Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 9

Waning Crescent 42%

01:27

14:01

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
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 04:44, Set: 21:05, Transit: 12:55. Moon - Rise: 01:27, Set: 14:01. Civil Dark: 21:50 - 04:00. Nautical Dark: 22:56 - 02:54. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

82
86
89
83
89
91
99
100
100
91
100
100
100
100
100
100
100
100
100
100
99
100
100
100

Low Clouds (% Sky Obscured)

0
0
1
6
1
6
5
1
8
13
58
56
50
50
57
63
67
20
25
20
24
53
41
49

Medium Clouds (% Sky Obscured)

82
74
81
80
77
81
62
85
76
71
100
99
81
91
100
100
100
94
100
80
74
91
100
100

High Clouds (% Sky Obscured)

82
86
77
7
81
83
99
100
100
73
97
91
100
100
96
100
100
100
100
100
96
100
100
97

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

6
14
21
7
3
0
0
0
1
17
26
71
64
53
79
95
95
41
42
25
24
14
27
48

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.4
0.3
0
0.4
0.9
1
0
0
0
0
0
0
0.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

74
82
84
84
86
87
90
89
83
82
81
81
78
77
68
77
87
92
90
92
93
93
95
95

Pressure (mb)

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

Ozone (du)

345
345
345
347
348
351
352
353
354
354
353
353
350
349
348
349
353
352
355
355
356
355
355
355

Wednesday 10

Waning Crescent 31%

01:40

15:21

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
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 04:44, Set: 21:06, Transit: 12:55. Moon - Rise: 01:40, Set: 15:21. Civil Dark: 21:51 - 03:59. Nautical Dark: 22:58 - 02:53. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

41
57
42
42
57
33
43
55
41
60
62
65
71
77
78
77
72
76
73
86
100
98
100
81

Medium Clouds (% Sky Obscured)

99
100
91
100
100
100
100
95
99
100
100
100
100
100
100
100
99
92
99
100
100
100
100
100

High Clouds (% Sky Obscured)

100
100
100
100
100
92
100
100
100
100
100
100
100
100
100
100
98
40
86
100
100
100
100
100

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

29
36
17
31
47
34
54
57
53
52
85
95
95
95
95
61
47
31
26
73
95
95
84
84

Precipitation Amount (mm)

0
0.2
0
0
0.2
0
0.2
0.3
0.2
0.2
0.6
1.2
1.3
1.1
1
0.3
0
0
0
0.4
0.8
0.7
0.4
0.4

Wind Speed/Direction (mph)

2
2
2
2
3
2
2
3
2
2
2
2
2
2
3
3
2
2
2
1
2
2
2
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

11
11
11
11
11
10
11
11
11
11
10
10
11
11
11
12
11
11
11
11
11
10
10
10

Relative Humidity (%)

95
96
95
96
95
93
95
95
93
89
82
82
84
90
93
95
93
93
95
93
96
96
98
98

Pressure (mb)

1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1017
1017
1017
1017
1018
1018
1018
1018

Ozone (du)

354
353
354
354
353
353
353
354
354
352
353
355
353
352
353
355
357
356
356
356
356
357
361
366

Thursday 11

Waning Crescent 21%

01:55

16:47

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
20 Bad
21 Bad
22 Bad
23 OK

Sun - Rise: 04:44, Set: 21:07, Transit: 12:55. Moon - Rise: 01:55, Set: 16:47. Civil Dark: 21:52 - 03:59. Nautical Dark: 22:59 - 02:52. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
100
100
99
100
96
97
87
90
97
100
96
85
97
96
74
69
71
55
54
94
96
56
43

Low Clouds (% Sky Obscured)

92
94
100
99
100
91
91
85
64
78
82
64
68
82
55
55
56
64
30
22
20
21
21
24

Medium Clouds (% Sky Obscured)

100
86
90
95
95
95
95
87
80
68
80
66
52
65
85
74
69
54
54
51
67
79
28
18

High Clouds (% Sky Obscured)

100
75
75
71
52
22
45
0
0
80
75
70
75
75
69
24
20
27
27
32
83
70
10
3

ISS Passover

Visibility (miles)

6
0
0
7
7
3
5
9
9
9
9
9
8
8
4
3
9
7
7
7
9
4
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

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

Precipitation Probability (%)

78
84
95
95
95
94
95
94
64
53
53
56
61
73
88
76
73
83
74
62
54
39
14
0

Precipitation Amount (mm)

0.3
0.4
0.5
0.8
0.6
0.6
0.8
0.7
0.2
0
0
0
0
0.4
0.6
0.3
0
0.3
0.2
0
0.4
0.2
0
0

Wind Speed/Direction (mph)

3
3
4
4
5
4
4
4
6
6
8
9
10
10
10
10
9
10
10
8
5
4
3
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
100
98
96
98
98
100
95
88
83
70
61
60
60
66
74
74
73
75
77
81
93
93
95

Pressure (mb)

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

Ozone (du)

374
386
389
390
390
392
393
389
385
383
383
384
384
386
389
392
397
400
406
404
402
402
402
403

Friday 12

Waning Crescent 12%

02:14

18:17

00 OK
01 OK
02 OK
03 OK
04 Bad
05 OK
06 OK
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

Sun - Rise: 04:44, Set: 21:08, Transit: 12:56. Moon - Rise: 02:14, Set: 18:17. Civil Dark: 21:53 - 03:58. Nautical Dark: 23:00 - 02:51. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

37
33
31
29
45
29
27
45
52
63
73
75
86
93
94
96
97
92
88
83
83
81
83
85

Low Clouds (% Sky Obscured)

