Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 17

New Moon 0%

05:40

20:20

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

Sun - Rise: 05:56, Set: 19:36, Transit: 12:46. Moon - Rise: 05:40, Set: 20:20. Civil Dark: 20:07 - 05:25. Nautical Dark: 20:45 - 04:47. Astro Dark: 21:26 - 04:06

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
98
95
92
84
84
46
31
34
40
38
24
24
16
0
0
33
34
32

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
97
93
88
76
79
41
31
34
40
38
24
24
16
0
0
32
32
22

Medium Clouds (% Sky Obscured)

36
37
81
58
13
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

100
100
89
0
0
0
0
3
1
0
0
0
0
0
0
0
0
0
0
0
0
2
3
16

ISS Passover

Visibility (miles)

0
0
2
2
2
2
4
8
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

9
25
71
73
21
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
1
0
3
12
1
0
0
0
2
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

8
7
7
7
7
8
9
9
9
9
10
10
9
8
8
10
9
9
8
7
7
7
6
5

Relative Humidity (%)

100
98
98
96
96
95
91
87
79
77
74
72
63
59
61
78
87
90
90
90
91
93
93
91

Pressure (mb)

1009
1010
1011
1012
1013
1014
1015
1015
1015
1016
1015
1015
1015
1015
1016
1017
1018
1019
1019
1019
1019
1018
1018
1018

Ozone (du)

323
323
323
329
329
329
332
332
333
333
338
339
338
337
336
334
332
331
330
330
329
331
333
336

Saturday 18

Waxing Crescent 2%

06:07

21:46

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

Sun - Rise: 05:55, Set: 19:38, Transit: 12:46. Moon - Rise: 06:07, Set: 21:46. Civil Dark: 20:09 - 05:23. Nautical Dark: 20:47 - 04:45. Astro Dark: 21:28 - 04:04

Total Clouds (% Sky Obscured)

53
51
98
14
2
12
3
5
2
51
52
66
19
72
94
91
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

13
16
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
20
35
66
65
59
53
100

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
29
30
4
62
100
100
95
80
93
100

High Clouds (% Sky Obscured)

29
24
98
12
2
12
3
5
2
51
52
66
18
72
85
80
100
100
85
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
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
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
5
26
59
95
83
79
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1.6
0.4
0.5
1.4

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

6
6
7
9
11
13
15
17
18
19
19
19
19
18
16
14
11
11
10
10
10
10
10
10

Feels Like (°C)

6
5
6
6
10
12
13
15
15
16
15
14
14
15
13
10
7
7
6
6
6
6
6
6

Dew Point (°C)

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

Relative Humidity (%)

94
93
93
88
74
63
58
52
49
48
48
49
52
56
64
70
72
76
78
82
81
82
84
85

Pressure (mb)

1018
1019
1018
1019
1019
1018
1017
1016
1015
1014
1013
1012
1011
1011
1010
1010
1010
1010
1009
1009
1008
1007
1006
1005

Ozone (du)

340
340
339
338
335
333
331
328
329
333
336
332
330
329
330
329
330
329
331
331
334
332
329
331

Sunday 19

Waxing Crescent 8%

06:41

23:10

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 OK
20 Good
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 05:53, Set: 19:39, Transit: 12:46. Moon - Rise: 06:41, Set: 23:10. Civil Dark: 20:10 - 05:22. Nautical Dark: 20:48 - 04:43. Astro Dark: 21:30 - 03:59

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
75
84
53
28
8
53
69
40
68
89
48
53

Low Clouds (% Sky Obscured)

100
100
100
92
99
100
100
81
73
61
45
69
38
59
26
27
6
43
63
35
60
46
48
50

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
94
100
100
100
100
75
84
53
3
1
1
38
40
24
70
30
38

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
30
30
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

95
95
95
95
95
95
95
62
89
77
39
38
36
48
10
1
1
15
21
27
16
21
14
21

Precipitation Amount (mm)

