Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 2

Waning Gibbous 92%

22:51

08:05

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 OK
07 Bad
08 Bad
09 Bad
10 OK
11 OK
12 OK
13 OK
14 Bad
15 Bad

Sun - Rise: 04:50, Set: 21:10, Transit: 13:00. Moon - Rise: 22:51, Set: 08:05. Civil Dark: 21:55 - 04:05. Nautical Dark: 23:01 - 03:00. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

63
62
65
61
63
49
86
96
89
99
94
98
84
62
29
60
80
54
41
26
27
39
73
58

Low Clouds (% Sky Obscured)

20
15
15
25
25
23
46
42
58
49
54
74
67
58
28
51
72
54
41
26
27
30
33
27

Medium Clouds (% Sky Obscured)

10
17
8
1
6
11
25
37
63
91
92
91
74
9
0
0
0
0
0
0
7
27
49
38

High Clouds (% Sky Obscured)

14
3
3
0
0
0
0
0
0
0
0
0
2
0
0
0
0
0
0
1
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
4
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
1
0
0
0
0
0
6
20
34
23
5
2
2
1
1
1
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)

9
10
9
7
3
1
1
1
1
1
3
4
4
1
2
4
5
6
8
10
11
12
12
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

14
14
15
15
14
13
12
11
11
11
11
13
15
15
14
14
13
12
10
8
7
7
7
8

Relative Humidity (%)

57
56
61
64
65
64
65
62
62
63
66
81
93
95
93
87
83
75
59
49
44
43
42
44

Pressure (mb)

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

Ozone (du)

321
318
317
315
313
312
312
312
311
312
313
315
317
328
333
344
351
355
360
361
363
364
363
363

Friday 3

Waning Gibbous 85%

23:07

09:19

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

Sun - Rise: 04:51, Set: 21:10, Transit: 13:00. Moon - Rise: 23:07, Set: 09:19. Civil Dark: 21:55 - 04:06. Nautical Dark: 23:00 - 03:01. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

26
36
36
9
21
17
59
28
31
17
17
23
26
29
38
58
70
66
82
56
40
45
95
99

Low Clouds (% Sky Obscured)

1
19
19
1
17
15
14
21
24
14
15
22
22
24
33
56
67
60
58
35
8
45
31
59

Medium Clouds (% Sky Obscured)

26
23
15
5
13
1
2
2
0
0
0
0
0
0
0
0
0
0
15
35
40
45
50
84

High Clouds (% Sky Obscured)

0
1
1
2
3
3
53
0
0
0
0
0
2
1
2
3
6
15
31
47
18
3
60
70

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
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

47
48
51
60
65
73
82
84
87
90
91
93
95
95
93
84
74
64
56
49
43
40
39
40

Pressure (mb)

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

Ozone (du)

362
362
362
362
362
363
363
365
367
367
364
360
356
355
354
353
353
353
353
353
352
351
349
350

Saturday 4

Waning Gibbous 77%

23:21

10:33

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
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 04:52, Set: 21:09, Transit: 13:00. Moon - Rise: 23:21, Set: 10:33. Civil Dark: 21:54 - 04:07. Nautical Dark: 22:59 - 03:02. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

93
96
99
96
90
98
100
99
98
97
86
81
94
96
98
97
96
99
96
90
89
87
89
84

Low Clouds (% Sky Obscured)

7
11
29
39
42
49
77
78
83
85
74
72
81
86
94
88
78
88
53
55
65
50
59
60

Medium Clouds (% Sky Obscured)

73
89
98
87
82
95
98
94
86
50
64
45
32
19
36
41
78
89
78
73
68
57
34
36

High Clouds (% Sky Obscured)

70
63
51
65
13
49
67
13
3
2
4
5
10
8
4
37
46
46
35
32
30
30
40
15

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

0
5
3
5
4
17
33
39
20
17
35
36
18
9
13
21
45
65
67
50
49
44
39
37

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

44
46
52
56
65
69
69
72
78
80
87
95
95
95
92
89
82
78
75
70
72
81
66
59

Pressure (mb)