28
33
31
29
44
29
24
21
33
41
40
38
45
57
71
62
41
51
43
36
32
33
30
35

Medium Clouds (% Sky Obscured)

9
1
0
0
0
0
0
0
6
63
73
42
21
75
82
78
71
73
71
59
60
64
67
71

High Clouds (% Sky Obscured)

1
1
0
0
0
0
1
24
30
40
50
33
40
45
45
40
35
25
20
13
10
10
5
0

ISS Passover

Visibility (miles)

9
9
9
9
7
7
7
6
6
9
9
9
9
9
9
9
9
8
9
9
9
3
0
0

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
2
18
19
11
25
31
27
31
23
17
17
8
33
45
27

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

Chance of Frost

Temperature (°C)

7
7
6
6
5
5
6
8
10
11
13
15
16
17
17
16
16
16
14
14
13
12
11
10

Feels Like (°C)

7
7
6
6
6
5
7
8
9
10
11
12
12
13
13
12
13
12
11
11
11
10
9
9

Dew Point (°C)

6
6
5
5
5
4
6
8
9
9
9
8
7
7
8
11
11
12
12
12
12
11
11
10

Relative Humidity (%)

94
94
94
94
96
96
98
95
93
87
77
64
55
52
53
69
72
77
86
87
90
96
98
98

Pressure (mb)

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

Ozone (du)

405
406
403
399
396
394
393
393
391
388
386
382
379
376
372
371
368
368
369
368
366
367
370
371

Saturday 13

Waning Crescent 5%

02:41

19:48

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
20 OK
21 OK
22 OK
23 OK

Sun - Rise: 04:43, Set: 21:08, Transit: 12:56. Moon - Rise: 02:41, Set: 19:48. Civil Dark: 21:53 - 03:58. Nautical Dark: 23:01 - 02:51. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

90
94
91
88
86
86
87
86
84
82
71
77
77
75
81
87
94
80
64
48
42
36
33
44

Low Clouds (% Sky Obscured)

45
55
60
68
72
69
68
64
60
55
38
41
39
41
41
40
37
26
16
14
12
8
4
17

Medium Clouds (% Sky Obscured)

72
76
70
60
54
50
34
19
18
19
21
20
20
20
27
34
41
27
23
20
15
15
16
20

High Clouds (% Sky Obscured)

0
0
1
2
4
3
4
4
9
5
11
27
31
30
34
33
28
19
11
8
5
3
0
0

ISS Passover

Visibility (miles)

0
0
0
0
0
0
0
4
9
9
9
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
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

16
11
7
6
8
8
8
13
29
36
38
45
38
27
23
20
16
16
15
12
9
5
0
3

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

100
98
98
100
100
98
98
95
92
89
79
67
65
61
59
60
61
63
66
69
73
76
80
82

Pressure (mb)

1023
1023
1023
1023
1023
1023
1023
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1025
1025

Ozone (du)

374
375
374
372
369
366
364
364
362
359
356
355
353
352
352
351
351
351
350
350
350
349
348
347

Sunday 14

Waning Crescent 1%

03:19

21:11

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

Sun - Rise: 04:43, Set: 21:09, Transit: 12:56. Moon - Rise: 03:19, Set: 21:11. Civil Dark: 21:54 - 03:58. Nautical Dark: 23:01 - 02:51. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

54
65
59
52
45
46
47
48
47
46
45
45
48
46
66
78
96
87
79
70
71
71
70
74

Low Clouds (% Sky Obscured)

29
42
41
40
41
45
47
48
47
46
45
45
48
46
59
66
75
65
55
46
50
55
59
64

Medium Clouds (% Sky Obscured)

25
31
23
12
0
0
0
0
0
0
0
21
45
46
55
61
58
54
46
37
26
12
0
6

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
4
7
11
10
9
7
6
3
0
0
0
0
2
10
19
19

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 (%)

4
3
7
8
4
8
7
4
7
7
1
1
0
0
0
0
0
3
3
2
2
2
1
5

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
3
3
3
3
3
4
5
6
8
9
9
10
10
10
10
10
8
6
4
4
4
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

12
11
11
9
9
9
9
9
9
15
15
15
15
16
16
18
17
17
16
16
16
13
13
13

Dew Point (°C)

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

Relative Humidity (%)

85
87
90
90
90
91
84
76
70
58
48
40
41
43
44
47
52
55
61
67
74
75
75
75

Pressure (mb)

1025
1025
1024
1024
1024
1024
1024
1024
1024
1024
1023
1023
1023
1022
1022
1022
1021
1021
1021
1021
1021
1021
1021
1021

Ozone (du)

347
346
345
345
345
345
344
343
342
343
344
345
346
346
347
347
348
348
348
348
347
348
349
349

Monday 15

New Moon 0%

04:15

22:18

Sun - Rise: 04:43, Set: 21:09, Transit: 12:56. Moon - Rise: 04:15, Set: 22:18. Civil Dark: 21:54 - 03:58. Nautical Dark: 23:02 - 02:50. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

Low Clouds (% Sky Obscured)

Medium Clouds (% Sky Obscured)

High Clouds (% Sky Obscured)

ISS Passover

Visibility (miles)

Fog (%)

Precipitation Type

Precipitation Probability (%)

Precipitation Amount (mm)

Wind Speed/Direction (mph)

Chance of Frost

Temperature (°C)

Feels Like (°C)

Dew Point (°C)

Relative Humidity (%)

Pressure (mb)

Ozone (du)

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

Generated: 09/06/26 00:11:38. Forecast: 09/06/26 to 15/06/26. Timezone: UTC+2.00