Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 15

Waning Crescent 1%

05:22

17:44

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: 06:02, Set: 19:40, Transit: 12:52. Moon - Rise: 05:22, Set: 17:44. Civil Dark: 20:11 - 05:31. Nautical Dark: 20:49 - 04:52. Astro Dark: 21:31 - 04:11

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
96
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

73
85
77
70
65
87
94
94
94
89
99
100
100
100
100
95
100
100
93
94
92
100
100
100

Medium Clouds (% Sky Obscured)

96
97
72
41
37
21
14
6
7
22
7
16
73
75
58
100
100
100
100
96
100
100
88
92

High Clouds (% Sky Obscured)

81
100
100
100
100
100
100
100
100
73
100
67
100
100
100
68
87
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
4
5
1
0
0

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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

2
0
3
0
0
0
0
0
0
0
0
0
0
5
2
10
37
59
95
95
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.8
0.9
0.8
2.1
2.3
1.9

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

7
7
7
7
7
7
6
6
6
6
5
5
5
5
5
5
6
6
6
6
7
7
7
7

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
93
93
94
96
96
96
94
96
94
96
94
96
94
94
91
93
94
94
96
96
98
98
98

Pressure (mb)

1012
1012
1013
1013
1014
1014
1014
1013
1013
1013
1013
1013
1013
1012
1012
1012
1012
1011
1010
1009
1008
1008
1007
1007

Ozone (du)

319
319
318
319
320
319
318
317
315
313
315
319
320
319
321
323
323
327
327
323
320
318
318
319

Thursday 16

Waning Crescent 0%

05:44

19:04

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 OK
11 Bad
12 Bad
13 OK
14 OK
15 Good
16 Good

Sun - Rise: 06:00, Set: 19:41, Transit: 12:51. Moon - Rise: 05:44, Set: 19:04. Civil Dark: 20:13 - 05:29. Nautical Dark: 20:51 - 04:50. Astro Dark: 21:32 - 04:08

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
91
55
55
36
60
53
25
27
18
4

Low Clouds (% Sky Obscured)

100
100
84
94
94
99
100
96
92
98
95
92
86
77
77
49
37
36
60
53
25
27
18
2

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
96
85
72
88
88
68
79
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
79
30
15
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

0
0
0
0
2
9
5
8
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
1
16
6
6
6
6
4
1
1
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

95
95
95
95
95
77
52
37
56
36
25
9
2
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

1.7
1.2
1.1
0.6
0.7
0.4
0.3
0
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

4
4
3
4
4
4
4
5
4
4
4
5
5
5
5
6
9
11
10
9
8
8
7
7

Chance of Frost

Temperature (°C)

8
8
8
7
7
7
7
7
7
7
7
7
8
8
8
9
11
12
13
14
15
16
16
17

Feels Like (°C)

6
5
5
5
4
5
5
4
5
5
5
5
5
5
5
7
9
10
11
12
13
15
16
16

Dew Point (°C)

7
8
8
7
7
7
7
7
7
7
6
7
6
6
6
7
6
6
6
6
6
7
7
7

Relative Humidity (%)

98
100
100
100
98
98
98
96
96
96
94
94
91
90
88
84
72
67
62
60
57
55
54
53

Pressure (mb)

1007
1006
1007
1007
1007
1007
1007
1007
1007
1008
1008
1009
1009
1010
1011
1012
1013
1014
1014
1014
1014
1014
1014
1014

Ozone (du)

320
323
327
329
330
328
326
328
330
334
340
343
345
345
340
344
340
340
342
341
340
335
334
335

Friday 17

New Moon 2%

06:10

20:28

17 Good
18 Good
19 Good
20 Good
21 Good
22 Good
23 Good
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
16 Bad

Sun - Rise: 05:58, Set: 19:42, Transit: 12:51. Moon - Rise: 06:10, Set: 20:28. Civil Dark: 20:14 - 05:27. Nautical Dark: 20:52 - 04:48. Astro Dark: 21:34 - 04:06

Total Clouds (% Sky Obscured)

0
9
10
0
0
0
14
47
32
46
52
87
88
65
67
63
51
78
51
100
100
90
80
73

Low Clouds (% Sky Obscured)

0
9
10
0
0
0
14
33
29
17
27
47
64
59
62
58
46
55
48
19
11
7
3
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
13
42
51

High Clouds (% Sky Obscured)

