
91
88
86
89
93
93
83
56
64
86
89
92
72
72
48
37
36
48
50
60
67
70
63

Low Clouds (% Sky Obscured)

82
87
86
85
84
85
86
83
56
54
38
37
36
35
36
37
36
33
29
25
19
11
3
2

Medium Clouds (% Sky Obscured)

19
21
16
11
6
5
2
0
0
0
0
7
17
25
15
8
0
6
10
16
10
5
0
5

High Clouds (% Sky Obscured)

32
17
30
40
36
24
22
22
19
17
83
89
91
39
56
17
12
17
30
30
41
48
46
33

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 (%)

24
6
11
18
25
10
4
1
4
12
11
23
7
4
2
5
4
5
5
7
16
16
10
9

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

Chance of Frost

Temperature (°C)

21
21
21
21
22
22
23
25
26
28
29
31
31
32
32
32
31
30
29
28
27
27
26
26

Feels Like (°C)

24
25
24
24
25
25
26
27
28
31
32
33
33
34
35
34
34
34
31
29
28
27
27
27

Dew Point (°C)

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

Relative Humidity (%)

98
100
98
100
98
95
92
85
76
70
70
71
69
68
69
71
73
76
64
57
56
57
61
64

Pressure (mb)

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

Ozone (du)

306
306
305
305
304
303
303
303
302
303
304
305
306
306
306
307
306
305
304
303
303
304
304
304

Thursday 2

Waning Gibbous 94%

22:39

07:27

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

Sun - Rise: 05:10, Set: 20:46, Transit: 12:58. Moon - Rise: 22:39, Set: 07:27. Civil Dark: 21:23 - 04:33. Nautical Dark: 22:13 - 03:43. Astro Dark: 23:20 - 02:38

Total Clouds (% Sky Obscured)

47
26
22
23
9
25
37
53
57
61
57
67
73
74
58
41
23
39
51
70
52
31
13
9

Low Clouds (% Sky Obscured)

1
0
1
2
4
7
11
15
22
29
35
35
36
37
24
12
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

11
16
13
9
5
3
2
0
6
10
12
14
12
8
11
13
16
25
35
46
38
21
0
2

High Clouds (% Sky Obscured)

17
0
2
17
0
12
17
29
32
31
30
53
53
48
36
25
13
25
37
35
10
4
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 (%)

6
0
0
0
0
0
0
0
12
18
20
9
10
4
6
6
0
10
11
6
27
27
13
13

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

26
27
27
27
26
27
28
29
30
30
31
32
32
32
31
31
32
32
29
29
29
29
29
29

Dew Point (°C)

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

Relative Humidity (%)

69
71
76
78
75
70
63
59
58
56
55
54
55
56
57
60
64
68
71
74
75
78
79
82

Pressure (mb)

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

Ozone (du)

304
305
306
306
305
305
305
304
303
303
302
301
301
302
302
301
301
300
300
301
301
301
301
301

Friday 3

Waning Gibbous 90%

22:59

08:36

03 OK
04 Good
05 OK
06 OK
07 OK
08 OK
09 OK
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 Good
23 Good
00 OK
01 OK
02 OK

Sun - Rise: 05:11, Set: 20:46, Transit: 12:58. Moon - Rise: 22:59, Set: 08:36. Civil Dark: 21:23 - 04:33. Nautical Dark: 22:13 - 03:44. Astro Dark: 23:19 - 02:39

Total Clouds (% Sky Obscured)

12
11
18
26
34
40
46
56
53
47
40
55
73
92
92
90
89
63
37
11
15
19
23
31

Low Clouds (% Sky Obscured)

1
0
0
0
0
0
0
0
10
19
29
19
10
0
0
0
0
9
14
7
5
2
0
0

Medium Clouds (% Sky Obscured)

4
6
14
22
29
33
37
41
43
43
40
33
27
28
52
70
86
62
33
5
3
1
0
5

High Clouds (% Sky Obscured)

0
0
2
4
5
4
2
0
0
0
1
17
35
52
55
55
50
34
15
0
15
19
23
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 (%)

11
7
6
3
0
1
1
1
4
5
3
12
18
25
32
41
29
26
23
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

27
27
27
27
27
26
30
30
30
30
30
30
36
36
36
35
34
33
29
28
27
28
27
27

Dew Point (°C)

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

Relative Humidity (%)

82
83
82
78
72
68
66
64
61
60
57
54
63
72
84
79
74
72
73
72
73
76
77
79

Pressure (mb)

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

Ozone (du)

301
302
303
303
304
304
303
303
302
302
302
302
302
302
303
304
306
308
309
309
310
309
308
308

Saturday 4

Waning Gibbous 83%

23:17

09:44

Sun - Rise: 05:11, Set: 20:45, Transit: 12:58. Moon - Rise: 23:17, Set: 09:44. Civil Dark: 21:23 - 04:34. Nautical Dark: 22:12 - 03:44. Astro Dark: 23:18 - 02:40

Total Clouds (% Sky Obscured)

Low Clouds (% Sky Obscured)

Medium Clouds (% Sky Obscured)

High Clouds (% Sky Obscured)

ISS Passover

Visibility (miles)

Fog (%)

Precipitation Type

Precipitation Probability (%)

Precipitation Amount (mm)

Wind Speed/Direction (mph)

Chance of Frost

Temperature (°C)

Feels Like (°C)

Dew Point (°C)

Relative Humidity (%)

Pressure (mb)

Ozone (du)

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

Generated: 28/06/26 03:12:14. Forecast: 28/06/26 to 04/07/26. Timezone: UTC-4.00