Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 27

Waning Gibbous 82%

00:30

08:12

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
06 Bad
07 Bad
08 Bad

Sun - Rise: 05:41, Set: 19:56, Transit: 12:49. Moon - Rise: 00:30, Set: 08:12. Civil Dark: 20:29 - 05:08. Nautical Dark: 21:10 - 04:27. Astro Dark: 21:55 - 03:41

Total Clouds (% Sky Obscured)

60
72
100
100
100
100
100
100
100
100
100
100
100
100
100
100
94
94
98
100
100
96
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
43
43
72
100
100
100
96
100
89
92
100
100

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
52
100
96
100
100
100
100
97
96
99
48
52
38
53
59
91
89
77

High Clouds (% Sky Obscured)

93
80
100
100
100
100
100
100
100
100
100
100
100
100
100
100
25
41
45
39
100
66
11
10

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
4
9
9
9
9
9
9
9
9
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
None
None
Light Rain
Light Rain
None
None
None
None
None
None
Light Rain
Very Light Rain
Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
2
18
60
81
83
29
5
5
17
56
62
75
66
86

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0.5
0.7
0
0
0
0
0
0
0.5
0.2
0.6

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

8
11
13
14
16
17
18
18
17
16
15
14
14
13
12
11
11
11
10
10
10
10
10
11

Feels Like (°C)

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

Dew Point (°C)

-1
0
1
2
4
4
5
5
8
8
9
8
8
6
9
10
10
9
9
9
9
9
9
9

Relative Humidity (%)

54
48
45
44
43
42
42
42
52
59
66
68
68
64
83
92
90
90
91
91
90
91
90
90

Pressure (mb)

1031
1031
1030
1029
1028
1027
1026
1025
1024
1023
1023
1022
1022
1022
1022
1021
1021
1020
1020
1019
1019
1018
1018
1018

Ozone (du)

377
374
370
368
368
369
369
368
365
362
364
366
364
362
362
366
370
373
376
372
372
374
373
365

Sunday 28

Waning Gibbous 72%

01:27

No Set

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 OK
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 OK
08 OK

Sun - Rise: 05:39, Set: 19:58, Transit: 12:49. Moon - Rise: 01:27, Set: No Set. Civil Dark: 20:30 - 05:06. Nautical Dark: 21:11 - 04:25. Astro Dark: 21:57 - 03:39

Total Clouds (% Sky Obscured)

98
99
100
91
93
100
100
89
87
91
65
54
46
47
55
41
51
57
55
89
82
57
39
42

Low Clouds (% Sky Obscured)

83
98
100
85
86
100
71
56
56
85
38
5
5
5
4
0
0
16
48
57
61
58
55
52

Medium Clouds (% Sky Obscured)

54
52
56
43
47
33
100
60
77
84
43
34
25
25
19
22
39
40
12
43
20
40
0
0

High Clouds (% Sky Obscured)

55
80
74
50
65
27
87
81
34
53
45
48
50
57
53
42
6
33
4
0
5
22
21
20

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
8
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

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

Precipitation Probability (%)

63
55
80
38
13
21
9
34
40
54
35
53
30
8
2
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.3
0
0.6
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)

12
11
11
10
10
9
8
6
6
6
4
12
10
15
13
12
10
9
8
9
10
9
9
13

Chance of Frost

Temperature (°C)

11
12
12
12
13
15
15
16
18
18
18
17
14
12
10
8
7
6
6
5
5
5
6
6

Feels Like (°C)

7
8
9
10
10
13
14
15
18
18
18
16
13
8
5
4
3
2
1
1
0
1
2
2

Dew Point (°C)

10
10
11
11
12
13
14
15
17
17
17
16
14
10
7
5
5
3
3
3
2
2
2
1

Relative Humidity (%)

91
90
90
92
92
89
92
92
93
95
95
95
95
86
82
81
84
82
82
83
78
79
78
69

Pressure (mb)

1017
1017
1017
1016
1015
1015
1015
1014
1014
1014
1014
1014
1015
1016
1017
1018
1018
1018
1019
1020
1020
1020
1021
1022

Ozone (du)

359
357
355
357
349
348
344
343
343
346
343
343
340
340
341
340
339
338
338
338
338
340
340
341

