Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 23

Waning Crescent 14%

04:45

15:07

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

Sun - Rise: 06:00, Set: 20:18, Transit: 13:10. Moon - Rise: 04:45, Set: 15:07. Civil Dark: 20:53 - 05:25. Nautical Dark: 21:37 - 04:41. Astro Dark: 22:27 - 03:51

Total Clouds (% Sky Obscured)

2
15
44
53
10
11
12
11
4
3
4
5
7
7
7
8
8
3
4
4
3
3
3
6

Low 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
1

Medium Clouds (% Sky Obscured)

0
0
0
0
2
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

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

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

Chance of Frost

Temperature (°C)

14
14
14
14
17
17
17
16
15
13
11
11
10
9
8
8
8
7
7
7
8
10
13
15

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

50
46
43
41
39
37
37
41
50
57
58
62
66
68
70
73
74
74
72
73
69
60
55
49

Pressure (mb)

1020
1020
1020
1019
1019
1018
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017

Ozone (du)

387
388
388
388
386
386
386
387
388
389
389
390
391
391
391
391
390
390
390
390
391
392
393
392

Thursday 24

Waning Crescent 13%

05:00

16:31

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

Sun - Rise: 05:58, Set: 20:20, Transit: 13:10. Moon - Rise: 05:00, Set: 16:31. Civil Dark: 20:55 - 05:23. Nautical Dark: 21:39 - 04:39. Astro Dark: 22:29 - 03:48

Total Clouds (% Sky Obscured)

2
2
1
0
0
0
0
0
2
2
9
39
5
3
19
40
32
45
55
49
51
50
51
34

Low Clouds (% Sky Obscured)

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

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
19
3
0
0
0
0
0
0
0
0
3
2
2

High Clouds (% Sky Obscured)

2
2
1
0
0
0
0
0
2
2
9
28
2
3
19
40
32
45
55
49
51
44
51
29

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
3
3
3
4
3
3
3
3
4
4
4
3
3
3
3
3
3
3
3
2
2
3

Chance of Frost

Temperature (°C)

17
18
19
20
21
21
21
21
19
17
15
14
13
12
11
11
10
10
10
9
10
12
15
17

Feels Like (°C)

16
18
18
20
20
20
21
21
20
17
15
12
11
12
11
9
9
8
7
8
8
11
14
15

Dew Point (°C)

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

Relative Humidity (%)

44
41
39
37
36
34
33
31
43
49
50
51
52
53
52
55
57
60
59
59
59
52
46
44

Pressure (mb)

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

Ozone (du)

392
392
391
391
391
391
391
392
391
390
391
392
392
392
393
392
392
392
392
391
390
389
390
391

Friday 25

Waning Crescent 6%

05:16

17:57

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

Sun - Rise: 05:56, Set: 20:21, Transit: 13:10. Moon - Rise: 05:16, Set: 17:57. Civil Dark: 20:56 - 05:21. Nautical Dark: 21:41 - 04:37. Astro Dark: 22:32 - 03:45

Total Clouds (% Sky Obscured)

11
12
19
31
69
21
12
13
7
7
9
15
7
14
2
26
52
34
33
32
31
51
65
69

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
6
12
17

Medium Clouds (% Sky Obscured)

0
0
9
24
49
6
4
0
0
0
0
0
0
7
0
21
45
30
23
16
10
17
24
30

High Clouds (% Sky Obscured)

10
12
8
16
32
18
12
13
7
7
9
11
7
11
2
5
0
0
7
13
20
32
41
35

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)

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

Chance of Frost

Temperature (°C)

19
20
21
22
22
22
22
21
20
17
15
13
12
11
11
10
9
9
9
9
9
11
12
14

Feels Like (°C)

17
19
20
21
20
20
20
20
20
17
15
14
13
12
12
11
10
10
9
9
10
11
11
12

Dew Point (°C)

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

Relative Humidity (%)

40
37
35
33
31
30
30
32
44
53
60
65
67
71
76
81
84
85
88
88
82
76
70
63

Pressure (mb)

