Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 20

Waning Gibbous 96%

21:17

07:33

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 OK
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad

Sun - Rise: 05:55, Set: 19:44, Transit: 12:51. Moon - Rise: 21:17, Set: 07:33. Civil Dark: 20:16 - 05:24. Nautical Dark: 20:54 - 04:45. Astro Dark: 21:36 - 04:03

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
97
90
41
98
98
98
99
98

Low Clouds (% Sky Obscured)

95
91
100
100
100
99
70
99
98
96
71
34
54
53
100
100
73
87
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

87
89
63
63
89
98
100
64
66
38
9
0
0
79
96
20
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

98
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
89
52
41
98
98
98
99
98

ISS Passover

Visibility (miles)

7
9
9
9
10
10
10
10
9
9
9
9
9
10
10
10
10
10
10
10
10
10
10
10

Fog (%)

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

Precipitation Probability (%)

100
100
65
49
39
16
19
19
32
25
15
7
2
4
7
9
8
6
4
3
2
0
0
0

Precipitation Amount (mm)

0.89
0.49
0.27
0.42
0.22
0.08
0.07
0.05
0.11
0.2
0.14
0.12
0.03
0.05
0.19
0.3
0.29
0.22
0.15
0.07
0.02
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

2
3
3
4
5
6
8
10
11
12
12
12
12
12
11
11
12
12
12
12
12
11
11
12

Dew Point (°C)

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

Relative Humidity (%)

92
93
94
96
95
94
92
91
91
91
90
91
93
94
94
92
89
86
84
83
82
82
81
79

Pressure (mb)

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

Ozone (du)

293
294
294
294
293
290
288
287
285
284
284
285
286
287
287
288
289
291
293
294
297
298
300
302

Sunday 21

Waning Gibbous 90%

22:27

No Set

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
04 OK
05 OK
06 OK
07 OK

Sun - Rise: 05:54, Set: 19:46, Transit: 12:50. Moon - Rise: 22:27, Set: No Set. Civil Dark: 20:17 - 05:22. Nautical Dark: 20:55 - 04:43. Astro Dark: 21:37 - 04:01

Total Clouds (% Sky Obscured)

100
99
95
95
95
88
88
93
92
58
67
76
95
74
95
95
98
94
83
60
37
16
14
14

Low Clouds (% Sky Obscured)

2
0
0
0
0
1
0
3
1
0
0
0
20
21
14
20
21
24
22
20
16
9
9
9

Medium Clouds (% Sky Obscured)

0
0
0
1
9
60
41
31
30
34
33
26
31
24
20
25
32
38
41
47
36
12
11
13

High Clouds (% Sky Obscured)

100
99
95
95
95
70
81
90
88
37
52
71
92
65
94
93
98
92
71
24
0
0
0
0

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
9
10
10

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

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.01
0.02
0.01
0.01
0.01
0
0
0
0
0
0
0.01
0.01
0.01
0.01
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

13
14
15
17
18
18
19
20
20
20
19
17
16
14
14
13
12
11
11
10
9
9
9
9

Feels Like (°C)

13
14
15
17
18
18
19
20
20
20
19
17
16
14
14
13
12
11
11
10
8
8
7
7

Dew Point (°C)

9
9
10
10
11
10
10
10
11
11
11
11
11
11
10
10
10
9
9
9
9
8
8
8

Relative Humidity (%)

78
75
70
67
63
60
56
54
53
54
58
66
74
79
81
83
85
88
90
91
94
95
95
93

Pressure (mb)

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

Ozone (du)

304
305
307
309
310
311
313
317
321
325
328
331
333
333
333
332
332
332
332
332
333
334
335
337

Monday 22

Waning Gibbous 83%

23:33

08:10

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

Sun - Rise: 05:52, Set: 19:47, Transit: 12:50. Moon - Rise: 23:33, Set: 08:10. Civil Dark: 20:18 - 05:20. Nautical Dark: 20:57 - 04:42. Astro Dark: 21:39 - 03:59

Total Clouds (% Sky Obscured)

15
35
41
38
3
4
3
8
20
45
18
19
24
30
15
4
4
2
1
1
1
1
1
1

Low Clouds (% Sky Obscured)

11
11
0
1
0
2
1
3
5
8
16
13
2
5
5
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

11
35
41
38
3
4
3
8
19
45
14
13
23
28
13
1
2
1
1
1
1
1
1
1

High Clouds (% Sky Obscured)

