Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 1

Waning Gibbous 97%

22:45

05:38

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

Sun - Rise: 04:48, Set: 20:58, Transit: 12:54. Moon - Rise: 22:45, Set: 05:38. Civil Dark: 21:42 - 04:04. Nautical Dark: 22:45 - 03:01. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

40
31
25
22
2
0
0
2
3
3
4
3
5
37
72
65
50
64
82
87
88
81
100
77

Low Clouds (% Sky Obscured)

0
0
0
5
2
0
0
0
0
0
0
0
0
0
30
36
0
0
0
0
0
0
0
4

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
36
37
25
5
1
18
34
77

High Clouds (% Sky Obscured)

7
6
0
0
0
0
0
2
3
3
4
3
5
26
46
35
33
57
80
84
88
81
100
41

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

Chance of Frost

Temperature (°C)

16
14
13
12
11
11
10
10
10
9
11
13
15
17
18
20
20
21
22
22
22
22
22
21

Feels Like (°C)

17
15
14
12
12
12
11
12
11
11
12
14
17
18
18
19
20
20
20
20
21
20
21
21

Dew Point (°C)

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

Relative Humidity (%)

72
76
80
81
83
83
83
84
84
85
84
76
69
65
59
56
53
51
50
50
51
52
58
69

Pressure (mb)

1014
1015
1015
1016
1016
1016
1016
1016
1016
1015
1015
1015
1015
1014
1014
1013
1013
1012
1012
1011
1010
1010
1009
1009

Ozone (du)

372
372
372
369
366
364
364
363
362
362
360
358
356
354
354
354
353
352
352
352
352
351
350
354

Tuesday 2

Waning Gibbous 94%

23:29

06:40

20 Bad
21 Good
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
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad

Sun - Rise: 04:47, Set: 20:59, Transit: 12:54. Moon - Rise: 23:29, Set: 06:40. Civil Dark: 21:43 - 04:03. Nautical Dark: 22:46 - 03:00. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

55
13
48
52
100
100
100
85
100
100
100
100
92
100
98
100
100
100
100
100
100
100
100
96

Low Clouds (% Sky Obscured)

10
2
0
0
0
0
0
24
52
58
61
67
60
97
96
100
91
100
95
99
100
100
91
76

Medium Clouds (% Sky Obscured)

38
5
7
27
40
0
6
41
84
73
73
82
82
71
35
98
100
100
100
95
98
91
96
77

High Clouds (% Sky Obscured)

4
6
48
52
100
100
100
59
63
90
83
64
6
99
60
85
50
91
39
83
58
78
100
76

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
6
3
1
4
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
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
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
6
23
6
8
33
45
37
31
25
49
70
95
95
95
94
53
20
9
2

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.7
2.4
2.3
0.6
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

20
17
16
13
13
13
12
12
12
12
13
14
14
15
16
16
15
13
12
12
13
12
13
13

Dew Point (°C)

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

Relative Humidity (%)

73
77
80
84
83
80
77
81
81
81
86
83
84
86
86
89
93
95
96
93
92
93
95
89

Pressure (mb)

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

Ozone (du)

354
352
350
351
353
353
354
356
354
354
355
354
355
355
355
355
355
355
356
357
357
356
357
361

Wednesday 3

Waning Gibbous 88%

00:02

07:49

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: 04:47, Set: 21:00, Transit: 12:54. Moon - Rise: 00:02, Set: 07:49. Civil Dark: 21:44 - 04:03. Nautical Dark: 22:48 - 02:59. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

99
99
100
100
100
100
100
85
86
90
95
99
100
94
85
79
86
72
61
85
88
90
100
100

Low Clouds (% Sky Obscured)

41
30
27
32
31
35
36
40
51
61
65
79
72
71
53
33
37
24
40
43
45
43
10
12

Medium Clouds (% Sky Obscured)

69
53
58
56
67
73
73
71
71
74
53
81
58
0
1
11
13
5
3
1
4
6
9
10

High Clouds (% Sky Obscured)

92
97
100
100
100
100
89
24
25
30
15
25
21
26
46
75
75
72
17
63
73
80
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
4
1
3
4
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
50
51
64
100
100
81
82
82
82
82
82
82
82
82
82
82
82
82

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

Chance of Frost

Temperature (°C)

13
12
11
11
10
10
10
10
10
9
10
11
13
14
16
17
18
19
20
21
21
21
21
20

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

92
95
95
95
96
96
96
98
98
98
98
96
95
89
78
65
61
58
57
56
56
57
58
68

Pressure (mb)

1011
1011
1011
1012
1012
1012
1012
1012
1012
1011
1012
1012
1012
1011
1011
1010
1010
1010
1009
1009
1009
1009
1009
1008

Ozone (du)

361
362
364
365
369
372
377
390
406
390
375
370
365
356
351
349
349
350
353
357
358
357
357
356

Thursday 4

Waning Gibbous 81%

00:26

09:01

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: 04:46, Set: 21:01, Transit: 12:54. Moon - Rise: 00:26, Set: 09:01. Civil Dark: 21:45 - 04:02. Nautical Dark: 22:49 - 02:57. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
80
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
96

Low Clouds (% Sky Obscured)

13
16
20
14
7
0
4
8
12
13
14
13
24
35
70
78
86
94
93
92
81
88
86
71

Medium Clouds (% Sky Obscured)

13
19
20
25
28
77
17
15
76
53
93
100
100
99
100
100
100
100
100
100
100
100
99
96

High Clouds (% Sky Obscured)

100
100
100
100
100
100
80
100
100
100
100
98
100
100
100
100
100
100
100
100
100
70
32
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
2
3
4
9
9
9
9

