Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 10

Waxing Crescent 8%

07:08

00:12

12 Bad
13 Bad
14 Bad
15 OK
16 OK
17 OK
18 Good
19 Good
20 OK
21 Good
22 Good
23 Good
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: 05:19, Set: 20:35, Transit: 12:58. Moon - Rise: 07:08, Set: 00:12. Civil Dark: 21:14 - 04:40. Nautical Dark: 22:05 - 03:49. Astro Dark: 23:11 - 02:41

Total Clouds (% Sky Obscured)

88
75
92
46
25
29
13
17
21
14
6
11
35
36
45
65
76
83
92
93
75
94
100
100

Low Clouds (% Sky Obscured)

1
35
22
4
4
30
1
1
0
0
1
1
4
5
6
8
7
8
9
22
24
13
1
1

Medium Clouds (% Sky Obscured)

52
69
36
37
14
15
14
14
17
10
0
0
1
0
0
12
22
24
21
20
73
87
99
99

High Clouds (% Sky Obscured)

43
97
3
0
0
0
0
0
3
3
3
4
20
7
42
58
58
61
71
87
68
92
99
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 (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
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)

3
4
5
5
6
6
7
6
4
4
3
2
1
1
0
1
1
1
2
2
1
1
1
1

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

16
18
18
19
19
19
19
18
16
13
13
12
12
11
11
9
8
8
8
9
12
14
16
17

Dew Point (°C)

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

Relative Humidity (%)

56
52
46
43
42
42
50
59
64
64
69
72
77
77
78
77
76
78
80
74
70
68
63
58

Pressure (mb)

1023
1023
1023
1022
1022
1022
1022
1021
1022
1022
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023

Ozone (du)

383
384
383
386
384
380
374
367
364
361
359
360
361
362
363
363
358
353
352
354
357
359
359
362

Saturday 11

Waxing Crescent 15%

08:11

01:09

12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 OK
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: 05:18, Set: 20:36, Transit: 12:58. Moon - Rise: 08:11, Set: 01:09. Civil Dark: 21:15 - 04:39. Nautical Dark: 22:07 - 03:47. Astro Dark: 23:15 - 02:37

Total Clouds (% Sky Obscured)

100
100
100
88
85
81
50
63
58
47
47
37
48
45
43
56
47
40
62
100
91
94
97
97

Low Clouds (% Sky Obscured)

4
6
13
23
24
20
5
47
55
56
34
26
1
10
35
39
53
60
55
68
64
49
56
42

Medium Clouds (% Sky Obscured)

99
89
94
62
74
70
51
57
48
40
33
24
38
30
24
31
26
23
24
23
24
30
33
40

High Clouds (% Sky Obscured)

100
100
100
48
1
0
0
0
0
1
3
3
3
3
3
3
4
2
28
97
60
65
65
65

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
6
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 (%)

6
7
8
11
4
5
17
17
7
4
2
0
0
0
0
0
0
0
0
0
0
3
17
28

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

18
18
19
19
19
19
19
21
17
15
15
14
13
13
12
12
12
11
12
12
12
13
14
16

Dew Point (°C)

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

Relative Humidity (%)

55
54
52
53
52
53
54
65
72
82
86
87
89
90
92
91
91
93
93
89
84
78
72
67

Pressure (mb)

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

Ozone (du)

362
361
361
363
368
374
380
381
377
377
378
377
377
379
379
379
378
378
379
379
377
375
374
376

Sunday 12

Waxing Crescent 23%

09:23

01:50

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

Sun - Rise: 05:16, Set: 20:38, Transit: 12:58. Moon - Rise: 09:23, Set: 01:50. Civil Dark: 21:17 - 04:37. Nautical Dark: 22:09 - 03:44. Astro Dark: 23:18 - 02:34

Total Clouds (% Sky Obscured)

77
55
59
61
74
90
72
59
60
58
52
36
37
29
29
20
8
0
0
0
0
1
5
46

Low Clouds (% Sky Obscured)

