Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 27

Waxing Gibbous 88%

16:05

04:20

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

Sun - Rise: 06:04, Set: 19:33, Transit: 12:49. Moon - Rise: 16:05, Set: 04:20. Civil Dark: 20:00 - 05:37. Nautical Dark: 20:32 - 05:05. Astro Dark: 21:05 - 04:32

Total Clouds (% Sky Obscured)

76
64
57
59
63
55
44
44
58
39
34
47
48
49
42
43
55
63
59
62
64
94
56
91

Low Clouds (% Sky Obscured)

74
64
57
52
54
55
44
38
43
36
32
43
44
49
42
43
55
39
38
32
46
50
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
2
8

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
3
11
14
67
56
74

ISS Passover

Visibility (miles)

8
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
2
9
9
9
9
9

Fog (%)

1
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 (%)

2
1
1
0
0
0
0
0
0
0
0
0
0
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

1
4
5
6
7
8
9
8
9
10
9
8
8
8
8
8
7
6
5
5
5
5
5
6

Dew Point (°C)

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

Relative Humidity (%)

67
66
60
53
46
43
40
40
40
41
41
45
55
70
77
82
87
88
87
85
85
87
87
85

Pressure (mb)

1016
1016
1016
1016
1016
1015
1015
1015
1014
1014
1014
1015
1015
1016
1017
1018
1018
1019
1019
1019
1019
1018
1018
1018

Ozone (du)

360
365
368
372
379
379
380
381
385
385
386
389
386
380
375
375
373
372
370
365
362
359
357
358

Tuesday 28

Waxing Gibbous 94%

17:04

04:45

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

Sun - Rise: 06:03, Set: 19:34, Transit: 12:49. Moon - Rise: 17:04, Set: 04:45. Civil Dark: 20:01 - 05:36. Nautical Dark: 20:33 - 05:04. Astro Dark: 21:06 - 04:31

Total Clouds (% Sky Obscured)

34
41
42
56
67
64
19
30
64
48
6
18
10
43
29
42
46
50
55
55
50
55
57
54

Low Clouds (% Sky Obscured)

0
0
0
7
2
0
0
0
3
2
0
0
0
0
0
13
24
0
0
0
0
42
43
16

Medium Clouds (% Sky Obscured)

6
17
17
18
21
6
6
6
7
10
1
5
2
10
9
17
12
15
15
15
10
15
15
15

High Clouds (% Sky Obscured)

24
11
7
13
61
56
0
1
2
0
0
0
0
2
4
5
9
45
48
50
45
45
52
52

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

70
65
59
50
43
40
37
36
37
38
42
46
52
60
63
65
63
63
68
64
55
50
48
41

Pressure (mb)

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

Ozone (du)

359
358
356
356
357
355
355
350
349
348
346
350
351
357
357
360
355
355
352
348
346
343
341
341

Wednesday 29

Waxing Gibbous 98%

18:03

05:12

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

Sun - Rise: 06:02, Set: 19:35, Transit: 12:49. Moon - Rise: 18:03, Set: 05:12. Civil Dark: 20:02 - 05:35. Nautical Dark: 20:34 - 05:03. Astro Dark: 21:07 - 04:29

Total Clouds (% Sky Obscured)

49
40
40
45
40
40
43
40
41
35
35
35
34
32
25
23
28
54
42
28
36
27
22
20

Low Clouds (% Sky Obscured)

18
21
18
22
25
33
38
40
41
35
35
35
34
32
25
23
28
46
42
28
36
27
22
20

Medium Clouds (% Sky Obscured)

20
16
10
10
10
10
5
5
5
5
5
5
9
5
4
3
7
46
36
5
0
1
0
0

High Clouds (% Sky Obscured)

48
40
40
45
40
40
43
40
41
35
35
35
20
5
0
0
0
0
0
0
0
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 (%)

1
1
0
0
0
0
0
1
18
20
14
6
1
0
0
0
0
0
0
2
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
2
3
2
2
2
2
3
4
4
4
4
3
3
2
2
4
4
5
6
7
7
8
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

38
36
38
35
34
33
32
31
29
30
33
38
48
62
66
68
70
78
87
87
81
74
78
87

Pressure (mb)

1018
1018
1018
1017
1017
1017
1016
1015
1015
1014
1015
1015
1015
1016
1016
1016
1016
1016
1016
1015
1015
1014
1014
1014

Ozone (du)

341
339
339
339
339
339
341
341
344
346
347
348
350
353
364
372
383
391
390
383
374
367
360
353

Thursday 30

Waxing Gibbous 100%

19:03

05:40

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

Sun - Rise: 06:01, Set: 19:36, Transit: 12:49. Moon - Rise: 19:03, Set: 05:40. Civil Dark: 20:02 - 05:34. Nautical Dark: 20:35 - 05:02. Astro Dark: 21:08 - 04:28

Total Clouds (% Sky Obscured)

14
20
26
31
33
39
50
52
55
61
50
39
29
20
10
0
0
0
0
0
0
0
0
0

Low Clouds (% Sky Obscured)

14
20
26
31
33
39
50
52
55
61
50
39
29
20
10
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
3
0
0
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
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)

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

Chance of Frost

Temperature (°C)

11
13
14
14
15
16
17
18
17
17
17
16
15
13
13
12
12
12
11
11
12
12
12
13

Feels Like (°C)