0
0
0
0
0
0
4
34
4
46
52
85
70
8
3
6
4
44
3
100
100
88
79
64

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
2
15
20
16
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
0
3
4
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)

6
5
4
6
6
5
5
4
4
4
5
5
5
6
4
5
5
7
13
16
18
19
19
19

Chance of Frost

Temperature (°C)

17
17
15
13
11
10
10
9
8
8
7
7
7
7
8
10
12
15
18
19
20
21
21
20

Feels Like (°C)

17
17
15
12
10
10
9
8
7
7
5
5
4
4
8
10
12
15
16
17
16
16
17
16

Dew Point (°C)

8
8
8
7
6
6
5
4
5
5
5
5
5
6
6
7
8
8
10
9
10
10
11
12

Relative Humidity (%)

53
56
64
67
71
72
70
73
78
81
84
87
91
91
91
82
75
64
58
52
50
50
54
58

Pressure (mb)

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

Ozone (du)

341
342
341
341
341
341
342
344
344
347
350
351
349
345
343
341
340
338
335
335
334
332
330
331

Saturday 18

Waxing Crescent 8%

06:43

21:54

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: 05:57, Set: 19:44, Transit: 12:51. Moon - Rise: 06:43, Set: 21:54. Civil Dark: 20:15 - 05:25. Nautical Dark: 20:54 - 04:46. Astro Dark: 21:36 - 04:04

Total Clouds (% Sky Obscured)

82
92
100
100
100
100
100
99
99
99
100
100
100
100
100
100
100
100
98
97
95
95
97
99

Low Clouds (% Sky Obscured)

2
42
46
57
70
85
76
68
59
70
79
83
85
83
86
90
96
83
63
57
93
95
94
48

Medium Clouds (% Sky Obscured)

66
81
100
98
97
96
95
96
95
86
75
71
81
89
100
83
67
45
44
46
54
66
81
96

High Clouds (% Sky Obscured)

74
88
100
100
100
100
93
86
81
88
94
100
100
100
100
72
43
15
15
15
20
15
15
15

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

13
51
95
95
95
95
72
71
79
82
95
95
74
69
95
95
72
19
11
28
22
33
13
4

Precipitation Amount (mm)

0
0
1.1
1
1.7
0.6
0.2
0.3
0.5
0.3
0.5
0.9
0.3
0.3
1
0.9
0.3
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

20
19
18
16
16
15
14
14
14
13
12
9
7
6
5
5
5
6
7
7
6
6
6
6

Feels Like (°C)

16
15
13
12
11
10
9
9
8
8
5
4
1
1
0
-0
-1
1
2
1
-0
0
1
1

Dew Point (°C)

12
11
11
12
13
12
11
10
10
10
10
7
4
3
3
3
3
2
-1
-1
-1
-1
-1
-5

Relative Humidity (%)

59
59
62
75
82
83
82
78
79
82
87
84
85
81
85
88
86
75
58
59
60
58
61
45

Pressure (mb)

1005
1004
1004
1004
1003
1003
1003
1003
1003
1002
1003
1005
1007
1008
1008
1010
1010
1010
1010
1010
1010
1010
1011
1010

Ozone (du)

330
326
326
325
326
325
327
327
328
327
327
326
326
326
326
329
331
334
334
335
336
340
340
340

Sunday 19

Waxing Crescent 16%

07:28

23:18

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

Sun - Rise: 05:55, Set: 19:45, Transit: 12:51. Moon - Rise: 07:28, Set: 23:18. Civil Dark: 20:17 - 05:23. Nautical Dark: 20:56 - 04:44. Astro Dark: 21:38 - 04:01

Total Clouds (% Sky Obscured)

81
64
43
49
37
48
38
28
15
16
19
26
97
98
29
54
75
97
98
99
100
100
100
100

Low Clouds (% Sky Obscured)

80
62
36
34
35
48
38
28
15
16
19
26
94
94
29
52
72
96
92
85
80
80
85
95

Medium Clouds (% Sky Obscured)

54
38
10
24
37
48
34
16
0
0
0
0
3
6
5
15
27
41
58
60
61
61
65
65

High Clouds (% Sky Obscured)

2
10
0
0
0
0
0
0
0
0
0
0
10
20
28
18
10
2
1
1
2
2
2
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 (%)

8
6
2
0
0
0
0
0
0
4
5
4
8
6
3
11
11
4
10
10
2
3
2
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
10
8
8
8
7
6
5
5
5
5
6
6
7
8
7
8
8
8
8
9
8
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-6
-5
-5
-6
-6
-8
-8
-8
-9
-9
-9
-9
-9
-9
-10
-13
-14
-14
-15
-15
-14
-14
-15
-14