54
68
51
38
39
71
31
5
26
29
30
14
5
5
8
7
2
0
0
0
0
0
0
10

Medium Clouds (% Sky Obscured)

25
19
29
22
21
35
18
15
11
11
10
3
6
0
3
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

45
3
0
14
17
4
6
1
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
18

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 (%)

21
25
23
10
9
7
7
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
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

18
19
19
19
20
19
18
18
17
15
14
13
12
11
11
10
9
8
8
9
11
14
16
18

Feels Like (°C)

16
18
19
19
19
17
15
15
13
11
11
11
9
9
8
7
7
7
7
8
10
13
15
18

Dew Point (°C)

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

Relative Humidity (%)

62
57
54
52
51
56
64
65
65
62
65
68
67
68
68
68
70
74
77
73
67
68
67
65

Pressure (mb)

1020
1020
1019
1019
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1017
1017
1017
1017
1017
1016
1015

Ozone (du)

379
382
384
386
390
395
398
396
392
390
390
389
388
385
383
381
381
383
385
385
384
382
380
379

Monday 13

Waxing Crescent 33%

10:38

02:18

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

Sun - Rise: 05:15, Set: 20:39, Transit: 12:58. Moon - Rise: 10:38, Set: 02:18. Civil Dark: 21:19 - 04:35. Nautical Dark: 22:11 - 03:42. Astro Dark: 23:22 - 02:30

Total Clouds (% Sky Obscured)

74
93
95
93
96
83
74
71
52
29
6
28
50
67
59
55
49
39
53
46
50
28
30
51

Low Clouds (% Sky Obscured)

15
27
31
36
43
28
12
0
0
0
0
0
0
0
0
0
0
0
0
0
6
13
20
31

Medium Clouds (% Sky Obscured)

0
0
10
19
28
34
41
44
31
16
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

31
49
56
65
70
75
76
76
56
28
6
26
44
63
55
52
46
37
57
46
41
13
13
16

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 (%)

4
5
0
1
3
6
6
1
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)

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

Chance of Frost

Temperature (°C)

19
20
21
21
21
21
20
19
18
16
15
13
12
11
11
10
10
10
10
12
13
15
17
19

Feels Like (°C)

17
18
19
18
18
19
19
19
18
16
15
13
13
12
10
10
9
8
9
9
10
12
15
17

Dew Point (°C)

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

Relative Humidity (%)

60
58
61
63
57
61
62
66
73
81
84
87
90
90
93
93
91
93
90
83
74
67
63
58

Pressure (mb)

1014
1014
1013
1013
1012
1011
1011
1011
1011
1011
1012
1012
1012
1012
1011
1011
1011
1010
1010
1010
1010
1010
1009
1009

Ozone (du)

379
379
378
378
378
377
377
378
378
379
380
380
380
381
381
383
386
386
384
382
379
376
375
373

Tuesday 14

Waxing Crescent 43%

11:52

02:39

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: 05:13, Set: 20:41, Transit: 12:58. Moon - Rise: 11:52, Set: 02:39. Civil Dark: 21:20 - 04:34. Nautical Dark: 22:13 - 03:40. Astro Dark: 23:25 - 02:27

Total Clouds (% Sky Obscured)

71
73
75
74
69
74
74
80
80
93
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

35
38
37
38
43
25
14
0
0
0
1
0
1
1
1
1
2
12
23
34
52
70
88
92

Medium Clouds (% Sky Obscured)

0
0
5
10
14
10
5
0
1
2
3
6
9
13
39
64
90
91
94
95
96
98
100
100

High Clouds (% Sky Obscured)

35
36
39
34
22
43
56
73
77
90
100
100
100
100
100
100
100
100
100
100
99
99
99
99

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
8
7
6
5
3

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
Very Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

0
0
0
0
1
2
2
0
0
0
0
0
0
0
0
0
0
20
28
31
54
69
81
90

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.4
0.6
0.7

Wind Speed/Direction (mph)

