Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 12

Waning Crescent 6%

03:09

20:02

07 OK
08 Bad
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 OK
23 OK
00 OK
01 Good
02 Good
03 OK
04 OK
05 OK
06 Good

Sun - Rise: 05:07, Set: 21:09, Transit: 13:07. Moon - Rise: 03:09, Set: 20:02. Civil Dark: 21:51 - 04:24. Nautical Dark: 22:52 - 03:24. Astro Dark: N/A - 01:27

Total Clouds (% Sky Obscured)

44
57
68
77
83
80
100
92
98
91
69
61
76
56
53
21
26
19
5
14
37
28
30
2

Low Clouds (% Sky Obscured)

9
8
5
38
37
3
5
32
5
5
2
1
5
5
4
0
0
0
3
14
0
0
0
0

Medium Clouds (% Sky Obscured)

39
57
68
36
58
58
93
54
71
61
59
56
43
20
20
21
26
19
5
0
0
0
0
0

High Clouds (% Sky Obscured)

44
26
68
2
0
6
25
65
7
3
4
2
2
2
1
0
0
0
0
0
22
17
22
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
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
1
1
0
1
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
6
6
7
10
12
11
10
8
9
9
9
6
3
3
3
4
4
4
3
3
3
3
4

Chance of Frost

Temperature (°C)

18
20
21
22
24
25
26
26
27
27
27
27
27
26
24
22
21
19
19
18
17
17
16
15

Feels Like (°C)

19
19
19
20
22
23
24
25
27
27
26
26
28
26
25
22
22
21
20
20
19
19
18
18

Dew Point (°C)

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

Relative Humidity (%)

71
64
55
57
51
47
45
51
56
54
56
51
56
61
59
62
68
70
73
77
79
83
86
85

Pressure (mb)

1020
1020
1021
1021
1021
1020
1020
1020
1019
1019
1019
1019
1019
1019
1019
1019
1020
1020
1020
1020
1020
1020
1020
1021

Ozone (du)

339
343
344
345
346
342
339
339
338
337
335
335
335
337
338
338
339
340
343
343
343
342
341
342

Monday 13

Waning Crescent 2%

04:31

20:58

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

Sun - Rise: 05:08, Set: 21:08, Transit: 13:07. Moon - Rise: 04:31, Set: 20:58. Civil Dark: 21:50 - 04:26. Nautical Dark: 22:50 - 03:26. Astro Dark: 00:47 - 01:37

Total Clouds (% Sky Obscured)

0
20
21
27
27
47
43
28
32
53
82
31
15
40
52
57
55
87
100
96
61
69
100
100

Low Clouds (% Sky Obscured)

0
20
21
27
27
26
9
0
0
0
13
0
0
0
10
22
25
24
23
10
3
4
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
37
40
25
28
37
54
25
11
17
18
7
9
11
20
17
21
20
60
57

High Clouds (% Sky Obscured)

0
0
0
0
3
0
0
0
0
0
0
1
4
21
52
45
43
83
100
95
61
69
92
55

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
3
5
12
18
35

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

Chance of Frost

Temperature (°C)

17
20
22
23
25
26
27
28
29
29
29
29
28
27
25
22
21
21
20
19
19
18
17
17

Feels Like (°C)

19
22
24
25
26
27
28
29
30
30
30
29
30
30
27
24
22
22
21
19
19
19
17
17

Dew Point (°C)

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

Relative Humidity (%)

79
75
71
64
56
49
47
45
44
43
45
47
54
61
64
66
69
71
72
72
72
70
70
74

Pressure (mb)

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

Ozone (du)

343
346
349
351
353
354
353
351
350
348
347
347
348
347
348
348
349
349
349
349
350
353
353
355

Tuesday 14

New Moon 0%

06:02

21:37

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
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 OK
04 OK
05 Bad
06 OK

Sun - Rise: 05:09, Set: 21:07, Transit: 13:07. Moon - Rise: 06:02, Set: 21:37. Civil Dark: 21:49 - 04:27. Nautical Dark: 22:49 - 03:28. Astro Dark: 00:38 - 01:44

Total Clouds (% Sky Obscured)

