Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 27

Waning Gibbous 83%

00:28

No Set

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

Sun - Rise: 06:41, Set: 20:25, Transit: 13:34. Moon - Rise: 00:28, Set: No Set. Civil Dark: 20:53 - 06:12. Nautical Dark: 21:28 - 05:38. Astro Dark: 22:05 - 05:01

Total Clouds (% Sky Obscured)

39
37
54
74
77
67
41
25
28
30
26
22
26
28
23
20
27
26
18
25
16
21
25
32

Low Clouds (% Sky Obscured)

25
43
81
81
74
56
40
21
23
24
22
20
24
27
21
17
25
22
15
20
13
16
18
25

Medium Clouds (% Sky Obscured)

4
31
0
0
29
32
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
4
1

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
7
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
3
4
12
15
35
41
31
10
9
10
26
13
17
6
8
7
12
27
33
32
38
34
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)

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

Chance of Frost

Temperature (°C)

13
14
14
15
15
16
16
15
15
15
14
13
12
11
11
11
11
11
10
10
10
10
10
10

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

57
58
55
57
54
50
55
57
54
53
53
60
71
70
68
65
65
65
65
71
77
80
82
80

Pressure (mb)

1003
1005
1005
1006
1007
1007
1007
1008
1008
1008
1009
1009
1010
1011
1011
1011
1012
1012
1012
1012
1012
1012
1013
1013

Ozone (du)

426
427
428
427
432
436
437
433
431
431
428
428
430
432
432
434
437
437
436
434
433
432
433
434

Sunday 28

Waning Gibbous 74%

01:27

09:22

09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 OK
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 OK
05 OK
06 OK
07 OK
08 Good

Sun - Rise: 06:40, Set: 20:26, Transit: 13:33. Moon - Rise: 01:27, Set: 09:22. Civil Dark: 20:55 - 06:11. Nautical Dark: 21:29 - 05:36. Astro Dark: 22:06 - 04:59

Total Clouds (% Sky Obscured)

33
40
30
40
40
38
22
22
18
21
22
20
13
8
2
13
11
9
8
15
24
21
20
14

Low Clouds (% Sky Obscured)

29
26
27
24
21
24
18
18
15
18
19
17
12
7
2
12
9
7
6
11
18
15
14
10

Medium Clouds (% Sky Obscured)

3
27
0
27
28
21
0
0
0
0
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 (%)

41
44
39
34
28
21
8
7
5
3
2
4
5
9
8
1
0
1
2
4
2
3
3
2

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)

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

Chance of Frost

Temperature (°C)

12
13
14
15
15
16
16
16
15
15
14
13
12
11
11
11
11
10
10
10
10
10
10
11

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

67
58
51
46
43
43
43
43
46
49
54
59
62
66
67
68
62
62
65
66
67
68
68
64

Pressure (mb)

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

Ozone (du)

434
433
435
436
439
439
439
439
440
440
439
440
441
441
440
437
431
429
429
425
422
417
413
411

Monday 29

Waning Gibbous 64%

02:17

10:22

09 OK
10 OK
11 OK
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

Sun - Rise: 06:38, Set: 20:27, Transit: 13:33. Moon - Rise: 02:17, Set: 10:22. Civil Dark: 20:56 - 06:10. Nautical Dark: 21:30 - 05:35. Astro Dark: 22:07 - 04:58

Total Clouds (% Sky Obscured)

20
19
21
77
87
61
100
92
94
84
71
80
96
92
85
67
67
91
100
99
100
81
90
79

Low Clouds (% Sky Obscured)

14
13
13
22
25
11
10
6
19
13
4
15
13
16
23
22
29
31
67
86
91
58
74
56

Medium Clouds (% Sky Obscured)

0
0
0
0
2
7
81
77
82
64
59
66
85
58
77
62
64
88
98
97
69
68
72
59

High Clouds (% Sky Obscured)

0
3
4
58
61
47
100
72
60
44
0
0
47
42
24
38
55
48
29
2
4
2
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
8
5
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
None
None
None
None
None
None
None
None
None
Light Rain
Very Light Rain
None
Very Light Rain