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

Ozone (du)

391
391
391
391
390
390
391
390
390
390
391
393
393
393
394
393
392
392
391
391
390
389
389
387

Saturday 26

Waning Crescent 2%

05:35

19:27

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

Sun - Rise: 05:55, Set: 20:23, Transit: 13:10. Moon - Rise: 05:35, Set: 19:27. Civil Dark: 20:58 - 05:19. Nautical Dark: 21:43 - 04:34. Astro Dark: 22:34 - 03:42

Total Clouds (% Sky Obscured)

76
83
82
76
97
86
73
68
65
49
34
25
47
77
98
97
95
94
94
95
96
96
95
94

Low Clouds (% Sky Obscured)

19
19
21
14
8
0
11
22
26
17
8
0
3
8
12
21
33
51
70
82
93
89
85
81

Medium Clouds (% Sky Obscured)

30
41
40
40
83
85
66
59
53
44
31
19
37
56
74
72
81
83
87
85
67
64
64
58

High Clouds (% Sky Obscured)

54
67
43
63
94
70
47
23
0
0
0
4
21
45
68
55
39
20
25
22
2
0
0
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 (%)

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 (%)

3
5
4
9
8
5
6
3
0
1
1
0
1
1
0
5
6
2
9
11
10
12
10
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

7
7
7
7
7
6
7
6
7
7
7
7
6
5
5
5
5
5
5
5
5
5
6
7

Relative Humidity (%)

58
56
54
51
49
49
51
52
56
65
71
75
76
78
78
79
82
82
81
79
78
78
80
81

Pressure (mb)

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

Ozone (du)

386
386
388
388
389
389
388
388
386
383
382
378
377
377
374
373
373
374
375
376
376
375
377
378

Sunday 27

New Moon 0%

05:59

21:00

11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 OK
21 OK
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

Sun - Rise: 05:53, Set: 20:24, Transit: 13:09. Moon - Rise: 05:59, Set: 21:00. Civil Dark: 21:00 - 05:17. Nautical Dark: 21:45 - 04:32. Astro Dark: 22:37 - 03:39

Total Clouds (% Sky Obscured)

94
94
94
89
89
84
71
58
50
45
39
40
68
76
80
84
90
95
97
99
100
100
100
100

Low Clouds (% Sky Obscured)

78
78
76
53
50
35
30
28
29
29
30
30
44
53
59
63
71
78
82
84
88
91
95
100

Medium Clouds (% Sky Obscured)

58
58
54
58
59
59
53
43
32
20
11
0
2
3
4
24
45
66
76
86
96
93
89
85

High Clouds (% Sky Obscured)

0
0
2
12
20
12
0
3
3
45
39
40
66
73
80
84
90
92
97
99
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
None
None
None
None

Precipitation Probability (%)

16
18
8
16
10
3
4
3
0
1
0
0
3
2
0
5
5
3
15
23
31
39
42
44

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

Chance of Frost

Temperature (°C)

10
11
12
13
13
13
13
13
13
12
11
11
10
10
9
9
9
9
9
9
9
9
9
9

Feels Like (°C)

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

Dew Point (°C)

7
6
6
6
6
6
6
5
5
6
6
5
5
5
5
5
5
6
6
6
6
7
7
7

Relative Humidity (%)

77
72
68
64
61
62
60
58
58
67
70
69
71
72
74
76
76
77
78
81
84
87
88
90

Pressure (mb)

1017
1018
1018
1018
1018
1018
1018
1018
1019
1019
1020
1020
1021
1021
1021
1022
1022
1023
1023
1024
1024
1025
1025
1025

Ozone (du)

378
378
376
373
372
370
366
362
358
355
353
351
350
349
348
347
345
343
341
340
339
338
338
338