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

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10

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

Precipitation Probability (%)

0
4
8
11
7
4
0
0
0
0
0
0
0
0
0
1
1
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0.02
0.08
0.14
0.08
0.02
0
0
0
0
0
0
0
0
0
0.01
0.01
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

7
7
8
10
11
13
14
15
16
16
16
15
13
12
11
10
7
7
6
5
4
3
3
3

Dew Point (°C)

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

Relative Humidity (%)

92
88
86
84
82
78
73
68
64
61
61
62
64
67
69
70
70
70
71
73
76
78
77
75

Pressure (mb)

1022
1022
1022
1022
1022
1022
1021
1021
1020
1020
1020
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021

Ozone (du)

339
341
343
344
343
340
337
331
325
321
319
318
317
315
312
308
302
294
288
287
287
289
290
291

Tuesday 23

Waning Gibbous 74%

00:33

08:52

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
04 Bad
05 Bad
06 Bad
07 Bad

Sun - Rise: 05:50, Set: 19:48, Transit: 12:50. Moon - Rise: 00:33, Set: 08:52. Civil Dark: 20:20 - 05:19. Nautical Dark: 20:59 - 04:40. Astro Dark: 21:41 - 03:57

Total Clouds (% Sky Obscured)

87
87
87
87
87
87
98
98
98
98
98
98
89
89
89
89
89
89
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

19
19
19
19
19
19
98
98
98
98
98
98
70
70
70
70
70
70
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

86
86
86
86
86
86
42
42
42
42
42
42
0
0
0
0
0
0
100
100
100
100
100
100

High Clouds (% Sky Obscured)

0
0
0
0
0
0
14
14
14
14
14
14
65
65
65
65
65
65
82
82
82
82
82
82

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

0
2
4
5
6
7
6
0
0
0
0
0
0
0
0
0
8
19
30
47
48
51
43
29

Precipitation Amount (mm)

0
0.01
0.03
0.05
0.07
0.08
0.08
0
0
0
0
0
0
0
0
0
0.02
0.1
0.22
0.3
0.36
0.38
0.32
0.22

Wind Speed/Direction (mph)

6
6
5
4
5
6
7
7
8
8
8
7
7
7
9
10
11
11
12
12
12
13
13
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

4
6
8
11
12
13
14
16
16
15
14
13
13
12
12
12
12
12
11
11
11
10
6
5

Dew Point (°C)

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

Relative Humidity (%)

72
68
63
60
57
54
52
56
57
58
60
61
63
64
64
64
66
68
70
73
76
78
79
79

Pressure (mb)

1021
1021
1021
1020
1019
1018
1017
1017
1016
1016
1015
1015
1015
1014
1014
1013
1012
1011
1010
1009
1008
1007
1007
1007

Ozone (du)

293
294
296
296
296
296
296
297
299
300
299
299
299
304
309
313
311
308
306
308
311
314
317
320

Wednesday 24

Waning Gibbous 65%

01:26

09:39

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
04 Bad
05 Bad
06 Bad
07 Bad

Sun - Rise: 05:49, Set: 19:49, Transit: 12:50. Moon - Rise: 01:26, Set: 09:39. Civil Dark: 20:21 - 05:17. Nautical Dark: 21:00 - 04:38. Astro Dark: 21:43 - 03:54

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
99
99
99
99
99
99
99
99
99
99
99
99

Low Clouds (% Sky Obscured)

25
25
25
25
25
25
100
100
100
100
100
100
99
99
99
99
99
99
99
99
99
99
99
99

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
8
8
8
8
8
8
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

53
53
53
53
53
53
87
87
87
87
87
87
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

8
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10

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

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

Precipitation Probability (%)

22
15
18
15
10
8
8
11
20
27
29
29
28
26
22
17
20
26
30
23
13
7
5
4

Precipitation Amount (mm)

0.15
0.09
0.05
0.02
0.02
0.02
0.02
0.1
0.4
0.74
0.79
0.69
0.56
0.4
0.24
0.2
0.33
0.65
0.85
0.62
0.29
0.13
0.07
0.04

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

7
8
8
9
10
12
13
14
13
13
12
12
11
10
10
9
9
8
8
8
8
8
8
8

Feels Like (°C)

4
4
5
6
10
12
13
14
13
13
12
12
11
10
7
7
6
6
5
5
5
5
5
5

Dew Point (°C)

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

Relative Humidity (%)