81
57
71
34
61
59
88
58
65
66
23
66
62
96
100
70
51
59
56
53
38
32
54
36

Low Clouds (% Sky Obscured)

13
11
5
0
0
0
11
26
16
0
0
0
0
0
0
5
0
0
0
2
3
5
19
34

Medium Clouds (% Sky Obscured)

56
47
27
25
24
52
52
39
57
46
5
20
27
42
30
21
20
29
22
15
10
1
4
4

High Clouds (% Sky Obscured)

4
7
28
6
37
31
4
6
15
25
12
66
62
95
100
47
20
28
26
41
35
32
54
18

ISS Passover

Visibility (miles)

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

31
19
26
23
23
16
10
20
42
44
32
20
29
14
3
2
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)

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

Chance of Frost

Temperature (°C)

18
21
23
25
27
28
29
29
30
30
29
28
27
26
24
22
21
20
20
19
18
18
17
18

Feels Like (°C)

19
22
24
26
28
28
28
26
28
29
28
27
25
24
23
21
22
22
21
21
19
18
17
17

Dew Point (°C)

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

Relative Humidity (%)

81
79
70
60
49
45
43
49
51
52
54
56
63
70
70
71
76
79
78
78
77
78
78
77

Pressure (mb)

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

Ozone (du)

357
358
364
369
373
369
364
364
364
362
362
357
357
359
363
365
367
368
369
370
369
367
365
365

Wednesday 15

Waxing Crescent 2%

No Rise

22:03

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

Sun - Rise: 05:10, Set: 21:06, Transit: 13:07. Moon - Rise: No Rise, Set: 22:03. Civil Dark: 21:48 - 04:28. Nautical Dark: 22:47 - 03:30. Astro Dark: 00:31 - 01:50

Total Clouds (% Sky Obscured)

69
51
46
31
36
36
44
35
23
19
14
7
0
2
20
25
25
30
6
5
13
4
22
66

Low Clouds (% Sky Obscured)

48
43
37
31
31
30
29
22
14
7
5
2
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

4
24
7
6
13
5
25
10
14
18
12
6
0
0
0
1
0
0
0
2
2
0
0
0

High Clouds (% Sky Obscured)

56
13
24
5
7
11
15
7
3
2
0
0
0
1
17
25
25
30
4
3
8
2
20
66

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
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)

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

Chance of Frost

Temperature (°C)

20
21
23
25
27
28
29
29
30
30
31
30
29
28
26
23
21
20
19
18
17
17
16
17

Feels Like (°C)

20
20
22
23
25
26
27
27
28
29
30
29
29
29
26
23
20
19
18
19
18
17
17
18

Dew Point (°C)

15
15
14
13
13
13
13
12
13
13
15
15
17
19
17
15
13
13
12
12
12
11
11
12

Relative Humidity (%)

72
66
56
47
43
40
37
35
34
35
38
41
48
57
59
60
61
62
65
67
70
69
70
72

Pressure (mb)

1022
1022
1022
1022
1022
1022
1022
1021
1021
1021
1020
1020
1021
1021
1022
1022
1023
1023
1023
1023
1023
1023
1023
1023

Ozone (du)

364
363
362
358
358
358
354
354
352
351
349
348
347
344
342
340
339
340
342
343
343
342
339
336

Thursday 16

Waxing Crescent 7%

07:32

22:23

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
20 OK
21 OK
22 OK
23 OK
00 OK
01 OK
02 OK
03 OK
04 OK
05 OK
06 Good

Sun - Rise: 05:11, Set: 21:05, Transit: 13:08. Moon - Rise: 07:32, Set: 22:23. Civil Dark: 21:47 - 04:30. Nautical Dark: 22:45 - 03:32. Astro Dark: 00:25 - 01:56

Total Clouds (% Sky Obscured)

86
91
90
89
78
62
60
73
84
96
97
99
100
47
39
31
30
30
33
38
39
39
26
15

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
3
7
11
24
22
20
16
13
11
11
11
14
11
7

High Clouds (% Sky Obscured)

86
91
84
85
74
59
56
70
83
96
97
99
100
11
8
7
14
22
20
20
24
28
17
9

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)

