Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 21

Waxing Crescent 37%

09:31

01:26

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

Sun - Rise: 05:44, Set: 19:40, Transit: 12:42. Moon - Rise: 09:31, Set: 01:26. Civil Dark: 20:11 - 05:12. Nautical Dark: 20:50 - 04:33. Astro Dark: 21:33 - 03:50

Total Clouds (% Sky Obscured)

3
2
13
81
85
88
90
89
88
90
89
100
98
86
88
91
85
91
93
91
96
97
96
91

Low Clouds (% Sky Obscured)

3
2
4
31
4
32
63
67
46
59
58
77
85
79
79
67
85
91
93
91
95
97
89
85

Medium Clouds (% Sky Obscured)

3
2
13
78
80
86
86
85
80
75
84
100
78
51
48
55
55
44
43
42
49
50
88
78

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
60
32
0
0
0
0
3
4
19

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
5
2
3
5
9
0
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
1
1
5
4
6
6
21
28
23
14
20
11
9
7

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
87
87
84
81
86
79
82
82
82
81
68
60
55
59
65
71
85
91
88
91
96
96
98

Pressure (mb)

1024
1024
1024
1023
1023
1022
1022
1021
1021
1021
1021
1020
1020
1019
1019
1018
1017
1017
1017
1016
1016
1016
1016
1016

Ozone (du)

384
378
379
380
382
385
384
387
392
394
396
399
399
402
404
404
403
403
403
404
405
406
407
408

Wednesday 22

Waxing Crescent 49%

10:49

02:12

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
17 Bad
18 Bad
19 Bad

Sun - Rise: 05:42, Set: 19:42, Transit: 12:42. Moon - Rise: 10:49, Set: 02:12. Civil Dark: 20:12 - 05:10. Nautical Dark: 20:52 - 04:31. Astro Dark: 21:35 - 03:47

Total Clouds (% Sky Obscured)

99
100
99
100
98
96
100
100
100
98
97
99
100
100
100
100
100
100
100
100
94
90
90
63

Low Clouds (% Sky Obscured)

83
78
77
62
73
80
85
100
100
95
90
96
100
100
100
100
100
100
100
100
86
84
88
63

Medium Clouds (% Sky Obscured)

81
59
57
100
95
89
100
100
100
76
29
41
27
10
14
37
55
32
24
15
20
39
32
34

High Clouds (% Sky Obscured)

52
35
10
3
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
9
9
9
2
0
0
0
0
0
6
4
9
0
1
9
5
2
3
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
93
93
93
72
26
6
1
0
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

3
2
3
6
13
43
70
95
95
59
29
11
13
26
34
39
46
42
37
34
32
33
26
23

Precipitation Amount (mm)

0
0
0
0
0
0
0.4
0.8
1.6
0
0
0
0
0
0
0
0.2
0.1
0
0
0
0
0
0

Wind Speed/Direction (mph)

3
3
3
3
3
3
3
4
4
6
6
8
9
10
10
10
10
10
11
11
11
10
10
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
100
98
98
96
100
98
100
100
98
100
94
93
88
91
91
86
85
74
77
67
76
80
88

Pressure (mb)

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

Ozone (du)

410
413
416
416
418
418
419
421
422
423
425
428
429
429
430
429
428
427
424
422
422
424
424
424

Thursday 23

First Quarter 60%

12:08

02:46

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

Sun - Rise: 05:41, Set: 19:43, Transit: 12:42. Moon - Rise: 12:08, Set: 02:46. Civil Dark: 20:14 - 05:09. Nautical Dark: 20:53 - 04:29. Astro Dark: 21:37 - 03:45

Total Clouds (% Sky Obscured)

84
62
25
37
21
19
24
37
32
56
64
78
96
96
100
95
100
99
99
100
100
88
77
71

Low Clouds (% Sky Obscured)

80
62
25
37
15
13
20
23
25
36
48
75
86
88
100
86
100
99
99
99
100
87
77
71

Medium Clouds (% Sky Obscured)

37
38
14
7
18
19
14
32
11
37
39
36
37
19
5
5
0
0
0
0
0
0
1
1

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
0
0
0
0
0

ISS Passover

Visibility (miles)

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

Fog (%)

0
0
0
0
0
0
0
0
0
66
77
50
24
24
24
24
24
24
24
24
24
24
24
24

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 (%)

21
23
12
3
1
1
0
0
0
0
1
3
2
16
16
17
16
7
11
18
13
11
5
1

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
94
92
94
96
96
96
96
96
96
98
94
87
81
76
70
56
57
57
62
57
64
69
74

Pressure (mb)

1013
1014
1014
1013
1013
1013
1013
1013
1012
1012
1012
1013
1013
1013
1013
1013
1012
1012
1013
1013
1013
1014
1014
1015

Ozone (du)

425
425
427
431
431
425
416
410
410
407
404
402
401
393
380
375
375
375
372
370
364
360
356
356

Friday 24

Waxing Gibbous 56%

13:24

03:11

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 OK
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad

Sun - Rise: 05:39, Set: 19:44, Transit: 12:42. Moon - Rise: 13:24, Set: 03:11. Civil Dark: 20:15 - 05:07. Nautical Dark: 20:55 - 04:27. Astro Dark: 21:39 - 03:43

Total Clouds (% Sky Obscured)

58
69
65
70
82
83
83
83
83
73
91
94
92
91
79
54
41
57
83
79
95
90
82
56

Low Clouds (% Sky Obscured)

57
67
63
68
82
83
83
83
83
73
91
91
89
85
74
54
41
57
51
64
94
81
41
24

Medium Clouds (% Sky Obscured)

4
7
10
7
3
0
0
0
0
3
5
8
6
3
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
4
11
7
10
10
15
6