15
16
16
16
17
16
15
14
13
12
10
10
9
9
8
8
8
7
8
8
8
7
7
7

Chance of Frost

Temperature (°C)

20
21
22
22
22
22
21
20
19
18
16
15
15
14
13
13
13
13
13
14
15
15
16
17

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

55
51
51
50
54
61
65
69
72
74
77
79
80
82
80
80
82
81
82
83
83
87
90
95

Pressure (mb)

1008
1008
1007
1007
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006

Ozone (du)

371
370
368
367
366
365
363
362
362
361
361
360
360
361
363
363
364
364
364
365
366
367
368
369

Wednesday 15

First Quarter 52%

No Rise

02:54

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: 05:12, Set: 20:42, Transit: 12:58. Moon - Rise: No Rise, Set: 02:54. Civil Dark: 21:22 - 04:32. Nautical Dark: 22:15 - 03:38. Astro Dark: 23:29 - 02:23

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)

96
100
99
98
97
92
88
83
83
82
82
83
85
86
86
86
86
85
84
83
85
86
88
76

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
99
99
97
95
94
96
98
99
99
99
98
99
99
100
99
98
97
98

High 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

ISS Passover

Visibility (miles)

4
4
4
4
5
5
6
8
9
9
9
9
9
9
8
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

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

Precipitation Probability (%)

95
95
95
95
92
92
94
95
95
90
84
91
94
95
95
95
95
95
95
95
95
92
80
87

Precipitation Amount (mm)

0.8
1
0.8
0.7
0.6
0.5
0.6
0.7
0.6
0.5
0.4
0.5
0.5
0.5
0.7
0.8
1
0.8
1
1.2
0.8
0.5
0.3
0.4

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
95
96
96
96
96
95
96
95
95
96
95
95
96
96
95
95
95
95
95
95
93
92
90

Pressure (mb)

1006
1006
1006
1006
1007
1007
1007
1007
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1009
1009
1009

Ozone (du)

371
372
373
373
373
373
374
374
375
375
375
376
376
376
376
376
376
376
377
379
381
381
381
381

Thursday 16

Waxing Gibbous 62%

13:03

03:07

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: 05:11, Set: 20:44, Transit: 12:58. Moon - Rise: 13:03, Set: 03:07. Civil Dark: 21:24 - 04:31. Nautical Dark: 22:17 - 03:36. Astro Dark: 23:33 - 02:19

Total Clouds (% Sky Obscured)

100
100
100
100
100
96
93
90
82
73
68
60
54
45
49
62
75
83
92
100

Low Clouds (% Sky Obscured)

65
53
54
57
58
48
37
26
30
32
33
33
30
28
35
43
47
56
65
78

Medium Clouds (% Sky Obscured)

99
99
99
100
100
84
69
56
51
54
54
54
54
59
54
53
48
54
59
64

High Clouds (% Sky Obscured)

100
100
100
100
100
92
85
80
76
70
62
53
38
16
29
45
64
77
89
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

Fog (%)

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

Precipitation Probability (%)

92
95
95
95
95
91
84
55
49
33
17
28
23
11
20
14
4
10
11
10

Precipitation Amount (mm)

0.5
0.9
0.9
0.6
0.4
0.5
0.4
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
87
86
85
83
80
83
86
87
89
90
91
93
93
93
93
93
93
90
86

Pressure (mb)

1009
1009
1009
1010
1010
1010
1011
1011
1011
1012
1012
1013
1013
1013
1014
1014
1014
1014
1014
1014

Ozone (du)

381
382
382
385
387
390
391
392
394
396
399
401
399
397
396
396
396
397
398
398

Forecast for Letňany, Praha 18, Czech Republic (50.14,14.52)

Generated: 10/05/24 12:03:40. Forecast: 10/05/24 to 16/05/24. Timezone: UTC+2.00