12
13
13
13
14
15
16
17
16
15
16
16
15
14
15
14
13
13
13
13
13
14
14
14

Dew Point (°C)

7
6
4
3
4
4
4
3
3
4
6
7
8
9
9
8
7
7
8
7
8
7
8
8

Relative Humidity (%)

76
62
51
46
46
45
40
37
37
41
48
53
62
76
79
76
72
72
77
76
75
72
72
72

Pressure (mb)

1014
1013
1013
1013
1013
1013
1013
1012
1012
1011
1011
1012
1012
1013
1013
1013
1014
1014
1014
1014
1014
1014
1014
1014

Ozone (du)

351
351
349
343
339
340
338
334
329
324
323
323
323
320
319
317
317
316
315
314
315
316
316
316

Friday 1

Full Moon 100%

20:02

06:13

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

Sun - Rise: 06:00, Set: 19:37, Transit: 12:49. Moon - Rise: 20:02, Set: 06:13. Civil Dark: 20:03 - 05:33. Nautical Dark: 20:36 - 05:01. Astro Dark: 21:10 - 04:27

Total Clouds (% Sky Obscured)

0
9
18
26
23
20
17
20
21
21
23
13
9
8
9
4
12
23
32
26
20
17
19
23

Low Clouds (% Sky Obscured)

0
9
18
26
23
20
17
15
7
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
9
16
21
15
7
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
2
3
2
6
7
7
11
6
6
6
8
3
12
23
32
26
20
17
19
21

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

Chance of Frost

Temperature (°C)

14
16
17
17
18
19
20
21
20
19
19
19
18
16
15
14
13
14
13
13
13
12
12
13

Feels Like (°C)

15
16
17
17
17
18
19
19
19
18
18
19
18
17
16
14
13
15
14
14
13
13
13
12

Dew Point (°C)

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

Relative Humidity (%)

68
59
54
47
42
39
38
39
40
41
45
51
58
69
73
75
76
74
72
70
67
64
62
62

Pressure (mb)

1014
1014
1014
1014
1014
1014
1014
1013
1013
1013
1013
1013
1013
1014
1014
1015
1015
1015
1015
1015
1015
1014
1014
1015

Ozone (du)

317
317
317
316
316
317
318
318
317
316
316
317
317
319
320
321
322
322
322
322
323
324
326
325

Saturday 2

Waning Gibbous 97%

21:02

06:51

07 OK
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 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 OK
06 OK

Sun - Rise: 05:59, Set: 19:37, Transit: 12:49. Moon - Rise: 21:02, Set: 06:51. Civil Dark: 20:04 - 05:32. Nautical Dark: 20:37 - 05:00. Astro Dark: 21:11 - 04:25

Total Clouds (% Sky Obscured)

27
51
76
100
100
100
100
99
97
96
76
61
44
54
59
60
60
54
49
54
52
49
38
26

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
0

Medium Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

22
40
70
100
100
100
100
98
96
94
76
61
44
49
27
25
24
27
45
51
52
49
38
26

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
4
4
6
7
7
7
8
7
7
7
7
6
6
6
7
7
7
7
7
7
7
7
6

Chance of Frost

Temperature (°C)

15
16
17
17
18
21
21
22
21
21
21
19
19
17
16
15
15
13
12
12
12
11
11
11

Feels Like (°C)

13
13
12
12
12
19
19
17
18
19
20
18
18
18
18
16
16
11
11
11
11
11
11
9

Dew Point (°C)

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

Relative Humidity (%)

60
60
53
46
40
38
36
33
33
33
33
41
52
63
68
72
76
76
76
76
72
68
66
63

Pressure (mb)

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

Ozone (du)

325
325
324
324
324
325
325
326
326
326
326
327
328
329
330
332
333
333
334
334
336
338
340
341

Sunday 3

Waning Gibbous 93%

22:01

No Set

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

Sun - Rise: 05:58, Set: 19:38, Transit: 12:49. Moon - Rise: 22:01, Set: No Set. Civil Dark: 20:05 - 05:31. Nautical Dark: 20:38 - 04:58. Astro Dark: 21:12 - 04:24

Total Clouds (% Sky Obscured)

12
11
5
0
6
6
7
7
7
8
7
5
4
26
37
52
69
84
97
92
88
87

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
7
7
8
7
5
4
17
14
18
42
69
96
92
88
87

Medium Clouds (% Sky Obscured)

0
0
0
0
6
6
4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

12
11
5
0
6
6
7
7
7
8
7
5
4
7
4
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
7
6
5
3
1
4
7

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
2
2
1
5
7
6
9
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

12
12
14
14
15
17
17
17
16
15
15
13
12
11
11
10
10
8
7
7
7
7

Feels Like (°C)

9
9
10
10
9
16
15
14
14
14
14
12
12
13
13
13
13
6
6
5
6
5

Dew Point (°C)

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

Relative Humidity (%)

60
57
50
45
39
37
35
33
36
39
43
51
60
71
77
84
90
90
90
88
87
85

Pressure (mb)

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

Ozone (du)

342
343
342
341
339
339
339
339
340
341
341
343
344
345
345
344
343
342
340
339
338
337

Forecast for Mount Wilson, Los Angeles, United States of America (34.22,-118.06)

Generated: 27/04/26 07:10:44. Forecast: 27/04/26 to 03/05/26. Timezone: UTC-7.00