Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 2

Waning Gibbous 98%

21:50

05:44

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

Sun - Rise: 05:33, Set: 20:22, Transit: 12:59. Moon - Rise: 21:50, Set: 05:44. Civil Dark: 20:59 - 04:56. Nautical Dark: 21:47 - 04:08. Astro Dark: 22:44 - 03:10

Total Clouds (% Sky Obscured)

6
5
4
3
72
77
83
85
93
96
76
58
47
12
44
66
80
96
86
24
71
87
51
70

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

High Clouds (% Sky Obscured)

0
0
3
3
72
77
83
85
89
95
69
49
41
6
38
66
80
96
86
18
71
87
48
65

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

Chance of Frost

Temperature (°C)

21
18
15
14
13
12
12
11
11
10
9
10
13
17
20
22
23
25
26
26
27
26
26
24

Feels Like (°C)

22
18
15
14
11
10
10
9
9
8
7
8
12
16
18
20
21
22
23
23
25
24
23
22

Dew Point (°C)

12
10
8
7
6
6
6
5
5
5
4
4
6
8
9
10
10
10
11
11
11
13
14
15

Relative Humidity (%)

56
60
62
64
65
65
66
66
68
70
70
69
61
56
51
46
43
39
38
38
38
43
48
56

Pressure (mb)

1018
1019
1019
1019
1019
1019
1018
1018
1018
1018
1018
1018
1018
1017
1017
1016
1016
1015
1014
1013
1013
1012
1012
1012

Ozone (du)

387
388
388
388
388
386
385
384
384
382
381
380
380
381
381
382
382
382
381
380
379
378
378
376

Sunday 3

Waning Gibbous 95%

22:59

06:16

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

Sun - Rise: 05:32, Set: 20:24, Transit: 12:58. Moon - Rise: 22:59, Set: 06:16. Civil Dark: 21:01 - 04:54. Nautical Dark: 21:49 - 04:06. Astro Dark: 22:47 - 03:07

Total Clouds (% Sky Obscured)

30
84
80
81
77
81
96
94
100
100
100
94
80
94
100
86
91
94
88
82
60
58
80
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
1
1
1
0
1
14
3
2
19
5
13
13
0
0
0

Medium Clouds (% Sky Obscured)

4
7
0
2
2
21
71
90
88
36
93
76
43
55
80
68
48
40
28
23
30
17
22
32

High Clouds (% Sky Obscured)

21
84
80
81
77
80
75
79
100
100
85
84
67
64
100
77
70
70
84
69
34
56
80
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
2
2
0
0
0
0
0
0
0
0
0
0
9
7
9
8
7
5

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

Chance of Frost

Temperature (°C)

22
20
18
17
16
16
15
14
13
12
12
13
14
16
18
20
22
23
24
25
25
25
24
24

Feels Like (°C)

20
18
16
14
14
14
13
13
11
11
10
11
13
15
17
19
21
23
23
23
24
25
24
22

Dew Point (°C)

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

Relative Humidity (%)

63
66
68
69
71
72
74
76
76
77
80
77
72
68
61
58
52
49
47
45
45
46
50
59

Pressure (mb)

1012
1012
1013
1012
1012
1013
1013
1013
1013
1014
1014
1014
1015
1014
1014
1014
1013
1013
1012
1011
1011
1010
1010
1010

Ozone (du)

374
372
372
372
372
372
371
372
373
373
373
373
372
373
373
374
375
376
375
375
376
375
375
373

Monday 4

Waning Gibbous 90%

00:01

06:59

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

Sun - Rise: 05:30, Set: 20:25, Transit: 12:58. Moon - Rise: 00:01, Set: 06:59. Civil Dark: 21:03 - 04:52. Nautical Dark: 21:51 - 04:04. Astro Dark: 22:50 - 03:03

Total Clouds (% Sky Obscured)

100
100
100
100
94
95
100
100
100
100
98
100
100
100
96
100
100
100
100
100
100
100
100
91

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
2
2
10
18
17
30
35
37
58
59
79
58
56
47
35
33
38

Medium Clouds (% Sky Obscured)