Precipitation Probability (%)

1
0
0
0
0
1
0
1
0
1
1
2
3
9
13
30
45
46
49
60
75
63
53
67

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.2
0
0.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

58
51
47
45
46
46
47
50
54
56
62
66
70
72
76
79
83
83
84
84
86
89
93
89

Pressure (mb)

1019
1019
1020
1019
1019
1019
1019
1019
1019
1019
1019
1020
1020
1021
1021
1020
1020
1019
1019
1019
1018
1018
1018
1018

Ozone (du)

411
409
407
406
405
405
403
404
405
408
407
404
401
399
397
394
394
392
391
391
389
388
386
386

Tuesday 30

Waning Gibbous 52%

03:00

11:31

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 OK
02 Bad
03 OK
04 OK
05 OK
06 OK
07 OK
08 Bad

Sun - Rise: 06:37, Set: 20:28, Transit: 13:33. Moon - Rise: 03:00, Set: 11:31. Civil Dark: 20:57 - 06:08. Nautical Dark: 21:31 - 05:34. Astro Dark: 22:09 - 04:56

Total Clouds (% Sky Obscured)

89
64
55
51
53
86
80
94
78
99
99
98
96
95
93
90
38
34
32
30
29
29
35
40

Low Clouds (% Sky Obscured)

33
36
35
34
37
70
52
62
60
64
78
88
72
84
85
61
30
29
29
28
26
26
28
28

Medium Clouds (% Sky Obscured)

75
50
46
39
47
67
60
67
76
93
92
86
79
68
57
49
23
11
0
0
0
0
14
29

High Clouds (% Sky Obscured)

3
2
2
0
0
3
16
41
3
47
54
55
55
55
2
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

5
9
9
9
9
9
9
8
4
5
5
9
9
6
5
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
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

61
53
48
46
53
59
63
84
92
95
89
77
76
81
61
26
15
22
22
13
12
15
8
19

Precipitation Amount (mm)

0
0
0
0
0
0.2
0.2
0.6
0.7
0.6
0.5
0.3
0.4
0.5
0.2
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

13
13
15
16
16
16
14
14
13
14
13
13
13
13
11
10
10
11
10
10
9
9
9
10

Dew Point (°C)

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

Relative Humidity (%)

86
76
68
60
59
58
63
67
78
83
86
90
89
90
92
87
81
81
77
76
76
71
68
61

Pressure (mb)

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

Ozone (du)

384
382
383
382
382
382
381
381
381
382
380
378
379
384
386
386
388
393
401
406
411
418
425
430

Wednesday 1

Third Quarter 41%

03:35

12:43

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
08 Bad

Sun - Rise: 06:36, Set: 20:29, Transit: 13:33. Moon - Rise: 03:35, Set: 12:43. Civil Dark: 20:58 - 06:07. Nautical Dark: 21:33 - 05:32. Astro Dark: 22:10 - 04:54

Total Clouds (% Sky Obscured)

50
60
74
59
83
80
69
58
49
42
38
34
32
30
27
52
44
35
25
28
33
39
44
51

Low Clouds (% Sky Obscured)

32
39
59
34
65
55
27
28
30
29
26
23
22
24
18
15
18
17
17
17
16
17
23
28

Medium Clouds (% Sky Obscured)

44
48
49
50
62
69
80
53
25
0
0
0
0
2
1
25
17
9
2
1
1
0
9
19

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
7
8
9
9
9
9
9
9
9
9
9
7
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 (%)

20
24
21
35
40
33
19
28
24
19
29
31
32
35
42
39
47
45
44
38
31
15
29
34

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)

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

Chance of Frost

Temperature (°C)

13
14
15
15
15
15
15
15
15
14
14
13
12
11
11
11
11
10
10
10
10
10
10
11

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

54
48
48
48
52
52
48
48
50
51
54
60
64
65
68
73
78
81
83
84
81
80
80
76

Pressure (mb)