1.5
1.5
0.9
1.9
1
0.7
0.6
0.2
0.7
0.5
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

10
10
9
7
5
4
3
3
3
4
4
5
5
6
5
4
2
2
2
2
1
0
0
-1

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
93
95
93
96
96
93
89
86
88
83
75
79
79
80
76
85
89
83
88
84
92
86
87

Pressure (mb)

1004
1005
1007
1008
1010
1010
1011
1011
1010
1010
1010
1010
1009
1009
1010
1010
1011
1012
1013
1013
1013
1014
1014
1015

Ozone (du)

329
329
327
326
323
322
321
319
317
318
320
323
328
330
341
345
348
358
365
374
390
399
403
406

Monday 20

Waxing Crescent 16%

07:27

00:25

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 Good
21 Good
22 Good
23 Good
00 Good
01 Good
02 Good
03 Good

Sun - Rise: 05:51, Set: 19:40, Transit: 12:46. Moon - Rise: 07:27, Set: 00:25. Civil Dark: 20:11 - 05:20. Nautical Dark: 20:50 - 04:41. Astro Dark: 21:32 - 03:57

Total Clouds (% Sky Obscured)

69
78
63
44
47
57
71
80
90
99
95
90
87
75
66
70
17
13
7
6
5
2
3
3

Low Clouds (% Sky Obscured)

62
75
63
44
47
57
71
80
90
98
95
90
87
75
65
70
12
10
7
6
5
2
3
2

Medium Clouds (% Sky Obscured)

54
42
21
0
0
0
0
7
20
53
13
6
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

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

ISS Passover

Visibility (miles)

9
9
2
1
0
0
0
1
1
1
2
8
9
8
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
Snow
Snow
Snow
Light Rain
None
None
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

26
32
42
52
62
58
48
49
59
48
29
5
3
5
11
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0.1
0.3
0.5
0.4
0
0
0.3
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

7
7
8
9
9
9
9
9
9
10
11
12
10
9
7
5
3
3
3
4
4
4
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
87
87
89
87
89
88
77
73
79
61
56
49
52
52
61
76
79
78
76
76
78
78
79

Pressure (mb)

1016
1017
1018
1019
1020
1021
1022
1022
1022
1023
1023
1023
1024
1024
1025
1025
1026
1027
1027
1028
1028
1028
1028
1028

Ozone (du)

408
405
403
403
404
405
405
408
410
410
412
422
435
440
439
440
442
445
452
463
458
448
436
420

Tuesday 21

Waxing Crescent 26%

08:26

01:26

04 Good
05 Good
06 Good
07 Good
08 OK
09 Good
10 OK
11 OK
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

Sun - Rise: 05:50, Set: 19:41, Transit: 12:45. Moon - Rise: 08:26, Set: 01:26. Civil Dark: 20:13 - 05:18. Nautical Dark: 20:52 - 04:39. Astro Dark: 21:34 - 03:55

Total Clouds (% Sky Obscured)

3
6
6
3
20
7
31
47
55
53
70
81
96
97
99
100
99
98
98
99
100
100
96
91

Low Clouds (% Sky Obscured)

2
1
1
0
0
0
0
0
0
0
0
0
0
0
0
20
77
94
98
99
99
100
94
87

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
3
4
52
53
70
81
96
97
99
99
90
79
69
48
28
9
8
7

High Clouds (% Sky Obscured)

0
1
0
0
2
0
3
18
23
8
46
46
47
68
86
100
78
58
40
44
42
44
27
15

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

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
1
2
0
44
56
28
31
36
42
42
38
31
35
34

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.4
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

-5
-5
-5
-3
1
3
5
6
7
9
10
10
9
10
7
5
5
5
5
5
5
5
5
4

Feels Like (°C)

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

Dew Point (°C)

-8
-8
-8
-8
-9
-10
-10
-9
-8
-8
-7
-6
-5
-4
-0
2
2
2
2
2
2
2
2
2

Relative Humidity (%)