Relative Humidity (%)

41
45
48
47
51
49
51
54
55
57
57
57
56
55
48
36
33
30
27
25
25
24
23
23

Pressure (mb)

1011
1011
1012
1013
1014
1015
1015
1016
1017
1017
1018
1019
1019
1020
1021
1022
1023
1023
1023
1023
1023
1023
1023
1023

Ozone (du)

346
355
362
374
385
398
408
410
411
414
413
412
412
416
425
432
434
436
439
445
452
458
468
478

Monday 20

Waxing Crescent 26%

08:27

00:34

17 Bad
18 Bad
19 OK
20 OK
21 OK
22 Good
23 OK
00 OK
01 OK
02 OK
03 OK
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: 05:53, Set: 19:46, Transit: 12:50. Moon - Rise: 08:27, Set: 00:34. Civil Dark: 20:18 - 05:21. Nautical Dark: 20:57 - 04:42. Astro Dark: 21:40 - 03:59

Total Clouds (% Sky Obscured)

78
57
35
32
24
17
22
20
23
33
41
57
61
64
72
70
62
57
63
73
92
95
97
100

Low Clouds (% Sky Obscured)

78
57
35
32
24
17
15
7
4
3
1
0
7
10
16
10
5
0
0
0
0
26
54
79

Medium Clouds (% Sky Obscured)

62
56
35
27
10
1
11
20
23
33
41
52
46
40
32
25
5
4
19
37
56
71
85
100

High Clouds (% Sky Obscured)

2
1
0
0
0
0
2
3
4
2
2
3
5
7
18
23
26
20
25
34
65
78
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
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
2
3
3
3
4
6
7
24
32
35

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
6
5
4
3
3
4
4
4
4
5
6
7
7
8
8
10
12
14
15
15
16
11
7

Chance of Frost

Temperature (°C)

5
4
3
2
1
0
-1
-1
-1
-2
-2
-2
-2
-1
0
1
3
4
6
7
8
9
8
8

Feels Like (°C)

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

Dew Point (°C)

-14
-13
-12
-11
-11
-12
-12
-12
-12
-13
-13
-12
-12
-13
-13
-13
-13
-12
-12
-10
-9
-7
-6
-4

Relative Humidity (%)

23
28
34
40
41
41
42
42
42
41
42
43
43
40
38
35
32
30
27
28
30
31
36
41

Pressure (mb)

1023
1023
1024
1024
1024
1025
1025
1025
1025
1025
1025
1025
1025
1024
1024
1024
1022
1021
1019
1018
1016
1015
1014
1013

Ozone (du)

489
491
493
495
490
485
480
464
449
433
428
424
419
416
413
410
410
410
409
409
409
409
406
403

Tuesday 21

Waxing Crescent 26%

09:39

01:35

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

Sun - Rise: 05:52, Set: 19:48, Transit: 12:50. Moon - Rise: 09:39, Set: 01:35. Civil Dark: 20:20 - 05:19. Nautical Dark: 20:59 - 04:40. Astro Dark: 21:42 - 03:56

Total Clouds (% Sky Obscured)

100
100
100
100
92
85
82
84
83
77
67
57
51
50
39
36
36
40
45
55
76

Low Clouds (% Sky Obscured)

66
57
49
45
32
15
29
38
47
32
18
18
16
14
14
11
7
4
11
19
26

Medium Clouds (% Sky Obscured)

100
100
100
89
75
58
40
28
27
18
9
0
0
0
0
0
0
0
20
42
63

High Clouds (% Sky Obscured)

91
77
65
44
21
1
2
3
4
3
1
0
0
0
0
33
36
40
45
18
2

ISS Passover

Visibility (miles)

9
7
5
2
3
4
5
6
8
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
Very Light Rain
Very Light Rain
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 (%)

43
53
63
70
77
83
89
89
81
65
49
29
21
14
2
7
8
5
12
16
19

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

48
60
75
94
91
90
88
88
88
88
88
90
90
88
86
83
76
70
63
59
54

Pressure (mb)

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

Ozone (du)

400
396
392
388
389
389
389
391
393
395
403
410
417
417
417
417
417
417
417
420
422

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

Generated: 15/04/26 17:02:35. Forecast: 15/04/26 to 21/04/26. Timezone: UTC-4.00