19
63
80
75
48
44
42
39
74
86
80
76
99
76
26
37
55
88
86
82
72
36
40
45

High Clouds (% Sky Obscured)

100
100
100
100
91
89
100
100
100
100
86
100
100
100
82
99
100
100
100
100
100
100
100
79

ISS Passover

Visibility (miles)

9
2
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
5
8
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

Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
Very Light Rain
Very Light Rain
None
None
None
None
None

Precipitation Probability (%)

35
33
0
1
5
4
5
6
10
15
6
0
0
13
18
15
26
49
52
45
49
49
49
23

Precipitation Amount (mm)

0.2
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.3
0
0
0
0
0

Wind Speed/Direction (mph)

6
4
3
3
2
3
3
3
3
5
4
3
4
7
11
13
11
12
11
10
9
8
8
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

69
82
85
83
85
87
89
89
89
89
90
86
82
81
78
65
60
60
69
67
63
64
67
74

Pressure (mb)

1009
1010
1009
1009
1009
1009
1009
1008
1008
1009
1008
1008
1008
1008
1008
1008
1007
1007
1007
1007
1007
1007
1007
1008

Ozone (du)

373
372
372
372
372
372
371
371
370
371
371
372
372
374
375
376
376
375
376
378
379
380
380
381

Tuesday 5

Waning Gibbous 83%

00:53

07:53

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

Sun - Rise: 05:28, Set: 20:27, Transit: 12:58. Moon - Rise: 00:53, Set: 07:53. Civil Dark: 21:04 - 04:51. Nautical Dark: 21:53 - 04:01. Astro Dark: 22:53 - 03:00

Total Clouds (% Sky Obscured)

99
100
88
99
96
88
96
99
100
100
100
100
100
99
98
99
99
100
100
100
100
100
100
79

Low Clouds (% Sky Obscured)

31
35
44
69
77
73
82
90
92
91
89
87
83
86
88
92
96
96
85
92
97
70
64
56

Medium Clouds (% Sky Obscured)

68
97
88
47
45
66
76
92
95
88
72
75
73
94
68
62
64
76
68
53
37
32
17
21

High Clouds (% Sky Obscured)

98
100
59
83
50
5
51
77
100
66
100
100
85
67
40
39
32
20
43
75
100
100
100
79

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
5
6
5
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None

Precipitation Probability (%)

24
19
15
21
35
43
49
67
79
90
95
95
95
95
95
95
79
36
36
28
18
16
24
5

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.4
0.5
0.7
0.7
0.8
1.1
1.6
1
0.5
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
87
89
90
90
88
90
93
93
95
95
95
93
87
80
71
69
68
64
59
58
62
67
72

Pressure (mb)

1008
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1010
1010
1009
1009
1009
1009
1009
1008
1008
1008
1008
1007

Ozone (du)

383
385
385
385
386
385
384
381
378
377
376
376
377
380
381
381
382
383
383
383
383
381
381
381

Wednesday 6

Waning Gibbous 76%

01:34

08:57

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

Sun - Rise: 05:27, Set: 20:28, Transit: 12:58. Moon - Rise: 01:34, Set: 08:57. Civil Dark: 21:06 - 04:49. Nautical Dark: 21:55 - 03:59. Astro Dark: 22:56 - 02:57

Total Clouds (% Sky Obscured)

76
91
98
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
90
81
71

Low Clouds (% Sky Obscured)

53
69
71
61
58
86
89
93
97
98
99
100
97
97
97
96
94
93
92
92
91
80
71
61

Medium Clouds (% Sky Obscured)

41
60
91
96
90
97
100
90
100
100
100
100
100
100
100
100
100
100
94
88
82
59
35
11

High Clouds (% Sky Obscured)

72
72
74
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
98
97
67
37
7

ISS Passover

Visibility (miles)

9
7
9
9
9
5
5
8
7
4
0
0
1
1
1
2
3
4
5
7
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
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Moderate Rain
Moderate Rain
Moderate Rain
Moderate Rain
Moderate Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None

Precipitation Probability (%)

23
32
13
21
28
45
49
73
93
95
95
95
95
95
95
95
95
95
95
93
54
38
24
11

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.3
0.3
0.3
1.1
2.9
2.5
2.7
2.9
2.6
2.4
2.3
1.4
0.7
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
88
93
93
95
96
95
95
96
96
98
98
96
96
94
94
93
95
93
90
87
84
86
90