1017
1017
1017
1017
1018
1017
1017
1017
1017
1017
1017
1017
1018
1018
1018
1019
1019
1018
1018
1018
1018
1019
1019
1019

Ozone (du)

432
433
430
427
425
426
429
431
431
431
428
427
426
426
423
417
416
411
406
400
395
390
385
384

Thursday 2

Waning Crescent 39%

04:05

13:57

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
08 Bad

Sun - Rise: 06:35, Set: 20:30, Transit: 13:33. Moon - Rise: 04:05, Set: 13:57. Civil Dark: 20:59 - 06:06. Nautical Dark: 21:34 - 05:31. Astro Dark: 22:11 - 04:53

Total Clouds (% Sky Obscured)

55
52
47
41
46
54
65
72
80
91
92
92
86
82
81
80
84
84
84
90
89
88
79
72

Low Clouds (% Sky Obscured)

33
27
20
14
22
30
38
37
37
37
28
20
13
10
6
2
6
9
12
14
16
21
24
23

Medium Clouds (% Sky Obscured)

28
30
32
33
24
14
4
3
1
0
9
19
28
29
30
31
28
26
17
28
40
49
43
40

High Clouds (% Sky Obscured)

0
1
1
2
11
23
34
43
49
75
85
85
85
86
92
89
80
79
77
72
62
47
30
25

ISS Passover

Visibility (miles)

8
8
8
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 (%)

36
36
34
28
31
32
32
31
27
22
19
15
4
6
6
3
9
12
13
15
15
13
14
14

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
10
10
11
11
11
12
12
12
11
11
9
8
6
6
5
4
4
3
3
3
3
3
4

Chance of Frost

Temperature (°C)

12
14
14
15
16
16
16
16
15
15
14
14
13
13
12
12
12
11
11
11
10
10
10
12

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

72
69
62
55
49
51
52
53
55
57
60
60
60
60
62
63
65
68
72
76
76
76
77
67

Pressure (mb)

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

Ozone (du)

383
382
383
383
384
385
387
388
386
385
383
383
384
384
384
385
385
384
382
381
382
382
383
383

Friday 3

Waning Crescent 29%

04:32

15:11

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

Sun - Rise: 06:34, Set: 20:31, Transit: 13:33. Moon - Rise: 04:32, Set: 15:11. Civil Dark: 21:00 - 06:05. Nautical Dark: 21:35 - 05:29. Astro Dark: 22:13 - 04:51

Total Clouds (% Sky Obscured)

64
57
52
43
43
42
42
36
29
23
23
24
23
26
29
33
41
49
58
69
71
73

Low Clouds (% Sky Obscured)

22
28
31
30
31
29
30
31
26
21
19
17
15
20
25
27
40
54
62
63
61
63

Medium Clouds (% Sky Obscured)

38
25
13
0
0
0
0
1
2
3
5
7
9
7
5
4
3
1
0
5
10
14

High Clouds (% Sky Obscured)

16
11
5
1
1
1
0
1
1
1
1
1
1
1
2
3
2
2
3
10
19
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
8
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 (%)

12
11
9
1
1
2
2
3
3
2
6
8
8
9
7
3
15
22
27
30
36
43

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

Chance of Frost

Temperature (°C)

13
15
16
17
18
18
18
18
17
17
16
16
15
14
14
14
14
14
14
14
14
14

Feels Like (°C)

10
11
12
12
13
17
17
16
16
16
16
14
14
14
14
14
13
13
13
13
13
12

Dew Point (°C)

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

Relative Humidity (%)

60
53
52
50
49
51
53
57
61
66
72
75
80
86
86
87
87
89
92
93
95
95

Pressure (mb)

1022
1022
1022
1022
1022
1022
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1020
1020
1019
1019
1019

Ozone (du)

383
383
379
375
371
369
367
365
365
364
364
365
366
368
367
366
365
364
363
362
362
363

Forecast for Intendente, Lisbon Municipality, Portuguese Republic (38.72,-9.14)

Generated: 27/04/24 09:10:40. Forecast: 27/04/24 to 03/05/24. Timezone: UTC+1.00