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

Ozone (du)

352
357
358
360
356
352
354
358
359
357
355
356
358
356
356
356
356
356
357
357
357
358
360
361

Sunday 5

Waning Gibbous 68%

23:34

11:48

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
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 04:52, Set: 21:09, Transit: 13:00. Moon - Rise: 23:34, Set: 11:48. Civil Dark: 21:53 - 04:08. Nautical Dark: 22:58 - 03:04. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

90
89
84
54
52
69
88
77
79
78
100
100
100
99
99
99
97
97
97
96
96
95
97
97

Low Clouds (% Sky Obscured)

60
45
34
5
11
23
33
52
57
65
62
54
58
66
73
68
71
79
85
69
54
44
39
34

Medium Clouds (% Sky Obscured)

29
17
9
4
14
43
82
56
49
53
50
54
49
48
47
47
59
73
49
49
48
51
55
51

High Clouds (% Sky Obscured)

29
50
54
54
39
23
2
4
7
10
31
24
16
23
36
49
33
23
28
39
40
36
57
76

ISS Passover

Visibility (miles)

9
9
7
9
9
8
9
9
9
9
9
9
9
8
7
7
6
6
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
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

35
35
37
22
11
18
9
17
24
25
36
44
46
50
51
54
50
46
25
15
7
2
6
6

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.2
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

11
11
12
13
14
15
14
14
14
13
13
13
13
13
14
14
13
13
11
9
8
8
7
7

Relative Humidity (%)

56
56
58
68
76
87
92
93
93
93
93
96
96
96
96
92
86
79
66
56
51
47
41
40

Pressure (mb)

1016
1016
1016
1016
1016
1016
1016
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1016

Ozone (du)

360
360
358
359
359
359
360
362
362
361
359
360
360
358
356
356
354
354
353
353
354
355
354
350

Monday 6

Waning Gibbous 57%

23:46

13:04

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
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 04:53, Set: 21:08, Transit: 13:01. Moon - Rise: 23:46, Set: 13:04. Civil Dark: 21:53 - 04:09. Nautical Dark: 22:57 - 03:05. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

92
94
97
97
98
98
99
99
99
99
100
100
100
93
100
100
100
100
100
100
100
100
96
92

Low Clouds (% Sky Obscured)

32
28
18
4
10
14
18
18
18
17
24
32
46
62
54
79
84
81
79
76
76
76
70
61

Medium Clouds (% Sky Obscured)

51
56
60
64
68
81
91
93
81
74
94
86
99
86
72
63
97
98
100
98
96
93
84
71

High Clouds (% Sky Obscured)

90
86
86
81
80
79
81
81
84
88
82
76
20
15
88
100
73
88
99
99
100
100
86
77

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

Precipitation Probability (%)

2
26
34
28
35
29
17
22
21
12
21
24
22
49
82
95
54
72
89
84
72
55
64
76

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.9
1.3
0
0.3
0.5
0.6
0.4
0.2
0.3
0.4

Wind Speed/Direction (mph)

11
11
10
7
4
3
1
1
2
2
3
3
2
2
3
4
4
6
6
7
8
8
10
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

41
44
49
55
67
72
72
72
70
75
79
79
80
82
80
78
79
84
89
95
93
92
90
81

Pressure (mb)

1016
1015
1015
1015
1015
1015
1016
1016
1016
1015
1015
1015
1014
1014
1014
1013
1013
1013
1012
1012
1012
1011
1010
1010

Ozone (du)

349
348
346
346
345
345
347
347
350
352
354
355
355
354
353
351
350
352
353
355
359
364
369
366

Tuesday 7

Third Quarter 46%

00:00

14:25

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
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 04:54, Set: 21:08, Transit: 13:01. Moon - Rise: 00:00, Set: 14:25. Civil Dark: 21:52 - 04:10. Nautical Dark: 22:56 - 03:07. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