Monday 29

Waning Gibbous 62%

02:12

09:16

09 OK
10 OK
11 OK
12 OK
13 OK
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
06 Bad
07 Bad
08 Bad

Sun - Rise: 05:38, Set: 19:59, Transit: 12:49. Moon - Rise: 02:12, Set: 09:16. Civil Dark: 20:32 - 05:05. Nautical Dark: 21:13 - 04:23. Astro Dark: 21:59 - 03:36

Total Clouds (% Sky Obscured)

26
21
23
34
41
72
52
94
70
98
78
100
93
96
100
98
95
100
99
98
99
100
100
100

Low Clouds (% Sky Obscured)

43
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
12

Medium Clouds (% Sky Obscured)

0
0
0
0
39
25
43
79
62
96
77
99
89
86
100
75
92
99
98
96
97
98
99
90

High Clouds (% Sky Obscured)

7
15
21
32
17
66
20
69
38
90
26
85
75
45
95
97
23
86
98
98
97
96
95
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
0
0
0
0
0
0
0
0
0
1
4
9
8
11
13
13
27
37
46
49

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

3
5
6
8
10
11
10
11
10
11
10
8
7
6
6
5
4
4
4
2
3
2
2
-0

Dew Point (°C)

1
1
0
0
-1
-1
-1
-1
1
2
3
3
2
4
5
3
2
1
0
-1
-2
-2
-3
-3

Relative Humidity (%)

65
56
49
44
39
36
34
34
38
43
50
53
50
65
71
63
60
58
55
52
51
51
51
51

Pressure (mb)

1022
1022
1021
1021
1021
1020
1020
1019
1019
1019
1019
1019
1020
1020
1020
1020
1020
1020
1020
1019
1019
1020
1020
1020

Ozone (du)

343
341
341
344
345
343
342
341
341
340
340
340
338
338
338
336
338
339
340
339
340
341
342
343

Tuesday 30

Waning Gibbous 50%

02:48

10:29

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 OK
03 OK
04 Good
05 Good
06 Good
07 Good
08 Good

Sun - Rise: 05:36, Set: 20:00, Transit: 12:49. Moon - Rise: 02:48, Set: 10:29. Civil Dark: 20:33 - 05:03. Nautical Dark: 21:15 - 04:21. Astro Dark: 22:02 - 03:34

Total Clouds (% Sky Obscured)

100
100
100
97
100
100
100
99
100
100
100
100
100
100
100
99
68
26
26
17
13
11
10
8

Low Clouds (% Sky Obscured)

24
36
50
64
78
81
84
87
91
96
100
100
100
100
96
91
87
77
68
56
61
66
71
76

Medium Clouds (% Sky Obscured)

76
80
84
81
98
96
96
95
97
99
100
100
100
94
88
87
59
41
41
44
46
45
47
47

High Clouds (% Sky Obscured)

95
95
95
87
95
96
97
97
98
99
100
99
99
98
97
9
1
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 (%)

46
31
31
25
11
20
25
24
32
34
25
31
31
28
23
16
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

54
49
43
41
39
39
40
41
48
53
57
59
59
58
60
64
68
71
74
75
76
78
75
67

Pressure (mb)

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

Ozone (du)

342
344
347
350
353
355
355
356
358
361
364
367
368
372
371
372
369
369
369
369
370
370
372
372

Wednesday 1

Third Quarter 39%

03:15

11:49

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

Sun - Rise: 05:35, Set: 20:01, Transit: 12:49. Moon - Rise: 03:15, Set: 11:49. Civil Dark: 20:35 - 05:01. Nautical Dark: 21:16 - 04:20. Astro Dark: 22:04 - 03:32

Total Clouds (% Sky Obscured)

5
19
7
56
46
33
11
13
13
12
8
19
31
43
31
19
7
24
42
60
73
84
95
86

Low Clouds (% Sky Obscured)

81
86
77
71
62
58
53
48
43
39
34
32
31
29
19
10
0
0
0
0
0
0
0
11

Medium Clouds (% Sky Obscured)

43
44
36
32
28
28
31
31
39
45
47
43
35
29
19
11
0
8
14
19
21
22
26
23

High Clouds (% Sky Obscured)

0
0
0
0
0
0
5
6
5
5
5
17
29
40
29
18
7
23
39
55
61
68
74
61

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
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
5

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

6
7
8
10
11
12
13
14
14
14
13
12
12
11
11
11
10
10
5
5
4
4
4
3

Dew Point (°C)

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

Relative Humidity (%)