Fog (%)

82
82
82
82
82
82
82
82
82
82
82
82
82
82
82
82
82
82
82
82
82
82
82
82

Precipitation Type

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

Precipitation Probability (%)

0
0
0
0
0
0
1
0
0
1
27
15
25
37
65
95
95
95
95
95
95
95
81
52

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.8
2.7
5.6
2.5
2
1.8
1
0.4
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

75
76
77
80
80
82
86
87
86
81
78
79
72
69
68
78
85
93
96
96
93
87
90
93

Pressure (mb)

1008
1009
1009
1009
1009
1009
1009
1008
1008
1008
1008
1009
1009
1009
1009
1009
1010
1010
1011
1012
1013
1013
1013
1014

Ozone (du)

354
352
350
348
347
344
345
345
347
347
348
353
352
352
352
357
354
352
356
358
363
365
367
370

Friday 5

Waning Gibbous 72%

00:45

10:15

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

Sun - Rise: 04:46, Set: 21:02, Transit: 12:54. Moon - Rise: 00:45, Set: 10:15. Civil Dark: 21:46 - 04:01. Nautical Dark: 22:51 - 02:56. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

99
91
52
43
30
19
27
34
49
74
45
44
32
55
79
84
89
96
96
97
99
93
88
83

Low Clouds (% Sky Obscured)

68
50
40
30
19
7
25
34
49
65
45
44
11
25
43
30
17
4
2
1
0
0
0
0

Medium Clouds (% Sky Obscured)

95
88
52
43
30
14
9
5
0
0
0
0
0
0
0
11
18
17
35
53
70
65
55
49

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
1
15
2
3
2
3
5
21
62
81
90
91
94
84
78
83

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 (%)

82
82
82
82
82
82
82
82
82
82
82
82
82
82
82
82
82
82
82
82
82
82
82
82

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 (%)

41
22
4
2
1
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
1
0
1
1
1
1
1
1
2
1
1
1
2
3
4
4
5
5
5
5
5
4
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
95
95
95
95
93
95
91
93
93
91
88
81
73
64
56
52
50
47
48
49
49
54
60

Pressure (mb)

1014
1015
1015
1016
1016
1017
1017
1017
1018
1018
1018
1018
1018
1019
1019
1018
1018
1018
1018
1017
1017
1017
1017
1017

Ozone (du)

377
384
390
385
381
376
371
370
369
367
363
361
358
355
353
350
350
351
351
349
347
345
344
342

Saturday 6

Waning Gibbous 63%

01:01

11:29

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: 04:45, Set: 21:03, Transit: 12:55. Moon - Rise: 01:01, Set: 11:29. Civil Dark: 21:47 - 04:01. Nautical Dark: 22:52 - 02:55. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

80
77
74
83
90
97
98
99
100
100
100
100
95
91
86
87
89
91
84
75
67
62
57
53

Low Clouds (% Sky Obscured)

0
0
0
0
1
1
10
18
24
39
55
72
73
75
76
71
66
60
57
53
49
46
42
39

Medium Clouds (% Sky Obscured)

56
77
74
83
90
95
97
98
100
100
100
100
92
84
76
60
43
29
19
10
0
4
7
11

High Clouds (% Sky Obscured)

80
77
74
83
90
97
97
98
95
68
41
13
9
6
0
2
3
5
4
3
2
4
6
8

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
9
9
9
9
9

Fog (%)

82
82
82
82
82
82
82
82
82
82
82
82
82
82
82
82
82
82
82
82
82
82
82
82

Precipitation Type

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

Precipitation Probability (%)

0
0
0
0
1
3
25
40
52
45
36
14
24
27
14
32
36
37
34
31
23
18
17
14

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

2
2
3
3
3
2
2
1
1
3
3
3
3
5
7
10
10
11
11
10
10
9
7
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

67
69
74
76
79
79
79
79
79
77
79
78
79
75
74
71
69
66
64
64
64
66
69
71

Pressure (mb)

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

Ozone (du)

341
343
344
346
347
348
350
346
343
339
348
357
365
364
363
362
363
363
363
363
362
362
361
360

Sunday 7

Waning Gibbous 52%

01:14

12:44

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

Sun - Rise: 04:45, Set: 21:04, Transit: 12:55. Moon - Rise: 01:14, Set: 12:44. Civil Dark: 21:48 - 04:00. Nautical Dark: 22:54 - 02:54. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

62
72
86
88
91
95
91
85
80
65
52
43
51
59
65
76
87
97

Low Clouds (% Sky Obscured)

29
20
11
8
5
2
1
1
0
0
0
0
2
4
6
16
27
43

Medium Clouds (% Sky Obscured)

29
44
57
47
41
30
27
24
24
22
18
16
21
27
32
31
29
32

High Clouds (% Sky Obscured)

38
68
86
88
91
95
91
85
80
65
34
4
4
4
0
33
67
97

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

82
82
82
82
82
82
82
82
82
82
82
82
82
82
82
82
82
82

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

11
7
0
1
0
0
0
0
0
0
0
0
0
0
0
6
7
3

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

18
16
16
16
15
14
13
10
10
10
10
10
9
15
16
16
17
18

Dew Point (°C)

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

Relative Humidity (%)

74
79
82
86
86
84
83
84
87
88
83
76
71
65
59
53
53
54

Pressure (mb)

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

Ozone (du)

359
359
359
359
361
363
365
364
363
363
361
359
357
356
355
353
352
352

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

Generated: 01/06/26 20:54:22. Forecast: 01/06/26 to 07/06/26. Timezone: UTC+2.00