Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 3

Waning Gibbous 88%

00:06

07:57

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

Sun - Rise: 04:55, Set: 21:05, Transit: 13:00. Moon - Rise: 00:06, Set: 07:57. Civil Dark: 21:48 - 04:11. Nautical Dark: 22:50 - 03:09. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

80
85
88
91
4
0
0
0
3
56
90
82
63
40
84
73
44
78
92
86
100
100
100
100

Low Clouds (% Sky Obscured)

20
21
18
23
1
0
0
0
0
0
0
0
2
1
38
20
7
44
48
17
40
31
48
26

Medium Clouds (% Sky Obscured)

26
59
68
56
0
0
0
0
0
15
48
56
54
30
40
20
18
0
20
25
52
84
90
100

High Clouds (% Sky Obscured)

80
85
88
78
1
0
0
0
0
56
83
51
18
19
4
53
23
60
84
78
90
100
100
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
5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
14
10
13
40

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
4
4
5
5
5
5
5
5
5
5
4
5
6
6
6
6
6
5
6
5
6
6

Chance of Frost

Temperature (°C)

21
20
19
17
16
15
15
14
13
13
13
12
13
14
16
18
19
21
23
24
25
25
25
24

Feels Like (°C)

20
20
18
16
15
15
15
14
13
13
11
11
12
14
15
17
18
21
22
23
24
24
24
23

Dew Point (°C)

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

Relative Humidity (%)

52
62
65
72
77
75
76
79
83
86
84
87
84
76
68
63
55
51
47
47
45
46
49
51

Pressure (mb)

1010
1010
1010
1010
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1010
1010
1010
1009
1009
1008
1007
1007
1007
1007

Ozone (du)

377
379
384
394
409
416
388
375
371
365
362
361
362
361
361
359
353
353
350
347
345
344
343
343

Thursday 4

Waning Gibbous 81%

00:31

09:10

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

Sun - Rise: 04:54, Set: 21:06, Transit: 13:00. Moon - Rise: 00:31, Set: 09:10. Civil Dark: 21:49 - 04:11. Nautical Dark: 22:51 - 03:08. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
99
100
100
100
100
100
100
100
100
100
100
97
88
83
70

Low Clouds (% Sky Obscured)

13
25
57
78
82
69
69
72
67
64
73
74
75
72
79
82
77
58
53
43
38
40
50
52

Medium Clouds (% Sky Obscured)

100
100
92
100
100
99
100
100
100
98
100
100
100
100
100
100
97
100
85
98
93
78
66
21

High Clouds (% Sky Obscured)

100
100
100
100
100
98
100
84
99
71
67
100
100
100
100
100
67
14
98
69
70
70
70
0

ISS Passover

Visibility (miles)

9
9
9
8
5
3
7
8
9
9
3
5
3
4
4
5
5
8
9
9
3
9
8
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
Very 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
None
Very Light Rain
None

Precipitation Probability (%)

46
43
44
63
95
95
94
95
95
95
95
95
95
95
95
95
85
78
75
72
65
44
53
45

Precipitation Amount (mm)

0
0
0
0.3
1.2
1.2
0.6
1.5
1.6
1
1.2
1
1.4
1.4
1.2
0.7
0.4
0.4
0.4
0.4
0.4
0
0.2
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

57
63
73
80
88
95
93
93
93
96
95
95
95
95
95
95
92
92
89
85
78
79
72
66

Pressure (mb)

1007
1007
1007
1008
1008
1009
1009
1010
1010
1010
1011
1011
1011
1012
1013
1013
1013
1014
1014
1014
1014
1015
1015
1015

Ozone (du)

343
341
341
341
340
339
339
338
340
344
348
355
356
357
356
355
356
359
363
364
368
373
377
380

Friday 5

Waning Gibbous 72%

00:50

10:23

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

Sun - Rise: 04:54, Set: 21:06, Transit: 13:01. Moon - Rise: 00:50, Set: 10:23. Civil Dark: 21:50 - 04:10. Nautical Dark: 22:53 - 03:07. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

56
16
1
0
0
0
0
0
0
1
0
5
3
7
59
88
86
85
92
100
100
100
100
100

Low Clouds (% Sky Obscured)

