Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 27

Waxing Gibbous 88%

No Rise

04:10

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

Sun - Rise: 05:38, Set: 19:49, Transit: 12:44. Moon - Rise: No Rise, Set: 04:10. Civil Dark: 20:21 - 05:06. Nautical Dark: 21:01 - 04:26. Astro Dark: 21:45 - 03:41

Total Clouds (% Sky Obscured)

38
47
34
23
47
2
6
7
5
2
0
1
5
42
72
73
27
43
57
90
90
87
98
100

Low Clouds (% Sky Obscured)

12
27
29
23
28
1
1
0
0
0
0
0
0
0
0
0
0
0
0
26
0
22
4
48

Medium Clouds (% Sky Obscured)

2
2
0
0
0
0
6
7
5
0
0
0
0
0
0
0
0
0
0
0
29
29
35
40

High Clouds (% Sky Obscured)

3
2
0
0
0
0
0
0
0
2
0
0
4
42
72
73
27
43
52
85
83
76
96
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
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)

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

Chance of Frost

Temperature (°C)

22
22
21
19
16
13
12
11
10
8
7
7
7
7
6
9
14
17
19
21
22
22
23
23

Feels Like (°C)

20
22
21
18
14
12
12
11
10
7
6
6
6
6
4
7
11
14
16
18
18
19
20
19

Dew Point (°C)

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

Relative Humidity (%)

33
37
49
58
61
64
72
75
78
77
78
81
84
85
87
80
64
55
49
43
39
37
36
36

Pressure (mb)

1022
1022
1022
1022
1023
1023
1023
1023
1023
1023
1023
1022
1023
1022
1023
1023
1022
1021
1020
1019
1018
1018
1018
1017

Ozone (du)

383
383
381
378
376
374
370
369
366
361
358
356
353
349
348
350
348
346
343
342
342
341
340
339

Tuesday 28

Waxing Gibbous 94%

16:58

04:27

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
09 Bad
10 Bad
11 Bad
12 Bad
13 OK
14 Bad
15 Bad

Sun - Rise: 05:37, Set: 19:50, Transit: 12:44. Moon - Rise: 16:58, Set: 04:27. Civil Dark: 20:23 - 05:04. Nautical Dark: 21:03 - 04:24. Astro Dark: 21:47 - 03:39

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
89
88
99
99
65
80
92
78
46
83
99

Low Clouds (% Sky Obscured)

15
6
15
1
0
0
0
0
0
34
30
25
30
30
25
25
76
65
71
73
75
46
71
49

Medium Clouds (% Sky Obscured)

34
18
0
0
0
42
77
100
100
17
31
43
54
46
42
38
40
47
46
79
62
46
53
46

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
75
40
50
9
0
3
3
2
3
6
0
1
35
78

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
1
3
5
6
5
3
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)

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

Chance of Frost

Temperature (°C)

22
21
20
18
15
13
12
11
11
10
9
9
9
8
8
9
10
11
12
14
16
18
19
20

Feels Like (°C)

19
18
17
15
12
10
9
8
7
6
6
5
4
4
4
5
6
7
9
12
13
15
18
17

Dew Point (°C)

9
9
9
10
8
6
6
5
4
3
2
1
-1
-2
-3
-2
-1
-1
-3
0
2
4
6
7

Relative Humidity (%)

43
46
50
60
64
62
65
65
65
64
62
56
52
49
47
48
48
44
37
38
38
40
40
42

Pressure (mb)

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

Ozone (du)

340
341
343
341
343
342
347
347
348
351
357
363
362
362
360
358
357
359
364
370
367
368
366
367

Wednesday 29

Waxing Gibbous 98%

18:06

04:45

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
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 05:35, Set: 19:52, Transit: 12:44. Moon - Rise: 18:06, Set: 04:45. Civil Dark: 20:24 - 05:03. Nautical Dark: 21:04 - 04:22. Astro Dark: 21:49 - 03:37

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
98

Low Clouds (% Sky Obscured)

30
30
21
15
28
1
31
50
42
76
85
88
86
93
89
91
100
100
100
100
98
94
90
85

Medium Clouds (% Sky Obscured)

