Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 16

Waning Crescent 0%

05:45

20:32

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 OK
14 OK
15 Good
16 Good
17 Good
18 Good
19 Good
20 Good

Sun - Rise: 06:02, Set: 19:46, Transit: 12:54. Moon - Rise: 05:45, Set: 20:32. Civil Dark: 20:18 - 05:30. Nautical Dark: 20:57 - 04:51. Astro Dark: 21:38 - 04:09

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
93
88
85
79
73
67
78
53
49
37
22
0
0
1
0
0
0

Low Clouds (% Sky Obscured)

88
99
100
100
100
100
86
93
88
85
79
73
67
78
45
39
25
15
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

82
72
42
71
15
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
3
0
0
0
0
9
0
0
0
0
3
0
0
1
0
0
0

ISS Passover

Visibility (miles)

0
0
0
0
0
0
0
8
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

27
16
5
2
1
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 (%)

7
2
0
0
0
0
0
0
2
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)

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

Chance of Frost

Temperature (°C)

5
5
5
6
6
6
6
6
6
5
6
6
8
8
10
10
11
12
12
12
12
12
11
10

Feels Like (°C)

3
3
3
4
4
4
3
3
3
2
2
3
5
5
7
9
10
11
11
11
12
12
11
10

Dew Point (°C)

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

Relative Humidity (%)

100
100
100
98
98
98
98
94
94
91
91
91
87
81
73
64
60
56
56
55
54
58
70
77

Pressure (mb)

1009
1009
1009
1009
1010
1010
1010
1011
1012
1013
1014
1015
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1017
1018

Ozone (du)

330
328
324
326
329
331
336
339
338
337
339
338
338
337
337
338
339
341
344
345
346
347
350
349

Friday 17

New Moon 3%

06:11

No Set

21 Good
22 Good
23 Good
00 Bad
01 Bad
02 OK
03 Bad
04 Bad
05 OK
06 OK
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

Sun - Rise: 06:00, Set: 19:47, Transit: 12:54. Moon - Rise: 06:11, Set: No Set. Civil Dark: 20:19 - 05:28. Nautical Dark: 20:59 - 04:49. Astro Dark: 21:40 - 04:06

Total Clouds (% Sky Obscured)

0
1
13
55
42
20
44
65
37
42
55
64
70
81
84
69
100
100
82
96
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
20
22
35
48
63
61
52
54
37
17
10
4
32
41
72
87
87

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
26
27
67
86
89
100
99
86

High Clouds (% Sky Obscured)

0
1
11
29
42
20
44
65
30
8
8
3
33
76
79
69
100
100
82
91
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
9
9
4
2

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
Light Rain
Light Rain
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
7
29
50
91
95
61

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.9
0

Wind Speed/Direction (mph)

2
3
4
4
4
4
3
4
4
5
6
8
10
13
15
16
17
18
18
18
18
16
16
15

Chance of Frost

Temperature (°C)

8
8
7
6
6
6
5
5
5
6
6
8
9
10
11
12
14
15
15
16
15
14
13
12

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

78
79
85
90
91
93
93
93
93
94
94
90
84
78
76
70
61
61
61
68
74
86
93
95

Pressure (mb)

1019
1019
1019
1018
1018
1018
1018
1018
1018
1017
1016
1016
1015
1014
1012
1011
1009
1008
1007
1006
1005
1005
1005
1004

Ozone (du)

350
351
349
348
347
348
351
351
346
344
342
339
340
339
338
338
336
333
332
333
334
335
335
337

Saturday 18

Waxing Crescent 8%

06:44

21:59

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
17 Bad
18 Bad
19 Bad
20 Bad

Sun - Rise: 05:58, Set: 19:49, Transit: 12:54. Moon - Rise: 06:44, Set: 21:59. Civil Dark: 20:21 - 05:26. Nautical Dark: N/A - 04:47. Astro Dark: 21:42 - 04:04

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
96
100
97
94
86
78
69
62
65

Low Clouds (% Sky Obscured)

92
97
92
100
67
15
15
14
61
35
46
47
53
38
63
78
78
80
87
86
78
69
62
65

Medium Clouds (% Sky Obscured)

71
72
83
90
100
100
100
100
100
100
100
100
100
100
100
78
100
73
43
14
18
7
9
6

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
45
40
27
50
0
45
45
50
19
0
0

ISS Passover

Visibility (miles)