Pressure (mb)

1007
1008
1008
1008
1007
1007
1007
1007
1007
1006
1006
1006
1007
1009
1010
1010
1011
1012
1012
1013
1013
1013
1013
1014

Ozone (du)

380
381
383
384
384
384
384
385
383
383
386
387
386
385
384
383
383
384
384
388
391
395
394
394

Thursday 7

Waning Gibbous 67%

02:04

10:08

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
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 OK
18 OK
19 Good

Sun - Rise: 05:25, Set: 20:30, Transit: 12:58. Moon - Rise: 02:04, Set: 10:08. Civil Dark: 21:08 - 04:47. Nautical Dark: 21:57 - 03:57. Astro Dark: 23:00 - 02:54

Total Clouds (% Sky Obscured)

68
64
58
63
68
73
73
73
72
63
52
45
53
59
71
72
75
73
68
63
59
41
25
9

Low Clouds (% Sky Obscured)

56
52
47
49
51
52
55
60
64
52
40
27
35
40
48
44
35
26
29
32
37
27
18
7

Medium Clouds (% Sky Obscured)

10
8
6
7
5
6
5
4
4
5
5
3
4
6
9
27
48
64
56
47
39
25
12
0

High Clouds (% Sky Obscured)

5
3
0
0
1
1
1
1
1
12
23
36
53
59
71
67
33
0
0
0
0
1
2
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 (%)

9
6
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
0
1
1
0
1
1
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)

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

Chance of Frost

Temperature (°C)

10
10
9
8
8
7
7
6
6
5
6
8
9
10
12
14
15
16
17
17
18
18
17
16

Feels Like (°C)

9
9
8
8
7
7
6
5
6
5
5
5
5
10
10
10
11
11
12
17
17
16
17
17

Dew Point (°C)

9
9
8
7
6
6
6
5
5
4
5
6
6
6
6
7
7
7
7
7
8
7
8
9

Relative Humidity (%)

91
93
91
93
91
93
91
94
94
94
90
88
84
76
68
62
58
55
52
52
51
50
57
64

Pressure (mb)

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

Ozone (du)

393
394
394
394
394
394
394
392
391
390
390
390
390
390
390
390
387
385
382
380
377
374
373
372

Friday 8

Waning Gibbous 57%

02:27

11:21

20 Good
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
11 Bad
12 Bad
13 Bad

Sun - Rise: 05:23, Set: 20:31, Transit: 12:58. Moon - Rise: 02:27, Set: 11:21. Civil Dark: 21:10 - 04:45. Nautical Dark: 21:59 - 03:55. Astro Dark: 23:03 - 02:50

Total Clouds (% Sky Obscured)

14
21
36
56
78
97
97
98
97
96
96
96
98
99
100
100
100
100

Low Clouds (% Sky Obscured)

6
3
0
1
1
1
1
0
0
0
0
0
1
2
3
8
12
12

Medium Clouds (% Sky Obscured)

0
0
0
19
37
58
59
60
66
66
64
62
69
72
78
83
87
92

High Clouds (% Sky Obscured)

5
6
11
35
60
85
87
90
92
94
96
96
98
99
100
88
75
63

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

6
5
4
4
4
4
5
4
4
4
5
5
6
7
8
9
9
9

Chance of Frost

Temperature (°C)

15
14
12
11
11
10
10
9
9
8
10
11
12
14
16
17
19
19

Feels Like (°C)

17
13
13
12
12
11
10
7
7
7
7
7
7
11
12
12
13
13

Dew Point (°C)

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

Relative Humidity (%)

71
74
76
78
80
80
81
82
82
85
78
75
70
65
61
57
56
55

Pressure (mb)

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

Ozone (du)

370
369
367
365
366
367
367
367
367
367
369
370
371
372
373
373
372
371

Forecast for Královské Vinohrady, Praha 2, Czech Republic (50.08,14.44)

Generated: 02/05/26 20:13:39. Forecast: 02/05/26 to 08/05/26. Timezone: UTC+2.00