Monday 28

Waxing Crescent 2%

06:32

22:33

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
08 Bad
09 Bad
10 Bad

Sun - Rise: 05:51, Set: 20:26, Transit: 13:09. Moon - Rise: 06:32, Set: 22:33. Civil Dark: 21:01 - 05:15. Nautical Dark: 21:47 - 04:30. Astro Dark: 22:39 - 03:36

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
100
100

Low Clouds (% Sky Obscured)

100
100
100
97
94
94
94
92
90
92
93
95
96
98
100
100
99
99
99
98
98
99
99
100

Medium Clouds (% Sky Obscured)

79
73
68
59
50
41
44
43
46
62
77
94
96
98
100
100
100
100
100
100
99
99
98
98

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
97
95
90
90
90
85
93
97
100
88
76
65
61
57
53

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
8
7
6
4
3
2
2
1
1
1
1
1
2
2
2
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
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 (%)

41
34
23
22
21
21
28
36
46
59
73
89
95
95
95
95
95
95
95
95
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.2
0.4
0.7
0.8
1
1.3
1.3
1.2
1.4
1.4
1.2
1.2
1.2
1.1
1.1

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

9
9
9
9
9
10
10
9
9
9
9
9
9
9
9
9
9
8
9
9
9
9
9
9

Feels Like (°C)

7
6
7
7
7
7
8
8
8
8
7
8
8
7
7
8
7
7
7
7
7
7
7
7

Dew Point (°C)

8
7
8
8
8
8
8
8
8
8
8
8
8
8
8
9
8
8
8
8
9
9
9
9

Relative Humidity (%)

91
90
90
90
88
90
90
90
93
95
95
96
96
96
96
98
98
98
98
96
98
96
98
96

Pressure (mb)

1025
1025
1026
1026
1025
1025
1025
1025
1025
1024
1024
1024
1024
1024
1023
1023
1023
1022
1022
1022
1022
1022
1022
1022

Ozone (du)

338
339
340
341
341
341
341
339
337
335
336
337
338
341
343
346
348
351
353
354
354
355
355
354

Tuesday 29

Waxing Crescent 7%

07:18

00:00

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

Sun - Rise: 05:49, Set: 20:27, Transit: 13:09. Moon - Rise: 07:18, Set: 00:00. Civil Dark: 21:03 - 05:13. Nautical Dark: 21:49 - 04:28. Astro Dark: 22:42 - 03:33

Total Clouds (% Sky Obscured)

100
100
100
99
99
98
97
98
99
99
99
98
98
99
100
98
95
90

Low Clouds (% Sky Obscured)

99
98
97
94
92
89
86
82
77
80
82
86
88
90
91
89
87
85

Medium Clouds (% Sky Obscured)

96
95
95
96
97
97
64
35
5
5
3
2
2
1
0
0
0
0

High Clouds (% Sky Obscured)

57
65
66
78
86
95
78
64
46
39
32
26
49
73
97
76
53
28

ISS Passover

Visibility (miles)

3
2
2
2
5
7
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

Precipitation Type

Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

95
95
95
95
95
95
90
69
40
41
35
24
26
20
18
22
17
15

Precipitation Amount (mm)

1
1
1.3
1.2
1
0.9
0.7
0.4
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

4
4
4
3
4
4
4
4
4
4
3
3
3
3
3
2
2
2

Chance of Frost

Temperature (°C)

10
10
10
10
10
11
11
11
11
10
10
10
10
10
10
10
10
10

Feels Like (°C)

8
9
9
9
9
10
9
10
10
9
10
9
9
9
9
9
9
9

Dew Point (°C)

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

Relative Humidity (%)

98
96
96
98
96
96
95
95
95
95
95
93
93
95
95
95
95
96

Pressure (mb)

1022
1022
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1022
1022
1022
1022

Ozone (du)

354
353
352
351
352
353
354
353
352
350
351
351
352
350
348
346
346
345

Forecast for Yaletown, Metro Vancouver Regional District, Canada (49.28,-123.12)

Generated: 23/04/25 11:53:38. Forecast: 23/04/25 to 29/04/25. Timezone: UTC-7.00