0
0
0
0
0
0
2
2
2
9
9
5
2
3
9
9
4
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
5
14
31
56
13
100
96
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

80
95
95
58
87
95
95
95
95
44
19
50
31
13
1
1
21
9
10
15
23
24
4
2

Precipitation Amount (mm)

0.3
1.5
1
0
0.4
2.3
1.1
1.2
0.7
0
0
0.2
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

11
11
10
9
10
8
6
4
4
3
2
2
2
2
2
3
3
4
4
4
3
2
-0
-2

Feels Like (°C)

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

Dew Point (°C)

10
10
9
9
10
8
4
3
3
2
1
-0
-1
-2
-4
-5
-6
-6
-8
-9
-8
-8
-9
-10

Relative Humidity (%)

96
96
96
96
98
98
91
93
93
94
88
85
86
80
65
58
52
49
42
41
46
49
53
53

Pressure (mb)

1004
1004
1003
1003
1002
1003
1004
1005
1005
1006
1007
1008
1008
1009
1008
1008
1007
1007
1007
1007
1007
1008
1010
1011

Ozone (du)

335
333
332
335
336
331
329
330
332
332
335
336
336
338
336
341
344
351
351
352
358
363
375
390

Sunday 19

Waxing Crescent 16%

07:28

23:24

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

Sun - Rise: 05:57, Set: 19:50, Transit: 12:53. Moon - Rise: 07:28, Set: 23:24. Civil Dark: 20:22 - 05:25. Nautical Dark: 21:00 - 04:45. Astro Dark: 21:44 - 04:01

Total Clouds (% Sky Obscured)

69
67
64
53
51
47
38
64
81
86
85
87
90
92
90
88
42
53
72
69
65
43
3
1

Low Clouds (% Sky Obscured)

69
67
62
24
18
15
15
58
81
86
85
87
90
92
90
88
39
53
72
69
65
43
3
1

Medium Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
6
4
5
6
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 (%)

2
1
0
0
0
1
4
3
8
20
18
6
7
2
1
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)

12
11
12
10
10
9
9
8
8
8
9
10
10
11
10
10
10
9
9
9
9
8
6
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-9
-10
-10
-10
-9
-10
-10
-10
-11
-12
-12
-12
-12
-11
-10
-9
-7
-6
-6
-6
-6
-7
-7
-6

Dew Point (°C)

-12
-12
-12
-12
-12
-12
-12
-13
-13
-12
-13
-16
-17
-18
-18
-20
-21
-21
-21
-21
-21
-22
-20
-18

Relative Humidity (%)

53
56
59
62
65
67
67
64
63
67
62
47
39
35
31
25
21
19
18
18
19
19
22
31

Pressure (mb)

1012
1014
1015
1016
1016
1017
1018
1019
1019
1021
1022
1023
1023
1024
1024
1024
1024
1024
1024
1024
1024
1025
1025
1026

Ozone (du)

404
414
416
418
416
418
423
426
430
433
431
433
435
438
445
450
453
455
458
461
461
460
461
460

Monday 20

Waxing Crescent 26%

08:27

00:40

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

Sun - Rise: 05:55, Set: 19:52, Transit: 12:53. Moon - Rise: 08:27, Set: 00:40. Civil Dark: 20:24 - 05:23. Nautical Dark: 21:02 - 04:43. Astro Dark: 21:46 - 03:59

Total Clouds (% Sky Obscured)

0
0
0
2
15
87
78
83
96
99
100
100
100
100
100
100
100
100
100
99
97
95
92
86

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
11
22
32
52
72
93
95
97
99
95
89
79
75

Medium Clouds (% Sky Obscured)

0
0
0
0
0
56
51
26
53
87
100
95
89
84
90
95
99
97
95
93
92
91
89
59

High Clouds (% Sky Obscured)

0
0
0
2
7
60
7
56
75
85
96
84
73
47
14
5
5
0
5
5
4
4
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
7
5
3
0
0
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
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
23
35
45
72
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
0.1
0.3
0.8
1.6
1.6
1.4
1
0.8

Wind Speed/Direction (mph)

3
3
2
2
2
3
4
5
5
6
7
10
11
13
15
15
15
15
13
11
9
7
6
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-6
-6
-6
-6
-7
-7
-9
-9
-9
-10
-9
-8
-8
-7
-8
-6
-6
-5
-5
-4
-4
-4
-5
-4