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

Chance of Frost

Temperature (°C)

18
20
22
24
26
27
28
29
30
30
30
30
29
29
26
23
21
20
19
17
17
16
16
17

Feels Like (°C)

18
19
20
22
24
25
26
26
26
27
28
28
28
29
26
25
23
22
21
20
17
17
17
16

Dew Point (°C)

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

Relative Humidity (%)

66
59
53
45
38
36
35
36
37
39
44
48
52
58
60
63
65
67
70
71
73
73
74
71

Pressure (mb)

1023
1024
1023
1023
1023
1023
1022
1022
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021

Ozone (du)

333
331
329
328
328
327
326
326
325
325
326
325
325
325
325
324
324
324
325
325
327
329
331
331

Friday 17

Waxing Crescent 14%

08:58

22:39

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

Sun - Rise: 05:12, Set: 21:04, Transit: 13:08. Moon - Rise: 08:58, Set: 22:39. Civil Dark: 21:46 - 04:31. Nautical Dark: 22:44 - 03:33. Astro Dark: 00:20 - 02:01

Total Clouds (% Sky Obscured)

3
4
6
6
6
5
4
11
21
45
44
43
52
51
35
18
30
41
51
53
64
75
90
90

Low Clouds (% Sky Obscured)

0
0
0
0
1
2
3
4
14
20
10
10
9
7
5
2
4
8
6
4
4
5
5
5

Medium Clouds (% Sky Obscured)

3
2
2
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
1
4
6
5
3
0
1
3
4
3
3
3
3
3
3
10
18
25
20
13
7
6
5

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)

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

Chance of Frost

Temperature (°C)

19
20
23
25
27
28
29
31
30
30
30
29
28
27
26
23
22
21
20
20
19
19
18
19

Feels Like (°C)

16
16
24
25
26
26
27
28
34
33
32
32
32
31
26
25
24
23
22
21
19
19
19
19

Dew Point (°C)

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

Relative Humidity (%)

66
62
55
51
46
43
39
37
38
42
44
48
51
55
57
59
62
62
63
62
62
61
61
62

Pressure (mb)

1021
1021
1020
1020
1020
1019
1019
1018
1018
1017
1017
1017
1017
1017
1017
1017
1018
1018
1018
1018
1018
1017
1017
1018

Ozone (du)

332
332
330
328
326
325
323
322
323
324
325
326
327
328
328
329
329
328
328
327
327
327
328
328

Saturday 18

Waxing Crescent 22%

10:18

22:53

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
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad

Sun - Rise: 05:14, Set: 21:03, Transit: 13:08. Moon - Rise: 10:18, Set: 22:53. Civil Dark: 21:44 - 04:32. Nautical Dark: 22:42 - 03:35. Astro Dark: 00:15 - 02:06

Total Clouds (% Sky Obscured)

90
90
86
80
76
76
81
76
60
40
61
71
81
70
59
47
55
58
66

Low Clouds (% Sky Obscured)

5
5
10
14
13
15
9
4
1
0
1
2
2
3
2
1
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
3
6
9
17
25
34
34
31
28

High Clouds (% Sky Obscured)

4
6
9
15
27
37
52
64
60
40
52
55
67
52
28
4
30
53
66

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 (%)

0
0
0
0
0
0
0
0
0
0
0
1
3
10
9
3
7
6
6

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)

2
3
3
3
3
3
3
4
4
4
4
2
1
2
1
2
2
2
2

Chance of Frost

Temperature (°C)

20
21
24
26
29
30
32
34
34
34
34
33
33
32
30
27
25
24
22

Feels Like (°C)

20
20
23
25
27
28
29
30
36
36
35
35
36
36
31
31
30
29
28

Dew Point (°C)

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

Relative Humidity (%)

64
64
59
54
50
45
40
36
36
35
35
39
43
48
52
56
60
61
65

Pressure (mb)

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

Ozone (du)

328
328
328
328
328
329
330
330
331
331
332
332
332
332
333
334
334
334
334

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

Generated: 12/07/26 07:29:01. Forecast: 12/07/26 to 18/07/26. Timezone: UTC+2.00