Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 4

Waning Gibbous 77%

23:21

10:33

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: 04:52, 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)

91
95
93
99
100
98
98
97
97
96
97
96
98
98
100
95
78
81
69
92
89
100
86
100

Low Clouds (% Sky Obscured)

44
60
76
84
85
88
77
74
83
85
79
84
96
81
100
88
78
64
38
26
33
54
17
15

Medium Clouds (% Sky Obscured)

91
92
93
82
100
91
88
76
70
74
89
79
78
69
56
59
61
48
31
49
25
29
5
2

High Clouds (% Sky Obscured)

0
3
6
36
37
18
23
35
35
26
19
4
3
2
0
1
3
5
22
55
69
100
75
100

ISS Passover

Visibility (miles)

9
9
9
9
2
4
8
9
9
7
7
7
9
9
9
6
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
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

17
16
44
76
90
70
28
15
31
20
29
33
30
21
29
33
45
38
21
22
9
3
0
0

Precipitation Amount (mm)

0
0
0
0.4
0.5
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

10
8
6
4
3
3
4
4
3
3
3
5
6
8
9
10
12
11
12
12
12
11
10
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

70
74
78
87
95
96
98
98
98
98
98
95
89
86
79
87
89
82
66
58
53
54
59
61

Pressure (mb)

1021
1021
1021
1021
1020
1020
1020
1019
1019
1018
1018
1018
1017
1017
1017
1017
1017
1017
1016
1016
1016
1015
1015
1015

Ozone (du)

352
353
354
354
353
353
355
358
360
360
360
360
360
362
361
357
358
359
359
361
362
363
361
360

Sunday 5

Waning Gibbous 68%

23:34

11:48

20 Bad
21 Bad
22 Bad
23 Bad
00 OK
01 Bad
02 OK
03 OK
04 OK
05 OK
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: 04:52, 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)

98
96
88
60
43
39
28
21
21
24
43
68
58
84
94
98
97
100
100
92
100
100
100
100

Low Clouds (% Sky Obscured)

21
25
26
19
21
9
5
13
6
24
33
29
51
66
52
74
72
89
88
64
45
42
57
59

Medium Clouds (% Sky Obscured)

0
10
0
1
41
39
28
4
2
18
37
27
6
20
59
85
88
86
92
70
100
100
94
86

High Clouds (% Sky Obscured)

97
89
80
45
37
24
2
5
21
2
34
46
25
17
47
32
58
94
100
80
100
100
80
27

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
8
8
8
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
Very Light Rain

Precipitation Probability (%)

1
0
0
0
0
1
1
5
5
3
2
10
13
6
3
8
3
3
2
1
17
30
43
72

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
0.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

72
78
79
84
87
89
92
92
95
96
93
90
84
78
69
62
56
57
69
77
71
72
77
81

Pressure (mb)

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

Ozone (du)

359
359
358
358
360
361
362
361
362
361
360
359
358
356
351
350
350
351
349
350
352
353
354
355

Monday 6

Waning Gibbous 57%

23:46

13:04

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: 04:53, 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)

100
100
100
99
100
100
100
100
100
100
100
100
100
100
100
100
100
98
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

67
73
77
79
77
74
86
93
98
96
78
74
67
70
59
74
73
56
47
57
48
37
11
3

Medium Clouds (% Sky Obscured)

91
98
94
70
38
39
41
50
89
97
98
92
100
80
84
86
70
59
67
73
78
85
35
96

High Clouds (% Sky Obscured)

37
60
67
50
100
100
95
100
100
100
79
100
100
100
100
100
100
76
100
100
74
100
100
100

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

95
69
17
10
31
28
24
28
32
40
52
42
14
13
10
10
4
20
56
71
68
7
2
0

Precipitation Amount (mm)

0.8
0.4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.4
0.5
0
0
0

Wind Speed/Direction (mph)

8
7
6
6
5
5
5
5
5
6
6
8
10
11
11
11
12
12
13
12
12
11
8
6

Chance of Frost

Temperature (°C)

16
16
15
15
15
15
15
15
15
15
15
15
16
16
17
18
18
19
21
21
21
21
21
21

Feels Like (°C)

14
14
14
14
14
14
14
14
14
14
14
14
14
14
15
15
16
17
19
20
19
20
21
21

Dew Point (°C)

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

Relative Humidity (%)

85
87
92
96
95
96
98
95
93
93
93
96
95
89
81
74
80
81
60
77
85
89
88
81

Pressure (mb)

1015
1015
1015
1015
1015
1015
1015
1015
1015
1014
1015
1015
1015
1015
1015
1015
1015
1015
1014
1014
1014
1013
1013
1012

Ozone (du)

355
355
353
351
350
349
348
349
350
349
348
347
346
345
344
345
349
348
349
351
351
350
348
343

Tuesday 7

Third Quarter 46%

00:00

14:25

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: 04:54, 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)

100
100
100
100
100
100
99
97
96
94
92
91
93
94
96
96
96
94
77
94
96
96
95
93

Low Clouds (% Sky Obscured)

26
20
15
24
41
20
33
44
74
87
81
73
77
72
87
80
69
64
55
78
81
88
74
60

Medium Clouds (% Sky Obscured)

97
98
75
67
96
100
92
82
76
72
69
65
68
71
71
78
85
76
61
63
68
74
77
79

High Clouds (% Sky Obscured)