Dew Point (°C)

-18
-18
-18
-18
-19
-19
-18
-18
-18
-17
-17
-17
-15
-14
-13
-10
-8
-6
-4
-2
-0
0
-0
1

Relative Humidity (%)

33
33
34
35
35
35
34
36
38
39
37
33
34
34
35
42
50
58
69
81
96
96
96
98

Pressure (mb)

1027
1027
1027
1027
1027
1027
1027
1027
1027
1026
1026
1025
1024
1022
1021
1019
1018
1016
1015
1015
1014
1014
1013
1013

Ozone (du)

454
449
441
434
414
404
407
405
405
406
407
405
405
404
403
402
401
400
400
400
401
400
399
398

Tuesday 21

Waxing Crescent 37%

09:39

01:41

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
17 Bad
18 Bad
19 Bad
20 Bad

Sun - Rise: 05:53, Set: 19:53, Transit: 12:53. Moon - Rise: 09:39, Set: 01:41. Civil Dark: 20:25 - 05:21. Nautical Dark: 21:04 - 04:41. Astro Dark: 21:48 - 03:56

Total Clouds (% Sky Obscured)

79
71
73
75
77
80
84
87
91
95
99
94
93
95
98
99
98
94
89
85
89
94
93
89

Low Clouds (% Sky Obscured)

73
71
73
75
77
80
84
87
91
95
99
87
76
81
87
86
88
70
44
14
5
2
0
0

Medium Clouds (% Sky Obscured)

28
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
3
4
5
5
15
23
16
20

High Clouds (% Sky Obscured)

0
0
0
2
0
0
0
0
0
0
0
0
1
1
2
3
4
23
41
60
66
76
81
84

ISS Passover

Visibility (miles)

0
0
0
3
6
9
8
7
6
7
8
9
9
8
8
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
0
0
0
0
0

Precipitation Type

Snow
Snow
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

85
56
40
25
4
6
6
2
6
8
10
11
8
3
7
8
8
8
5
0
0
0
0
0

Precipitation Amount (mm)

0.5
0.2
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
5
7
9
11
12
12
12
11
12
12
12
11
11
10
10
10
10
10
10
9
8
6
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-4
-4
-4
-5
-5
-5
-4
-5
-6
-6
-7
-8
-7
-5
-6
-6
-5
-5
-1
-0
-1
0
0
1

Dew Point (°C)

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

Relative Humidity (%)

98
98
98
94
92
91
91
92
94
92
91
89
86
83
80
76
73
68
67
68
67
74
83
94

Pressure (mb)

1013
1013
1013
1013
1014
1014
1015
1016
1017
1018
1019
1020
1020
1020
1021
1021
1021
1021
1021
1020
1020
1021
1022
1022

Ozone (du)

399
401
402
405
409
413
415
418
421
420
419
418
415
412
409
406
403
399
398
396
394
394
393
392

Wednesday 22

Waxing Crescent 49%

10:57

02:26

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

Sun - Rise: 05:52, Set: 19:54, Transit: 12:53. Moon - Rise: 10:57, Set: 02:26. Civil Dark: 20:27 - 05:19. Nautical Dark: 21:05 - 04:39. Astro Dark: 21:50 - 03:54

Total Clouds (% Sky Obscured)

89
90
93
97
100
100
100
100
100
100
100
100
100
100
97
93
90

Low Clouds (% Sky Obscured)

0
10
21
38
51
55
60
59
54
54
49
39
26
17
30
45
58

Medium Clouds (% Sky Obscured)

22
27
28
19
15
43
73
100
98
95
93
88
84
78
58
38
13

High Clouds (% Sky Obscured)

87
90
92
93
96
98
100
100
100
100
100
99
98
97
97
93
90

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

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
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-5
-5
-4
-5
-4
-4
-5
-5
-6
-6
-7
-7
-2
-2
-2
-1
1

Dew Point (°C)

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

Relative Humidity (%)

94
94
98
96
96
96
96
94
96
89
86
83
78
76
72
71
71

Pressure (mb)

1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1024
1023
1023
1022
1022
1021

Ozone (du)

393
395
396
396
396
396
397
399
401
400
400
399
399
400
400
399
399

Forecast for Lac-Saint-Louis, Lanaudière, Canada (46.57,-73.80)

Generated: 16/04/26 21:11:44. Forecast: 16/04/26 to 22/04/26. Timezone: UTC-4.00