79
77
76
65
49
37
34
33
32
31
29
32
37
39
59
82
78
79
80
80
80
82
83
88

Pressure (mb)

1029
1029
1029
1029
1029
1028
1027
1026
1024
1022
1021
1019
1018
1017
1016
1016
1015
1015
1015
1014
1014
1013
1012
1012

Ozone (du)

409
406
407
408
403
401
398
393
392
392
390
388
386
387
388
390
391
392
394
395
396
397
398
403

Wednesday 22

Waxing Crescent 37%

09:37

02:13

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
03 Bad

Sun - Rise: 05:48, Set: 19:43, Transit: 12:45. Moon - Rise: 09:37, Set: 02:13. Civil Dark: 20:14 - 05:16. Nautical Dark: 20:53 - 04:37. Astro Dark: 21:36 - 03:53

Total Clouds (% Sky Obscured)

87
88
89
90
92
95
97
93
89
92
90
88
89
87
83
82
73
71
65
68
67
66
58
54

Low Clouds (% Sky Obscured)

75
79
83
90
91
93
95
81
67
53
66
72
82
82
82
82
67
51
35
34
32
31
31
31

Medium Clouds (% Sky Obscured)

10
9
5
1
5
10
16
24
29
38
40
30
20
28
36
44
34
26
19
15
11
5
13
20

High Clouds (% Sky Obscured)

2
1
1
0
0
0
0
0
0
0
1
1
2
5
7
5
0
0
0
5
5
5
8
9

ISS Passover

Visibility (miles)

9
9
7
4
2
4
7
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 (%)

27
29
29
28
31
32
29
36
42
49
44
39
32
21
15
9
9
8
5
4
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
6
6
8
11
11
12
13
13
13
14
13
13
13
10
8
6
5
5
4
4
4
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
96
96
98
96
85
75
65
55
46
38
38
38
40
45
51
59
60
63
65
67
67
70
70

Pressure (mb)

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

Ozone (du)

407
412
414
416
419
414
410
406
406
406
406
406
406
407
406
406
406
403
399
396
394
392
390
388

Thursday 23

First Quarter 49%

10:54

02:47

04 OK
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 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad

Sun - Rise: 05:46, Set: 19:44, Transit: 12:45. Moon - Rise: 10:54, Set: 02:47. Civil Dark: 20:16 - 05:14. Nautical Dark: 20:55 - 04:35. Astro Dark: 21:38 - 03:50

Total Clouds (% Sky Obscured)

48
52
53
57
59
59
64
54
49
42
58
71
75
78
83
91
94
98
100
100
100
100

Low Clouds (% Sky Obscured)

30
40
49
57
55
50
50
42
33
24
11
5
0
2
5
10
20
33
50
60
60
65

Medium Clouds (% Sky Obscured)

27
33
37
40
46
55
61
39
29
18
14
11
10
26
42
59
64
60
64
68
72
72

High Clouds (% Sky Obscured)

14
11
8
3
1
0
0
3
6
9
8
7
6
4
2
0
33
67
100
98
96
94

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

Fog (%)

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

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
4
6
3
19
24
27

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

-2
-2
-0
2
4
6
8
9
11
12
13
13
13
12
11
9
7
7
6
5
5
4

Feels Like (°C)

-4
-4
-4
-4
-4
3
4
4
5
5
5
11
11
10
9
9
10
3
3
3
3
2

Dew Point (°C)

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

Relative Humidity (%)

71
71
62
55
47
41
36
32
30
29
28
29
30
31
37
44
52
54
58
60
66
71

Pressure (mb)

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

Ozone (du)

386
384
381
378
375
374
372
370
369
368
367
366
365
364
364
363
363
361
360
358
357
356

Forecast for View Point, Estrie, Canada (45.37,-71.85)

Generated: 17/04/26 04:29:08. Forecast: 17/04/26 to 23/04/26. Timezone: UTC-4.00