38
16
0
0
0
0
0
0
0
0
0
5
0
0
14
40
32
28
10
2
1
1
1
0

Medium Clouds (% Sky Obscured)

4
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
21
27
33
28
66
81

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
1
0
0
3
7
59
78
85
85
86
100
100
100
100
99

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 (%)

45
13
1
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)

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

Chance of Frost

Temperature (°C)

18
18
17
16
15
14
14
13
12
11
11
11
11
13
15
17
18
20
21
21
22
23
23
24

Feels Like (°C)

17
16
18
17
16
15
14
14
13
13
12
12
12
14
16
17
17
18
19
20
21
21
21
22

Dew Point (°C)

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

Relative Humidity (%)

67
74
77
79
80
83
84
86
87
86
87
88
88
80
73
66
60
55
51
48
45
44
43
45

Pressure (mb)

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

Ozone (du)

379
380
378
376
375
374
370
371
372
370
368
363
362
360
359
358
356
354
351
349
345
341
339
337

Saturday 6

Waning Gibbous 63%

01:06

11:37

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

Sun - Rise: 04:53, Set: 21:07, Transit: 13:01. Moon - Rise: 01:06, Set: 11:37. Civil Dark: 21:51 - 04:10. Nautical Dark: 22:54 - 03:06. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
100
98
96
42
58
32
28
38
74
53
16
18
20
26
32
37
41
42
43
38
32
29
43

Low Clouds (% Sky Obscured)

0
0
6
12
18
12
8
2
2
17
10
0
0
0
2
3
5
13
22
30
28
27
25
25

Medium Clouds (% Sky Obscured)

90
100
94
89
42
55
29
27
29
65
43
16
18
20
26
32
37
32
31
29
17
8
0
0

High Clouds (% Sky Obscured)

98
97
85
14
0
0
2
5
12
55
3
0
0
0
0
0
0
1
1
0
1
0
1
6

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
3
8
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
Very Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
7
10
11
19
49
68
29
19
1
0
0
0
0
1
0
2
3
3
3
2
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0.3
0.4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

6
4
4
4
4
4
5
5
8
6
8
10
10
10
10
13
15
15
15
14
14
13
13
11

Chance of Frost

Temperature (°C)

23
22
21
20
19
18
17
16
16
15
15
14
15
16
17
19
20
21
22
23
24
24
24
24

Feels Like (°C)

22
22
21
19
19
19
17
17
15
15
13
12
14
15
16
16
17
18
18
20
20
21
21
21

Dew Point (°C)

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

Relative Humidity (%)

52
60
65
68
68
73
77
86
92
92
90
89
90
87
79
68
58
51
45
40
38
37
36
39

Pressure (mb)

1016
1016
1016
1016
1017
1017
1018
1018
1018
1019
1019
1019
1020
1021
1021
1021
1021
1022
1022
1022
1021
1021
1021
1021

Ozone (du)

336
338
341
342
345
352
364
368
373
378
379
376
373
369
369
367
365
363
360
360
360
362
362
361

Sunday 7

Waning Gibbous 52%

01:20

12:51

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

Sun - Rise: 04:53, Set: 21:08, Transit: 13:01. Moon - Rise: 01:20, Set: 12:51. Civil Dark: 21:52 - 04:09. Nautical Dark: 22:55 - 03:05. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

39
31
44
44
30
22
23
59
54
13
8
57
50
8
38
37
44
41
39
36
52
67
85
82

Low Clouds (% Sky Obscured)

26
24
17
8
0
1
2
4
2
1
0
0
0
0
5
8
10
10
11
11
11
9
9
7

Medium Clouds (% Sky Obscured)

0
0
3
6
9
6
3
0
0
0
0
0
0
0
21
21
19
21
20
19
16
11
9
9

High Clouds (% Sky Obscured)

5
2
23
26
18
15
19
43
36
10
4
47
44
7
35
37
44
36
22
8
23
39
50
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)

10
7
5
4
3
2
2
1
1
2
3
3
2
2
2
4
4
4
4
4
4
3
3
4

Chance of Frost

Temperature (°C)

23
23
22
20
19
17
17
16
15
14
13
12
13
15
16
18
19
21
22
23
25
25
25
25

Feels Like (°C)

