Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 20

Waxing Gibbous 93%

17:58

04:52

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

Sun - Rise: 06:18, Set: 20:46, Transit: 13:33. Moon - Rise: 17:58, Set: 04:52. Civil Dark: 21:17 - 05:48. Nautical Dark: 21:54 - 05:10. Astro Dark: 22:36 - 04:28

Total Clouds (% Sky Obscured)

56
52
40
34
27
25
29
30
22
28
19
18
22
30
36
31
32
68
77
24
27
28
29
33

Low Clouds (% Sky Obscured)

50
41
25
23
20
21
21
25
20
25
18
16
18
28
29
26
24
26
19
19
22
25
26
26

Medium Clouds (% Sky Obscured)

45
47
45
29
6
0
0
0
0
0
0
0
0
0
0
0
0
0
2
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
3
50
65
0
0
0
0
3

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

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

55
54
51
48
49
53
58
63
67
74
79
80
82
83
84
83
83
83
82
79
71
62
53
48

Pressure (mb)

1017
1017
1017
1016
1016
1016
1016
1016
1017
1017
1018
1018
1018
1018
1018
1018
1018
1018
1018
1019
1019
1020
1020
1020

Ozone (du)

368
372
374
378
380
376
372
372
372
373
371
368
368
367
372
367
365
365
370
376
377
378
376
372

Tuesday 21

Waxing Gibbous 97%

19:01

05:19

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

Sun - Rise: 06:18, Set: 20:47, Transit: 13:33. Moon - Rise: 19:01, Set: 05:19. Civil Dark: 21:18 - 05:47. Nautical Dark: 21:55 - 05:09. Astro Dark: 22:37 - 04:27

Total Clouds (% Sky Obscured)

47
45
42
34
28
25
24
23
20
14
16
24
25
33
32
79
89
85
75
79
76
83
79
65

Low Clouds (% Sky Obscured)

30
32
22
27
22
20
19
19
16
13
14
13
18
22
20
26
32
24
28
39
62
62
23
15

Medium Clouds (% Sky Obscured)

20
36
41
0
0
0
0
0
0
0
0
12
0
0
0
4
0
20
4
12
0
53
51
60

High Clouds (% Sky Obscured)

3
0
0
0
0
0
0
0
0
0
0
2
5
9
5
60
55
55
50
59
47
3
62
44

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 (%)

2
1
0
0
0
0
0
0
1
0
0
0
1
2
3
6
8
9
6
4
15
9
4
3

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

Chance of Frost

Temperature (°C)

19
20
20
20
20
19
19
18
17
16
15
15
14
14
14
14
14
14
14
14
15
16
17
19

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

44
42
41
42
44
49
54
60
67
74
78
79
79
79
80
82
84
89
90
92
82
74
61
50

Pressure (mb)

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

Ozone (du)

372
373
372
372
371
369
363
363
369
365
365
366
366
367
367
367
368
368
368
364
365
368
371
372

Wednesday 22

Waxing Gibbous 100%

20:06

05:50

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

Sun - Rise: 06:17, Set: 20:48, Transit: 13:33. Moon - Rise: 20:06, Set: 05:50. Civil Dark: 21:19 - 05:46. Nautical Dark: 21:56 - 05:08. Astro Dark: 22:39 - 04:26

Total Clouds (% Sky Obscured)

28
25
24
38
62
61
60
51
17
59
23
26
23
36
43
42
53
52
50
50
55
60
60
55

Low Clouds (% Sky Obscured)

11
10
11
12
9
8
9
12
0
8
5
12
10
8
9
8
10
11
14
11
8
6
7
8

Medium Clouds (% Sky Obscured)

14
5
2
2
3
8
15
18
7
34
9
2
2
2
2
2
2
48
64
66
68
70
69
74

High Clouds (% Sky Obscured)

3
5
5
20
50
50
47
28
14
39
5
7
8
23
27
30
52
50
55
60
65
65
65
60

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 (%)

2
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

8
8
8
8
8
8
8
8
8
9
9
8
7
7
8
8
9
10
10
10
10
9
7
5

Relative Humidity (%)

46
45
43
44
46
50
52
54
59
68
72
72
69
70
75
76
80
83
86
84
79
64
50
41

Pressure (mb)

1022
1021
1021
1021
1021
1020
1020
1020
1020
1021
1021
1021
1021
1020
1020
1019
1019
1019
1019
1019
1019
1019
1019
1018

Ozone (du)

372
374
373
371
369
368
368
367
368
369
369
368
368
371
373
375
375
375
375
375
374
373
371
370

Thursday 23

Full Moon 100%

21:13

06:29

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

Sun - Rise: 06:16, Set: 20:49, Transit: 13:33. Moon - Rise: 21:13, Set: 06:29. Civil Dark: 21:19 - 05:46. Nautical Dark: 21:58 - 05:07. Astro Dark: 22:40 - 04:25

Total Clouds (% Sky Obscured)

55
51
48
45
58
42
2
0
0
2
7
11
12
15
20
21
21
24
26
24
59
29
23
31

Low Clouds (% Sky Obscured)

9
7
3
0
0
0
0
0
0
0
4
7
11
13
16
18
16
15
13
14
14
14
14
15

Medium Clouds (% Sky Obscured)

73
52
26
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

55
47
43
37
58
44
2
0
0
2
3
3
0
0
2
1
4
10
13
10
48
14
4
13

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)

8
8
9
10
13
15
14
15
13
11
10
9
8
7
6
5
5
5
5
4
3
3
3
4

Chance of Frost

Temperature (°C)

20
22
22
23
22
21
19
18
17
15
14
14
14
14
13
13
13
13
13
13
15
17
19
21

Feels Like (°C)