100
100
100
100
100
100
84
67
47
50
56
63
48
32
30
21
5
10
5
13
20
7
10
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
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 (%)

1
1
0
8
8
4
7
6
18
11
11
8
10
21
11
19
9
4
9
14
18
16
12
9

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

Chance of Frost

Temperature (°C)

20
19
18
18
17
17
17
16
16
16
17
17
17
18
19
19
19
19
20
20
19
19
18
18

Feels Like (°C)

21
19
18
18
18
17
17
16
15
15
15
15
15
15
16
16
16
16
16
17
16
17
17
16

Dew Point (°C)

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

Relative Humidity (%)

88
92
95
95
96
95
93
93
92
90
85
85
85
78
63
64
75
69
65
59
66
75
75
71

Pressure (mb)

1012
1013
1013
1013
1013
1012
1012
1012
1012
1012
1012
1013
1013
1013
1013
1013
1013
1014
1014
1014
1014
1014
1014
1015

Ozone (du)

341
338
334
331
331
329
329
329
328
327
327
328
328
328
326
326
327
329
330
331
333
334
335
337

Wednesday 8

Waning Crescent 34%

00:17

15:50

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

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)

98
74
91
78
66
48
20
28
38
37
40
41
54
45
32
33
33
38
41
40
39
34
32
28

Low Clouds (% Sky Obscured)

54
49
43
40
33
26
20
28
38
37
40
41
54
45
32
33
33
31
27
27
24
18
12
7

Medium Clouds (% Sky Obscured)

79
74
80
47
22
0
0
0
1
1
2
2
54
37
9
19
29
38
40
34
31
29
29
26

High Clouds (% Sky Obscured)

18
2
31
32
39
35
5
7
6
3
3
3
2
2
1
0
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
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 (%)

17
15
11
12
7
0
3
1
0
1
1
0
3
2
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)

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

Chance of Frost

Temperature (°C)

17
16
15
14
13
12
11
11
10
10
11
13
15
16
17
19
20
21
22
22
22
22
21
20

Feels Like (°C)

17
15
16
13
12
11
11
11
10
10
12
13
15
16
16
16
18
18
19
22
21
20
21
21

Dew Point (°C)

13
13
13
13
11
10
9
8
8
8
8
8
7
6
5
4
6
6
8
8
8
8
9
10

Relative Humidity (%)

76
86
90
92
89
86
86
85
85
87
81
71
60
52
45
38
39
39
40
41
41
42
47
54

Pressure (mb)

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

Ozone (du)

337
337
337
337
337
335
334
334
334
334
334
332
332
331
331
331
331
332
332
333
334
335
335
335

Thursday 9

Waning Crescent 24%

00:39

17:19

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

Sun - Rise: 04:56, Set: 21:07, Transit: 13:01. Moon - Rise: 00:39, Set: 17:19. Civil Dark: 21:50 - 04:13. Nautical Dark: 22:54 - 03:10. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

20
10
0
10
20
30
32
26
26
22
22
24
28
30
33
27
23
19
16
14
10
8
7
8

Low Clouds (% Sky Obscured)

5
3
0
6
12
19
19
20
24
19
11
0
2
3
4
6
8
8
5
6
6
4
3
4

Medium Clouds (% Sky Obscured)

18
9
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
1
1
6
10
20
23
27
30
24
17
11
9
7
4
4
4
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 (%)

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

Chance of Frost

Temperature (°C)

19
17
15
13
13
12
11
11
10
10
12
14
17
18
20
21
22
23
23
23
23
23
22
21

Feels Like (°C)

21
17
17
17
16
16
15
10
10
10
10
10
10
17
17
18
19
19
20
24
24
22
23
23

Dew Point (°C)

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

Relative Humidity (%)

60
63
67
70
67
66
65
64
62
62
58
52
48
44
39
35
35
33
32
32
33
33
39
46

Pressure (mb)

1017
1018
1018
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1018
1018
1018
1018
1018

Ozone (du)

335
336
336
337
337
337
337
337
337
337
337
337
337
337
337
337
337
336
336
336
335
335
335
335

Friday 10

Waning Crescent 14%

01:10

18:45

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 Good
09 Good
10 OK
11 OK
12 OK
13 OK

Sun - Rise: 04:57, Set: 21:06, Transit: 13:01. Moon - Rise: 01:10, Set: 18:45. Civil Dark: 21:50 - 04:14. Nautical Dark: 22:52 - 03:12. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

7
7
7
5
3
0
3
7
12
9
4
0
8
16
23
23
21
19

Low Clouds (% Sky Obscured)

5
6
6
5
2
0
3
7
12
9
4
0
4
8
10
11
13
16

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
4
8
12
8
4
0

High Clouds (% Sky Obscured)

3
3
2
1
0
0
0
0
0
0
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

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)

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

Chance of Frost

Temperature (°C)

20
18
17
15
14
14
13
13
12
12
14
17
19
21
22
24
24
25

Feels Like (°C)

23
20
20
20
19
19
17
14
14
14
14
14
15
22
22
23
24
24

Dew Point (°C)

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

Relative Humidity (%)

54
55
58
59
60
62
62
63
64
65
60
58
54
50
46
43
43
42

Pressure (mb)

1018
1018
1019
1019
1019
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020

Ozone (du)

335
335
335
336
337
338
339
339
339
339
338
338
338
337
337
336
336
336

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

Generated: 04/07/26 20:05:39. Forecast: 04/07/26 to 10/07/26. Timezone: UTC+2.00