60
61
91
54
99
90
100
100
82
99
100
100
100
100
100
100
100
100
100
84
100
98
96
95

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
77
67
91
100
61
67

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
8
8
8
8
7
8
2
3
8
9
9
9
9
8

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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
6
15
23
65
95
85
95
95
95
95
95
95
95
88
66
78

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.2
0.8
0.4
0.9
1.3
2
1.8
1
1
0.8
0.5
0.3
0.4

Wind Speed/Direction (mph)

9
8
8
9
11
10
10
10
10
9
9
8
9
7
6
7
7
7
6
6
6
6
6
5

Chance of Frost

Temperature (°C)

19
18
16
15
13
11
10
9
9
9
8
8
8
8
8
8
8
8
8
8
8
9
9
9

Feels Like (°C)

16
16
14
13
9
8
7
6
6
5
5
5
5
5
5
5
5
6
5
5
6
6
7
7

Dew Point (°C)

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

Relative Humidity (%)

44
53
60
68
72
75
81
84
84
87
87
88
91
94
94
95
93
95
93
91
90
90
91
93

Pressure (mb)

1009
1009
1009
1009
1010
1010
1010
1010
1009
1009
1009
1008
1008
1008
1007
1008
1007
1007
1007
1007
1006
1006
1006
1006

Ozone (du)

364
362
364
364
364
365
366
366
366
366
367
367
368
368
368
371
373
379
380
378
376
377
376
371

Thursday 30

Waxing Gibbous 100%

19:14

05:05

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
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 05:34, Set: 19:53, Transit: 12:44. Moon - Rise: 19:14, Set: 05:05. Civil Dark: 20:25 - 05:01. Nautical Dark: 21:06 - 04:20. Astro Dark: 21:51 - 03:34

Total Clouds (% Sky Obscured)

98
98
98
98
98
98
99
99
100
100
100
100
100
100
100
100
99
98
98
98
99
100
100
99

Low Clouds (% Sky Obscured)

82
88
92
95
94
96
96
96
97
97
98
99
100
100
100
100
99
98
98
98
99
100
97
94

Medium Clouds (% Sky Obscured)

92
91
92
92
93
94
95
97
97
67
97
93
68
81
83
84
95
94
92
93
96
100
97
91

High Clouds (% Sky Obscured)

50
50
33
1
0
0
0
0
0
0
33
67
100
100
100
100
67
32
1
1
0
0
0
0

ISS Passover

Visibility (miles)

7
6
8
5
4
6
8
9
2
3
4
9
4
3
8
8
8
9
9
7
7
9
8
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
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

80
82
84
90
84
77
59
48
47
37
30
26
15
22
22
18
21
25
29
23
30
31
32
30

Precipitation Amount (mm)

0.4
0.4
0.5
0.7
0.6
0.5
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
96
96
98
96
96
98
98
96
98
98
96
96
98
94
94
93
93
91
89
86
85
82
79

Pressure (mb)

1006
1006
1006
1006
1006
1007
1007
1007
1006
1006
1006
1006
1007
1007
1007
1007
1007
1007
1007
1007
1007
1007
1007
1007

Ozone (du)

368
367
368
368
371
371
372
375
379
380
383
382
380
382
386
389
393
396
396
398
399
400
403
403

Friday 1

Full Moon 100%

20:22

05:30

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
09 OK
10 OK
11 OK
12 OK
13 Bad
14 Bad
15 Bad

Sun - Rise: 05:32, Set: 19:54, Transit: 12:44. Moon - Rise: 20:22, Set: 05:30. Civil Dark: 20:27 - 04:59. Nautical Dark: 21:08 - 04:18. Astro Dark: 21:53 - 03:32

Total Clouds (% Sky Obscured)

98
97
97
96
83
79
95
96
97
97
77
80
75
82
71
59
52
41
34
39
47
58
64
65

Low Clouds (% Sky Obscured)

90
85
84
84
73
70
84
83
81
80
76
74
72
82
71
59
38
19
12
11
13
12
35
53

Medium Clouds (% Sky Obscured)