88
92
96
99
99
99
100
100
100
100
100
100
100
97
94
90
91
92
94
94
95
97
93
90

Low Clouds (% Sky Obscured)

53
60
68
74
73
72
72
56
39
23
31
39
51
55
52
46
51
58
67
78
86
93
90
86

Medium Clouds (% Sky Obscured)

59
72
87
98
90
81
66
75
87
100
100
100
100
79
54
27
43
54
68
55
42
39
43
43

High Clouds (% Sky Obscured)

69
70
71
75
78
87
97
98
99
100
93
85
80
80
80
71
51
32
15
10
5
0
5
7

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
8
7
8

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

Precipitation Probability (%)

86
94
94
93
95
95
95
95
87
63
62
63
64
57
58
55
38
30
34
52
62
61
73
78

Precipitation Amount (mm)

0.6
0.7
0.7
0.6
0.9
1.1
1
0.8
0.6
0.3
0.3
0.3
0.4
0
0.2
0.3
0
0
0
0
0.3
0
0.4
0.4

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

15
14
15
15
17
13
13
13
13
12
13
11
12
11
10
10
9
12
12
12
11
10
10
12

Dew Point (°C)

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

Relative Humidity (%)

71
62
69
76
83
83
85
84
84
84
84
84
86
86
79
75
70
76
82
89
87
84
83
74

Pressure (mb)

1009
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1009
1009
1009
1009
1009
1010
1010
1010
1010
1010
1010
1010
1010

Ozone (du)

364
361
359
357
356
352
349
345
343
341
338
337
336
335
334
333
332
331
330
329
329
329
329
331

Wednesday 8

Waning Crescent 34%

00:17

15:50

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

Sun - Rise: 04:55, Set: 21:07, Transit: 13:01. Moon - Rise: 00:17, Set: 15:50. Civil Dark: 21:51 - 04:11. Nautical Dark: 22:55 - 03:08. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

85
60
37
22
22
27
31
36
50
40
31
32
31
38
42
55
59
58
53
53
48
44

Low Clouds (% Sky Obscured)

82
59
35
15
19
20
18
29
36
39
31
29
24
26
30
34
33
29
22
23
26
30

Medium Clouds (% Sky Obscured)

42
37
31
22
22
27
31
31
34
36
31
27
23
29
32
37
37
33
33
31
31
29

High Clouds (% Sky Obscured)

10
15
15
20
22
26
31
36
50
40
31
23
0
0
0
0
0
0
0
4
7
10

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

Fog (%)

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

Precipitation Probability (%)

86
85
74
63
64
51
20
41
24
6
21
16
3
7
12
2
9
12
10
28
38
49

Precipitation Amount (mm)

0.5
0.5
0.3
0
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2

Wind Speed/Direction (mph)

9
9
7
6
5
4
3
2
2
2
2
1
1
2
2
3
3
5
6
8
7
6

Chance of Frost

Temperature (°C)

15
15
15
15
14
13
11
10
9
9
8
8
8
7
9
11
12
14
15
17
17
18

Feels Like (°C)

12
13
13
13
13
13
12
12
12
11
11
8
8
9
8
8
7
13
13
13
13
14

Dew Point (°C)

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

Relative Humidity (%)

66
59
57
55
53
57
59
65
68
72
73
75
78
81
75
71
66
57
49
41
42
41

Pressure (mb)

1011
1011
1011
1012
1012
1013
1013
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1013
1013
1013

Ozone (du)

333
335
338
340
342
344
346
348
346
345
343
344
344
345
346
348
350
353
357
360
364
368

Forecast for Maršov u Úpice, Trutnov District, Czech Republic (50.48,15.98)

Generated: 02/07/26 16:54:47. Forecast: 02/07/26 to 08/07/26. Timezone: UTC+2.00