79
78
76
74
70
63
59
59
63
67
71
72
74
76
76
76
78
80
81
82
82
81
80
80

Pressure (mb)

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

Ozone (du)

323
326
329
331
333
334
335
336
336
337
338
339
341
342
343
344
346
347
348
350
352
353
351
348

Thursday 25

Waning Gibbous 55%

02:11

10:31

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
04 Bad
05 Bad
06 Bad
07 Bad

Sun - Rise: 05:47, Set: 19:51, Transit: 12:50. Moon - Rise: 02:11, Set: 10:31. Civil Dark: 20:23 - 05:15. Nautical Dark: 21:02 - 04:36. Astro Dark: 21:45 - 03:52

Total Clouds (% Sky Obscured)

94
94
94
94
94
94
100
100
100
100
100
100
52
52
52
52
52
52
70
70
70
70
70
70

Low Clouds (% Sky Obscured)

94
94
94
94
94
94
100
100
100
100
100
100
10
10
10
10
10
10
45
45
45
45
45
45

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
72
72
72
72
72
72
48
48
48
48
48
48
64
64
64
64
64
64

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)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10

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

Precipitation Probability (%)

4
5
6
7
8
9
11
11
13
13
14
15
17
16
13
11
11
10
9
9
10
11
8
4

Precipitation Amount (mm)

0.04
0.07
0.14
0.25
0.35
0.46
0.58
0.72
0.86
0.92
0.8
0.61
0.48
0.43
0.43
0.42
0.37
0.33
0.31
0.34
0.39
0.38
0.26
0.13

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

8
9
9
10
10
11
12
13
14
15
14
14
12
11
11
10
10
11
11
10
10
10
10
11

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
79
78
78
77
73
70
66
62
60
62
65
71
74
77
79
79
80
81
82
84
85
84
83

Pressure (mb)

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

Ozone (du)

346
343
341
340
339
338
337
337
336
336
336
335
336
337
338
339
341
343
345
346
346
346
346
346

Friday 26

Third Quarter 45%

02:49

11:27

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
04 Bad
05 Bad
06 Bad
07 Bad

Sun - Rise: 05:46, Set: 19:52, Transit: 12:50. Moon - Rise: 02:49, Set: 11:27. Civil Dark: 20:24 - 05:14. Nautical Dark: 21:03 - 04:34. Astro Dark: 21:47 - 03:50

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
46
46
46
46
46
46

Low Clouds (% Sky Obscured)

17
17
17
17
17
17
9
9
9
9
9
9
99
99
99
99
99
99
31
31
31
31
31
31

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
97
97
97
97
97
97
36
36
36
36
36
36

High Clouds (% Sky Obscured)

99
99
99
99
99
99
100
100
100
100
100
100
100
100
100
100
100
100
0
0
0
0
0
0

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
8
5
3
2
2
1
1
1
1
1

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

Precipitation Probability (%)

2
2
1
0
0
1
2
3
5
11
18
32
55
68
75
77
79
80
82
83
83
83
83
81

Precipitation Amount (mm)

0.06
0.02
0.01
0
0
0.01
0.03
0.08
0.15
0.25
0.4
0.59
0.71
0.69
0.64
0.66
0.71
0.78
0.84
0.84
0.8
0.78
0.8
0.83

Wind Speed/Direction (mph)

5
5
2
6
5
3
3
3
2
1
2
4
5
5
5
6
6
7
8
9
10
11
11
12

Chance of Frost

Temperature (°C)

11
12
13
14
15
17
18
18
18
18
16
15
14
13
13
12
12
11
11
10
10
9
9
8

Feels Like (°C)

11
12
13
14
15
17
18
18
18
18
16
15
14
13
13
12
12
11
11
10
7
7
6
5

Dew Point (°C)

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

Relative Humidity (%)

81
76
71
66
62
57
54
51
50
53
59
66
73
79
85
88
90
92
92
93
92
91
91
90

Pressure (mb)

1008
1008
1007
1007
1006
1006
1005
1004
1004
1004
1004
1004
1004
1004
1004
1004
1003
1003
1003
1002
1002
1002
1002
1003

Ozone (du)

346
346
346
346
346
346
346
347
347
348
349
350
352
353
355
357
359
361
364
366
368
370
371
371

Forecast for Saint-Alexandre, QC J0J, Canada (45.22,-73.09)

Generated: 20/04/19 08:27:47. Forecast: 20/04/19 to 26/04/19. Timezone: UTC-4.00