89
85
85
84
39
39
35
32
29
26
26
25
25
23
20
15
11
7
7
2
1
0
4
8

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
15
30
50
39
34

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 (%)

31
32
33
32
28
25
20
23
21
9
12
12
5
10
9
5
9
7
2
2
1
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)

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

Chance of Frost

Temperature (°C)

7
7
6
6
5
4
3
4
4
4
3
1
-0
-1
-0
1
3
5
7
9
10
11
11
11

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

72
74
78
76
76
82
85
80
77
79
83
93
92
94
92
86
75
61
50
41
39
37
36
36

Pressure (mb)

1008
1008
1008
1009
1009
1010
1010
1010
1010
1010
1010
1011
1011
1012
1012
1012
1012
1012
1011
1011
1011
1010
1010
1010

Ozone (du)

404
403
402
402
404
406
408
411
412
411
407
406
403
402
403
404
402
397
392
388
385
381
378
374

Saturday 2

Waning Gibbous 98%

21:29

06:00

16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 OK
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

Sun - Rise: 05:31, Set: 19:55, Transit: 12:44. Moon - Rise: 21:29, Set: 06:00. Civil Dark: 20:28 - 04:58. Nautical Dark: 21:09 - 04:17. Astro Dark: 21:55 - 03:30

Total Clouds (% Sky Obscured)

63
59
61
63
57
51
44
59
74
89
92
95
98
97
97
97
97
97
96
97
99
100
99
98

Low Clouds (% Sky Obscured)

60
58
60
63
56
45
32
37
43
48
56
53
52
52
51
50
62
74
86
79
71
64
55
46

Medium Clouds (% Sky Obscured)

11
8
5
2
8
13
17
34
51
69
78
86
94
94
94
93
90
90
89
94
98
100
99
98

High Clouds (% Sky Obscured)

28
23
14
8
8
9
8
14
21
28
28
24
18
22
30
33
17
8
0
3
1
0
0
1

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
4
2
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
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
1
4
4
3
10
12
11
22
30
37
39
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

36
35
43
52
64
67
71
74
77
78
81
78
76
73
73
72
72
67
63
60
70
81
94
88

Pressure (mb)

1010
1009
1010
1010
1010
1010
1010
1010
1010
1010
1009
1009
1008
1008
1008
1008
1008
1007
1007
1006
1006
1005
1005
1004

Ozone (du)

370
367
367
368
368
369
369
370
370
371
372
373
374
375
378
382
385
386
386
387
389
392
394
395

Sunday 3

Waning Gibbous 94%

22:33

06:38

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
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad

Sun - Rise: 05:29, Set: 19:57, Transit: 12:44. Moon - Rise: 22:33, Set: 06:38. Civil Dark: 20:30 - 04:56. Nautical Dark: 21:11 - 04:15. Astro Dark: 21:58 - 03:28

Total Clouds (% Sky Obscured)

96
89
79
68
78
88
99
99
99
99
98
97
95
94
94
95
83
69
53
69
84
100

Low Clouds (% Sky Obscured)

38
33
27
22
32
48
74
80
82
85
75
70
68
67
64
60
61
64
53
69
84
100

Medium Clouds (% Sky Obscured)

96
89
79
68
78
88
99
92
85
79
59
40
20
26
32
38
31
37
33
26
19
15

High Clouds (% Sky Obscured)

2
15
31
40
25
10
5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

7
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 (%)

38
32
29
28
36
34
20
18
13
10
20
24
24
21
17
8
16
22
26
32
35
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

Wind Speed/Direction (mph)

6
6
5
5
5
5
6
7
6
6
6
6
7
7
7
8
8
9
10
11
10
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
78
79
82
85
83
81
78
80
82
85
85
86
89
83
79
75
74
73
71
75
79

Pressure (mb)

1004
1003
1004
1004
1004
1004
1004
1004
1004
1004
1004
1004
1004
1004
1004
1004
1004
1003
1003
1003
1003
1002

Ozone (du)

396
397
398
400
401
401
401
401
401
400
399
399
399
399
399
399
399
400
400
401
400
400

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

Generated: 27/04/26 16:45:44. Forecast: 27/04/26 to 03/05/26. Timezone: UTC-4.00