62
57
53
48
46
46
48
46
46
49
59
61
66
69
74
75
78
79
82
83
85
82
78
75

Pressure (mb)

1017
1017
1017
1016
1016
1016
1015
1015
1015
1016
1016
1016
1016
1017
1017
1017
1017
1017
1018
1018
1018
1019
1019
1019

Ozone (du)

373
376
377
372
368
370
366
365
365
364
364
363
362
361
361
360
359
358
357
356
356
357
358
359

Thursday 2

Waning Crescent 27%

03:38

13:10

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
06 Bad
07 Bad
08 Bad

Sun - Rise: 05:33, Set: 20:03, Transit: 12:49. Moon - Rise: 03:38, Set: 13:10. Civil Dark: 20:36 - 05:00. Nautical Dark: 21:18 - 04:18. Astro Dark: 22:06 - 03:29

Total Clouds (% Sky Obscured)

77
67
78
89
98
97
98
100
92
80
67
78
89
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

21
32
30
27
25
25
26
26
21
16
11
7
4
1
2
3
0
0
0
0
0
0
0
14

Medium Clouds (% Sky Obscured)

24
25
36
42
52
39
26
13
22
33
46
60
66
71
79
88
96
97
99
100
87
74
58
36

High Clouds (% Sky Obscured)

47
32
53
74
95
97
98
100
99
97
92
94
94
100
100
100
100
100
100
100
100
100
100
98

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 (%)

8
10
9
6
0
5
6
5
5
4
0
1
0
0
3
5
4
14
18
20
18
16
20
39

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

Chance of Frost

Temperature (°C)

10
12
14
16
18
20
20
20
21
20
19
18
17
16
15
15
15
14
14
13
12
12
12
12

Feels Like (°C)

7
8
9
9
10
10
19
19
20
20
20
20
16
16
15
14
15
15
13
12
12
12
11
11

Dew Point (°C)

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

Relative Humidity (%)

74
72
70
67
63
61
59
60
59
62
68
72
74
77
78
80
84
86
86
83
83
83
80
79

Pressure (mb)

1019
1019
1019
1018
1017
1017
1016
1016
1015
1015
1015
1015
1015
1015
1015
1015
1016
1016
1016
1016
1017
1017
1017
1017

Ozone (du)

361
362
363
362
361
360
358
355
353
354
356
357
357
357
357
355
353
351
350
350
349
349
350
350

Friday 3

Waning Crescent 27%

03:58

14:32

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: 05:32, Set: 20:04, Transit: 12:49. Moon - Rise: 03:58, Set: 14:32. Civil Dark: 20:38 - 04:58. Nautical Dark: 21:20 - 04:16. Astro Dark: 22:08 - 03:27

Total Clouds (% Sky Obscured)

99
97
96
94
94
96
98
100
100
100
100
98
96
93
94
97
99

Low Clouds (% Sky Obscured)

28
42
50
63
78
77
77
77
73
73
73
74
75
74
78
86
95

Medium Clouds (% Sky Obscured)

28
15
15
15
20
15
25
20
30
40
45
50
50
50
55
60
60

High Clouds (% Sky Obscured)

97
95
76
56
37
31
25
24
30
32
29
30
43
48
39
41
45

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

51
64
91
95
95
95
95
95
86
73
53
76
92
95
95
95
95

Precipitation Amount (mm)

0.2
0.3
0.7
0.9
1.2
1.1
0.9
0.5
0.4
0.3
0
0.4
0.7
1
0.9
0.8
0.7

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

13
14
16
16
15
15
15
14
14
14
14
14
14
13
13
13
13

Feels Like (°C)

9
9
9
9
9
9
14
14
14
14
14
14
12
12
13
13
13

Dew Point (°C)

9
9
10
9
9
9
9
10
11
11
12
12
12
12
11
12
12

Relative Humidity (%)

75
71
67
66
65
64
69
75
82
83
86
86
87
89
89
90
90

Pressure (mb)

1017
1017
1017
1016
1016
1015
1015
1014
1014
1013
1013
1013
1013
1012
1012
1012
1011

Ozone (du)

349
348
347
347
347
347
347
346
346
344
342
340
341
341
342
340
339

Forecast for Sorel-Tracy, Montérégie, Canada (46.04,-73.11)

Generated: 27/04/24 09:41:13. Forecast: 27/04/24 to 03/05/24. Timezone: UTC-4.00