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
2
1
1
0
8
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24

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 (%)

4
4
1
3
2
2
1
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
94
96
96
94
94
92
94
96
98
98
91
87
81
71
65
61
58
60
60
60
65
69
80

Pressure (mb)

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

Ozone (du)

356
356
355
355
353
352
357
361
361
361
360
358
358
356
358
357
357
359
360
360
360
362
362
361

Saturday 25

Waxing Gibbous 70%

14:37

03:32

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

Sun - Rise: 05:37, Set: 19:46, Transit: 12:42. Moon - Rise: 14:37, Set: 03:32. Civil Dark: 20:17 - 05:05. Nautical Dark: 20:56 - 04:25. Astro Dark: 21:41 - 03:40

Total Clouds (% Sky Obscured)

53
55
49
70
63
55
51
40
20
20
15
20
29
49
63
82
89
99
99
98
98
97
97
96

Low Clouds (% Sky Obscured)

17
10
5
5
4
3
2
2
4
2
2
2
9
14
18
45
72
99
94
89
81
80
82
84

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
3
20
20
15
20
29
49
63
82
89
96
97
97
98
97
97
96

High Clouds (% Sky Obscured)

13
14
14
14
14
15
14
15
15
20
14
1
7
13
31
50
44
34
23
13
2
1
1
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 (%)

24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24

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
6
11
16
18
23
30
31
33
33

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
4
3
3
3
3
3
3
3
3
3
3
4
5
5
5
5
4
4
4
3
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
89
92
91
92
89
92
91
92
94
91
83
72
67
63
60
59
59
59
63
69
73
77
82

Pressure (mb)

1018
1018
1018
1019
1019
1019
1019
1019
1020
1020
1020
1020
1020
1020
1020
1019
1019
1019
1018
1019
1019
1019
1019
1020

Ozone (du)

362
364
366
367
367
371
373
375
378
383
382
385
388
390
392
394
396
398
400
401
402
403
404
404

Sunday 26

Waxing Gibbous 80%

15:47

03:50

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
17 Bad
18 Bad
19 Bad

Sun - Rise: 05:36, Set: 19:47, Transit: 12:41. Moon - Rise: 15:47, Set: 03:50. Civil Dark: 20:18 - 05:03. Nautical Dark: 20:58 - 04:23. Astro Dark: 21:43 - 03:38

Total Clouds (% Sky Obscured)

97
98
98
98
97
95
96
96
96
95
93
90
94
98
100
100
100
100
99
99
96
85
72
64

Low Clouds (% Sky Obscured)

92
93
95
90
84
77
72
72
73
69
64
57
57
57
60
60
61
61
44
27
10
18
26
34

Medium Clouds (% Sky Obscured)

97
98
98
96
93
91
74
63
54
47
39
30
40
38
40
30
30
30
24
27
26
17
9
0

High Clouds (% Sky Obscured)

0
0
0
1
2
2
1
1
0
0
1
1
1
1
1
0
0
0
0
0
0
0
1
1

ISS Passover

Visibility (miles)

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

Fog (%)

24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24

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 (%)

42
43
29
27
26
22
18
14
8
10
10
8
9
7
2
7
10
12
13
12
8
14
14
10

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)

2
2
2
3
2
2
3
2
2
2
2
2
2
2
3
3
3
3
3
3
3
2
2
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
88
93
96
96
93
93
93
93
93
93
91
91
85
79
73
72
69
67
65
62
60
64
68

Pressure (mb)

1020
1021
1021
1022
1022
1022
1022
1022
1023
1023
1023
1024
1024
1024
1024
1024
1024
1023
1023
1023
1023
1023
1023
1023

Ozone (du)

405
404
404
403
404
404
405
405
405
404
400
395
390
388
386
384
385
386
388
383
379
375
372
368

Monday 27

Waxing Gibbous 88%

16:56

04:07

20 Bad
21 OK
22 OK
23 OK
00 OK
01 OK
02 OK
03 OK
04 OK
05 OK
06 OK
07 OK
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad

Sun - Rise: 05:34, Set: 19:48, Transit: 12:41. Moon - Rise: 16:56, Set: 04:07. Civil Dark: 20:19 - 05:02. Nautical Dark: 21:00 - 04:21. Astro Dark: 21:45 - 03:36

Total Clouds (% Sky Obscured)

55
36
29
31
29
29
33
33
24
31
38
47
51
56
58
72
86
100

Low Clouds (% Sky Obscured)

39
32
29
31
29
29
33
27
24
27
26
23
28
33
35
25
20
19

Medium Clouds (% Sky Obscured)

0
0
0
5
9
11
22
29
24
19
10
1
8
12
20
27
33
40

High Clouds (% Sky Obscured)

26
36
29
31
4
3
0
0
0
0
0
5
2
3
13
21
63
75

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

5
2
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

6
6
6
5
4
3
2
2
2
1
3
5
7
8
10
12
13
14

Feels Like (°C)

7
4
4
4
4
4
3
0
0
0
0
1
1
5
5
6
6
7

Dew Point (°C)

2
1
1
1
1
1
1
1
1
1
2
3
3
3
3
3
3
3

Relative Humidity (%)

72
72
74
74
79
85
89
93
94
98
91
85
79
69
59
53
50
48

Pressure (mb)

1023
1024
1024
1024
1024
1023
1023
1023
1023
1023
1023
1023
1022
1022
1021
1020
1019
1018

Ozone (du)

365
364
362
361
359
358
357
355
354
353
353
353
353
350
348
345
345
344

Forecast for Saint-Romain, Estrie, Canada (45.79,-71.09)

Generated: 21/04/26 20:00:07. Forecast: 21/04/26 to 27/04/26. Timezone: UTC-4.00