20
21
21
21
20
17
16
15
15
14
13
13
13
14
14
14
14
14
13
14
16
16
19
22

Dew Point (°C)

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

Relative Humidity (%)

34
30
28
28
35
46
48
53
59
64
68
67
69
72
75
76
75
75
77
75
65
54
44
38

Pressure (mb)

1018
1017
1017
1016
1016
1016
1016
1016
1016
1016
1017
1017
1017
1017
1016
1016
1016
1016
1016
1017
1017
1017
1017
1017

Ozone (du)

370
370
372
373
372
374
374
374
370
368
367
365
365
364
363
362
361
360
359
358
358
357
355
354

Friday 24

Waning Gibbous 97%

22:19

07:17

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

Sun - Rise: 06:16, Set: 20:50, Transit: 13:33. Moon - Rise: 22:19, Set: 07:17. Civil Dark: 21:20 - 05:45. Nautical Dark: 21:59 - 05:07. Astro Dark: 22:41 - 04:24

Total Clouds (% Sky Obscured)

48
44
48
65
60
57
56
57
56
57
53
53
52
48
53
48
54
64
72
63
52
40
46
55

Low Clouds (% Sky Obscured)

14
10
4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
14
27
41
27
14
0
2
5

High Clouds (% Sky Obscured)

29
32
49
70
70
67
60
62
56
57
48
53
47
52
52
57
66
74
78
64
47
40
45
45

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
6
8
10
10
10
10
9
8
7
6
5
4
4
3
3
3
3
3
3
4
4
5

Chance of Frost

Temperature (°C)

22
24
24
23
23
22
21
19
18
17
15
15
15
14
14
13
13
13
13
12
15
17
19
20

Feels Like (°C)

23
23
23
23
22
21
19
18
17
16
15
15
15
15
14
14
14
14
14
14
12
13
14
14

Dew Point (°C)

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

Relative Humidity (%)

33
29
28
30
34
37
38
42
47
58
62
66
63
62
63
64
65
66
67
67
53
41
33
28

Pressure (mb)

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

Ozone (du)

352
352
350
347
345
345
344
341
339
339
340
340
342
344
344
344
344
342
340
338
338
337
337
337

Saturday 25

Waning Gibbous 93%

23:21

08:15

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
11 Bad

Sun - Rise: 06:15, Set: 20:50, Transit: 13:33. Moon - Rise: 23:21, Set: 08:15. Civil Dark: 21:21 - 05:44. Nautical Dark: 22:00 - 05:06. Astro Dark: 22:42 - 04:23

Total Clouds (% Sky Obscured)

64
76
86
94
94
95
97
96
96
93
95
97
100
96
93
89
93
96
100
100
100
100
83
67

Low Clouds (% Sky Obscured)

3
6
10
13
10
15
16
15
15
18
17
16
12
15
15
16
15
15
17
35
49
64
49
37

Medium Clouds (% Sky Obscured)

7
14
21
28
19
9
0
0
0
0
2
4
6
9
14
17
20
23
25
16
8
1
1
0

High Clouds (% Sky Obscured)

46
48
56
58
60
58
75
85
85
85
90
97
100
94
87
81
86
93
100
97
94
90
71
50

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
8
8
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
2
2
0
0
0
0
1
1
0
2
2
0
1
1
1
2
2
1
6
8
4
8
8

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)

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

Chance of Frost

Temperature (°C)

22
23
23
23
22
21
20
20
19
18
18
17
17
16
16
16
15
15
15
15
16
17
19
20

Feels Like (°C)

14
15
22
21
21
21
21
21
15
15
15
15
14
14
13
13
14
14
14
13
14
15
15
16

Dew Point (°C)

1
0
1
2
3
4
5
7
7
7
7
8
9
9
10
11
12
13
13
14
14
14
14
13

Relative Humidity (%)

24
21
23
25
28
32
37
42
45
48
50
55
58
62
68
74
80
83
87
90
83
79
73
65

Pressure (mb)

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

Ozone (du)

337
337
336
335
334
334
334
334
334
333
332
332
332
331
332
332
332
333
334
334
335
337
338
337

Sunday 26

Waning Gibbous 86%

00:15

09:22

12 Bad
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 OK
02 OK
03 OK
04 OK
05 OK
06 OK

Sun - Rise: 06:15, Set: 20:51, Transit: 13:33. Moon - Rise: 00:15, Set: 09:22. Civil Dark: 21:22 - 05:44. Nautical Dark: 22:01 - 05:05. Astro Dark: 22:44 - 04:22

Total Clouds (% Sky Obscured)

50
40
31
21
32
39
43
28
22
21
28
32
37
37
38
38
32
31
29

Low Clouds (% Sky Obscured)

23
16
9
2
3
2
2
7
11
16
16
19
25
27
29
34
32
31
29

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

30
27
24
22
37
45
48
27
14
5
7
10
13
7
5
3
4
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

Fog (%)

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

Precipitation Probability (%)

7
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
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

21
22
22
22
22
20
19
18
17
16
15
15
14
14
14
14
14
14
14

Feels Like (°C)

16
16
21
21
19
19
19
19
14
14
14
13
12
12
11
12
12
12
12

Dew Point (°C)

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

Relative Humidity (%)

57
49
47
46
44
47
50
54
62
69
78
79
80
80
82
83
84
83
82

Pressure (mb)

1020
1020
1020
1019
1019
1019
1019
1019
1019
1020
1020
1020
1020
1020
1019
1019
1019
1019
1019

Ozone (du)

337
337
339
341
344
346
349
351
352
354
355
355
355
356
357
358
359
360
360

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

Generated: 20/05/24 12:47:36. Forecast: 20/05/24 to 26/05/24. Timezone: UTC+1.00