21
22
22
19
18
18
18
18
15
13
14
12
13
15
18
18
18
19
19
20
20
27
27
26

Dew Point (°C)

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

Relative Humidity (%)

42
49
56
60
69
77
81
82
82
84
86
86
84
78
69
61
53
47
42
39
35
34
33
32

Pressure (mb)

1021
1022
1022
1022
1023
1023
1023
1023
1023
1023
1023
1023
1023
1022
1022
1022
1021
1021
1020
1020
1019
1019
1018
1017

Ozone (du)

359
358
358
357
356
356
355
356
356
356
355
354
355
357
357
355
353
352
351
350
349
349
349
349

Monday 8

Third Quarter 42%

01:33

14:07

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

Sun - Rise: 04:53, Set: 21:09, Transit: 13:01. Moon - Rise: 01:33, Set: 14:07. Civil Dark: 21:53 - 04:09. Nautical Dark: 22:57 - 03:04. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

79
77
81
82
86
89
93
97
96
95
95
97
99
100
100
100
100
100
100
100
100
100
100
98

Low Clouds (% Sky Obscured)

3
0
0
0
0
0
0
0
2
5
6
22
38
54
43
39
30
36
50
69
68
67
68
59

Medium Clouds (% Sky Obscured)

8
8
7
5
4
10
13
18
35
51
69
80
90
99
97
94
87
91
95
100
96
93
89
89

High Clouds (% Sky Obscured)

25
15
35
53
74
83
91
97
75
52
24
47
73
100
100
100
100
100
100
100
100
100
100
97

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

0
0
3
3
3
6
6
2
30
40
46
44
40
36
59
76
92
95
95
95
95
95
69
58

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.6
0.7
0.7
0.6
0.7
0.6
0.2
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

24
23
22
21
19
17
17
17
17
17
16
15
15
16
16
16
17
17
16
16
15
15
15
14

Feels Like (°C)

26
26
26
20
20
20
19
19
19
17
17
17
16
16
16
16
17
17
17
16
17
14
14
14

Dew Point (°C)

9
11
12
12
12
11
12
12
13
14
14
14
15
15
15
15
16
16
15
15
14
14
13
13

Relative Humidity (%)

38
46
53
58
62
67
71
75
78
83
89
95
95
93
93
93
93
93
93
93
93
93
92
90

Pressure (mb)

1017
1017
1017
1017
1017
1017
1017
1016
1016
1016
1016
1016
1016
1016
1016
1016
1015
1015
1015
1016
1016
1016
1016
1016

Ozone (du)

349
348
347
347
346
346
346
346
346
346
345
345
346
347
349
350
351
352
352
351
351
356
361
366

Tuesday 9

Waning Crescent 31%

01:47

15:27

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
12 Bad
13 Bad

Sun - Rise: 04:52, Set: 21:10, Transit: 13:01. Moon - Rise: 01:47, Set: 15:27. Civil Dark: 21:54 - 04:08. Nautical Dark: 22:58 - 03:04. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

95
92
84
75
54
48
38
31
34
38
44
52
57
63
61
57
51
52
52
51

Low Clouds (% Sky Obscured)

49
36
32
26
24
15
9
2
14
28
44
46
40
34
33
28
24
27
27
32

Medium Clouds (% Sky Obscured)

87
84
83
75
54
48
38
31
34
30
18
13
6
0
2
3
5
3
2
0

High Clouds (% Sky Obscured)

93
90
81
70
54
48
38
31
34
29
2
2
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

Fog (%)

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

Precipitation Probability (%)

42
11
24
31
37
34
29
20
7
2
0
4
2
0
3
4
0
9
7
2

Precipitation Amount (mm)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
87
86
89
90
92
92
93
93
93
93
91
87
81
78
67
59
51
48
44

Pressure (mb)

1016
1016
1016
1017
1017
1018
1019
1019
1019
1020
1020
1020
1021
1021
1021
1022
1022
1022
1022
1021

Ozone (du)

372
379
385
386
386
387
381
375
369
366
363
360
359
357
356
355
353
352
351
351

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

Generated: 03/06/26 18:47:19. Forecast: 03/06/26 to 09/06/26. Timezone: UTC+2.00